Category: PCB Boards (page 1 of 23)

Home Automation DIY Garage Lighting System



Check out how I automated my garage lights. DIY project includes 3-way switch, fluorescent lighting, circuit board design, and software. Detailed build article with plans:

Garage Light Controller

Makercise Multi-way Switching video:

Catus Workshop! video:

flash001USA video:


Source

Internet of Things PCB considerations for Startups

Seeing that IoT devices are so newer, you would think that getting an IoT printed circuit board (PCB) project off the ground starts by reinventing the wheel and suffering a good deal of technical difficulties. That is definitely untrue.
Nonetheless it doesn’t indicate that IoT startups have a evident route to fame and fortune. Facing them is quite a lot of design and manufacturing points which are special to these small products. These considerations should be considered for the fresh IoT product to reach your goals.

On the plus side, it’s necessary for IoT startups to find out that the foundation for a successful new product exists. This means that experience and knowhow regarding the design, fabrication and assembly of such leading-edge products are out there. Also, the best advice is for discreet IoT product business men and innovators to become aware of the recommendations that qualified electronics manufacturing services or EMS providers are offering. These corporations together with their engineering staffs have already performed the work with groundbreaking IoT firms in Silicon Valley stepping into the beginning of this surfacing segment.

The PCB of an IoT product is a special beast than the traditional one, which is notably larger and flat. IoT gadgets, conversely, are made up largely of either rigid-flex or flex circuit assemblies, which include their own sets of design layout, fabrication and assembly considerations and detailed aspects.

Layout

A primary factor is to try to find encountered designers who’ve undertaken quite a lot of rigid-flex PCB designs. PCB space for an IoT product is at a premium. So you want the designer to have firsthand layout knowledge to correctly design significant parts on that little room.

Moreover, virtually all IoT gadgets are not stationary; they get substantial movement and turning. Right here, the encountered designer plays a key role in calculating bend ratios and lifecycle iterations as a significant part of a design. Various other significant design layout considerations contain signal trace thickness, number of rigid and flex circuit layers, copper weight and stiffener placement. Stiffeners are utilized on flex circuits to make certain parts attached to the flex circuit keep on being firmly in place to prevent itself from movement.

A new aspect to consider is through-hole element positioning in rigid-flex circuits. Why is that important? Most of the IoT units are founded on surface mount device placement. But nevertheless , there may be through-hole parts, which are often affixed to either the rigid part or the flex part of the board. Through-hole parts are in most cases helpful to connect input/output or I/O signals to the exterior world. Doing this, those signals can be shown having an LCD or LED monitor. Through-hole element placement is a significant concern in an IoT item given that when utilized on the flex section of the board, suitable stiffeners need to be designed and employed for ideal assembly.

Finally in the layout category, the high temperature which parts generate is required to be considered. IoT gadgets are starting to be more elaborate with rigid-flex and flex circuits featuring as many as 12 – 14 layers. Some gadgets are digital. But nevertheless , more and more analog systems are being used in IoT systems. Analog circuitry creates far more heat than digital ones. That means heat expansion plus contraction rate must be taken into account. In tech lingo, this is actually called the Coefficient of Thermal Expansion or CTE and the proper management of it.

Manufacturing

Deciding on the right fabricator is crucial and is linked to the EMS corporation you’ve decided on. The fabricator you’d like must have IoT PCB fabrication practical experience. Among significant considerations here are insuring good adhesions in between layers on both rigid and flex circuit sides, figuring out all of the important calculations and having a robust knowledge of when current transfers from the rigid side to the flex side.

These fabricators must also get an in-depth comprehension of exceptionally compact parts including 0201 and also 00105 device packages, package-on-package, and the utilization of fine-pitch ball-grid array or BGA packaged devices.

Additionally, they need to have knowledge of designing boards with fairly tight tolerances in terms of footprint for those kinds of BGA devices, in terms of up-to-date capabilities like laser direct imaging for putting the solder mask on the board. They ought to have laser drills for via drilling with sizes of 5 mils or under mainly because these IoT devices could be so little that a standard drill size of 5 to 8 mils would possibly not be all you need. They may have to go to a 3 mil, which indicates that you will need to have an advanced laser drilling capability indoors.

In the event you are placing via-in-pad, it is a good way to make use of the small real estate that’s available on the rigid-flex board, nonetheless , it produces problems for assembly. If vias are not fully planar or flat in shape, it may be an obstacle through the assembly of those tiny BGA packaged devices. That’s because non-planar surfaces could endanger the integrity of solder joints.

Sometimes via in pads leave bumps in cases where they’re not scoured appropriately after putting the vias and gold finish on top. In case there are bumps, then the solder joints in the assembly for those tiny BGA balls in those IoT devices wouldn’t be an ideal joint. This might create sporadic connections, which might be a bigger issue to address and remedy. It all boils down to which EMS corporation you are using because they’re the ones who will select the fabrication facility to make a triumphant IoT item for you.

PCB Assembly

It’s crucial to take a look at encountered EMS companies that have successfully assembled IoT and wearable PCBs because they have specialized tooling and fixtures readily existing, which are vital for assembly to assure components are placed properly, accurately and the printing is accomplished correctly.

Printing is usually a difficult task for IoT systems. If it’s a rigid-flex board, then there will be a difference between thicknesses of the rigid and flex circuit portions, indicating a special fixture is required to maintain the complete rigid-flex board planar or absolutely flat to permit effective printing to be achieved.

Startups must be well prepared to discover the most suitable manufacturing partners and EMS enterprises. Doing this they can make sure that they have enough experience beforehand to get the multitude of design, fabrication and assembly details effectively performed since they are crucial to a prosperous and prompt IoT product launch.

Qualcomm CES 2016 booth tour: Snapdragon 820, 820A, 802.11ad, 802.11ac, Windows Continuum and more



Qualcomm Snapdragon 820 is shown in a real phone in LeTV Le Max Pro, with Qualcomm saying that they have 80+ design wins for the Snapdragon 820 custom 64bit processor, now to be mass manufactured on Samsung’s 14nm process technology. Qualcomm also shows their Snapdragon 820 Adreno 530 GPU demos showing off high-end graphics, virtual reality and new display technologies, also Qualcomm WSA8815 audio technology for better sound coming out of built-in speakers for the Smartphones and Tablets market. Scanning people in realtime using Project Tango type structured scanner, IR camera. Qualcomm shows IoT technologies, Qualcomm Vive 802.11ac WiFi with multi-user mimo. Microsoft Windows 10 running on ultra-cheap Qualcomm 210, 410, and Windows continuum extending the Windows 10 desktop from the phone through to the external display using USB Type-C. Qualcomm Atheros Multi-Gigabit 60Ghz Wi-Fi 802.11ad included with the Snapdragon 820 LeTV Le Max Pro Smartphone! Matterport 360 degre camera supported by Qualcomm Ventures and other startups demonstrated. Qualcomm launches Qualcomm 820A for the automitive market and the modular system to upgrade the ARM Processor and PCB of the car to make it future proof.

Source

IoT PCB considerations for Startups

Since IoT products are so cutting edge, you would think that getting an IoT printed circuit board (PCB) project off the ground starts by reinventing the wheel and experiencing a lots of technical problem. That may be untrue.
Nevertheless it doesn’t convey IoT startups have a very clear way to fame and fortune. Facing them is a variety of design and manufacturing issues to consider which are completely unique to these small products. These factors to consider must be looked at for the new IoT device to hit your objectives.

On the plus side, it’s necessary for IoT startups to know that the basic foundation for a successful cool product exists. This means that experience and knowledge regarding the design, fabrication and assembly of these types of state-of-the-art products are accessible. Additionally, the most sage advice is for wise IoT product entrepreneurs and innovators to heed the counsel that veteran electronics manufacturing services or EMS providers have to give. These businesses along with their engineering employees have already practiced the job with groundbreaking IoT businesses in Silicon Valley getting into the very first of this coming market.

The PCB of an IoT device is a unique beast than the traditional one, which is much larger and flat. IoT devices, on the flip side, are made up largely of either rigid-flex or flex circuit assemblies, which come with their very own groups of design layout, fabrication and assembly factors to consider and nuances.

Layout

A top thing to consider is to hunt down qualified designers who’ve performed quite a lot of rigid-flex PCB designs. PCB space for an IoT device is limited. So you want the designer to have directly layout practical experience to correctly design critical elements on that modest space.

Simultaneously, virtually all IoT products are not fixed; they receive sizeable movement and rotating. Here, the qualified designer plays an essential role in working out bend ratios and lifecycle iterations as a vital part of a design. Additional critical design layout factors to consider consist of signal trace thickness, number of rigid and flex circuit layers, copper weight and stiffener placement. Stiffeners are used on flex circuits in order to guarantee elements connected to the flex circuit remain closely constantly in place to avoid movement.

One more thing to consider is through-hole component positioning in rigid-flex circuits. What makes that critical? A great deal of IoT units are founded upon surface mount device(SMD) placement. Nevertheless , there may be through-hole elements, which are usually attached to either the rigid portion or the flex part of the board. Through-hole elements are usually used to communicate input/output or I/O signals to the exterior world. Like that, those signals can be displayed by using an LCD or LED monitor. Through-hole component placement is a pretty important account in an IoT system considering that when used on the flex part of the board, appropriate stiffeners need to be designed and put to use for good assembly.

Last of all in the layout category, the high temperature that elements generate is required to be considered. IoT products are increasingly intricate with rigid-flex and flex circuits featuring in excess of 12 – 14 layers. A few products are digital. Nevertheless , ever more analog systems are being utilized in IoT systems. Analog circuitry causes even more heat than digital ones. As a consequence heat expansion and also contraction rate should be evaluated. In tech lingo, that is called the Coefficient of Thermal Expansion or CTE and the correct handling of it.

Fabrication

Selecting the best fabricator is very important and is linked to the EMS partner you’ve picked out. The fabricator you want should have IoT PCB fabrication practical experience. Among critical factors to consider here are making certain tough adhesions in between layers on both rigid and flex circuit sides, bearing in mind all of the crucial calculations and possessing a good know-how about when current transfers from the rigid side to the flex side.

Such fabricators also need to possess an in-depth comprehension of remarkably small parts for example 0201 as well as 00105 device packages, package-on-package, and the use of fine-pitch ball-grid array or BGA packaged devices.

They also need to have experience in designing boards with pretty tight tolerances in terms of footprint for those kinds of BGA devices, in terms of up-to-date capabilities like laser direct imaging for putting the solder mask on the board. They should have laser drills for via drilling with sizes of 5 mils or under mainly because these IoT devices could be so compact that a typical drill size of 5 to 8 mils probably won’t suffice. They could need to go to a 3 mil, which means that you should have an leading-edge laser drilling capability indoors.

In the event you are placing via-in-pad, it is a fantastic way to take advantage of the small real estate that is available on the rigid-flex board, but it produces difficulties for assembly. If vias aren’t entirely planar or flat in shape, it becomes a difficulty all through the assembly of those tiny BGA packaged devices. That is because non-planar surfaces may put at risk the integrity of solder joints.

Sometimes via in pads leave bumps if they’re not cleaned appropriately after adding the vias and gold finish on the top. In the event that there are bumps, then the solder joints in the assembly for those tiny BGA balls in those IoT devices wouldn’t be an excellent joint. It may create intermittent connections, which might be a larger issue to treat and mend. It all boils down to which EMS partner you are using because they’re the ones who will choose the fabrication plant to make a thriving IoT product for you.

PCB Assembly

It’s very important to pay a visit to qualified EMS companies that have efficiently assembled IoT and wearable PCBs because they have unique tooling and fixtures readily obtainable, which are essential for assembly to guarantee components are placed appropriately, accurately and the printing is carried out effectively.

Printing may be a issue for IoT systems. If it’s a rigid-flex board, then there exists a change between thicknesses of the rigid and flex circuit portions, which implies a special fixture is needed to maintain the complete rigid-flex board planar or totally flat to permit effective printing to become reached.

Startups need to be ready to decide on the correct manufacturing partners and EMS corporations. In this way they can ensure that they’ve ample experience in advance to get the multitude of design, fabrication and assembly details correctly performed because they are crucial to a prosperous and prompt IoT product roll-out.

Sample Circuit Board Manufacturing Facility Based in China



We design and manufacture auto insertion machines and SMT equipment, and provide spare parts support .
We provide total solutions for LED lighting and SMT PCB assembly.
We offer worldwide Installation and on site support and factory (machine and lighting assembly) training.

1. Visit our site! : www.smthelp.com
2. Connect with us: https://www.facebook.com/autoinsertion
3. Get to know our team: https://cn.linkedin.com/in/smtsupplier
4. Google:Auto+Insertion
5. Questions? Let’s get in touch. email us at: jasonwu@smthelp.com We design and manufacture SMT equipment in Shenzhen China;

1, LED SMT solutions : one full line (1.2m printer + 20k CPH LED mounter + 6 zone oven) price lower at usd 50K.
http://www.smthelp.com/product/led-smt-machine/

2, Odd form insertion machine:
http://www.smthelp.com/product/s-7000i-odd-form-inserter/

3, Pneumatic stencil cleaner: —No need electronic power, no fire and detonate caused; Simple operation, only Start, Stop and Reset, that is all;, Protecting Environmental, water recycle ;Lower consumption .
http://www.smthelp.com/product/stencil-cleaner-machine/

4, Spare parts support.
See why we are proud to be Southern Machinery .
http://www.smthelp.com/product/pcb-design-guideline/
1, LED Mounter
https://www.youtube.com/channel/UC4Z_P3S6qAYLHnlE-DU2OSA
2, Through hole technilogy
https://www.youtube.com/channel/UC6Pj74wjjEjtp-jneRoSL9Q
3,SMT Machine For PCB Assembly
https://www.youtube.com/channel/UCke0s_OM0eKflD8WmGSLm5A
4,Odd Form Insertion Machine/Feeder
https://www.youtube.com/channel/UCactVXP8IrU3l-vItOODRCA
5,AI SMT spare parts
https://www.youtube.com/channel/UCMuFHjsSuaIXnc3_3yNcwzw
6, Stencil Cleaner Machine Southern Machinery
https://www.youtube.com/channel/UCnMRyXlBFqJZHYuqaZVoK4Q
7,SMT pcb assembly LED
https://www.youtube.com/channel/UClX0iEG2bvJq8yUBEDamgDw

-~-~~-~~~-~~-~-
Please watch: “How to operate Auto Insertion Machine to Assembly PCB by Through hole technology”

Email: info@smthelp.com
-~-~~-~~~-~~-~-

Source

Sample Circuit Board Manufacturing Facility Based in China

12-pwb-pcb-factories-01

Leadsintec Co.,Ltd

Leadsintec Co.,Ltd is an electronic manufacturing service (EMS) supplier based in Shenzhen China since the year 2004. As being an ISO 9001 qualified electronics contract manufacturer, we provide you with a variety of circuit card, component sourcing, circuit card assemblage, box-build, testing services.

Due to the earlier 11+ years abundant expertise of manufacturing, Leadsintec has earned a great name in China and abroad. Our items are mainly used for the Electronics Market , Industrial, Automation, Auto, Agriculture, Defense, Aerospace, Healthcare and Security industries.

Our purpose is to support small , mid-sized customers in cutting down their expense by offering comprehensive services, high-mixed, low and medium volume services. Utilizing our seasoned system managers, procedure professionals, production team members and sourcing specialists, we are now competent to understand fully and get past your requirements.

Leadsintec’s making plants comprise of neat workshops and state-of-the-art high-speed SMT lines. Our chip placement precision can certainly realize +0.1MM on integrated circuit components. This means we’re able to cope with nearly all kinds of integrated circuits, like SO, SOP, SOJ, TSOP, TSSOP, QFP, BGA and U-BGA. What’s more, we’re able to supply 0201 chip placement, through-hole part insertion and ended product production, test and product packaging.

12-pwb-pcb-factories-01

STG

As per : http://china-pcbassembly.com/factory-view-n100-1.html

Turn-key PCB assemblage service vendor

(Backing up private label PCB )

STG is a top rated professional PCB and PCBA producer in China, which supplies OEM/ODM service for world-wide purchasers . With many years of expertise, STG is not simply a manufacturer, but even a skilled professional designer for emerging concepts, new creations according to buyers. Our range of products covers diverse segments, just like electronic products, telecoms, industrial items , auto assemblies, medical equipment and so forth.

Our prime services incorporate electronics and metal casing fabricating, for instance , printed circuit boards PCB Fab, component purchasing, PCB assemblage, plastic/metal house build, die-casting plus tailor-made Fab. With seasoned team members here at STG fully trained, their capabilities will be impressive.

In contact with STG

China Shenzhen Office

TEL: +86-0755-27929725
FAX: +86-0755-27929724
Email: sales@stgpcba.com

Location: Huolibao Building 5F , Technology Park, Nanshan, Shenzhen, 518100, China.
Web-site: www.china-pcbassembly.com

Hong Kong Office

Tel: 852-36458129
Telefax: 852-36458092
Email: marketing@stgpcba.com.
Location: 11/F FRONT BLK,HANG LOK BLDG 130 WING LOK ST,SHEUNG WAN, Hong Kong
Site: www.china-pcbassembly.com

12-pwb-pcb-factories-01

Asia Pacific Circuits – One-stop service for PCB Assy & PCB Fab

In line with : http://apc-pcbassembly.com/about-us-asia-pacific-circuits/

Asia Pacific Circuits Co., Ltd focuses on PCB manufacture and assemblage, incorporating prototype and production PCBs. Here at APC We provide excellent and cost-effective Electronic Contract Manufacturing Services – which include PCB manufacturing, components purchasing and complete PCB assemblage. With up to date production line and technology advances, we accommodate clientele in a wide variety of industries.

We are committed to your full satisfaction. Time to market represents how the company’s time-critical, One-stop manufacture services make it easy for clients to cut the timeframe necessary to develop new merchandise and deliver them to market.

Asia Pacific Circuits plants are ISO9001-2008 eligible, ISO 14001 (Environmental), UL Recognised, TS16949, TSTS13485 credentialed, IPC-A-600 and IPC-A-610 3 compliant. We own a PCB assemblage plant and a PCB manufacturing plant in China Shenzhen. Asia Pacific Circuits business range covers – PCB Prototype, low to medium and high volume PCB manufacture and PCB assemblage services.

Subsequent to APC employees 18 years of continual efforts to form a leading sales network, We built a overall management system, received the ISO9001: 2008 international quality management system certification. We own a highly trained sales, PCB Mfg and PCB assemblage under one place, strengthen the sales operation and manufacturing and testing hardware to assure only the best products are delivered to the shopper .

Get in contact with Us

Asia Pacific Circuits Co., Ltd
Office Tel: +86-755-2758-4025
Office Fax: +86-755-2758-4028
Email: sales@apc-pcbassembly.com
Office Location: No. 55A, Baoan Avenue, Bao’an District, Shenzhen City, 518102, China
Plant Location: Gaoqiao Industrial Park East, Yanlong Avenue, Longgang District, Shenzhen, China

12-pwb-pcb-factories-01

China MOKO Tech Limited

We Present a Wide Selection of PCB Board Alternatives to Match All of Your PCB Requirements.

Moko Tech Limited founded in the year 2001, based in Shenzhen, China. is an expert in printed circuit board manufacture and printed circuit board assembly, based in Shenzhen, Guangdong, China. We are dedicated to producing single-sided , double-sided and multi-layer board, to a maximum of 18 layers. Also, we are able to supply elements sourcing and turnkey printed circuit board assembly service.

With beyond a decade in the realm of printed circuit board prototype and mfg, we’re committed to suiting the requirements of our customers from varied industries with regards to quality level, shipping and delivery, cost-effectiveness and virtually any request(s). As among the most seasoned printed circuit board producers in China, we are confident to be your most excellent business partners .

In Shenzhen, we’re honored as the outstanding provider for a large amount of companies all across the globe. We deliver a variety of services including printed circuit board manufacture and printed circuit board assembly for from sample orders to batch orders.

For printed circuit board assy, taking advantage of 8 high-speed SMT assy lines brought in from Japan Yamaha and Sony, we make our best to suit our consumers’ requirements.

One-stop Service: In addition to PCB Board Fab

Our expanded expertise in electronic boards is not simply tied to printed circuit board manufacture but also includes all of relevant services such as printed circuit board design & layout and printed circuit board assembly. Our professional design pros can help you to realize economical perfection in your multi-layer design or we’re able to design your circuit from nothing: from a fundamental double-sided board to complex rigid-flex PCB applications. In 2012, our branch – Shenzhen Eastwin Trading Limited formed as a way to broaden offshore Market.

We possess our 25,000 square ft. modern manufacturing facility to supply the quality superiority you’re after…

We now have got the ISO9001:2000, ISO14001, UL plus ROHS certificates. At present our printed circuit board volume arrives at 1,000 sqm. per day, and as for printed circuit board assembly can reach 100,000,000 units per 30 days.

We deeply reckon that our excellent service and practical knowledge will totally reach your requires. Reliability and advancement are the energies that drive our great success. We are the most useful solution available for you.

To get more detailed services, more incentives, or no cost trial samples you have to

Contact Us

China MOKO Tech Limited
Telphone: 86-75523573370
Fax: 86-75523573370-808
Inbox: mike@szeastwin.com
Location : 4F,Buidling #2,Guanghui Science Park,Minqing Rd, Longhua Town, Shenzhen City, China
Zipcode: 518109

Source http://mokotechnology.com/about/

Electronic Product Design Competition 2016 – City University of Hong Kong



Students need to design a robot to pick an object and deliver it to the target. There is an obstacle to block one of the track, the robot need to find the only way to the goal by themselves.

The students utilized DesignSpark PCB to complete their PCB layout designs with component sponsorship by RS.

Source

Internet of Things PCB considerations for Startups

Because IoT devices are so new, you would assume that getting an IoT printed circuit board (PCB) project off the ground starts by reinventing the wheel and struggling with a substantial amount of technical headaches. That may be not the case.
Nevertheless it doesn’t convey IoT startups have a apparent method to fame. Facing them is various design and manufacturing issues which are distinctive to these small products. These factors must be thought about for the fresh new IoT product to achieve success.

On the plus side, it’s vital for IoT startups to know that the basic foundation for a successful awesome product does exist. This means that experience and knowhow concerning the design, fabrication and assembly of such superior products are readily available. Also, the most sage advice is for smart IoT product enterprisers and innovators to pay attention to the recommendation that seasoned electronics manufacturing services or EMS vendors provide. These corporations along with their engineering employees have previously practiced the work with revolutionary IoT corporations in Silicon Valley entering into the early stages of this emerging segment.

The PCB of an IoT device is a special beast than the traditional one, which is greatly larger and flat. IoT units, conversely, are comprised largely of either rigid-flex or flex circuit assemblies, which include their very own groups of design layout, fabrication and assembly factors and subtleties.

Layout

A principal consideration is to try to get experienced designers who’ve finished a number of rigid-flex PCB designs. PCB space for an IoT device is limited. So you’d like the designer to have direct layout knowledge to effectively design crucial components on that small space.

Additionally, the majority of IoT gadgets aren’t stationary; they sustain significant movement and twisting. Here, the experienced designer plays a vital role in computing bend ratios and lifecycle iterations as a serious part of a design. Other crucial design layout factors encompass signal trace thickness, number of rigid and flex circuit layers, copper weight and stiffener placement. Stiffeners are used on flex circuits to assure components mounted on the flex circuit continue being snugly in place to prevent movement.

The other factor is through-hole element placement in rigid-flex circuits. How come is that vital? A lot of IoT units are based on surface mount device(SMD) placement. But there may be through-hole components, which are normally designed into either the rigid portion or the flex part of the board. Through-hole components are in general used to communicate input/output or I/O signals to the outer world. That way, those signals can be displayed using an LCD or LED monitor. Through-hole element placement is a key thing to consider in an IoT device as when applied on the flex part of the board, appropriate stiffeners have to be designed and used for excellent assembly.

Finally in the layout category, the high temperature which components generate has to be looked at. IoT gadgets are ever more elaborate with rigid-flex and flex circuits featuring in excess of 12 – 14 layers. Several gadgets are digital. But progressively analog products are being used in IoT products. Analog circuitry makes a great deal more heat than digital ones. As a consequence heat expansion and contraction rate are required to be thought about. In tech lingo, this is actually referred to as the Coefficient of Thermal Expansion or CTE and the proper control over it.

Fabrication

Finding the right fabricator is important and is linked to the EMS partner you have picked. The fabricator you want needs to have IoT PCB fabrication experience. Among crucial factors here are making certain sturdy adhesions in between layers on both rigid and flex circuit sides, knowing all the essential calculations and getting an excellent knowledge of when current moves from the rigid side to the flex side.

These fabricators also must get an in-depth comprehension of exceptionally small components including 0201 and also 00105 device packages, package-on-package, and the utilization of fine-pitch ball-grid array or BGA packaged devices.

And also they should have experience of designing boards with pretty tight tolerances in terms of footprint for those kinds of BGA devices, in terms of up-to-date capabilities like laser direct imaging for putting the solder mask on the board. They ought to have laser drills for via drilling with sizes of 5 mils or under mainly because these IoT devices could be so modest that a typical drill size of 5 to 8 mils might not be all you need. They could need to go to a 3 mil, meaning that you must have an leading-edge laser drilling capability indoors.

In the event you’re placing via-in-pad, it’s really a good way to utilize the small land that is available on the rigid-flex board, however , it poses trouble for assembly. If vias aren’t completely planar or flat in shape, it becomes hard all through the assembly of those tiny BGA packaged devices. The reason is non-planar surfaces can threaten the integrity of solder joints.

Oftentimes via in pads leave bumps if they’re not cleaned properly after adding the vias and gold finish at the top. If there are bumps, then the solder joints in the assembly for those tiny BGA balls in those IoT devices wouldn’t be a perfect joint. It might create irregular connections, which might be a larger issue to deal with and fix. It all boils down to which EMS partner you’re working with because they’re the ones who will decide on the fabrication house to make a triumphant IoT product for you.

PCB Assembly

It’s very important to go to experienced EMS companies that have successfully assembled IoT and wearable PCBs as they have special tooling and fixtures already obtainable, which are needed for assembly in order to guarantee components are placed perfectly, precisely and the printing is performed perfectly.

Printing could be a challenge for IoT products. If it’s a rigid-flex board, then you can find a change between thicknesses of the rigid and flex circuit portions, indicating a special fixture is required to maintain the complete rigid-flex board planar or completely flat to allow for effective printing to become reached.

Startups need to be ready to select the proper manufacturing partners and EMS businesses. Doing this they can confirm they have enough experience before hand to get the multitude of design, fabrication and assembly details efficiently performed as they are key to a prosperous and on-time IoT product release.

Contactless payment using smart wearables



www.infineon.com/wearable-devices

Presenting Infineon’s breakthrough Boosted NFC Secure Element in innovative smart wearable devices.
Infineon’s Boosted NFC Secure Element is an all-in-one solution for secure NFC payments. Combining ultra-low power consumption and an ultra-small PCB footprint with extraordinary contactless performance, it is the perfect fit for today’s smart wearable devices.

Source

IoT PCB things to consider for Startups

Given that IoT appliances are so cutting edge, you would assume that getting an IoT printed circuit board (PCB) project off the ground starts by reinventing the wheel and suffering from a wide range of technical trouble. That is most certainly untrue.
Nevertheless it doesn’t indicate that IoT startups have a straightforward approach to fame and fortune. Facing them is a lot of design and manufacturing issues which are completely unique to these small products. These considerations should be thought of for the new IoT device to be successful.

On the plus side, it’s essential for IoT startups to find out that the foundation for a successful cool product exists. What this means is experience and knowledge regarding the design, fabrication and assembly of these complex products are accessible. Additionally, the best advice is for heady IoT product entrepreneurs and forerunners to heed the counsel that knowledgeable electronics manufacturing services or EMS providers offer. These corporations and also their engineering team members already have undertaken this work with revolutionary IoT companies in Silicon Valley participating in the very first of this rising market.

The PCB of an IoT unit is a distinct beast than the traditional one, which is substantially larger and flat. IoT units, on the other hand, consist mainly of either rigid-flex or flex circuit assemblies, which include their very own categories of design layout, fabrication and assembly considerations and detailed aspects.

Layout

A primary factor is to hunt down professional designers who’ve finished loads of rigid-flex PCB designs. PCB space for an IoT unit is tight. So you want the designer to have directly layout practical experience to successfully design vital elements on that small space.

On top of that, almost all IoT systems are not fixed; they sustain extensive movement and turning. Here, the professional designer plays an essential role in working out bend ratios and lifecycle iterations as a serious part of a design. Additional vital design layout considerations include signal trace thickness, number of rigid and flex circuit layers, copper weight and stiffener placement. Stiffeners are employed on flex circuits to make sure that elements connected to the flex circuit continue being tightly in place to stop movement.

An extra concern is through-hole element placement in rigid-flex circuits. Why’s that key? Most IoT devices are founded on surface mount device(SMD) placement. Nevertheless , there could be through-hole elements, which are typically attached to either the rigid portion or the flex part of the board. Through-hole elements are normally used to connect input/output or I/O signals to the outer world. That way, those signals can show up employing an LCD or LED monitor. Through-hole element placement is a critical concern in an IoT device because when applied on the flex part of the board, appropriate stiffeners have to be designed and applied for ideal assembly.

Eventually in the layout category, the heat which elements generate ought to be taken into consideration. IoT systems are starting to be sophisticated with rigid-flex and flex circuits featuring as many as 12 – 14 layers. A few systems are digital. Nevertheless , more and more analog systems are being exercised in IoT systems. Analog circuitry delivers a great deal more heat than digital ones. It implies heat expansion and also contraction rate has to be considered. In tech lingo, that is termed as the Coefficient of Thermal Expansion or CTE and the effective handling of it.

Manufacturing

Choosing the right fabricator is essential and is linked to the EMS enterprise you have decided on. The fabricator you’re looking for has to have IoT PCB fabrication practical experience. Amongst vital considerations here are ensuring solid adhesions between layers on both rigid and flex circuit sides, realizing all of the crucial calculations and getting a strong comprehension of when current moves from the rigid side to the flex side.

Such fabricators also need to have an in-depth comprehension of very small parts like 0201 and also 00105 device packages, package-on-package, and the utilization of fine-pitch ball-grid array or BGA packaged devices.

Additionally they must have experience in designing boards with truly tight tolerances in terms of footprint for those types of BGA devices, in terms of up-to-date capabilities like laser direct imaging for putting the solder mask on the board. They need to have laser drills for via drilling with sizes of 5 mils or under mainly because these IoT products could be so compact that a typical drill size of 5 to 8 mils may not be sufficient. They could need to go to a 3 mil, meaning you should get an leading-edge laser drilling capability on-site.

In cases where you’re placing via-in-pad, it’s a good way to make use of the small space that’s available on the rigid-flex board, but it poses problems for assembly. If vias are not completely planar or flat in shape, it may be an issue over the assembly of those tiny BGA packaged devices. That’s because non-planar surfaces may put in danger the integrity of solder joints.

At times via in pads leave bumps if they’re not scrubbed thoroughly after installing the vias and gold finish on top. In the event there are bumps, then the solder joints in the assembly for those tiny BGA balls in those IoT devices wouldn’t be a great joint. It may create intermittent connections, which can be a larger issue to cope with and improve. It all boils down to which EMS enterprise you’re choosing because they’re the ones who will find the fabrication house to make a profitable IoT device for you.

PCB Assembly

It’s vital to pay a visit to professional EMS companies that have correctly assembled IoT and wearable PCBs as they have specialized tooling and fixtures already available, which are needed for assembly to make sure that components are placed properly, exactly and the printing is performed appropriately.

Printing is usually a obstacle for IoT systems. If it’s a rigid-flex board, then you will find there’s a difference between thicknesses of the rigid and flex circuit portions, signifying a special fixture is required to retain the complete rigid-flex board planar or completely flat to make effective printing to become carried out.

Startups really should be well prepared to discover the suitable manufacturing partners and EMS corporations. By doing this they can be certain they have enough experience in advance to get the multitude of design, fabrication and assembly details effectively performed as they are key to a successful and on time IoT product roll-out.

Circuit Board and Wholesale Fitness Band Exporter Located In Shenzhen

Circuit Board and Wholesale Fitness Band Exporter Located In Shenzhen

MOKOSmart Technologies Ltd

Founded in 2003, MOKOSmart is a qualified professional vendor of Private-brand Smart Wifi Plug and Printed Circuit Board. We is devoted to EMS (electronics manufacturing support) for roughly 15-year which include Printed Circuit Board Design & Layout, Circuit Board Fabrication, Electronic Circuit Board Assembly, PCBA Prototype, PCBA Test, Electronic Component Finding and Producing for kinds of smart electronic production including, iBeacons, etc.

Circuit Board Design & Layout
You show us a schematic, we offer you a circuit board, even you give us a thought, we make it become a reality. MOKOSmart has an experienced specialist team to design your PCB solutions irrespective of whether it is big or small. With top notch software and specialist knowledge by the standard of industrial first-rate level, we are on the odometer to one of the most suitable Circuit Board companies.

PCB Board Fabrication (Electronic Circuit Board FAB)
As being a qualified professional Circuit Card maker in China started in 2003, until now we have produced a lot of Electronic Circuit Boards consisting of FR4, FR1, CEM1, FPC, Metal Core PCB Board and Rogers Circuit Board, etcetera. With the benefit of material and component sourcing channels, we have the ability of fast PCB sample –48 hours after order confirmation.

MOKOSmart Limited gives you one-stop Printed Circuit Board assembly services for electronics manufacturing, from components sourcing, PCB production, SMT, DIP, Circuit Board assembly to finished product assembly. With the superiority of huge-scale purchasing (of IC, resistances, capacitance, inductance, diode and audion, etc.) and quality-first sense, we contract with the exceptional component suppliers from China and aboard to generate long-term relationship, this makes sure original quality and constant supply, aiming at transmitting the benefit to our clients. We have been working with the customers from United states of america, Germany, Russia, Israel, Iran, India, Mexico, Argentina, Colombia, etcetera.

SMT Processing Line
We’ve got 8 SMT Lines and 3 DIP Lines to implement Circuit Card assembly. The accuracy and precision of chip replacement is up to +0.1MM, revealing we have specialist skills in manufacturing heaps of different printed integrated circuit boards which include SO, SOP, SOJ, TSOP, TSSOP, QFP, BGA and U-BGA with surface-mount technology (SMT), thru-hole technology (THT) and combined tech chips.

DIP Assembly Production Line
MOKOSmart has 3 DIP processing lines, qualified working platforms and carriers, which ensures a yield of 1,500,000 pieces on a daily basis. For every process, technical and standard operation procedures are made to follow, with strict KPI, this makes sure of 99.8% of pass for each and every PCBA. Bring down our defects, result in more value for customers.

With ISO9001, SGS, CE, FCC, ROHS, UL and MSDS certified, we are presenting complete PCB Assembly services for some known OEM customers who look closely at marketing and advertising and designing in the industries of consumer electronics, security control, industrial automation, medical & well being, counter gadgets et cetera, in addition, also making varieties of modules such as tracker wristbands, WiFi / nRF51822 Bluetooth LE modules, smart plugs and Bluetooth beacons.

100Pct total satisfaction is our motive to create for our customers and partners, which is assisting us establish win-win business model and grow with our clients. With your assistance, we’ll be one of the most suitable Chinese PCB & PCB Assembly vendors.

Connect with Us

Contact page form: https://www.mokosmart.com/
Location: 4F, Building No.2, Guanghui Science Park, MinQing Road, Longhua Dist., Shenzhen City, China Zipcode: 518109
Factory Location: Building #1 3F, Shenlan Industrial Park, No.240 Fuqian RD, Guanlan, Longhua District, Shenzhen, 518110

 

Solar Energy Printed Circuit Board Company Located within China Mainland



Sales Manager : lixun Tel : 86-0769-89974904 mobile: +8615818290872
FPC /PCB punching (HYPL)
1. Cast iron frame work for rigidity.
2. Easy and safty operation.
3..Depaneling PCB/FPC by means of punching dies, to avoid micro-cracks caused by manual.
4.Punching dies are changeable. Easy set up of punching dies.
5.Moveable lower die for easy loading and unloading PCB punch die/FPC die/PCB punch mold/ FPC mould.
6. High efficient for punching semi-finished PCB/FPC.

Specification:

Size
930×880×1230mm

Punch power
8T

Working air pressure
0.50-0.70Mpa

Working area
460×320mm

Weight
530kg

Source

Solar Energy Printed Circuit Board Company Located within China Mainland

12-pwb-pcb-factories-01

Leadsintec Inc.

Leadsintec Co.,Ltd is an electronic manufacturing service (EMS) professional in Shenzhen China since 2004. As an ISO 9001 licensed electronics contract producer, our company offers a variety of circuit board, component purchase, circuit board assy, box-build, testing services.

Attributable to the earlier 11+ years rich expertise in manufacturing, Leadsintec has developed a fine standing in China and worldwide. Our goods are mainly used in the Electronics Market , Industrial, Automation, Vehicle, Agriculture, Defense, Aerospace, Health-related and also Home security industries.

Our purpose is to aid small , mid-sized clients in lessening their expenditure by offering total options, high-mixed, low and medium volume services. Utilizing our competent program supervisors, process technical engineers, production team members and purchase experts, we are now competent to fully understand and go beyond your wants.

Leadsintec’s production facilities consist of clean work spaces and advanced high-speed SMT product lines. Our chip placement precision can hit +0.1MM on integrated circuit components. This indicates we’re able to work with almost all kinds of integrated circuits, like SO, SOP, SOJ, TSOP, TSSOP, QFP, BGA and also U-BGA. Moreover, we’re able to provide 0201 chip placement, through-hole component insertion and final product manufacture, test and packing.

12-pwb-pcb-factories-01

STG

According to : http://www.china-pcbassembly.com/factory-view-n100-1.html

Turk-key Circuit Board assy solution company

(Support private-label Circuit Board )

STG is a reputable pro Circuit Board and PCBA producer in China, which supplies OEM/ODM service for worldwide purchasers . With years of experiences, STG is not simply a maker, but even a expert designer for new concepts, new innovations in line with customers. Our product selection contains various professions, including gadgets, telecommunications, industrial products , automotive assemblies, medical equipment and the like.

Our prime services consist of electronics and metal casing fabricating, for instance , printed circuit boards Circuit Board Mfg, part procuring, Circuit Board assy, plastic/metal house build, die-casting and custom-made Mfg. With experienced staff from STG properly trained, their capabilities will be impressive.

Email or call STG

China Shenzhen Office

Telephone: +86-0755-27929725
FAX: +86-0755-27929724
E-mail: sales@stgpcba.com

Location: Huolibao Building 5F , Technology Park, Nanshan, Shenzhen, 518100, China.
Web: china-pcbassembly.com

HK Office

Telephone: 852-36458129
Fax: 852-36458092
E-mail: marketing@stgpcba.com.
Location: 11/F FRONT BLK,HANG LOK BLDG 130 WING LOK ST,SHEUNG WAN, Hong Kong
Web-site: china-pcbassembly.com

12-pwb-pcb-factories-01

Asia Pacific Circuits – Turn-key service for Circuit Board Assy & Circuit Board Fabricating

Depending on : http://www.apc-pcbassembly.com/about-us-asia-pacific-circuits/

Asia Pacific Circuits Co., Ltd is an expert in Circuit Board mfg and assy, incorporating prototype and production PCBs. Here at APC We supply excellent and budget friendly Electronic Contract Manufacturing Services – including Circuit Board manufacture, components locating and one-stop PCB assy. With up to date factory and modern technology, we help consumers in a wide range of industries.

We are devoted to your whole satisfaction. Time to market is a symbol of how the company’s time-critical, Turn-key mfg services help purchasers to reduce the time necessary to develop new merchandise and push them to market.

Asia Pacific Circuits establishments are ISO9001-2008 approved, ISO 14001 (Environmental), UL Recognized, TS16949, TSTS13485 certified, IPC-A-600 and IPC-A-610 3 certified. We have a PCB assy factory and a Circuit Board manufacturing factory in China Shenzhen. APC business spectrum covers – Circuit Board Prototype, low to medium and high volume Circuit Board mfg and Circuit Board assy services.

Subsequent to APC team members 18 years of diligent efforts to form a exceptional sales network, We achieved a all-inclusive management system, received the ISO9001: 2008 international quality management system certification. We have a highly qualified sales, Circuit Board manufacturing and PCB assy under one roof, advance the sales operation and manufacturing and testing machines to make sure only quality boards are supplied to the shopper .

Speak to Us

Asia Pacific Circuits Co., Ltd
Office Telephone: +86-755-2758-4025
Office Fax: +86-755-2758-4028
E-mail: sales@apc-pcbassembly.com
Office Location: No. 55A, Baoan Ave, Bao’an District, Shenzhen , 518102, China
Manufacturing area Location: Gaoqiao Industrial Park East, Yanlong Ave, Longgang District, Shenzhen, China

12-pwb-pcb-factories-01

Shenzhen MOKO Tech Ltd

We Supply a Broad Selection of Printed Circuit Board Alternatives to Match Each of your PCB Needs.

Moko Tech Ltd created in 2001, positioned in Shenzhen, China. is experienced in PCB board fabricating + PCB board assy, located in Shenzhen, Guangdong, China. We are focused upon manufacturing single-sided , double-sided and multilayer board, to a maximum of 18 layers. What’s even better, we can provide parts acquisition and turn-key PCB board assy service.

With over ten years in the industry of PCB board prototype and manufacture, we’re focused upon fulfilling the goals of our clients coming from many industries concerning quality level, delivery, price and another request(s). Being among the many most professional PCB board manufacturers in China, we have confidence to become your most useful business partners .

In Shenzhen, we’re respected as the top-notch supplier for numerous businesses around the globe. We deliver all sorts of services including PCB board fabricating and PCB board assy for from prototype orders through batch orders.

Regarding PCB board assembling, with the help of 8 high-speed SMT assembling lines brought from Japan Yamaha and Sony, we do our uttermost to meet up with our consumers’ requirements.

One-stop Solution: In excess of Printed Circuit Board Fabricating

Our enhanced competence in printed circuit boards is not merely restricted to PCB board fabricating but also includes most relevant services like PCB board design / layout and PCB board assy. Our experienced design pros can make it easier to realize economical excellence in your multi-layer design or we’re able to design your circuit from nothing: from a simple double-sided board to challenging rigid-flex PCB applications. In 2012, our subcompany – Shenzhen Eastwin Trading Ltd founded in an effort to stretch international Market.

We possess our 25,000 sq. feet cutting edge manufacturing unit to make available the quality perfection you’re after…

We now have gained the ISO9001:2000, ISO14001, UL and ROHS certifications. At this point our PCB board volume has reached One thousand square meters on a daily basis, and as for PCB board assy can get to 100 mil items per 30 days.

We really recognize that our respectable service and expertise will entirely achieve your requires. Reliability and innovation are the power that result in our popularity. We are the most advantageous alternative to meet your requirements.

For further products and services, more incentives, or cost free trial samples please be sure to

Make Contact with Us

Shenzhen MOKO Tech Ltd.
Telphone: 86-75523573370
Fax: 86-75523573370-808
Mailbox: mike@szeastwin.com
Location : 4F,Buidling #2,Guanghui Science Zone,Minqing Road, Longhua Town, Shenzhen , China
Postal Code: 518109

In line with http://mokotechnology.com/about/

Why Do I Go for a PCBA Service?

Why Do I Go for a PCBA Service?

Here’s a question we get requested more frequently than we might otherwise expect: “Why do I require a PCBA service?

Printed Circuit Board Assembly is one of the cornerstones of electronic devices today, although that’s only been the case for the last 3-4 decades. Thanks to the development of surface mount technology (short for SMT) and other advanced manufacturing technology, it’s now more simpler for many companies to outsource their jobs to a PCB Assembly service than to accomplish it on their own.

But nevertheless , it’s great to review the reason why things have developed this way. For that reason let’s take a look at Circuit Board assembly some of the major reasons a producer should look for PCBA services to assist in their production.

The Advantages of a PCBA Service

1. Doing it in-house requires a ton of pricey investments. It used to be that everyone did their own electronics manufacturing, but it requires a huge capital in production lines and equipment, not forgetting workforce and experience. For most corporations, there’s little foreseeable ROI on an investment such as that, even looking years down the line.

2. Economies of scale production . Another primary benefit of entrusting your Circuit board assembly is that enables you to leverage the investments others have made into manufacturing technology. A large, dedicated electronics assembly facility is able to produce more units, a lot quicker, and at a reduced cost

3. Design & Layout services are often included in the deal. Although this isn’t true of all Printed Circuit Board services, a lot offer you design services to assist you to improve your designs. Expert Printed Circuit Board producers can engineer top-quality solutions and help you produce higher quality products, while at low costs.

4. True expertise. Nearly all main electronics assembly businesses have years or perhaps tens of years of expertise in mass-producing electronics. That’s expertise that would be incredibly pricey if you went looking to a professional to oversee your own operations, but comes relatively cheap when you work with an outsourced assembly firm.

5. Guaranteed QC. Yet another serious problem with self-assembly of electronics components is quality control. On top of the plants, do you have the resources to check and guarantee the quality of the Circuit boards which you produce? Major electronics manufacturers have comprehensive quality control procedures and can supply excellent quality components.

And all of this results in key point:

If you don’t have confidence in the parts, you can’t trust the end product.

Any electronics firm with any regards for its long term future should consider its own reputation to be vitally important. People nowadays can use the Internet to right away study your business and also all your competitors. If you grow to be recognized for putting out low-quality things, it will become a nearly hopeless issue.

The best way to have solid end products is to make sure that good components get into their production. Besides making improvements to your own products, this tends to also help your engineers as well. After all, if something does go wrong, realizing that all your components were made to top-line specifications will make it easier for them to locate the actual source of the problem.

So, in short, how come you require a PCB’A service? For the low cost, for the better quality, and for the reassurance that comes with putting out a reliable product. There is only little reason to do your own producing in-house, and lots of reasons to look outside your company instead.

 

DC Hipot | “How-To” Video



DC Hipots can be used for the following testing applications: cable, transformers, electrical switchgear, terminations, motors generators and other electrical apparatus.

Today we’re going to take you behind-the-scenes to do a live test with our 800PL series Portable DC Hipot Testers. Here at HAEFELY HIPOTRONICS we always stress the importance of safety. So be sure to check with your own company’s guidelines for personal protective equipment.

This unit is our 880PL DC Hipot tester. It’s capable of putting out 80kV at 10mA. Other models in the 800 series follow a similar testing procedure, but today I’m demonstrate testing on a 15kV-rated URD cable.

While the power is off, connect ac power supply to the unit and 120V/60Hz power strip. Also, connect high voltage, ground, and return leads. Then connect the other ends of your leads back to your unit. Also, be sure your interlock plug is connected.

Now it’s time to make sure that all nonessential personnel are out of the testing area so you can begin your test. Set your current range to max, and set your voltage range to the desired setting. My cable is only rated for 15kV, so I’m going to use the lowest 0-20kV setting. Make sure your voltage control is lowered all the way to zero. Turn on the ac power switch, and this beacon here will light up to indicate there is power to the unit.

From a safe position, turn on your high voltage. This beacon will light red indicating that you are ready to start your test.Slowly raise your voltage to the desired setting. For me, that’s going to be about 13kv. You can hold your voltage for as long as your test specifies.
Now that the voltage is holding on my device under test, I’m going to check the leakage current on the current meter.

Right now the current meter range is 0-10 ma. As you can see, the current is nowhere near 1 milliamp, so I’m going to adjust the current range to go into microamps. As you can see, we’ve got about 4 microamps of leakage current. Now I’m going to return my current meter to the 0-10 milliamp setting.

Our test has run long enough, so I’m going to go ahead and slowly lower my voltage back down. I’m going to turn my high voltage off, and my ac power off. It’s important to make sure your unit is properly grounded, so I’m going to use a grounding stick. Now you’re ready to disconnect your specimen…and pack up the 880 for another test.

Call our Sales Department at 845.230.9245.
Request a free quote anytime online.
Learn more at www.hipotronics.com.
Read our 800 Series Datasheet.
Get accessories: sales@hipotronics.com.

HAEFELY HIPOTRONICS has a policy of continuous product improvement. Therefore we reserve the right to change design and specification without notice.

Source

Internet of Things PCB ways to care for Startups

As IoT appliances are so innovative, you would assume that getting an IoT printed circuit board (PCB) project off the ground starts by reinventing the wheel and finding your way through a number of technical problem. That may be false.
However it doesn’t mean IoT startups have a very clear way to stardom. Facing them is a number of design and manufacturing points that are completely unique to these small products. These points ought to be taken into consideration for the fresh IoT product to achieve success.

On the plus side, it’s important for IoT startups to recognize that the foundation for a successful new product exists. This simply means experience and knowhow concerning the design, fabrication and assembly of these cutting-edge products are accessible. Also, the best advice is for prudent IoT product enterprisers and leaders to follow the recommendations that veteran electronics manufacturing services or EMS vendors provide. These corporations along with their engineering staffs have executed the work with revolutionary IoT firms in Silicon Valley stepping into the very first of this appearing industry.

The PCB of an IoT unit is a special beast than the traditional one, which is notably larger and flat. IoT devices, in comparison, are made up mostly of either rigid-flex or flex circuit assemblies, which come with their own groups of design layout, fabrication and assembly points and detailed aspects.

Layout

A key factor is to search out skilled designers who have completed numerous rigid-flex PCB designs. PCB space for an IoT unit is confined. So you want the designer to have direct layout practical experience to productively design crucial components on that compact area.

Furthermore, nearly all IoT systems aren’t fixed; they obtain sizeable movement and twisting. Here, the skilled designer plays an important role in computing bend ratios and lifecycle iterations as a significant part of a design. Other crucial design layout points involve signal trace thickness, number of rigid and flex circuit layers, copper weight and stiffener placement. Stiffeners are utilized on flex circuits to ensure that components placed on the flex circuit keep on being firmly constantly in place to stop movement.

An alternate aspect to consider is through-hole part positioning in rigid-flex circuits. How come is that vital? Most IoT devices are founded upon surface mount device placement. Nevertheless , there may be through-hole components, which are in most cases designed into either the rigid part or the flex portion of the board. Through-hole components are often utilized to connect input/output or I/O signals to the exterior world. Doing this, those signals can show up using an LCD or LED monitor. Through-hole part placement is a critical account in an IoT device given that when applied to the flex part of the board, suitable stiffeners have to be designed and employed for proper assembly.

Last but not least in the layout category, the heat that components generate is required to be thought of. IoT systems are starting to be challenging with rigid-flex and flex circuits featuring more than 12 – 14 layers. A few systems are digital. Nevertheless , ever more analog units are being used in IoT units. Analog circuitry stimulates way more heat than digital ones. It indicates heat expansion and then contraction rate must be thought of. In tech lingo, it is referred to as the Coefficient of Thermal Expansion or CTE and the right handling of it.

Manufacturing

Finding the right fabricator is significant and is linked to the EMS company you’ve determined. The fabricator you would like has to have IoT PCB fabrication experience. Among crucial points here are ensuring tough adhesions between layers on both rigid and flex circuit sides, comprehending all of the significant calculations and possessing a strong comprehension of when current transfers from the rigid side to the flex side.

Such fabricators must also possess an in-depth know-how about extremely little parts like 0201 as well as 00105 device packages, package-on-package, and the employment of fine-pitch ball-grid array or BGA packaged devices.

They also must have expertise in designing boards with very tight tolerances in terms of footprint for those types of BGA devices, in terms of up-to-date capabilities like laser direct imaging for putting the solder mask on the board. They must have laser drills for via drilling with sizes of 5 mils or under because these IoT products could be so small that a standard drill size of 5 to 8 mils may not be sufficient. They might ought to go to a 3 mil, meaning that you need to have an innovative laser drilling capability in house.

In the event that you’re placing via-in-pad, it’s a fantastic way to take advantage of the small space that’s available on the rigid-flex board, yet it presents problems for assembly. If vias are not 100 % planar or flat in shape, it will be difficult during the assembly of those tiny BGA packaged devices. That’s because non-planar surfaces can easily endanger the integrity of solder joints.

In some cases via in pads leave bumps in the event they’re not cleaned thoroughly after positioning the vias and gold finish at the top. In the event there are bumps, then the solder joints in the assembly for those tiny BGA balls in those IoT devices may not be a great joint. This might create spotty connections, which can be a bigger issue to handle and remedy. It all boils down to which EMS company you’re using because they’re the ones who will pick the fabrication factory to make a thriving IoT item for you.

PCB Assembly

It’s essential to look at skilled EMS companies that have successfully assembled IoT and wearable PCBs because they have special tooling and fixtures already existing, which are vital for assembly to ensure that components are placed effectively, precisely and the printing is conducted in the right way.

Printing may be a challenge for IoT units. If it’s a rigid-flex board, then you can find a difference between thicknesses of the rigid and flex circuit portions, indicating a special fixture is required to maintain the complete rigid-flex board planar or absolutely flat to make effective printing to be accomplished.

Startups have to be all set to decide on the proper manufacturing partners and EMS firms. In this way they can make sure they have got sufficient experience before hand to get the multitude of design, fabrication and assembly details successfully performed because they are crucial to a lucrative and prompt IoT product roll-out.

2018 Electronic Circuit Board Maker List in China

2018 Electronic Circuit Board Maker List in China

Leadsintec Inc.

Leadsintec Co.,Ltd is an electronic manufacturing service (EMS) professional located in Shenzhen China since the year 2004. Being an ISO 9001 certified electronics contract producer, we provide you with a selection of PCB board, component purchasing, circuit board assembly, box-build, testing services.

Because of the past 11+ years abundant expertise of manufacturing, Leadsintec has received an excellent name in China and abroad. Our items are mainly applied in the Electronic Products , Industrial, Automation, Automotive, Agriculture, Defense, Aerospace, Healthcare and also Home security industries.

Our objective is to assist small and mid-sized customers in minimizing their expense by providing all-encompassing solutions, high-mixed, small and medium quantity services. Utilizing our proficient system supervisors, process professionals, production workers and purchase professionals, we’re in the position to completely grasp and get the best of your wants.

Leadsintec’s making facilities incorporate neat workshops and leading-edge high-speed SMT product lines. Our chip placement precision can certainly get to +0.1MM on integrated circuit components. It means we are able to address pretty much all sorts of integrated circuits, for instance , SO, SOP, SOJ, TSOP, TSSOP, QFP, BGA and U-BGA. Likewise, we can easily support 0201 chip placement, through-hole component insertion and ended merchandise fabrication, test and packaging.

A-TECH CIRCUITS CO.,LIMITED
A-TECH CIRCUITS CO.,LIMITED Profile
According to : http://www.atechcircuit.com/about-us

A-TECH CIRCUITS CO.,LIMITED is a contract Printed Circuit Board fabrication enterprise in Shenzhen China, which are dedicated to quick turn PWB prototype, small to medium volume PCB Board mfg and assembly services. It’s established in the year 2003, with upwards of 550 professional full-time team members, we’re in a position to complete outcome 15,000 square metre(s) every month, incorporating more than 3000 sorts of fast Circuit Card prototype. The Electronic Circuit Board (printed circuit board) we made are widely used for a variety of electronic industries, just like PC peripheral devices, aerospace, telecommunication, vehicles, healthcare gadgets, cameras, optoelectronic devices and so on. Over 80% of our PCB goods are sold to The European Countries, North America and even Asian countries.

A-Tech Circuits usually sticks to the thought of “quality first, prompt delivery and client fulfillment”. Because we concentrate on level of quality, priceprice, timely delivery and constant betterment, we are able to meet up with particular demands from global high tech enterprises. At the same time, We have been authorized : ISO9001:2008, ISO14001, TS16949 and UL (UL No: E357001) and likewise complied with the RoHs & WEEE requirement for leadless PCB Board products thru SGS test.

We realize that there exists a lot of competition in the Circuit Board industry, but we’re confident that our commitment of high quality, service and quick turn around times put us prior to the curve. Not only will we demonstrate to you that we are worthy of your business and trust, but also we will let you know the reason our clients usually come back.

In an effort to meet up with a variety of purchaser requirements internationally, A-TECH presents an vast array of PCB Board fabrication and service, this is a list of the services and products we currently provide:

Rigid FR4 Circuit Card
Flexible Circuit Board
Rigid-flex PCB Board
Metal Core / LED Circuit Card
Microwave / RF PCB Board
HDI PC Board
PC Board Assembly

Get In Touch With Us
A-Tech Circuits Co., Ltd.
Location: JiaYu Building, ShaJiang Rd, SongGang Town, Bao’an District, ShenZhen City, China.
Telephone: 86 (0) 755 3326 0657
Telefax: 86 (0) 755 2306 4829
EmailEmail address: sales@atechcircuit.com

China PCB Board Makers for from Example through Mass Manufacturing in China

Ourpcb Tech Ltd.

In keeping with : http://ourpcb.com/about-us

Concerning OurPCB

OurPCB is a international Circuit Card fabricating and Assemblage manufacturer who delivers Multinational service and support by making use of our abilities.

You can expect competitive charges, professional service and support and outstanding delivery period of time. We achieve this because we’re the manufacturing company. OurPCB Tech, Our mother enterprise in China mainland was established in 2005, and has offered qualified Circuit Board mfg and Assy solutions for about 2,500 shoppers on the planet. With a purpose to satisfy our clients’assorted demands and preferences for PC Board assembling, We set up our individual Electronic Circuit Board Assemblage factory in Apr 2011.

Our facility features enhanced machines, however, not merely 3 high-speed SMT production lines, Siemens HS50 Pick and placers, Siemens F5 pick and placers, Heller 1809 Reflows, Speedline MPM printers, OK intelligent solder irons, And Otek Automatic Optical Inspection devices to mention a few. We support LGA, QFP, QFN, DIP and BGA SIP assy forms.., The minimum SMT footprint we are able to mount is 0201. Our manufacturing unit also can offer programming, Wiring and even injecting and conformal coating services.

Our Assy production line has ISO9001 Certificates, For unfilled PC Board manufacture, we also have ISO and UL certificates., Accordingly OurPCB is really great for dealing with / Producing quality Assemblage projects which meet current good quality standards.

ConnectorFromChina.com website is associated to OurPCB GROUP, makes a specialty of operating businesses of precise Board to Board, Solar photoelectric connector, I/O connectors, industrial Terminal blocks and cable assemblies for PC & peripheral devices.

Reach out to Us

OurPCB Australia PTY Limited
Electronic mail: salessales@ourpcb.com.au
Telephone 0061-03-9785-1090
Tel 0061-0417-264-974
Location: Suite 3A, 85 Bardia Ave,Seaford VIC 3198

Ourpcb Technology Limited
Mailbox: sales@ourpcb.com
Tel : 86-311-85981900 86-311-85981877
Address: 3F,Nanhai Plaza,NO.505 Xinhua Road Xinhua District, Shijiazhuang Hebei Province China

OurPCB Manufacturing unit
Tel +86-311-82190340,82190343
Telephone number +86-311-82190477
Address: #1,Xinke industrial Garden, Yunkai Rd, Luquan economic&industry development district, Shijiazhuang Hebei Province China

China-based Professional PCB Manufacturing Business Partner in China

About HTD Group

Mantra: Your PCB production business partner in China

With in excess of 15 years practical experience, HTD Group is instantly becoming the valid option for PCB suppliers in China. We’re extremely pleased to produce premium boards, and make available a safe and productive work environment for our over 1000 personnel.

For in excess of 15 years, HTD Circuits is usually focused on meeting the requirements of our customers by delivering the very best tools and resources to make conducting business quick and simple.

-Peter Cai, CEO

There are numerous troubles in doing business in foreign lands. Not only do companies must be concerned with time zone diversities and language difficulties, but more importantly, that PCB??s are manufactured using branded materials and are completed on-time and on-budget! And for those unusual instances an order arrives with a problem, the confidence and trust that the producer remedies the trouble fairly quickly .

To eliminate all of these obstacles and to place us above and beyond our opponents located in China:

Multi-lingual staff in China that talk in quite a few foreign languages
>>100% faultless promised
>>99% on-time supply
>>Price protection assured
>>Web based purchasing and ERP system 24 /7
>>World-wide shipping and stock managing software programs

We ought to have the results , it has taken 15 years of time and effort and the capacity to be noticed in an ever-evolving, worldwide industry.

HTD Group CircuitsCircuits.com is among the list of world??s largest and specialized multilayer PCB vendors. Our desire for technology and other semiconductors has made it easier for us to become one of the top PCB producers in the business. On top of this, it has advised us to expand above the borders of our nation and reach out to the world.

PCBs from HTD Group Circuits are the final results of the latest technological breakthroughs in the industry of electronic circuit design engineering. These comprise a variety of different elements built together like a waterfall you can use to execute multiple functions all at the same time by making a entire circuit. We attempt to bring up all of the components which have been assembled, to ensure it is straightforward to make proper use of it, regardless of whether you’re an professional or an inexperienced.

Usually, China has a impressive market for electronics, steel engineering suppliers and manufacturers but their manufacturing skills are widely recognized likewise. HTD Circuits as PCB manufacturers owns a pretty big PCB factory that produces all types of PCBs you can imagine! PCBs could be printed in keeping with your private requirements, including a couple of layers to those rising up to as high as 16 layers.

HTD Group Circuits is committed to offer you the excellent quality service. Which is why all the PCB fabrication procedures is conducted under the strictest quality control and from the best quality components, under professional administration. We also offer you excellent quality aluminium PCBs, copper boards, laser cut stencils, flexible PCBs and a great number of other types of tailortailor-made PCB that match your obligation and investing budget.

Get in Touch with Us

Addr.
Building No. D3, 3rd Industrial Area, Fuqiao, Fuyong Street, Baoan District, Shenzhen , Guangdong China
Inbox: info@htdcircuits.com
Telphone: +0086-755-8146 2930
Telefax : +0086-755-8146 2931

In line with : http://htdcircuits.com/about-htd/

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