Article Highlights
More Than a Word: Solder Mask
08/15/2018 | Patty Goldman, I-Connect007
Calumet Electronics on IMPACT 2018
08/14/2018 | Patty Goldman, I-Connect007
Study on Application of Four-Wire and Four-Terminal Flying Probe Test Scheme
08/10/2018 | Jin Erbing, Joint Stars Technology Co., Ltd
Advanced Copper Plating Process for Any Layer Via Fill Applications with Thin Surface Copper
08/07/2018 | Saminda Dharmarathna, Christian Rietmann, et al.
Book Recommendation: The Introvert’s Edge
08/03/2018 | Dan Beaulieu
PCB :: New Technology

Latest Articles

Study on Application of Four-Wire and Four-Terminal Flying Probe Test Scheme

With the four-wire and four-terminal flying probe test method, voids in the holes formed in the PCB due to process differences, thin copper, and poor conduction due to residual adhesive after laser drilling of the HDI board can be detected, and the circuit board guide can be solved. With the development of multilayer, high-density PCB layout, four-wire four-terminal flying probe testing will play an increasingly important role.

The Survey Said: Industry Optimistic After Strong 2017

During recent trade shows and conferences, we spoke with a variety of fabricators and assembly providers. They had one thing in common: Every company achieved strong growth in 2017, and shared a positive outlook about the future. This year, the industry is optimistic, driven by positive economic outlook, growing customer demand, and new technologies and vertical markets, among others.

Three New Mars2020 Rover Technologies: What Powers the “Body Parts” on the Mars2020 Rover?

The Mars2020 Rover Mission, designed by JPL, is the next NASA Mars Exploration Program mission that is planned to launch in 2020. Some goals of the mission include to check for past signs of life, to help prepare for manned Mars missions, and to collect soil samples and cache them on the surface for potential return to Earth by a future mission.

CES 2018: Disruptive Technologies and Fun PC Stuff

Two disruptive technologies that we have been covering for the last few years are 3D printing—especially as it pertains to PCB fab—and autonomous driving. 3D printing has been around for a few years, but it seems like 3D printers were introduced to CES very recently. This year there were almost 50 exhibitors showing their latest offerings. Most of them were in the LVCC in the north hall at the 3D Printing Marketplace.

CES 2018, Augmented Reality and Much More

The actual CES show is spread across many locations in Las Vegas. The main exhibit halls are at or near to the Las Vegas Convention Center with three buildings, two floors each, all filled with hundreds of booths. Then there is The Sands Convention Center with multiple halls filled to the brim and hotels with their own convention centers and floors of exhibitor suites. With almost 200,000 in attendance, all locations are very busy.

Planning a PCB: Signal Integrity and Controlled Impedance Considerations

Knowledge and experience are the two key elements when planning a PCB. Today’s PCB designers must have far more knowledge and understanding of the PCB production process than in the past. This is especially important when they plan and how they plan the stackup, via span, routing and power distribution.

HDI’s Beneficial Influence on High-Frequency Signal Integrity

The increasingly widespread use of finepitch ball-grid array (BGA), chip scale packaging (CSP), and other evolving technology form-factors means that new fabrication techniques must be used to create printed circuit boards (PCBs).

Whelen Engineering, Two Years Later

If you know anything about this unusual (and extremely private) company, you probably read it right here at I-Connect007. Whelan Engineering’s truly unique PCB manufacturing operation is the result of a company initiative to bring their PCB needs back into the States—and do so at a cost savings. It has been quite a success, largely due to the efforts of brainchild Alex Stepinski, now VP−PCB at Whelen. The company is still in the thick of manufacture, includingan expansion of the PCB facility.

Victory Giant Technology: The Qualified Forerunner of PCB Smart Factories

The topic of the July issue of PCB007’s China Online Magazine is “Automatic PCB Factories,” focusing on the pressures of cost, delivery time and process, and the irreversible trend toward automated PCB factories. Centering on this theme, we interviewed Andy Zhou, COO of Victory Giant Technology (HuiZhou) Co. Ltd., the first domestic PCB manufacturer who carries out large-scale implementation of intellectualization throughout the factory.

I-Connect Survey on Process Step Elimination: What is More Important for Productivity?

Is utilizing the best technology out there the most important factor in improving productivity? Or is it automating certain, if not all, processes in your production? What about employee morale, what is its impact on the overall productivity of your line?


Designing with Ultra-Thin Flexible Printed Circuit Boards

Designing with flexible PCBs is not much different from doing the same with rigid boards, except that the designer must account for the mechanical complexity associated with flex circuits. For instance, a flexible PCB can tear if flexed beyond its capability during installation. Therefore, it is very important to create a mechanical model of the PCB and test it for a proper fit, before taking up the electrical design.

Thin Film NiP Embedded Resistors in Heater Applications

There has been a growing adoption of NiP thin film resistors as heater elements from a diverse group of users including those in the aerospace, defense, high-end computing and the volume consumer electronics market. A novel application has now grown from the validation and reliability testing perspective. Using embedded resistors as heaters to do high-temperature or burn-in testing eliminates the need for thermal chambers.

Embedding Active and Passive Components in Organic PCBs for More Reliability and Miniaturization

Hofmann Leiterplatten GmbH has developed a wide range of products in the last 25 years. New manufacturing know-how has been developed in fabricating organic PCB with embedded devices. A special name, AML (active multilayer), was created to differentiate the surface mount devices (SMD) and the device embedded technology (DET) PCBs. Manufacturing processes that are not typical for standard PCB fabrication shops has been developed.

Deep Into Technology at Compunetics

There aren’t many printed circuit companies in my neck of the woods. There is one, however, that has always fascinated me, and that is Compunetics, in Monroeville, Pennsylvania, a suburb of Pittsburgh. Having worked with them on the electrophoretic photoresist, a PPG product, many years ago, it was great to stop by and catch up with CTO Tim Schmitt and Technical Applications Manager Jesse Ward, along with General Manager Burhan Capar, a relative newbie to the company.

Eagle Electronics: Success through 'Building Everything'

During a recent visit to Chicago, Editors Andy Shaughnessy and Patty Goldman stopped by Eagle Electronics just outside of Chicago. Chief Operating Officer Brett McCoy gave them a tour of the facility, and spoke about the company’s plans for the future, and why Eagle is bucking the niche market trend and manufacturing a wide variety of PCBs.

CES 2017: Press Day, LaunchIt and Showstoppers

Before the show opens, CES provides two days and evenings not open to the general attendees, to enable companies, large and small, an opportunity to present their new offerings to the press. These opportunities range from small meetings with individual members of the trade press to huge events such as those presented by Samsung, Asus, Sony, Intel, Panasonic and others, with literally several hundred in attendance.

Real Time With...HKPCA & IPC Show 2016: Orbotech Highlights Need for Industry 4.0

Orbotech's Shavi Spinzi speaks with Editor Stephen Las Marias about the latest trends happening in the PCB manufacturing industry, and the market growth drivers. He explains why the PCB manufacturing industry needs to move to Industry 4.0, and discusses how Orbotech can help them in their Industry 4.0 journey.

From Afterschool Robotics Club to FIRST Competitions

Seven years ago, Joel Bruxvoort, a science teacher at Jefferson High School in Daly City, California, started a robotics club as an afterschool program. Now, his club has two teams competing in events for FIRST (For Inspiration and Recognition of Science and Technology), an international youth organization developed to advance STEM subjects around the world.

RTW IPC APEX EXPO: Microcraft Discusses Eliminating Process Steps and Minimizing Set-Up Times

Zachary Cliff, outside sales account manager at MicroCraft, speaks with I-Connect007 guest editor Steve Williams about how their inkjet printers are helping customers minimize setups, eliminate process steps, and thereby save a lot of time and labor fees.

RTW IPC APEX EXPO: ASC's Vardya Talks Strategies for Growth

American Standard Circuits CEO Anaya Vardya talks with I-Connect007 guest editor Steve Williams about the company’s strategies for continued growth, such as expanding their product mix, and investing in equipment, software and people.


CES: Day One

CES Unveiled is the official media event for CES. It is the first official happening of what promises to be a very busy and fascinating week. At this event, members of the press get to preview a number of innovative startups as well as some new products from a few established global brands.

What is the Internet of Things and Why Should it Matter to Us?

It is often surprising how closely our science fiction novels and movies model the future. The Internet of Things (IoT) and big data may prove to be an excellent example of this phenomenon. Coined in 1999 by Kevin Ashton (the RFID standards pioneer), the IoT is one of the least descriptive monikers of all time for something very important in the history of technology.

Conducting Very High Currents through PCB Substrates at High Ambient Temperatures

One of the major challenges of our time is climate change and the associated need to reduce greenhouse gas emissions. The requirement to reduce CO2 emissions has brought about significant changes in the area of power generation, and also in the area of mobility. Supported by a favorable subsidy policy, the solar boom originated in Germany and quickly spread widely across Europe.

HKPCA & IPC Show 2015 Kicks Off in Shenzhen China

Barry Matties talks with Daniel Chan, executive director of the HKPCA, about the organization’s expanded global outreach. They discuss what attendees can expect from this South China trade show that has become one of the biggest and most important shows in the PCB industry.

All About Flex: Plated Through-holes in Flexible Circuits

There is probably no more important feature than the plated through-hole (also called via or via hole) with regard to the reliability and integrity of a flexible circuit. The through-hole provides electrical connection between insulated layers and enables electrical functionality on double-sided and multilayer flexible circuits.

Cars, Cars, Cars!

The September 2015 issue of The PCB Magazine focuses on automotive electronics, and includes discussions on the automotive electronics market today, where it's heading tomorrow, and what it all means to companies wanting to participate; latest innovations in automotive electronics technologies; and what to expect in our car of the future.

Agricultural Drones and Flexible Circuits

Agricultural drones are expected to have a significant impact on farming over the next few years. In the article mentioned above, the drone’s ease of use and affordability make this a tool that virtually every farmer could employ. One major complementary technology to the drone is the advances in imaging technology and analysis. Specifically, the agricultural drone gives farmers data analysis capability that they have not had before.

Enabling Smart Wearable Technology: Flexible, Stretchable Interconnect

In this article, Joan Vrtis highlights the current and forward-looking interconnect technologies enabling the stream of amazing new smart wearable electronic devices connecting the user to their personalized experience.

Flexible and Stretchable Circuit Technologies for Space Applications

This article describes two original technologies developed at imec-CMST--the ultra-thin chip package (UTCP) and stretchable moulded interconnect (SMI)--and how they could be offering new form factors with increased functional density, as well as improved reliability in harsh environments .

Novel High-Performance Substrate for Stretchable Electronics

A cornerstone feature of any viable stretchable material is its ability to return to zero after stretching. This article talks about a new transparent, high-performance thermal setting stretchable material that could open doors to a range of new and innovative products.


HDPUG Demonstrates Benefits of Cooperative R&D

The High Density Packaging User Group (HDPUG) is a member-driven, non-profit, project-oriented industry consortium that addresses the integration of new electronics component packaging and interconnection technologies into the supply chains of its member companies.

The Flex-to-Fit Approach

The flex-to-fit concept reminds us that creativity and engineering go hand-in-hand. When there is not ample space for a conventional approach, this process, which is the convergence of the mechanical world and the electronics world, results in the ability to design a flexible circuit along the contour of an existing, irregularly shaped structure.

An Optical Update with TTM

Barry Matties recently met with Marika Immonen, manager of R&D optical interconnects at TTM Technologies. They last spoke one year ago. This time, they discussed the optical project that she’s been leading, as well as the future of optical technology in the PCB industry.

Multek CTO Excited About the Challenges of the Fast-Moving Wearables Market

I-Connect007 Publisher Barry Matties and recently-appointed Multek CTO Dr. Joan Vrtis sat down at IPC APEX EXPO to discuss the rapidly evolving wearables market, especially for medical, and the myriad questions that must be addressed. Other topics include Multek’s contribution to the wearables industry and what it sees as the main challenges to putting their circuits into various applications.

Are There Advantages to Changing Your Registration System?

I-Connect007 Publisher Barry Matties recently had a conversation with DIS's Tony Faraci at IPC APEX EXPO 2015, to learn more about their pinless registration system. What was most interesting to Barry are the potential advantages a pinless system offers and if so, why the process has not been widely adopted.

How 3D Printing Will Impact PCB Fabrication

In the near future, we will enter an era where electronic devices are printed, rather than assembled. They will be fabricated layer-by-layer as a single object, rather than assembled from separate mechanical, electrical, and optical parts. This article finds out the implications 3D printing will have on PCB manufacturing.

Mentor: PCB Technology Leadership Award Winners

Continuing its tradition of promoting and recognizing PCB design excellence, Mentor has announced the winners of its 25th annual PCB Technology Leadership Awards. Started in 1988, this program is the longest running competition of its kind in the EDA industry. It recognizes engineers and designers who use innovative methods and design tools to address today's complex PCB systems design challenges and produce industry-leading products.

Thin PCBs for Smart Phones: Technology and Reliability Considerations

The next generation of smartphones will demand very thin multilayer boards to reduce product thickness. This paper shows three different manufacturing approaches which can be used for very thin, any-layer build-ups. The technological approaches are compared on reliability level--the any-layer copper filled microvia technology which is to be considered state-of-the-art for high-end phones and the ALIVH-C/G technology well established in Japan.

Basic Principles of Polymer Thick Film Flexible Circuits

Polymer thick film circuits are similar to their rigid and flexible counterparts; however, because of the materials and processes, they have their own very specific design rules. Because most PTF processing is most commonly based on screen printing technology, the limits of design are intrinsically linked to the printed ink's processing considerations and limitations.
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