RTW IPC APEX EXPO: Impact of Cross-Hatched Ground Planes on HF Electrical Performance of Flex Circuits
The HDPUG High-Frequency Flex project is studying the effect of different design features, specifically cross hatched ground planes, on signal integrity for flexible printed circuit boards operating at frequencies up to 20 GHz. Jonathan Weldon, RF Applications Engineer at DuPont Electronic Materials, discusses some of the results of the program.
Time-Lapse Video: The IPC APEX EXPO 2017 Show in Under Seven Minutes!
During IPC APEX EXPO 2017, we at I-Connect007 had our time-lapse camera running from setup to closing. The camera was positioned high in our studio, where we conducted our RealTimewith…IPC APEX EXPO video interviews, aimed down the main aisle.
Real Time with...IPC: IPC Market Research Update
Sharon Starr updated everyone on the Market Research services, industry forecasting and research projects her group publishes. She also mentioned a "call to action" for a meeting tomorrow with IPC members, seeking input on needed metrics for their new Pulse of the Industry program she will be rolling out this year, which will be a "Industry Health Scorecard".
Real Time with...IPC 2017 Videos Now Available for Viewing
Over 70 video interviews from the IPC APEX EXPO 2017 show in San Diego, CA are now available for viewing. See the opening ceremony, hear from suppliers and others on their new products, learn more about the HDP Users Group. Don't miss the videos by IPC President John Mitchell and his staff.
Weiner’s World—January 2017
This month’s column is a bit shorter than usual as we prepare for next month’s IPC APEX EXPO and its Executive Forum for PCB fabricators and their supply chain. This month also marks the 65th anniversary of Epec LLC in New Bedford, Massachusetts. The company, founded in 1952, is the oldest printed circuit fabricator in North America. Half of its $50 million in sales is reported to be with printed circuits.
Patty’s Perspective: Everything Old is New Again
This month’s issue is all about plating and surface finishes; long ago, that was pretty much my start in the world of printed circuits—wet processing. So this is kind of my home turf—and not, since I haven’t worked in wet processing for some…well, for many years. I’ve always expected that I could hop right back onto the plating room floor and pick right up where I left off all those years ago. Or could I? Have things changed much? Time to read on and see.
CES 2017: Disruptive Technologies
Those of you that have read my previous columns covering CES 2017 know that at recent CES shows I have seen many drones, autonomous cars, IoT devices, robots, and many other items ranging from robots who stand in for your doctor to smart trash cans who tell you via Alexa, Google, or soon, Cortana on your own computer, that since you have thrown away two empty milk cartons in the last few days it may be time to order more milk; just say yes and consider it ordered.
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.
Emmy Ross Discusses the New I-Connect007 E-Book Series
One thing that is long overdue in our industry is a series of guidebooks focused on helping companies with all their needs, from qualifications like AS9100 and Mil-P-31032 to various technologies, heavy copper, rigid-flex and microvias. I-Connect007 is now providing our industry with an entire series of these guidebooks, starting with the first book, "The Printed Circuits Buyers Guide to… AS9100 Certification." Authored by Imagineering Inc., this book educates readers about the AS9100 quality standard, and explains how to earn this certification.
CES Unveiled: Press Day and the NVIDIA Keynote
CES Unveiled exhibitors range from well-known companies such as: Lenovo, showing their latest high-end (and very impressive) notebooks, tablets and all in one computers; Ampad, with their new series of very capable fast and long range routers; and Thrustmaster, showcasing their virtual reality-ready gaming peripherals. Additionally, there are many previously almost unknown companies exhibiting many IoT items.
On Location at HKPCA: IPC’s Mitchell and Carmichael on Asia, the Global Industry Outlook, and Trump
While in Shenzhen, China recently, with the PCB industry’s biggest trade show as a backdrop, Publisher Barry Matties sat down once again to interview IPC President John Mitchell and IPC Asia President Phil Carmichael. This time they discussed trends they’re seeing in the Asia-Pacific region and what a Trump presidency means to the industry.
CES 2017: Preview and a Projection for the Future
Well here we are again; one more year has gone. Think back to one year ago and look at all that has happened, including recent political happenings, technical advances in 3-D printing and manufacturing, and the huge improvement in display technology, what with OLED and HDR putting everyday 4K displays into the background and driving the proverbial nail in 3D TVs.
TTM President Thomas Edman on the Global PCB Market, Technology, and More
The TTM and Viasystems merger put the PCB industry on notice last year when it created one of the biggest powerhouses in the world. At this year’s HKPCA and IPC show, Barry Matties met with TTM Technologies President and Chief Executive Officer, Thomas Edman to get his views on the market, technology, the culture of TTM and even the Trump effect.
Aismalibar on Markets, Materials, and the Increase in Copper Prices
As a European laminate provider specializing in insulated metal substrates and thermal management, Aismalibar is often put in the demanding position of catering to some of Europe’s toughest customers, including the automotive industry. Pete Starkey and Barry Matties caught up with Director General Eduardo Benmayor at the most recent Electronica trade show to learn more about the company and get his take on the current state of the IMS marketplace.
Rogers on the Booming Wireless Infrastructure Market
With the advent of 5G and next generation antennas, the already booming wireless infrastructure market is slated for continued growth through 2021, and as the primary material supplier for this sector, Rogers Corp. must continue to meet the technological demands of the Verizons and AT&Ts of world.
Mr. Laminate Tells All: The Certification of IPC-4101D Polyimide Base Materials: Buyer Beware
At the most recent IPC meeting held in Rosemont, Illinois, one of the hot topics of discussion at the Laminate and Prepreg Subcommittee was the three polyimide specification sheets. The header portion for the three polyimide-based copper-clad laminates and prepregs are shown in Figure 1, for easy comparison of polyimide grades.
Rogers Highlights Thermally Enhanced 92ML Materials at electronica
I met with Rogers Corporation Business Development Manager John Ranieri at Electronica recently. Ranieri’s professional focus is on the 92ML series of laminate, prepregs, and IMS, which was highlighted at the Munich show. The 92ML products are geared for the power electronics marketplace where thermal management is a major concern.
Streamline Circuits: The Importance of Being a Sales-Driven Organization
I recently had the pleasure of catching up with Tom Doslak, senior VP of sales and marketing for Streamline Circuits. We discussed how the company got started, technologies that seem to be driving the marketplace, critical equipment for today’s PCB fabricator, and how being a customer-centered, sales-driven organization serves as the key to their success.
What’s New with IPC’s Validation Services
During this year’s IPC Fall Committee Meetings, held in conjunction with SMTAI in Chicago, I met with my friend Randy Cherry, director of IPC Validation Services. Since the inception of Validation Services three years ago, I’ve conducted video interviews with Randy at IPC APEX EXPO, and I've been tracking the growth and progress of this program. I decided that this would be a great opportunity to do a mid-year check-up on IPC’s Validation Service programs.
Tech Talk: 225 Tech Talks—1995 to 2016
Checking back on Tech Talk Nos. 100 and 200, which reflected on past and anticipated future changes in electronic packaging, I noted the production shift to Asia, followed by the relocation of the supplier base, and, more recently, the design of electronic devices.
All About Flex: Specifying a Flexible Circuit
IPC has created a specification document, IPC 6013, which is referenced for many flex circuit applications. This commercial document, in combination with the CAD data and print, is used as the product specification. Most flexible circuitry fabricators’ internal quality standards are based on IPC 6013.
Patty’s Perspective: Take Me to Your Leader
We must have touched a real hot button when we decided to do this issue on leadership. When we sent out our survey on the topic, we received a lot of responses, which we’ll review in a separate article, plus many of our regular columnists were inspired to write on the subject.
GP Ventures: Facilitating ‘Multi-layered’ M&A Deals
One of our newer I-Connect007 columnists is Tom Kastner of GP Ventures, an M&A advisory company. I spent a few minutes with Tom at SMTAI recently, and he filled me in on his background in the electronics industry, which includes specializing in buying, selling or merging businesses; his columns deal with many of the requirements and issues on all sides of those changes.
Let's Talk Testing: Don’t Reinvent the Wheel—Find an Expert!
Back in the day when I was an engineer fresh out of college, I quickly learned that experience is the solution to many problems. Now that being said, experience comes in many forms…it could be knowledge learned from a textbook, it could be an observatory comment jotted down in a notebook, it could be a conversation with a co-worker or colleague, or it could be an Internet search that finds a scholarly technical article, etc.
One World, One Industry: Voting—A Civic Duty and Industry Opportunity
On Tuesday, November 8, more than 240 million people in the United States will have the opportunity to go to the polls and vote, make their voices heard in government, and influence the direction of public policy for years to come. Much of the world is closely watching with interest in this major U.S. election.
All About Flex: Flexible Circuit Prototypes
Most electronic projects begin with at least one build of prototype parts before moving into volume manufacturing. But the definition of a flex circuit prototype can vary considerably from one project to another. In many cases, a prototype build is only a few parts used to verify form, fit and function, with engineering trying to determine if something actually works.
Isola CEO Jeff Waters Shares Insights and Reflections
It’s been eight months since Isola’s Jeff Waters was appointed CEO, marking his transition from the semiconductor space to the PCB industry. At PCB West, Jeff reflected on his first impressions of the PCB industry and how Isola continues to adopt changes in its manufacturing strategy and product development with a plan to become the industry leader with a global, competitive presence.
Geek-A- Palooza: Get Your Geek On in Minnesota!
If you haven’t been to Geek-A-Palooza yet, you may just get a chance, because the social networking event could be coming to your city in the near future. Barry Matties met with founder Tara Dunn following the most recent Boston event, to learn more about Geek-A-Palooza and why the laid-back atmosphere is beneficial for both the sponsors and the attendees.
Institute of Circuit Technology Hayling Island Seminar 2016
In recent years, the Hayling Island Seminar has become established as the most popular date on the Institute of Circuit Technology calendar and, as expected, the 2016 event attracted a large gathering of industry professionals to the south coast of England to share knowledge and experience and to discuss current developments.
This month, I was a guest at the High Density Packaging Users Group (HDPUG) meeting in Nashville, Tennessee. The consortium, composed of more than 50 companies (small and large) in the electronics packaging supply chain, conducts projects to solve real world problems or develop data for product parameters, package/component life, and production processing.
EIPC Reliability Workshop, Tamworth, UK, September 22, 2016
EIPC’s reliability workshop, presented in cooperation with Amphenol Invotec, attracted a capacity audience from eight countries—some delegates having travelled from as far away as Russia—to take the opportunity to learn first-hand how to meet OEM, ODM and EMS product quality and safety requirements, and to understand how interconnection stress testing techniques could be applied to determine the reliability of multilayer PCBs.
Happy’s Essential Skills: Recruiting and Interviewing
Hopefully, your career has progressed to the point that you are empowered to recruit your own team or a key person for your team. There are always technical people looking for better jobs, but many times, the most talented are busy doing their work and not looking for a new opportunity.
A Day with Pete (Starkey)
Usually the one conducting the interviews, I-Connect007’s own Pete Starkey recently found himself on the other side of the microphone when I spent time with him in his hometown of Market Bosworth, England. There, between hiking and gardening, we found time to discuss Pete’s rich history in the PCB industry and the many changes and surprises he’s seen in the manufacturing process over the years.
Designers Notebook: Specifying Lead-Free Compatible Surface Finish and Coating for Solderability and Surface Protection
A majority of the components furnished for electronic assembly are designed for solder attachment to metalized land patterns specifically designed for each device type. Providing a solder process-compatible surface finish on these land patterns is vital; however, selection of the surface finish on the circuit structure, whether plated or coated, can be greatly influenced by the components’ terminal metalization and the specific alloy composition used for the assembly process.
Laser Pointers: Special Edition—Those Five Words I Didn’t Expect to Hear
I’m going to hijack the column this month for kind of a public service announcement regarding a topic that hit very close to home for me, and it may well hit home for others.
On February 18, 2016, I heard the words, “Mike, you have bladder cancer.”
EIPC Summer Conference 2016, Day 2: Strategies to Maintain Profitability in the European PCB Industry
Delegates awoke to a gloomy Scottish morning on the second day of the EIPC Summer Conference 2016. One or two who maybe overindulged in the whisky on the previous evening had some difficulty in finding time for breakfast before the conference proceedings, but the atmosphere in the meeting room was brighter than the weather outside, as Professor Martin Goosey introduced the day’s programme.
IPC President John Mitchell Discusses IPC's Footprint in China
At the Capital Club in Beijing, IPC’s president John Mitchell met with I-Connect007’s Edy Yu to discuss the current activites of IPC China. Some of the topics covered included the growing China membership, training, trade shows and IPC China’s standards development effort.
EIPC Summer Conference 2016, Day 1: Strategies to Maintain Profitability in the European PCB Industry
Resplendent in the kilt, EIPC chairman Alun Morgan welcomed a large and enthusiastic gathering of printed circuit professionals from all over Europe and as far afield as the USA, Canada and Russia, to the EIPC Summer Conference 2016 in Edinburgh, Scotland's cosmopolitan capital city.
Institute of Circuit Technology Annual Symposium
On June 1, Technical Director Bill Wilkie introduced the 42nd Annual Symposium of the Institute of Circuit Technology, at the Motorcycle Museum in Birmingham, UK, commenting upon the success of the recent Foundation Course and acknowledging the sterling efforts of his course tutors, although recognising that some of his longest-standing experts were now retiring.
Global Technology Development: HDP User Group European Meeting 2016
Delighted and honoured to be invited again to attend the open session of the High Density Packaging User Group (HDPUG) European Meeting, I made my way to the picturesque Grand Duchy of Luxembourg, a tiny principality bordered by Belgium, France and Germany, and ranked among the world's top-three nations in both wealth and wine consumption, to learn about the latest in collaborative research and development by member companies engaged in the manufacture of products utilising high-density electronic packages.
IMPACT Washington, D.C. 2016: Industry Leaders Advocate for a Pro-Manufacturing Policy Agenda
IPC places a high priority on educating government officials about key policy issues of importance to the electronics industry. That’s why top executives from leading electronics companies gathered in Washington, D.C. recently for “IMPACT Washington, D.C. 2016.”
Stepping up to Laser Processing for Flex, Part 3: Readiness and Site Preparation
With so many processes to keep track of in a flex manufacturing line, it can be easy to get lost in the details and begin to rely on your suppliers to address any issues that might crop up. However, given that laser processing equipment and flex materials are both impacted by your facilities, your attention to and investment in clean, stable, and robust facilities and support equipment will quickly pay off in less downtime, higher yield, and—perhaps most importantly—fewer headaches!
Beyond FR-4: High-Performance Materials for Advanced Designs, Part 1
In the past 40-plus years of PCB manufacturing, the primary material of choice has overwhelmingly been e-glass supported FR-4 resin laminates. This is due to the excellent dimensional stability and reasonably acceptable thermal performance (based on glass transition temperature [Tg] and decomposition temperature [Td]). In general, these materials exhibit impressive performance and excellent cost for a wide range of applications.
All About Flex: Imaging Methods for Etch Resist, Part 1
Imaging is a major process step in creating a copper circuit or flexible PCB. In single-sided circuit fabrication, the imaging process creates the resist pattern that protects the copper from the etchant. It is critical that this pattern precisely define the circuit traces, as issues with imaging will transfer to the subsequent processes.
Designers Notebook: Flexible and Rigid-Flex Circuit Design Principles, Part 5
The outline profile of the flexible circuit is seldom uniform. One of the primary advantages of the flexible design is that the outline can be sculpted to fit into very oblique shapes. This month, Vern Solberg focuses on outline planning, physical reinforcement, and accommodating bends and folds in flexible and rigid-flex circuits.