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From the drilled hole to registration across multiple sequential lamination cycles, to the quality of your copper plating, via reliability in an HDI world is becoming an ever-greater challenge. This month we look at “The Hole Truth,” from creating the “perfect” via to how you can assure via quality and reliability, the first time, every time.
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I-Connect007 Editor’s Choice: Five Must-Reads for the Week
December 25, 2020 | Nolan Johnson, I-Connect007Estimated reading time: 2 minutes

We started this week with the solstice. Here in the Northern Hemisphere, it’s the winter solstice; south of the equator, of course, it’s the summer solstice. Not only is this a big event on the astronomical calendar, solstice is a busy time for holy days worldwide. Whichever holiday schedule you follow, we wish that yours is festive, restorative, and full of hopefulness.
All that holiday revelry can certainly distract one’s attention; as evidenced in a much slower news week. As a result, this week’s Top 5 brings you the three most important and/or intriguing pieces of news we’ve covered in the last week, and two items from last week that are still drawing reader attention this week. That’s I-Connect007: Keeping you informed, efficiently.
Enjoy your holiday and Happy New Year!
Prices of Copper-Clad Laminates Continue to Rise
December 18
Recently, two major explosions at epoxy resin plants in China had a great impact on domestic resin suppliers, interrupting the supply of resin and caused prices to increase dramatically. I-Connect007 reports on the market dynamics and effects.
The press release states, “Industry experts believe a five-year, $40 million investment in a public-private R&D program would yield more than $100 million in U.S. defense savings per year and improve military readiness and overall innovation. The Congress provided $5 million for such R&D in FY 2020.”
For more detail, find IPC President and CEO John Mitchell’s article in Defense News titled, “Protecting America’s military prowess requires an embrace of lead-free electronics.”
COMSovereign Delivers First Tethered Drone-Based LTE Network
December 21
Emergency and disaster response teams are a great example for this new LTE mobile network system. Imagine a wildfire command post setting up on a remote hilltop and launching a series of hovering drones to serve as temporary cell towers in an area otherwise outside cell service.
Dr. John Mitchell on IPC APEX EXPO Going Virtual
December 16
In this audio interview, Barry Matties and Dr. John Mitchell discuss IPC’s decision to move IPC APEX EXPO 2021 to an all virtual platform. Mitchell explains the reasoning for going virtual, and expresses his enthusiasm for the opportunities this presents the conference. I-Connect007 will be providing preshow and realtime coverage of IPC APEX EXPO, so check with us often to get the latest.
Happy Holden: ECWC15 Virtual Event a Success
December 15
Few industry experts are as capable as Happy Holden to review the Electronic Circuits World Convention, held recently in Hong Kong. In this report, Happy summarizes the keynotes from the first day of the three-day event. Keynote speakers include: NT Information Ltd’s Dr. Hayoo Nakahara; James Tam, from Bosch; and Happy Holden himself.
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Trouble in Your Tank: Minimizing Small-via Defects for High-reliability PCBs
08/27/2025 | Michael Carano -- Column: Trouble in Your TankTo quote the comedian Stephen Wright, “If at first you don’t succeed, then skydiving is not for you.” That can be the battle cry when you find that only small-diameter vias are exhibiting voids. Why are small holes more prone to voids than larger vias when processed through electroless copper? There are several reasons.
The Government Circuit: Navigating New Trade Headwinds and New Partnerships
08/25/2025 | Chris Mitchell -- Column: The Government CircuitAs global trade winds continue to howl, the electronics manufacturing industry finds itself at a critical juncture. After months of warnings, the U.S. Government has implemented a broad array of tariff increases, with fresh duties hitting copper-based products, semiconductors, and imports from many nations. On the positive side, tentative trade agreements with Europe, China, Japan, and other nations are providing at least some clarity and counterbalance.
How Good Design Enables Sustainable PCBs
08/21/2025 | Gerry Partida, Summit InterconnectSustainability has become a key focus for PCB companies seeking to reduce waste, conserve energy, and optimize resources. While many discussions on sustainability center around materials or energy-efficient processes, PCB design is an often overlooked factor that lies at the heart of manufacturing. Good design practices, especially those based on established IPC standards, play a central role in enabling sustainable PCB production. By ensuring designs are manufacturable and reliable, engineers can significantly reduce the environmental impact of their products.
50% Copper Tariffs, 100% Chip Uncertainty, and a Truce
08/19/2025 | Andy Shaughnessy, I-Connect007If you’re like me, tariffs were not on your radar screen until a few months ago, but now political rhetoric has turned to presidential action. Tariffs are front-page news with major developments coming directly from the Oval Office. These are not typical times. President Donald Trump campaigned on tariff reform, and he’s now busy revamping America’s tariff policy.
Global PCB Connections: Understanding the General Fabrication Process—A Designer’s Hidden Advantage
08/14/2025 | Markus Voeltz -- Column: Global PCB ConnectionsDesigners don’t need to become fabricators, but understanding the basics of PCB fabrication can save you time, money, and frustration. The more you understand what’s happening on the shop floor, the better you’ll be able to prevent downstream issues. As you move into more advanced designs like HDI, flex circuits, stacked vias, and embedded components, this foundational knowledge becomes even more critical. Remember: the fabricator is your partner.