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Current IssueInner Layer Precision & Yields
In this issue, we examine the critical nature of building precisions into your inner layers and assessing their pass/fail status as early as possible. Whether it’s using automation to cut down on handling issues, identifying defects earlier, or replacing an old line...
Engineering Economics
The real cost to manufacture a PCB encompasses everything that goes into making the product: the materials and other value-added supplies, machine and personnel costs, and most importantly, your quality. A hard look at real costs seems wholly appropriate.
Alternate Metallization Processes
Traditional electroless copper and electroless copper immersion gold have been primary PCB plating methods for decades. But alternative plating metals and processes have been introduced over the past few years as miniaturization and advanced packaging continue to develop.
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FCCL Maker Taiflex Sees Earnings Hit 4-year Low in 2016
March 3, 2017 | DigitimesEstimated reading time: Less than a minute
Flexible copper clad laminate (FCCL) maker Taiflex Scientific saw its net profits decline 20.6% year-on-year to NT$580 million ($18.86 million) in 2016, the lowest level in four years, according to a Digitimes report.
A loss of NT$216 million incurred from foreign exchange transactions, as well as a decline of 2.6pp in gross margin to 18.4% in 2016, contributed to the decreased earnings, the company said.
Suggested Items
BOOK EXCERPT: The Printed Circuit Designer’s Guide to... High Performance Materials, Chapter 4
01/02/2025 | I-Connect007In Chapter 4, Michael Gay discusses the two main types of copper foil used for PCB boards today: electrodeposited (ED) foil and rolled annealed (RA) foil. He also explains the pros and cons of each, and provides an update of the latest innovations in copper foil technology.
Trouble in Your Tank: Materials for PWB Fabrication—Drillability and Metallization
07/16/2024 | Michael Carano -- Column: Trouble in Your TankLaminate materials are the building blocks on which printed circuit boards are manufactured. Circuit board designers rely on the critical electrical properties of the materials to design the interconnects, and with the drive toward IoT (internet of things), autonomous driving, and virtual and augmented reality, material properties take on a very high level of importance.
Don’t Overconstrain Your Board Materials
07/02/2024 | I-Connect007 Editorial TeamWhen we started planning May’s issue, which centers on the use of traditional laminates in certain high-frequency PCBs, we knew we had to interview Kris Moyer and Ed Kelley together. Kris teaches advanced PCB design classes for IPC, and Ed is the former CTO of Isola and founder of Four Peaks Innovation. What ensued was a wide-ranging discussion on the evolution of “standard” PCB laminates and the recent trend by some OEMs to use these materials in high-frequency and even RF boards.
Underconstraining Your Materials? Leave It to the Experts
05/30/2024 | I-Connect007 Editorial TeamWith traditional laminates now sporting improved resin systems, some OEMs are choosing various flavors of FR-4 instead of high-speed laminates for their high-speed designs—even RF applications. Avoiding overconstraining your materials in high-speed products can lead to considerable cost savings, not to mention a more streamlined trip through fabrication.
The Shaughnessy Report: Unlock Your High-speed Material Constraints
05/15/2024 | Andy Shaughnessy -- Column: The Shaughnessy ReportThe world of PCB materials used to be a fairly simple one. It was divided into two groups: the “traditional” laminates, often called FR-4, and the high-speed laminates developed especially for high-speed PCBs. These were two worlds that usually didn’t collide. But then traditional laminates started getting better, and high-speed designers and design engineers took notice and started to reconsider what FR-4 could be used for.