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Current IssueThe Hole Truth: Via Integrity in an HDI World
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.
In Pursuit of Perfection: Defect Reduction
For bare PCB board fabrication, defect reduction is a critical aspect of a company's bottom line profitability. In this issue, we examine how imaging, etching, and plating processes can provide information and insight into reducing defects and increasing yields.
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We take the pulse of the PCB industry by sharing insights from leading fabricators and suppliers in this month's issue. We've gathered their thoughts on the new U.S. administration, spending, the war in Ukraine, and their most pressing needs. It’s an eye-opening and enlightening look behind the curtain.
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Flex Talk: Flex Material Handling—An Inside Peek
As increasingly more designs move to flexible materials to take advantage of space, weight or packaging benefits, it has been clear that flexible circuits require a different set of rules than their rigid counterparts. We spend substantial time working through the design to ensure that he flex is as robust as possible. We also spend quite a bit of time on material selection, again to ensure that the flexible circuit withstands the flexing that will be required and performs properly in the end environment.
One thing we do not often talk about is what happens behind the scenes during the fabrication and assembly of the flexible circuit. What types of special handling considerations are in place throughout the manufacturing process to accommodate these thin materials? When you are auditing a potential new supplier, what should you be asking about and looking for in their procedures?
Undoubtedly, the largest source of defects in flexible circuit manufacturing can be traced back to material handling. Drawing from my own knowledge and soliciting the expertise of several industry veterans involved in flex circuit manufacturing—David Moody with Lenthor Engineering, Anaya Vardya with American Standard Circuits, Jim Barry with Eltek, and Mike Vinson with Averatek—I have put together an insider’s view of the nuances involved in manufacturing flexible circuits.
To read the full version of this article which appeared in the March 2017 issue of The PCB Magazine, click here.
More Columns from PCB Talk
PCB Talk: Is DWM Just Another Buzzword?PCB Talk: Burning Questions About Designing for SAP
PCB Talk: SAP—Changing the Way You Look at PCB Design
PCB Talk: SAP Evaluating From Design Perspective
PCB Talk: Creative Minds Pushing Boundaries
PCB Talk: Additive Electronics—Are You One of the Curious?
PCB Talk: Collaboration To Shorten the Learning Curve
PCB Talk: A Review of Additive Electronics