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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.
In Pursuit of Perfection: Defect Reduction
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Patty's Perspective: From Start to Finish
April 26, 2019 | Patty Goldman, I-Connect007Estimated reading time: 1 minute

I could also say, "From Beginning to End," though that is not quite the same meaning. Our topic this month is "From Design Through Final Product" as it pertains to flexible and rigid-flex circuits. Because designing a circuit to fit in the envisioned space and perform as intended can be far from simple or obvious—but you already know that. In fact, not being a designer, I can’t imagine designing a simple circuit, let alone one that must bend or fold into a shape and space that may be just an idea in an inventor’s mind.
But of course, it is done every day by many of our readers. Is it easy for you? Our goal in this issue is to provide insights into how best to accomplish the seemingly daunting task—and with a new and different design each time. A lot of it boils down to one factor: work with your supplier and customer. You are a team, and you need to think and work together as a team with one goal: an elegantly designed product produced in a reasonable time at a reasonable cost (or at least a reasonable future cost).
Interested in some good advice? Read on!
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Showing Some Constraint: Design007 Magazine July 2025
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Elementary, Mr. Watson: Rein in Your Design Constraints
07/10/2025 | John Watson -- Column: Elementary, Mr. WatsonI remember the long hours spent at the light table, carefully laying down black tape to shape each trace, cutting and aligning pads with surgical precision on sheets of Mylar. I often went home with nicks on my fingers from the X-Acto knives and bits of tape all over me. It was as much an art form as it was an engineering task—tactile and methodical, requiring the patience of a sculptor. A lot has changed in PCB design over the years.
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