| November 19, 2025
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What can you do when you find solder mask covering some part of a circuit board where you don't want it? It's certainly not unusual to find test points, ground pads, or even a component footprint inadvertently covered with solder mask. But all is not lost! Several safe and reliable ways exist to remove solder masks from the circuit board surface. Grinding, scraping, milling, microblasting, and chemical ...
Feature Story
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We are a small electronics design company setting up an assembly line for small-volume production. Would we see a difference in manufacturing-process reliability between 5-zone and 8-zone ovens?
Ask the Experts
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Circuit Technology Center has released updated procedures for electronic component reclamation, covering everything from leadless and radial-lead parts to BGAs. As circularity gains importance, the company leads efforts to extend component life through efficient, reliable reuse.
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This paper focuses on practices and innovative solutions to successfully repair these miniaturized, sensitive, and often fragile components ...
Tech Paper
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We've all heard of via in pad, blind vias, and even buried vias, but have you ever experienced the "via to nowhere" phenomenon? Well, here's how it goes. We received a distress call from a customer who found they were missing ten vias on their now-populated circuit boards. The vias ...
Feature Story
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"Thanksgiving has some wonderful smells. My favorite is the smell of car exhaust as our relatives drive back home."
Copyright © Randy Glasbergen
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Trivia
List these inventions in chronological order: Submarine, Helicopter, Tank
See the answer below.
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Quote of the Week
"Good questions outrank easy answers."
Paul Samuelson
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