You can use a burnishing pen, scratch brush, or fiberglass pen. It looks like an eraser pen but has fiberglass brush bristles come out. It’s much more precise, gentle, and safe than a knife, dremel, or sandpaper. Just pretend it’s an eraser. Normally used to scrape away oxidiation and rust.
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#PCB Assembly
I design a PCB file for samples and send it to manufacturer, but the samples can’t work now. We are trouble shooting the reason now. What are the common reasons you have met in a wrong PCB?
Last week, I visit a PCBA manufacturer for our new project. They not only introduce in-circuit tester but also flying probe tester, which can both ensure the quality level. So, Why does the manufacturer use a flying probe tester when they already have an in-circuit tester?
I recently purchased LEDs on ebay that were supposed to come attached to star PCB (as a heat sink). The items I received are just the LEDs (no PCB). They are listed as 3W LEDs, with a forward voltage of 3.0-3.4V, and current at 700mA.Will I damage/destroy the LEDs if I use them without a heat sink? If not, what is the best way to mount these to preserve their life during operation?
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