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| Your Location£ºHome > News > PCBA-FAQ |
| What does mean for pseudo exposed copper on circuit board? |
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PCB pseudo exposed copper surface is covered with green solder mask, but the thickness is very thin, so seemingly exposed copper is not actually exposed, this becomes a so-called pseudo. But this kind of state often cause rupture of the green oil problem in the back of the manufacturing process. because of insufficient strength, and this is potentially dangerous pseudo exposed copper, for your reference.
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