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| Your Location£ºHome > News > PCBA-FAQ |
| How to prevent the precipitation of copper oxide of PCB Goldfinger? |
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Improve cleanliness syrup, to prevent impurities eutectoid,
especially precipitation of lead metal.
As long as the surface density of the metal coating is good enough,
basically copper precipitation chance is not high.
Of course, you must also prevent strengthening mutual contamination of water between the finger grooves,
which help to prevent such problems.
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For reprint, please indicate by wwwc.pba.co
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