Electronics Forum | Tue Sep 01 02:54:30 EDT 2009 | rocko
Hi davef, In response to your questions: 1) It is a programmable washer designed for the tough demands of industrial applications. There is an integrated forced air dryer with both coarse and HEPA filters. 2) The surface of the PCB panel, the comp
Electronics Forum | Wed Sep 02 02:45:01 EDT 2009 | rocko
Hi All, Let me summarize the key facts and findings: 1) This is not a permanent problem. Only one production batch was affected. The cleaning solution was exchanged and now the cleaning process runs normally. 2) Probably the residues are not ion
Electronics Forum | Fri Sep 28 02:48:46 EDT 2018 | teresat2
Principle A layer of photosensitive material (photosensitive oil or dry film) is applied to the copper foil on the board surface, and PCB manufacturer should be use the position is exposed by black film, This applies to most PCB factories, especially
Electronics Forum | Tue Dec 14 22:17:33 EST 1999 | Dave F
Armin: How ya doin� bud? CK gives good advice, but I'd like to take a bit of a different angle. Q1. For 0.7 mm (0.027in) diameter hole for vias, what�s the minimum annular ring for this hole diameter? Depends on what you�re trying to do. For in
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