Process for the production of printed circuit boards

Details Process for the production of printed circuit boards Process for the production of printed circuit boards

G - Physics

03

C

356/1, 96/266

G03C 5/26 (2006.01) C23C 18/16 (2006.01) C23C 18/28 (2006.01) H05K 3/18 (2006.01) H05K 3/38 (2006.01)

Patent

CA 1277534

Process for the production of printed circuit boards Abstract An elegant method for the production of printed circuit boards possessing good electrical and mechanical properties comprises activating baseplates with a solu- tion of complex compounds of elements of sub-group I or VIII of the periodic table, then applying a resist layer, exposing this partially according to a resist pattern, dissolving away the covered parts of the resist layer with a solvent, and metallising the bared parts in a wet- chemical metallisation bath in the absence of a current.

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