Circuit board and fabrication method thereof

Details Circuit board and fabrication method thereof Circuit board and fabrication method thereof

1998-03-25

2000-04-11

Gulakowski, Randy

Etching a substrate: processes

Forming or treating electrical conductor article

174255, H01B 1300, B44C 122

Patent

active

060484659

ABSTRACT:
Short circuiting in printed circuit boards made by processes in which a continuous metal layer applied by electroless deposition is etched to form the conductor pattern is eliminated by subjecting the board to an oxidation treatment after etching but before removal of the etching agent.

REFERENCES:
patent: 4853277 (1989-08-01), Chant
patent: 4874635 (1989-10-01), Karas et al.

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