Electricity: conductors and insulators – Conduits – cables or conductors – Preformed panel circuit arrangement
Patent
1995-11-06
1999-12-07
Kincaid, Kristine
Electricity: conductors and insulators
Conduits, cables or conductors
Preformed panel circuit arrangement
361772, 361777, 428209, H05K 103
Patent
active
059987391
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. A circuit board is thereby formed having an insulating material substrate and a conductor formed thereon.
REFERENCES:
patent: 4853277 (1989-08-01), Chant
Hogg William N.
International Business Machines - Corporation
Kincaid Kristine
Patel Dhiru R
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