H - Electricity – 05 – K
Patent
H - Electricity
05
K
356/12, 95/94.4
H05K 3/00 (2006.01) G03C 5/02 (2006.01) G03F 1/00 (2006.01) H05K 3/10 (2006.01)
Patent
CA 1232972
510-02071 ABSTRACT OF THE DISCLOSURE A photograph artwork containing a one to one scale exact image of the circuit pattern to appear on a fabricated printed-wiring board is modified in a predetermined manner. This has the effect of equalizing the amount of metallic conductive circuits on a double sided printed wiring board or panel. The resulting board or panel is plated uniformly on both sides when passed through the electrodeposition cycle of a fabrication process.
491376
Doherty John P.
Dufour David L.
Gebo Russell E.
Sullivan Michael J.
Honeywell Information Systems Inc.
Smart & Biggar
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