Coating processes – Electrical product produced – Integrated circuit – printed circuit – or circuit board
Patent
1983-10-14
1985-05-07
Smith, John D.
Coating processes
Electrical product produced
Integrated circuit, printed circuit, or circuit board
156668, 427 98, 427306, 427307, H05K 342, H05K 346
Patent
active
045158290
ABSTRACT:
Compositions and process for the plating of through-holes in an epoxy printed circuit board base material in the manufacture of printed circuit boards. The treatment process is designed to increase adhesion between the epoxy board material and a subsequently deposited metal plate. The process is characterized, in part, by the use of an activated permanganate solution.
REFERENCES:
patent: 4054693 (1977-10-01), Leech
patent: 4425380 (1984-01-01), Nuzzi
Bonetti William F.
Couble Edward C.
Deckert Cheryl A.
Goldberg Robert L.
Shipley Company Inc.
Smith John D.
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