Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1994-07-08
1995-08-01
Ryan, Patrick J.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
428901, B32B 900
Patent
active
054379164
ABSTRACT:
Flexible printed circuits comprising cobalt circuitry electrolessly deposited on an activated ink coating prepared by heating a wet ink comprising a polymer, e.g. a vinyl polymer such as polyvinyl chloride or polyvinyl alcohol or an unsaturated polymer such as polybutadiene, and a Group 1B or 8 compound, e.g. palladium dichloride, which is adapted to drying at room temperature to a catalytically inert ink. Selective areas of the ink activated by application of heat or light are catalytic to electroless deposition of cobalt.
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Brozek James P.
Capistran James D.
Morgan Albert W.
O'Connor, Jr. Michael T.
Kelley Thomas E.
Lee Kam F.
Monsanto Company
Ryan Patrick J.
Wachter Mark F.
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