Coating processes – With pretreatment of the base – Preapplied reactant or reaction promoter or hardener
Patent
1974-05-08
1976-06-08
Kendall, Ralph S.
Coating processes
With pretreatment of the base
Preapplied reactant or reaction promoter or hardener
106 1, 427305, 427306, C23C 302
Patent
active
039624943
ABSTRACT:
A process for the production of metallized bodies, such as printed circuits, dials, nameplates, metallized plastics, glass, ceramics and the like, comprising treating a base with a composition comprising a metal salt reducible to catalytically active metal nuclei and a secondary reducing agent, and thereafter exposing the base to a primary chemical reducing agent to produce a layer of metal nuclei on the surface of the base. Exposing the sensitized base to an electroless metal deposition solution causes electroless metal to deposit on the nuclei.
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brenner, "Electroless Plating Comes of Age" Metal Finishing, Dec., 1954.
Kendall Ralph S.
Photocircuits Division of Kollmorgan Corporation
Smith John D.
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