Coating processes – Nonuniform coating – Applying superposed diverse coatings or coating a coated base
Patent
1977-11-01
1979-04-17
Powell, William A.
Coating processes
Nonuniform coating
Applying superposed diverse coatings or coating a coated base
96 362, 96 384, 156645, 156668, 204 32S, 427430A, 427 92, 427282, 427306, 427307, 427322, B05C 302, B44D 106, C03C 1700, C03C 2100
Patent
active
041501772
ABSTRACT:
A method of selectively nickeling a layer of polymerized polyester resin is described. Patterns of electrically conducting nickel are produced on the resin surface by etching the surface of the resin prior to covering the etched surface with a patterned layer of unetched resin which exposes the etched resin in the regions in which metallization is to occur. A palladium plating solution followed by an immersion boron-nickel bath provide the metalization on the etched regions of the resin.
REFERENCES:
patent: 3481777 (1969-12-01), Spannhake
patent: 3507681 (1970-04-01), Cooper
patent: 3573973 (1971-04-01), Drotar et al.
patent: 3640765 (1972-02-01), Distefano et al.
patent: 3672925 (1972-06-01), Feldstein
Burke Robert L.
Guditz Elis A.
Massachusetts Institute of Technology
Powell William A.
Santa Martin M.
Smith, Jr. Arthur A.
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