Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1973-08-13
1976-05-25
Herbert, Jr., Thomas J.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
427 98, 427256, 427287, 427288, 427304, 427305, 427306, 427404, 428210, 428211, B32B 310
Patent
active
039595471
ABSTRACT:
Non-conductive real images are formed on substrates by depositing reducible metal salt compositions thereon and exposing the coated substrates to radiant energy or a chemical reducing agent to reduce the metal salt to metallic nuclei and to produce a real image of metal, which is made clearer and built up by electroless metal deposition. The metal salt composition can either be selectively deposited and then exposed, or uniformly deposited and then selectively exposed, to produce the real image.
REFERENCES:
patent: 3259559 (1966-07-01), Schneble et al.
patent: 3310430 (1967-03-01), Schneble et al.
patent: 3562005 (1971-02-01), De Angelo et al.
patent: 3619285 (1971-11-01), Feldstein
patent: 3650911 (1972-03-01), Lin
patent: 3672925 (1972-06-01), Feldstein
patent: 3672939 (1972-06-01), Miller
Leech Edward J.
Polichette Joseph
Herbert, Jr. Thomas J.
Hess Bruce H.
Photocircuits Division of Kollmorgen Corporation
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