Coating processes – Electrical product produced – Welding electrode
Patent
1976-06-01
1977-12-20
Smith, Ronald H.
Coating processes
Electrical product produced
Welding electrode
29424, 29625, 96 351, 96 364, 96115P, 427 54, 427 88, 427 92, 427 96, 427259, 427282, 427431, B05D 306
Patent
active
040642879
ABSTRACT:
Highly durable coatings are formed by the photopolymerization of screen printing inks containing aryloxyalkyl acrylate monomers or prepolymers, a polymerizable diluent and a free-radical initiating system, such inks having a viscosity of 5,000 to 200,000 centipoises and a thixotropic index of from 1 to 6. The photopolymerizable inks are useful for coating substrates, such as printed circuits, and serve as solder masks and resists for electroless plating, electroplating and etching.
Custer Walter D.
Gilano Michael N.
Knoth Dale W.
Lipson Melvin A.
Dynachem Corporation
Konopacki Dennis C.
Marcus Stanley A.
Smith Ronald H.
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