Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Making electrical device
Patent
1985-03-06
1987-05-19
Kittle, John E.
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Making electrical device
430284, 430327, 430325, 430330, 427 541, 427 531, 427 561, 427 96, 522 96, G03C 516, G03C 174
Patent
active
046668217
ABSTRACT:
A polymer suitable for use as a solder mask comprised of an acrylated or methacrylated polyurethane having terminal alkene unsaturation at each end has been synthesized. This polymer can be a liquid or a hot melt and when in a photopolymerizable composition it is suitable for roller coating or screen printing onto a printed circuit board substrate.
REFERENCES:
patent: 3954584 (1976-05-01), Miyata et al.
patent: 4182830 (1980-01-01), Ford, Jr.
patent: 4188455 (1980-02-01), Howard
patent: 4234676 (1980-11-01), Hein et al.
patent: 4254230 (1981-03-01), Howard
patent: 4260703 (1981-04-01), Hodakowski et al.
patent: 4263366 (1981-04-01), Lorenz et al.
patent: 4283480 (1981-08-01), Davies et al.
patent: 4330657 (1982-05-01), Disteldorf et al.
patent: 4377679 (1983-03-01), Schmidle
patent: 4390662 (1983-06-01), Ando et al.
patent: 4416750 (1983-11-01), Murphy et al.
patent: 4442198 (1984-04-01), Tsao et al.
patent: 4451523 (1984-05-01), Nativi et al.
patent: 4499163 (1985-02-01), Ishimaru et al.
Brewster W. Darlene
Hein Paul R.
Miller Henry C.
Baker William L.
Channing Stacey L.
Hamilton Cynthia
Kittle John E.
W. R. Grace & Co.
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