Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Radiation sensitive composition or product or process of making
Patent
1987-02-12
1989-07-18
Michl, Paul R.
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Radiation sensitive composition or product or process of making
430286, 430311, 430312, 430 18, 522 96, 522 93, 428209, 428195, 4284258, 4284231, G03C 170
Patent
active
048493210
ABSTRACT:
A composition including a mixture of UV curable urethane acrylate and a urethane diacrylate compounds provides an aqueous alkaline developable, flexible solder mask having excellent electrical insulation resistance under hydrolytic testing conditions at elevated temperatures.
REFERENCES:
patent: 4283480 (1981-08-01), Davies et al.
patent: 4304923 (1981-12-01), Rousseau
Hung Paul
Tseng Kenneth
Hamilton Cynthia
Henn R. B.
M&T Chemicals Inc.
Marcus S. A.
Michl Paul R.
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