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
1986-04-18
1988-08-02
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, 430287, 522 93, 522 96, 522 97, 522 98, G03C 170
Patent
active
047613637
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: 4228232 (1980-10-01), Rousseau
patent: 4442198 (1984-04-01), Tsao et al.
Hung Paul L. K.
Tseng Kenneth K. S.
Bright R. E.
Hamilton Cynthia
M&T Chemicals Inc.
Marcus S. A.
Michl Paul R.
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