Relief imaging liquids

Details Relief imaging liquids Relief imaging liquids

1979-12-26

1981-09-22

Downey, Mary F.

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Making electrical device

430281, 430286, 430323, 430325, 430327, 430494, G03C 500

Patent

active

042911184

ABSTRACT:
A method of relief imaging liquids, particularly in manufacturing circuit boards, by providing a film of liquid photopolymer, solidifying the liquid by chemical hardening using actinic light, then pattern exposing the solidified film to actinic light to differentially chemically condition the film and then removing the portions of the film not exposed to the patterened exposure of actinic light. Also the product produced by the method.

REFERENCES:
patent: 3144331 (1964-08-01), Thommes
patent: 3520606 (1970-07-01), Gush et al.
patent: 3600243 (1971-08-01), La Rocque et al.
patent: 3661660 (1972-05-01), Wessells et al.
patent: 3661744 (1972-05-01), Kehr et al.
patent: 3859091 (1975-01-01), Wessells et al.
patent: 3936301 (1976-02-01), Schneider
patent: 4145790 (1979-03-01), Wessells et al.
"Introduction to Photofabrication using Kodak Photosensitive Resists", pp. 18, 19, 22, 28, 29, 1966.

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