Photosensitive coating composition and the use thereof for prote

Details Photosensitive coating composition and the use thereof for prote Photosensitive coating composition and the use thereof for prote

1984-01-23

1985-10-01

Kittle, John E.

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Radiation sensitive composition or product or process of making

430273, 430311, 430935, 430325, 430330, 20415914, G03C 168, G03C 516

Patent

active

045446237

ABSTRACT:
Uniform protective coatings, particularly solder resist masks, on printed circuit boards can be produced with coating compositions having a viscosity of 200 to 700 m Pas at 25.degree. C. and comprising a solution of a photosensitive, thermally curable, lacquer-forming substance, wherein there is additionally uniformly dispersed 5 to 50% by weight of a finely divided filler.

REFERENCES:
patent: 3721617 (1973-03-01), Watt
patent: 4074008 (1978-02-01), Green
patent: 4230793 (1980-10-01), Losert et al.
patent: 4237216 (1980-12-01), Skarvinko
patent: 4479990 (1984-10-01), Dixon et al.

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