Dry photosensitive film containing crosslinked beads

Details Dry photosensitive film containing crosslinked beads Dry photosensitive film containing crosslinked beads

1985-07-19

1986-07-22

Brammer, Jack P.

Radiation imagery chemistry: process, composition, or product th

Stripping process or element

Forming nonplanar image

430260, 430271, 430273, 430281, 430311, 430325, 430314, 430905, G03C 1112

Patent

active

046019707

ABSTRACT:
Photosensitive coating composition consisting essentially of an ethylenic unsaturated compound, a photoinitiator or photoinitiator system, an organic polymeric binder, discrete, substantialy nonswellable, nonagglomerating, crosslinked beads, 0.1 to 4.0 .mu.m in average diameter size, at least 90% of the beads by population below 6.0 .mu.m, as defined and a solvent for the binder. The crosslinked beads can be present in positive-working systems. Preferred beads are trimethylolpropane triacrylate. The coating composition can be dried quickly into the form of a film which is useful as a dry film photoresist.

REFERENCES:
patent: 3148064 (1964-09-01), Rauner et al.
patent: 3615448 (1971-10-01), Yeshin
patent: 3825430 (1974-07-01), Kurka
patent: 4186069 (1980-01-01), Muzyczko et al.
patent: 4276366 (1981-06-01), McCartin et al.
patent: 4289071 (1981-09-01), Hallman et al.
patent: 4414278 (1983-11-01), Cohen et al.

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