Composite, mask-forming, photohardenable elements

Details Composite, mask-forming, photohardenable elements Composite, mask-forming, photohardenable elements

1976-04-22

1978-11-21

Kimlin, Edward C.

Gas separation: apparatus

Electric field separation apparatus

Electrode retaining or supporting means

96 351, 96 383, 96 67, G03C 184, G03C 500

Patent

active

041264665

ABSTRACT:
A composite, photohardenable element comprising in intimate surface contact (a) a resist layer, photohardenable by exposure to actinic radiation and; (b) a soluble layer comprising a macromolecular organic polymer and at least one ultraviolet absorbent dye or pigment. In the preferred elements, the layers are disposed between and adherent to a cover sheet and a support film, respectively.

REFERENCES:
patent: 2760863 (1956-08-01), Plambeck
patent: 3674492 (1972-07-01), Goldrick et al.
patent: 3730717 (1973-05-01), Chu et al.
patent: 3744904 (1973-07-01), Loprest et al.
patent: 3877810 (1975-04-01), Feldstein

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