Manufacturing method of stripe filter

Radiation imagery chemistry: process – composition – or product th – Radiation modifying product or process of making – Screen other than for cathode-ray tube

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430293, 430294, G03C 500

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active

043830170

ABSTRACT:
A method of manufacturing a stripe filter for optical usages, the method being based on a partially hardening of a liquid colored composition spread on a transparent base plate together with a partially eliminating of portions remaining soluble after the hardening operation, wherein a series of these operations is repeated with said compositions respectively assuming different colors.

REFERENCES:
patent: 1805361 (1931-05-01), Dufay
patent: 2007282 (1935-07-01), Muller
patent: 3130050 (1964-04-01), Schwerin
patent: 3258337 (1966-06-01), Cousins
patent: 3623880 (1971-11-01), Sannella et al.
patent: 3954468 (1976-05-01), Lewis et al.
patent: 4311773 (1982-01-01), Kaneko et al.
Research Disclosure, Item No. 19420, Jun. 1980.

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