Radiation imagery chemistry: process – composition – or product th – Radiation modifying product or process of making – Screen other than for cathode-ray tube
Patent
1984-10-12
1986-01-21
Kittle, John E.
Radiation imagery chemistry: process, composition, or product th
Radiation modifying product or process of making
Screen other than for cathode-ray tube
430321, 430322, 430394, 357 24, G03F 900, G03C 500
Patent
active
045657564
ABSTRACT:
A color filter having filter elements respectively passing light of the colors red, green and blue is provided on a semiconductor image sensor which comprises a system of photosensitive elements. The filter elements are separated by grooves which eliminate the running of dye liquid during dyeing the various systems of filter elements and which hence eliminate color defects. Instead of grooves, the filter elements may also be separated by regions which have been converted into a structure which is substantially impervious to liquid. The color filters may also be used in a vidicon-type camera tube for imaging color pictures.
REFERENCES:
patent: 3978512 (1976-08-01), Hoeberechts
patent: 4001878 (1977-01-01), Weimer
patent: 4081277 (1978-03-01), Brault et al.
patent: 4315978 (1982-02-01), Hartman
patent: 4345021 (1982-08-01), Ogawa et al.
patent: 4412236 (1983-10-01), Sasano et al.
patent: 4419425 (1983-12-01), Ogawa et al.
Blok Lodewijk
Needs Howard C.
Dees Jos,e G.
Kittle John E.
Schechter Marc D.
U.S. Philips Corporation
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