Radiation imagery chemistry: process – composition – or product th – Producing cathode-ray tube or element thereof – With light-absorbing matrix on faceplate
Patent
1980-03-06
1981-04-21
Newsome, John H.
Radiation imagery chemistry: process, composition, or product th
Producing cathode-ray tube or element thereof
With light-absorbing matrix on faceplate
427 431, 427 541, 427 68, 430 28, B05D 306
Patent
active
042633850
ABSTRACT:
A method for the manufacture of multi-colored microlithographic displays especially fluorescent screens for cathode ray tubes is provided in which a film of a positive phototackifiable polyacetylene sulfone polymer is applied to the substrate of the display. The film is then exposed in predetermined areas with a sufficient amount of radiation to tackify the exposed areas. The exposed areas are then contacted with a pigment or phosphor which is desired to be applied to the exposed area and it selectively adheres to the exposed areas. The exposure and dusting are repeated for each application of different color pigments, toners or phosphors.
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Marvel et al., "Journ. Am. Chem. Soc.", vol. 61, Oct. 1939, pp. 2710-2714.
Ryden et al., "Journ. Am. Chem. Soc.", vol. 58, Oct. 1936, pp. 2047-2050.
Morris Birgit E.
Newsome John H.
RCA Corporation
Sites Edward J.
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