Face plate for color pick-up tube

Details Face plate for color pick-up tube Face plate for color pick-up tube

1974-11-15

1978-08-15

Segal, Robert

Electric lamp and discharge devices

Cathode ray tube

Image pickup tube

358 46, H01J 3146

Patent

active

041075684

ABSTRACT:
A face plate for a color pick-up tube which comprises a transparent substrate, stripe-like color filters formed on the transparent substrate, a protection layer deposited so as to cover the stripe color filters and the exposed portions of the transparent substrate, stripe-like transparent electrodes formed on predetermined portions of the protection layer, a photoconductive layer, bus bar electrodes and an insulation layer.
The insulation layer and the protection layer are, respectively, formed of different materials which have different resistances to an etching solution, whereby the stripe-like filters are protected from the adverse influence of the etching solution used to form the insulation layer by a photoetching treatment.

REFERENCES:
patent: 2813989 (1957-11-01), Weimer
patent: 2937100 (1960-05-01), Oldfield et al.
patent: 3085887 (1963-04-01), Labino et al.
patent: 3772552 (1973-11-01), Kubota
patent: 3795523 (1974-03-01), Moriya et al.
patent: 3912962 (1975-10-01), Nobutoki
patent: 3927340 (1975-12-01), Suzuki
patent: 3928160 (1975-12-01), Nobutoki

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