CRT with internal neck coating of crystalline tin oxide for supp

Details CRT with internal neck coating of crystalline tin oxide for supp CRT with internal neck coating of crystalline tin oxide for supp

1982-11-23

1985-05-21

Demeo, Palmer

Electric lamp and discharge devices

Cathode ray tube

Envelope

427 64, A01J 2988, B05D 512

Patent

active

045188939

ABSTRACT:
CRT (cathode-ray tube) comprises an evacuated glass envelope, an electron-gun mount assembly housed in the envelope, the electrodes of said envelope being confined by closely-spaced glass surfaces, and a smooth, electrically-conductive coating of tin oxide on said glass surfaces opposite electrodes of said mount assembly. The electrically-conductive coating is electrically floating and, preferably, is a substantially-continuous circumferential band on the inner surface of the neck of the CRT.

REFERENCES:
patent: 3138734 (1964-06-01), Lineweaver
patent: 3355617 (1967-11-01), Schwartz et al.
patent: 3758802 (1973-09-01), Kubo et al.
patent: 3979632 (1976-09-01), Gunning et al.
patent: 4249107 (1981-02-01), Kilichowski
patent: 4265974 (1981-05-01), Gordon
patent: 4285990 (1981-08-01), Hernqvist

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