Method of making a cathode-ray tube having a conductive internal

Details Method of making a cathode-ray tube having a conductive internal Method of making a cathode-ray tube having a conductive internal

1981-07-22

1984-01-10

Hoffman, James R.

Coating processes

Electrical product produced

Fluorescent or phosphorescent base coating

427106, B05D 302, B05D 722, B05D 512, H01J 6302

Patent

active

044253770

ABSTRACT:
In a method of fabricating a cathode-ray tube, a layer comprising graphite, iron oxide, amorphous carbon and silicate binder is deposited on at least a portion of the interior surface of an envelope, the coating is baked in air until the amorphous carbon is substantially entirely gasified, and then the envelope is evacuated of gases and sealed.

REFERENCES:
patent: 3518116 (1970-06-01), Stock et al.
patent: 3532640 (1970-10-01), Scharrer et al.
patent: 3791546 (1974-02-01), Maley et al.
patent: 4041347 (1977-08-01), Deal et al.
patent: 4092444 (1978-05-01), Kilichowski
patent: 4339475 (1982-07-01), Hinosugi et al.
patent: 4379762 (1983-04-01), Chiyoda et al.

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