Cathode-ray tube having getter spring therein

Details Cathode-ray tube having getter spring therein Cathode-ray tube having getter spring therein

1996-02-21

1998-11-03

O'Shea, Sandra L

Electric lamp and discharge devices

Cathode ray tube

Envelope

313461, 313477R, H01J 3100, H01J 2910

Patent

active

058313818

ABSTRACT:
A flat cathode-ray tube includes a three-component structure of a front panel, a screen panel, and a funnel which are jointed by frit paste. The funnel is inwardly projected from the front panel and the screen panel in the horizontal direction to form a level-difference portion for storing fused frit over the whole inner periphery of the joint surface, whereby occurrence of defected sealing can be decreased, and occurrence of resultant air leakage can be decreased.

REFERENCES:
patent: 4339694 (1982-07-01), Ohkoshi et al.
patent: 4588430 (1986-05-01), Sumiyoshi et al.
patent: 4754190 (1988-06-01), Hinotami et al.
patent: 5493172 (1996-02-01), Kouno et al.
patent: 5656885 (1997-08-01), Kohno et al.

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