Color cathode ray tube and water resistant glass frit

Details Color cathode ray tube and water resistant glass frit Color cathode ray tube and water resistant glass frit

1998-08-28

2000-12-19

Day, Michael H.

Electric lamp and discharge devices

Cathode ray tube

Envelope

501 17, 501 21, 428426, H01J 3100

Patent

active

06163106&

ABSTRACT:
A color cathode ray tube having a panel glass and a funnel glass sealed with a composition comprising a low melting glass containing PbO as the main component, wherein the sealed portion is such that the weight reduction after being immersed in water at 90.degree. C. for 20 hours, is at most 1 mg/cm.sup.2, and the weight reduction after being immersed in a 10% nitric acid solution at 40.degree. C. for 20 minutes, is from 80 to 700 mg/cm.sup.2.

REFERENCES:
patent: 5346863 (1994-09-01), Hikata et al.
patent: 5534469 (1996-07-01), Hayashi
Derwent Abstracts, AN 96-235780, JP 8091872, Apr. 9, 1996.
Derwent Abstracts, AN 96-235778, JP 8091870, Apr. 9, 1996.
Derwent Abstracts, AN 96-016954, JP 7291657, Nov. 7, 1995.
Derwent Abstracts, AN 78-55797A, JP 53072029, Jun. 27, 1978.

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