Gas panel seal glass

Details Gas panel seal glass Gas panel seal glass

1983-06-21

1984-10-23

Bell, Mark

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501 32, C03C 312

Patent

active

044789475

ABSTRACT:
A non-crystallizing sealing glass composition is described consisting essentially of from about 75.50 to 84.00 wt. % lead oxide, from about 11.25 to 14.25 wt. % boron oxide, an additional component selected from the group consisting of up to 3.10 wt. % zinc oxide and up to 9.33 wt. % bismuth oxide; other compositions could include up to 0.88 wt. % tin oxide, and up to 1.51 wt. % germainium oxide. The glass compositions include .beta.-eucryptite in an amount sufficient to provide a coefficient of expansion of about 83.5 to 71.5.times.10.sup.-7 .degree. C..sup.-1 (about 13.5 to 17.0 wt %); the glass is particularly useful in sealing a gas panel.

REFERENCES:
patent: 1607817 (1926-11-01), Dennis
patent: 3250631 (1966-05-01), Lusher
patent: 3907585 (1975-09-01), Francel et al.
patent: 3951669 (1976-04-01), Malmendier et al.
patent: 3954486 (1976-05-01), Francel et al.
patent: 4006028 (1977-02-01), Nofziger
patent: 4115132 (1978-09-01), Suzuki et al.
patent: 4186023 (1980-01-01), Damesmil et al.
patent: 4310357 (1982-01-01), Matsuura et al.
Takamori, T., "Solder Glasses", Treatise on Material Science & Technology, vol. 17, pp. 233-236, Academic Press, 1979.

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