Sealing glass

Details Sealing glass Sealing glass

1980-04-21

1981-06-16

Vertiz, O. R.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

C03C 314

Patent

active

042735858

ABSTRACT:
A sealing glass composition having a thermal coefficient of expansion (from room temperature to 300.degree. C.) of about 90.times.10 -7/.degree.C. and a softening temperature of about 406.degree. C. is provided and consists essentially of the following ingredients in the following proportions: PbO, 66%; B.sub.2 O.sub.3, 18%; ZnO, 15%; and Fining Agent, 1%.

REFERENCES:
patent: 3211826 (1965-10-01), Holcomb et al.
patent: 3291586 (1966-12-01), Chapman, Jr. et al.
patent: 3759727 (1973-09-01), Dietz et al.
patent: 3778242 (1973-12-01), Fravcel et al.
patent: 3873330 (1975-03-01), Sherk et al.
patent: 3904426 (1975-09-01), Frieser
patent: 3966449 (1976-06-01), Foster et al.
patent: 4004936 (1977-01-01), Powell
Takamori et al.; "Role of Copper Ions in Low Melting Solder Glasses" Journal of American Ceramic Society, vol. 59, No. 7-8, pp. 312-316.

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