Sealing glass composite

Details Sealing glass composite Sealing glass composite

1987-03-17

1989-04-04

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501 17, 501 32, C03C 824, C03C 814, C03C 1400

Patent

active

048187305

ABSTRACT:
The present direct invention is directed to a sealing glass composite comprising a low melting point sealing glass matrix mixed with a particulate additive to increase the effective coefficient of thermal expansion of the resulting sealing glass composite. The sealing glass matrix is in the lead borate family and the particulate additive is preferably calcium fluoride. For extreme bonding conditions, a small amount of copper oxide is dissolved into the glass matrix.

REFERENCES:
patent: 4185139 (1980-01-01), Smernos

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