Sealing glass composition and method of making and of using

Details Sealing glass composition and method of making and of using Sealing glass composition and method of making and of using

1995-06-23

1997-03-18

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501 15, 501 10, 501 76, 501 17, 501 18, C03C 1002, C03C 824, C03C 3074

Patent

active

056122616

ABSTRACT:
The present invention relates to a novel sealing glass composition, in particular, one which comprises solid PbO--ZnO--B.sub.2 O.sub.3 glass and natural garnet as a filler component. This composition has the advantage that thermal strain does not occur at the interface between the crystalline glass and filler because of the excellent chemical affinity. This prevents cracks from propagating at the interface between the main glass and filler, thereby improving the mechanical strength of the glass.

REFERENCES:
patent: 3121628 (1964-02-01), Loehrke
patent: 3228548 (1966-01-01), Butler
patent: 4099977 (1978-07-01), Francel et al.
patent: 4131478 (1978-12-01), Davis et al.
patent: 4246034 (1981-01-01), Kellberg
patent: 5145803 (1992-09-01), Daimer et al.
patent: 5470804 (1995-11-01), Morena

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