Hermetic sealing glass composition

Details Hermetic sealing glass composition Hermetic sealing glass composition

1991-03-25

1993-01-12

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501 14, 501 18, 501 32, 501 62, 501 64, 501 76, 501 78, C03C 824, C03C 1400, C03C 3095, C03C 3105

Patent

active

051790475

ABSTRACT:
A hermetic sealing glass composition comprising an inorganic component which consists essentially of from 60 to 100 wt % of a glass powder, from 0 to 30 wt % of a filler and from 0 to 10 wt % of a pigment, wherein said glass powder consists essentially of from 30 to 45 wt % of SiO.sub.2, from 11 to 25 wt % of Al.sub.2 O.sub.3, from 11 to 25 wt % of ZnO, from 11 to 25 wt % of B.sub.2 O.sub.3, from 0.05 to 10 wt % of ZrO.sub.2, from 0.1 to 10 wt % of at least one of La.sub.2 O.sub.3, from 0.1 to 7 wt % of BaO, SrO, or CaO+MgO, from 0.1 to 7 wt % of at least one Li.sub.2 O, +Na.sub.2 or K.sub.2 O, from 0.1 to 5 wt % of at least one CeO.sub.2, +TiO.sub.2 or SnO.sub.2, from 0 to 5 wt % of PbO and from 0 to 5 wt % of at least one metal oxide selected from the group consisting of oxides of Co, Ni, Cr, Mn, Fe and Cu.

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patent: 4349635 (1982-09-01), Davis et al.
patent: 4446241 (1984-05-01), Francel et al.
patent: 4481299 (1984-11-01), Tajima
patent: 4710479 (1987-12-01), Yamanaka et al.
patent: 4774208 (1988-09-01), Yamanaka et al.

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