Sealing glass and method of making a Willemite filler therefor

Details Sealing glass and method of making a Willemite filler therefor Sealing glass and method of making a Willemite filler therefor

1983-09-01

1985-06-11

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501 17, 501 22, 501 32, C03C 308, C03C 310

Patent

active

045229252

ABSTRACT:
A sealing glass composition comprising a lead borate glass matrix and a Willemite filler that provides a blended sealing glass composition with outstanding properties including excellent thermal (button flow and rod seal stress values) and chemical properties. A method of making the Willemite filler is described, the method including critical firing times and temperatures in order to produce the highly effective filler.

REFERENCES:
patent: 4186023 (1980-01-01), Dumesmil et al.
patent: 4310357 (1982-01-01), Matsuura et al.
patent: 4365021 (1982-12-01), Pirooz

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