Stock material or miscellaneous articles – Composite – Of quartz or glass
Patent
1986-11-14
1988-06-21
Kittle, John E.
Stock material or miscellaneous articles
Composite
Of quartz or glass
428432, 428688, 501 15, 501 20, 501 62, 501102, 501133, 156 89, B32B 1800, C03C 824
Patent
active
047525312
ABSTRACT:
A dielectric composition comprising an admixture of finely divided solids comprising (a) a noncrystallizable glass of which the deformation temperature (T.sub.d) is 580.degree.-625.degree. C. and the softening point (T.sub.s) is 630.degree.-700.degree. C., and (T.sub.s -T.sub.d) is 50.degree.-75.degree. C., and (b) a refractory which is substantially insoluble in the glass at temperatures of 825.degree.-900.degree. C.
REFERENCES:
patent: 4642148 (1987-02-01), Kurihara et al.
patent: 4655864 (1987-04-01), Rellick
Bozzelli Beth A.
E. I. Du Pont de Nemours and Company
Kittle John E.
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