High-alumina ceramic composition

Details High-alumina ceramic composition High-alumina ceramic composition

1984-12-17

1986-07-22

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Aluminum compound containing

C04B 3510

Patent

active

046019901

ABSTRACT:
A high-alumina ceramic composition is described, having a low dielectric loss in the extremely high frequency range, said composition consisting essentially of Al.sub.2 O.sub.3, SiO.sub.2, and MgO, with the Al.sub.2 O.sub.3 content being in the range of from 99.7 to 99.9% and the SiO.sub.2 /MgO weight ratio being in the range of from 1.0/1 to 0.2/1.

REFERENCES:
patent: Re27083 (1971-03-01), Klinger et al.
patent: 3377176 (1968-04-01), Wolkodoff et al.
patent: 3627547 (1971-12-01), Bailey
patent: 3880971 (1975-04-01), Pantanelli
patent: 4031177 (1977-06-01), Auriol et al.
patent: 4150317 (1979-04-01), Laska et al.

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