Glass-crystalline material and method of producing same

Details Glass-crystalline material and method of producing same Glass-crystalline material and method of producing same

1977-01-05

1979-07-31

Kellogg, Arthur D.

Compositions: coating or plastic

Coating or plastic compositions

Marking

65 33, C03C 322, C03B 3200

Patent

active

041629213

ABSTRACT:
Glass-crystalline material has dielectric properties close those of alumina ceramics (dielectric constant is 10 and dielectric loss factor (3-5) 0.10.sup.-4 at a frequency of 10.sup.10 Hz). The material contains, for example, the following ingredient in weight percent:

REFERENCES:
patent: 3490888 (1970-11-01), Strong
patent: 3785834 (1974-01-01), Rapp
patent: 3819387 (1974-06-01), Leger et al.
patent: 3899340 (1975-08-01), Walmendyer
patent: 3951670 (1976-04-01), Bush
patent: 4030903 (1977-06-01), Rittler
patent: 4047960 (1977-09-01), Reade
Journal of Materials (1973), pp. 1 to 11, Crystallization and Structure of a MgO--Al.sub.2 O.sub.3 --SiO.sub.2 --TiO.sub.2 Glass Ceramic by W. Zdaniewski.
Glass-Ceramic and Photo Sitalls by Anotolii I. Berezhitoi--Plenum Press 1970, pp. 212 to 214.
ATM-Card-Davey-Kwick (Alphabetical Chemical Name) Index by Johnson and Wand, from Research Lab. of Penn. State University.
Bogdanuva, G. S. et al., (in Russian) Neorg. Mater. AN SSSR Publishers, v. VI, No. 5, 1970.

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