Dielectric ceramic material

Details Dielectric ceramic material Dielectric ceramic material

1985-11-26

1987-06-02

Dixon, Jr., William R.

Compositions: ceramic

Ceramic compositions

Titanate, zirconate, stannate, niobate, or tantalate or...

501136, C04B 3546

Patent

active

046704094

ABSTRACT:
Disclosed is a dielectric ceramic material comprising lanthanum magnesiumtitanate having a perovskite structure. The lanthanum magnesiumtitanate is preferably used in the form of a composition of the lanthanum magnesiumtitanate and calcium titanate as the dielectric ceramic material. The dielectric ceramic material has a small dielectric loss and a large dielectric constant, and the temperature coefficient of the resonance frequency can be controlled to a small value within a certain range. This dielectric material is valuable as a microwave resonator.

REFERENCES:
patent: 3431124 (1969-03-01), Hayashi et al.
patent: 4242213 (1980-12-01), Tamura et al.
patent: 4357426 (1982-11-01), Murata et al.
patent: 4468471 (1984-08-01), Kashima et al.

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