Abstract: A dielectric ceramic consisting essentially of a solid solution represented by the formula:xBaO--yTiO.sub.2 --zSm.sub.2 O.sub.3wherein 5.ltoreq.x.ltoreq.23, 57.ltoreq.y.ltoreq.82.5, 2.5.ltoreq.z.ltoreq.37.5, and x+y+z=100.The dielectric ceramic exibits large dielectric constant and low microwave loss with high temperature-stability in resonant frequency and is suitable for use as dielectric resonators, electrical filters, substrates and other uses.
Type:
Grant
Filed:
June 24, 1981
Date of Patent:
May 18, 1982
Assignee:
Matsushita Electric Industrial Co., Ltd.
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