H - Electricity – 01 – P
Patent
H - Electricity
01
P
31/138
H01P 7/10 (2006.01) C04B 35/00 (2006.01) C04B 35/495 (2006.01) H01B 3/12 (2006.01)
Patent
CA 2017721
ABSTRACT OF DISCLOSURE Dielectric ceramic and process of producing the same A dielectric ceramic essentially consisting of a compound having a disordered perovskite-type complex crystal structure and having a composition represented by the general formula (I): BaxAyB1-x-yO? (I) (I) wherein A represents at least one element selected from the group consisting of Zn, Ni, Co and Mg, and the Mg content in the A is not more than 0.44y; B is at least one element selected from the group consisting of Ta and Nb; x and y are a number of 0.495?x?0.52 and 0.15?y?0.19, respectively. This dielectric ceramic has good dielectric properties, which are markedly small in variation, and can be produced by a process which is easy in control.
Hyuga Takehiro
Matsumoto Kazutoshi
Mukai Tetsuya
Marks & Clerk
Sumitomo Metal Industries Ltd.
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