Compositions: ceramic – Ceramic compositions – Titanate – zirconate – stannate – niobate – or tantalate or...
Patent
1990-08-06
1991-12-31
Group, Karl
Compositions: ceramic
Ceramic compositions
Titanate, zirconate, stannate, niobate, or tantalate or...
501138, 501139, C04B 3546
Patent
active
050772473
ABSTRACT:
A dielectric ceramic for microwave applications is comprised of:
REFERENCES:
patent: 4330631 (1982-05-01), Kawashima et al.
patent: 4535064 (1985-08-01), Yoneda
patent: 4699891 (1987-10-01), Sato et al.
patent: 4753906 (1988-06-01), Nishigaki et al.
patent: 4987107 (1991-01-01), Narumi et al.
World Patents Index Latest Accession No. 80-85052C (Weed 48), Derwent Publications Ltd., London & JP55131901 (KCK KK) 15-01-1980.
Chemical Abstracts, vol. 107, No. 8, Aug. 24, 1987, Columbus, Ohio, U.S.A., K. Sasazawa: "Dielectric Ceramic Compositions", p. 689; left-hand column; ref. No. 69267N *abstract* & JP-A-6205509 (Taiyo Yuden Co., Ltd.).
Chemical Abstracts, vol. 103, No. 4, Jul. 1985, Columbus, Ohio U.S.A.,"Dielectric Ceramic Composition", p. 585; left-hand column; ref. No. 31271P & JP-A-6044905 (Matsushita Electric Industrial Co., Ltd.) *abstract*.
Chemical Abstracts, vol. 106, No. 24, Jun. 1987, Columbus, Ohio, U.S.A., H. Watai et al.: "Dielectric Ceramics", p. 684; right-hand column; ref. No. 206406C *abstract* & JP-A-6217069 (Mitsubishi Electric Corp.).
Arai Toru
Kazutoshi Ayusawa
Sato Hosaku
Group Karl
OKI Electric Industry Co., Ltd.
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