Non-reduction type dielectric ceramic composition
AssigneeMurata Manufacturing Co., Ltd.
InventorsShinichi Ohkubo, Yoshiaki Mori, Yoshihiro Yoshimoto, Harufumi Mandai
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AssigneeMurata Manufacturing Co., Ltd.
InventorsShinichi Ohkubo, Yoshiaki Mori, Yoshihiro Yoshimoto, Harufumi Mandai
Estimating the term…
A non-reduction type dielectric ceramic composition, which contains 100 parts by weight of (Ca.sub.1-x Sr.sub.x).sub.m (Zr.sub.1-y Ti.sub.y)O.sub.3 -zMnO.sub.2 -wSiO.sub.2 serving as a main component and 2 to 30 parts by weight of an additive which is a(LiO.sub.1.kappa. -RO)-(1-a)(BO.sub.3/2 -SiO.sub.2), where RO is at least one type of SrO, BaO and CaO, and a is not less than 0.01 nor more than 0.8 in terms of a molar ratio, and satisfies the following relationships in the composition formulas of the above described main component and additive: x, y and m satisfy the following relationships in terms of a molar ratio: x.ltoreq.x.ltoreq.1.0 0.ltoreq.y.ltoreq.0.2 0.9.ltoreq.m.ltoreq.1.1 and z and w satisfy the following relationships when the amount of (Ca.sub.1-x Sr.sub.x).sub.m (Zr.sub.1-y Ti.sub.y)O.sub.3 is 100% by weight: 0.1.ltoreq.z.ltoreq.5% by weight 0.3.ltoreq.w.ltoreq.8% byw weight.
A non-reduction dielectric ceramic composition, which is characterized by containing 100 parts by weight of (Ca.sub.1-x Sr.sub.x).sub.m (Zr.sub.1-y Ti.sub.y)O.sub.3 -zMnO.sub.2 -wSiO.sub.2 serving as a main component and 2 to 30 parts by weight of an additive,
Dependencies are inferred from the claim text.