| 简介 |
A laminated ceramic capacitor suitable for intermediate to high voltage applications uses a dielectric ceramic represented by {100(BaTiO3+aBaZrO3)+bR+cMg+dMn+eSi} where R is a rare earth element; 0@a@0.2, 8.0@b@12.0, 1.0@c@10.0, 0.1@d@3.0, and 1.0@e@10.0, and includes first grains of 0.7 mum or more in grain size and an average first grain size (Aave) and area ratio of the ceramic (SA), and second grains of 0.6 mum or less in grain size and an average second grain size (Bave) and area ratio (SB), 0.8 mum@Aave@2.0 mum, 0.1 mum@Bave@0.5 mum, Aave/Bave>=3.0, 0.3@SA@0.9, 0.1@SB@0.7, and 0.8@SA+SB@1.0. |
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