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MULTILAYER CERAMIC CAPACITOR 发明申请

2023-07-31 3880 1464K 0

专利信息

申请日期 2025-06-25 申请号 WOJP09055866
公开(公告)号 WO2009119613A1 公开(公告)日 2009-10-01
公开国别 WO 申请人省市代码 全国
申请人 KYOCERA CORPORATION; UENO Jun; OSUZU Hideyuki; NISHIGAKI Masahiro; MINO hiroaki
简介 Disclosed is a multilayer ceramic capacitor which is formed by alternately laminating (i) dielectric layers composed of a dielectric ceramic and (ii) internal electrode layers. The dielectric ceramic is composed of crystal grains mainly composed of barium titanate, while containing predetermined amounts of calcium, magnesium, vanadium, manganese and terbium, and at least one rare earth element selected from yttrium, dysprosium, holmium and erbium. In an x-ray diffraction chart of the dielectric ceramic, the diffraction intensity of the (200) plane indicating cubic barium titanate is higher than the diffraction intensity of the (002) plane indicating tetragonal barium titanate. The dielectric ceramic has a Curie temperature of 90-100˚C.


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