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DIELECTRIC PORCELAIN AND ITS MANUFACTURING METHOD, AND LAMINATED CERAMIC CAPACITOR 发明申请

2022-07-31 2880 63K 0

专利信息

申请日期 2024-11-26 申请号 JP2003089428
公开(公告)号 JP2004292271A 公开(公告)日 2004-10-21
公开国别 JP 申请人省市代码 全国
申请人 KYOCERA CORP
简介 PROBLEM TO BE SOLVED : To provide a dielectric porcelain capable of improving dielectric breakdown voltage and having a stable characteristics of elctrostatic capacity even if its dielectric layer is made thinner, its manufacturing method, and a laminated ceramic capacitor. SOLUTION : This dielectric porcelain comprises a main crystal particle 31 comprising a perovskite type composite oxide containing Ba and Ti as metal elements but not containing Si, a composite oxide layer 33, formed on the outer surface of the main crystal particle 31, containing a rare earth element, an alkaline earth element, and Si, and an grain boundary phase 35.


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