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DIELECTRIC CERAMIC COMPOSITION, MULTI-LAYER CERAMIC CAPACITOR AND MANUFACTURING METHOD THEREOF 发明申请

2023-03-04 1080 635K 0

专利信息

申请日期 2025-07-11 申请号 US11869872
公开(公告)号 US20080089008A1 公开(公告)日 2008-04-17
公开国别 US 申请人省市代码 全国
申请人 NISHIKAWA JUN; OGASAWARA JUN; KOIDE NOBUYUKI
简介 A multi-layer ceramic capacitor has a temperature characteristic satisfying an X8R property and has a high specific resistance under a high temperature circumstance, in which the dielectric ceramic composition forming the dielectric ceramics is expressed by a formula : BaTiO3+aMgO+bMOx+cReO3/2+dSiO2, wherein MgO represents MgO conversion, MOx represents oxide conversion for 1 atom in 1 molecule of at least one metal selected from V, Cr, and Mn, ReO3/2 represents oxide conversion for 1 atom in 1 molecule of at least one rare earth metal selected from Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Y, and SiO2 represents SiO2 conversion, and wherein 0.4≦a≦3.0 mol, 0.05≦b≦0.4 mol, 6.0≦c≦16.5 mol, 3.0≦d≦5.0 mol, 2.0≦c/d≦3.3, based on 100 mol of BaTiO3.


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