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Dielectric ceramic 发明授权

2023-06-04 4480 159K 0

专利信息

申请日期 2025-07-18 申请号 JP2002123057
公开(公告)号 JP3898560B2 公开(公告)日 2007-03-28
公开国别 JP 申请人省市代码 全国
申请人 Kyocera Corporation6633
简介 PROBLEM TO BE SOLVED : To provide a dielectric ceramic composition of which temperature properties can be controlled at a high precision as use for high frequency parts, and to provide a dielectric ceramic. SOLUTION : At least one kind of powder selected from Fe2O3, Cr2O3, ZnO, CuO, Ag2O, Co3O4, MnO2, CeO2and R2O3(R is rare earth elements) in 0.1 to 2.0 pts.mass is contained to 100 pts.mass of a powdery mixture containing, by mass, 30 to 90% crystallized glass powder precipitating diopside type crystals, 1 to 40% calcium titanate powder and/or strontium titanate and 0 to 60% powder of at least one kind selected from Al2O3, TiO2, ZrO2, MgTiO3, BaTi4O9, La2Ti2O7, Nd2Ti2O7, Ca2Nb2O7, SrZrO3and CaZrO3. COPYRIGHT : (C)2004, JPO


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