发明名称 Dielectric ceramic composition for use in high frequency
摘要 The present invention is a dielectric ceramic composition capable forming a dielectric resonator device provided with a high Q value at a high frequency band and keep a stable crystal phase when operated at a high power applied field. The dielectric ceramic composition which comprises a base composition expressed by the following chemical formula; BaO-x{(1-y)TiO2.yZrO2}; wherein 4.300</=x</=4.450 0<y</=0.10 and and additives of MnO2 and Ta2O5 in the following weight ratio against the base composition; 0<MnO2</=0.5 wt. % 0<Ta2O5</=1.2 wt. %
申请公布号 US5407876(A) 申请公布日期 1995.04.18
申请号 US19940245612 申请日期 1994.05.19
申请人 MURATA MANUFACTURING CO., LTD. 发明人 MICHIURA, NOBUHIKO;TAMURA, HIROSHI
分类号 C04B35/46;C04B35/468;H01B3/12;H01P7/10;(IPC1-7):C04B35/49 主分类号 C04B35/46
代理机构 代理人
主权项
地址