发明申请
- 专利标题： Dielectric porcelain composition, electronic device and methods for producing these
- 专利标题（中）： 介电瓷组成，电子装置及其制造方法
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申请号： US10540395申请日： 2003-12-17
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公开(公告)号： US20060234853A1公开(公告)日： 2006-10-19
- 发明人: Hiroshi Sasaki , Hitoshi Tanaka , Yasuo Niwa , Matsumi Watanabe , Tomoaki Nonaka
- 申请人： Hiroshi Sasaki , Hitoshi Tanaka , Yasuo Niwa , Matsumi Watanabe , Tomoaki Nonaka
- 专利权人： TDK CORPORATION
- 当前专利权人： TDK CORPORATION
- 优先权： JP2002-372783 20021224
- 国际申请： PCT/JP03/16178 WO 20031217
- 主分类号： C04B35/465
- IPC分类号： C04B35/465
摘要：
A dielectric ceramic composition, comprising a main component including at least a dielectric oxide having a composition expressed by [(CaxSr1-x)O]m[(TiyZr1-y-zHfz)O2], a first subcomponent including a Mn oxide and/or an Al oxide and a glass component, wherein “m”, “x”, “y” and “z” indicating composition mole ratios in the formula included in the main component are in relationships of 0.90≦m≦1.04, preferably 1.005≦m≦1.025, 0.5≦x