发明名称 Dielectric ceramic capacitor comprising non-reducible dielectric
摘要 A dielectric ceramic, and capacitor with the ceramic, wherein the ceramic has: about 94-99.9 wt % a first component defined by Formula 1; <?in-line-formulae description="In-line Formulae" end="lead"?>[(Ca<SUB>1-x</SUB>Sr<SUB>x</SUB>)O]<SUB>m</SUB>(Zr<SUB>1-y</SUB>Ti<SUB>y</SUB>)O<SUB>2</SUB>Formula 1<?in-line-formulae description="In-line Formulae" end="tail"?> wherein: x is no more than about 0.6; and y is no more than about 0.1; and m is at least about 0.85 to no more than about 1.15; and about 0.1-5 wt % a secondary component defined by Formula 2; <?in-line-formulae description="In-line Formulae" end="lead"?>aSiO<SUB>2</SUB>-b[alphaB<SUB>2</SUB>O<SUB>3</SUB>-(1-alpha)Li<SUB>2</SUB>O]-cAOFormula 2<?in-line-formulae description="In-line Formulae" end="tail"?> wherein: a, b and c are selected to lie within the region defined by points A(a=15, b=0, c=85), B(a=70, b=0, c=30), C(a=0, b=70, c=30) and D(a=0, b=15, c=85) of a ternary diagram wherein a is mole percent SiO2; b is mole percent alphaB<SUB>2</SUB>O<SUB>3</SUB>-(1-alpha)Li<SUB>2</SUB>O; and c is mole percent AO and a+b+c=100 including the lines BC, CD and AD but excluding the line AB; alpha is 0 to 1; A is selected from Mg, Ca, Sr, Ba or a combination thereof; and 0-2 wt % MnO<SUB>2</SUB>.
申请公布号 US7172985(B2) 申请公布日期 2007.02.06
申请号 US20050146847 申请日期 2005.06.07
申请人 发明人
分类号 C04B35/465;C04B35/47 主分类号 C04B35/465
代理机构 代理人
主权项
地址