| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a dielectric ceramic composition having a low dielectric constant, a high quality coefficient and a temperature coefficient of a small absolute value. <P>SOLUTION: The general formula of the dielectric ceramic composition is expressed as α(43ZnNb<SB>2</SB>O<SB>6</SB>-35CaTiO<SB>3</SB>-22CaO)-β(aSiO<SB>2</SB>-bAl<SB>2</SB>O<SB>3</SB>-cB<SB>2</SB>O<SB>3</SB>-dZnO)-γMg<SB>2</SB>SiO<SB>4</SB>(wherein, 30≤α≤40; 35≤β≤45; 20≤γ≤30; and α+β+γ=100; 50≤a≤70; 10≤b≤20; 10≤c≤20; 5≤d≤15; and a+b+c+d=100). <P>COPYRIGHT: (C)2009,JPO&INPIT |
