| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a low-temperature fired ceramic, which can be fired sufficiently at a low temperature, and has a low dielectric constant εr and a high quality factor Q. <P>SOLUTION: The ceramic contains, by weight, 10-64% barium component, expressed in terms of BaO, 20-80% silicon component, expressed in terms of SiO<SB>2</SB>, 0.1-20% aluminum component expressed in terms of Al<SB>2</SB>O<SB>3</SB>, 0.3-1.0 boron component, expressed in terms of B<SB>2</SB>O<SB>3</SB>, 0.5-20% zinc component, expressed in terms of ZnO, 0.1-20% bismuth component, expressed in terms of Bi<SB>2</SB>O<SB>3</SB>, and ≤4% copper component, expressed in terms of CuO. <P>COPYRIGHT: (C)2004,JPO&NCIPI |
