| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an NiCuZn ferrite which can be highly densely sintered while it can retain its fine particle diameter upon a temperature change and consequently has a reduced fluctuation in inductance characteristics upon a firing temperature change. <P>SOLUTION: The NiCuZn ferrite comprises as principal components 47.6-49.8 mol% (in terms of Fe<SB>2</SB>O<SB>3</SB>) iron oxides, 8.1-11.5 mol% (in terms of CuO) copper oxides, 1.0-29.0 mol% (in terms of ZnO) zinc oxides, and the balance (mol% in terms of NiO) of nickel oxides and comprises 0.1-0.4 wt.% (in terms of Bi<SB>2</SB>O<SB>3</SB>), based on the principal components, bismuth oxides. <P>COPYRIGHT: (C)2008,JPO&INPIT |
