Oxide magnetic material and chip


Application Number  00128867 Application Date  2000.08.18
Publication Number  1291777 Publication Date  2001.04.18
Priority Information   1999/8/19 JP 232412/99; 1999/9/17 JP 262934/99; 1999/9/17 JP 262935/99  
International
Classification
 H01F1/10;H01F1/34;H01F5/00;H01F17/00;C01G49/00  
Applicant(s) Name  TDK Corp.  
Address    
Inventor(s) Name  Ito Kei;Takahashi Sachio;Onu Takuya  
Patent Agency Code  72001 Patent Agent  lu xinhua
AbstractAn oxide magnetic material comprising main constituents including Fe2O3, ZnO, CuO and NiO. Y2O3 of 0.003 to 0.021% by weight and ZrO2 of 0.06 to 0.37% by weight are included in said main constituents with respect to all amounts. It is also preferable that Si of 0.010 to 0.0112% by weight is included in said main constituents with respect to all amounts. Further, it is also preferable that Y2O3 of 0.001 to 0.011% by weight, ZrO2 of 0.031 to 0.194% by weight, and Si of 0.010 to 0.056% by weight are included in said main constituents with respect to all amounts.