| 发明名称 |
Ferrite carrier for electrophotographic developer and electrophotographic developer containing the same |
| 摘要 |
A ferrite carrier for electrophotographic developers which is represented by formula:(MnO)x(MgO)y(Fe2O3)zwherein x+y+z=100 mol %, and part of MnO, MgO and/or Fe2O3 is substituted with SnO2, and has a saturation magnetization of 20 to 43 emu/g.
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| 申请公布号 |
US5976747(A) |
申请公布日期 |
1999.11.02 |
| 申请号 |
US19980030804 |
申请日期 |
1998.02.26 |
| 申请人 |
POWDERTECH CO., LTD. |
发明人 |
SATO, YUJI;ITAGOSHI, TSUYOSHI;TAKAGI, KAZUNORI;TAKEI, NORIO;HONJO, TOSHIO |
| 分类号 |
G03G9/107;G03G9/113;(IPC1-7):G03G9/107 |
主分类号 |
G03G9/107 |
| 代理机构 |
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