发明名称 |
Charging apparatus and electrophotographic apparatus |
摘要 |
A charging apparatus which comprises an electrophotographic photosensitive member and a charging member which comprises magnetic particles and placed in contact with the electrophotographic photosensitive member to charge the electrophotographic photosensitive member upon application of a voltage, wherein each magnetic particle has a surface layer containing a polyolefin resin of which weight average molecular weight is 10,000 or more, and has a volume resistivity of 1 x 10<4> to 1 x 10<11> OMEGA cm. <IMAGE> |
申请公布号 |
EP0790535(A3) |
申请公布日期 |
1999.04.14 |
申请号 |
EP19970300927 |
申请日期 |
1997.02.13 |
申请人 |
CANON KABUSHIKI KAISHA |
发明人 |
HANO, YOSHIFUMI;AITA, SHUICHI;KUKIMOTO, TSUTOMU;TAKIGUCHI, TSUYOSHI;ARAHIRA, FUMIHIRO;ISHIHARA, YUJI;MIZOE, KIYOSHI |
分类号 |
G03G15/02 |
主分类号 |
G03G15/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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