发明授权
- 专利标题： Charging member, charging device, process cartridge and image forming apparatus
- 专利标题（中）： 充电部件，充电装置，处理盒和成像装置
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申请号： US18284申请日： 1993-02-16
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公开(公告)号： US5390007A公开(公告)日： 1995-02-14
- 发明人: Harumi Kugoh , Junji Araya , Hideyuki Yano
- 申请人： Harumi Kugoh , Junji Araya , Hideyuki Yano
- 申请人地址： JPX Tokyo
- 专利权人： Canon Kabushiki Kaisha
- 当前专利权人： Canon Kabushiki Kaisha
- 当前专利权人地址： JPX Tokyo
- 优先权： JPX4-059496 19920213
- 主分类号： G03G15/02
- IPC分类号： G03G15/02 ; G03G21/06
摘要：
A charging member contactable to a member to be charged to electrically charge it includes a sponge layer; a coating layer disposed between the sponge layer and the member to be charged; wherein a cell diameter in a surface of the sponge layer coated with the coating layer is not more than 200 microns.
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