发明授权
US09029061B2 Carrier, developer using the carrier, and developing device, image forming method, image forming apparatus and process cartridge using the developer
有权
使用该载体的载体，显影剂，显影装置，图像形成方法，图像形成装置和使用该显影剂的处理盒
- 专利标题： Carrier, developer using the carrier, and developing device, image forming method, image forming apparatus and process cartridge using the developer
- 专利标题（中）： 使用该载体的载体，显影剂，显影装置，图像形成方法，图像形成装置和使用该显影剂的处理盒
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申请号： US12978920申请日： 2010-12-27
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公开(公告)号： US09029061B2公开(公告)日： 2015-05-12
- 发明人: Koichi Sakata , Minoru Masuda , Hisashi Nakajima , Kimitoshi Yamaguchi , Yutaka Takahashi , Hitoshi Iwatsuki , Saori Yamada , Toyoaki Tano
- 申请人： Koichi Sakata , Minoru Masuda , Hisashi Nakajima , Kimitoshi Yamaguchi , Yutaka Takahashi , Hitoshi Iwatsuki , Saori Yamada , Toyoaki Tano
- 申请人地址： JP Tokyo
- 专利权人： Ricoh Company, Limited
- 当前专利权人： Ricoh Company, Limited
- 当前专利权人地址： JP Tokyo
- 代理机构： Oblon, McClelland, Maier & Neustadt, L.L.P.
- 优先权： JP2010-005096 20100113
- 主分类号： G03G9/00
- IPC分类号： G03G9/00 ; G03G9/113 ; G03G9/10 ; G03G13/06 ; G03G13/08
摘要：
A carrier for use in a two component developer for developing an electrostatic latent image is provided. The carrier includes a particulate core material; and a cover layer located on a surface of the core material and including a silicone resin and barium sulfate. The cover layer includes Ba and Si at an atomic ratio of from 0.01 to 0.08 as determined by X-ray photoelectron spectroscopy.
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