- 专利标题： Carrier for developer of electrostatic latent image, two-component developer, replenishing developer, image forming apparatus, and toner stored unit
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申请号： US16131566申请日： 2018-09-14
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公开(公告)号： US10474051B2公开(公告)日： 2019-11-12
- 发明人: Mariko Takii , Koichi Sakata , Tohru Suganuma , Masahiro Seki , Masashi Nagayama , Shinya Nakagawa , Kei Niwayama
- 申请人： Mariko Takii , Koichi Sakata , Tohru Suganuma , Masahiro Seki , Masashi Nagayama , Shinya Nakagawa , Kei Niwayama
- 申请人地址： JP Tokyo
- 专利权人： Ricoh Company, Ltd.
- 当前专利权人： Ricoh Company, Ltd.
- 当前专利权人地址： JP Tokyo
- 代理机构： Oblon, McClelland, Maier & Neustadt, L.L.P.
- 优先权： JP2016-053684 20160317
- 主分类号： G03G9/08
- IPC分类号： G03G9/08 ; G03G9/113 ; G03G9/107 ; G03G9/087 ; G03G15/08
摘要：
Provided is a carrier for a developer of an electrostatic latent image, the carrier including a core particle, and a resin layer covering the core particle, where the resin layer includes metal compound particles, wherein the metal compound particles include magnesium compound particles or barium compound particles, and an exposed amount B (atomic %) of the magnesium or the barium on a surface of the carrier particle satisfies a relationship below: 10.0≥B ≥1.2.
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