- 专利标题： CARRIER, DEVELOPER, SUPPLEMENTAL DEVELOPER, IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND PROCESS CARTRIDGE
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申请号： US15911443申请日： 2018-03-05
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公开(公告)号： US20180267421A1公开(公告)日： 2018-09-20
- 发明人: Mariko TAKII , Koichi SAKATA , Tohru SUGANUMA , Masahiro SEKI , Masashi NAGAYAMA , Toyoaki TANO , Kohsuke MIYAZAKI
- 申请人： Mariko TAKII , Koichi SAKATA , Tohru SUGANUMA , Masahiro SEKI , Masashi NAGAYAMA , Toyoaki TANO , Kohsuke MIYAZAKI
- 优先权： JP2017-052864 20170317
- 主分类号： G03G9/00
- IPC分类号： G03G9/00 ; G03G9/107 ; G03G9/113
摘要：
A carrier is provided including a core particle and a resin layer coating the surface of the core particle. The resin layer includes fine metal particles, and a detected metal element amount A obtained by X-ray photoelectron spectrometry of the surface of the carrier is in a range of 4.0 atomic %≤A≤20.0 atomic % and an average major-axis length B of the fine metal particle exposing from the resin layer is in a range of 100 nm≤B≤800 nm.
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