发明名称 CARRIER FOR ELECTROPHOTOGRAPHIC DEVELOPER
摘要 PROBLEM TO BE SOLVED: To provide a carrier for an electrophotographic developer which has superior stability of electrostatic charging and never stuck on a photosensitive body. SOLUTION: This carrier for the electrophotographic developer is characterized by that magnetic powder of 10 to 50μm in mean particle size is used as a core material and has resin containing a conductive material charged in its recessed parts and has a uniform coating layer on its surface.
申请公布号 JP2002278165(A) 申请公布日期 2002.09.27
申请号 JP20010078672 申请日期 2001.03.19
申请人 RICOH CO LTD 发明人 UMEMURA KAZUHIKO;YAMAGUCHI KIMITOSHI
分类号 G03G9/113;(IPC1-7):G03G9/113 主分类号 G03G9/113
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