发明名称 DEVELOPER CARRIER, DEVELOPING DEVICE USING THE CARRIER AND PROCESS CARTRIDGE USING THE CARRIER
摘要 A developer carrier is provided which is capable of stably imparting charging to a toner over a long term without change of a physical shape of its surface, material composition, and the like even in endurable use and which is capable of forming a satisfactory image while avoiding the occurrence of toner contamination and toner charge-up. That is, the developer carrier is characterized in that: it comprises at least a substrate and a resin coating layer formed on a surface of the substrate; and the resin coating layer comprises at least graphitized particles (i) with a degree of graphitization p(002) of 0.20 to 0.95 and an indentation hardness HUT Ä68Ü of 15 to 60 or graphitized particles (ii) with a degree of graphitization p(002) of 0.20 to 0.95 and an average circularity SF-1 of 0.64 or more. <IMAGE>
申请公布号 KR20030087557(A) 申请公布日期 2003.11.14
申请号 KR20030028795 申请日期 2003.05.07
申请人 发明人
分类号 G03G9/10;G03G15/08 主分类号 G03G9/10
代理机构 代理人
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