发明名称 CARRIER CORE MATERIAL FOR ELECTROPHOTOGRAPHIC DEVELOPER, METHOD OF MANUFACTURING THE SAME, CARRIER FOR ELECTROPHOTOGRAPHIC DEVELOPER, AND ELECTROPHOTOGRAPHIC DEVELOPER
摘要 PROBLEM TO BE SOLVED: To provide a carrier core material which has a high breakdown voltage and keeps an appropriate electric resistance value up to the breakdown voltage and has a high susceptibility, to provide a method of manufacturing the same and a carrier using the carrier core material, and to provide an electrophotographic developer. SOLUTION: The carrier core material includes a magnetite containing 10 to 400 ppm of Li. The method of manufacturing the same, the carrier using the carrier core material, and the electrophotographic developer are also provided. COPYRIGHT: (C)2011,JPO&INPIT
申请公布号 JP2011053491(A) 申请公布日期 2011.03.17
申请号 JP20090203061 申请日期 2009.09.02
申请人 DOWA ELECTRONICS MATERIALS CO LTD;DOWA IP CREATION CO LTD 发明人 KAWACHI TAKASHI;KITAMURA TOSHIYA
分类号 G03G9/107;G03G9/10;G03G9/113 主分类号 G03G9/107
代理机构 代理人
主权项
地址