发明名称 Electrophotographic resin-coated ferrite carrier, method for producing the same, and electrophotographic developer
摘要 There are adopted an electrophotographic resin-coated ferrite carrier having a carrier core coated with a resin, wherein a product of an apparent density &rgr; (g/cm3), average particle size d (μm) and BET specific surface area S (m2/g) of the carrier core satisfies the following condition, a method for producing the same, and an electrophotographic developer. 4.5≦̸&rgr;×d×S≦̸8.5 (20≦̸d≦̸45)
申请公布号 US7964330(B2) 申请公布日期 2011.06.21
申请号 US20070729938 申请日期 2007.03.30
申请人 POWERTECH CO., LTD. 发明人 SHINMURA ISSEI;KAYAMOTO KANAO
分类号 G03G9/00 主分类号 G03G9/00
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