发明名称 Electrophotographic carrier, developer, developer container, process cartridge, image forming apparatus and image forming method
摘要 A carrier is provided containing a core; and a cover layer located overlying the core, wherein the cover layer comprises a binder resin, a first particulate material and a second particulate material, wherein the following relationships are satisfied: 1 < (D1/h) < 10, and 0.001 < (D2/h) < 1, wherein D1 (µm) represents the volume average particle diameter of the first particulate material, D2 (µm) represents the volume average particle diameter of the second particulate material, and h (µm) represents the thickness of the cover layer, and wherein the second particulate material has a volume resistivity of not greater than 1. 0 x 10 12 ©.cm. In addition, a developer including the carrier, a developer container, and a process cartridge, and image forming apparatus and an image forming method using the developer are provided.
申请公布号 EP1703334(A2) 申请公布日期 2006.09.20
申请号 EP20060005503 申请日期 2006.03.17
申请人 RICOH COMPANY, LTD. 发明人 SUZUKI, KOUSUKE;KONDOH, TOMIO;YAGI, SHINICHIRO;IWATSUKI, HITOSHI
分类号 G03G9/113;G03G9/10 主分类号 G03G9/113
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