发明名称 |
Carrier for developer for developing electrostatic latent image, developer using same and image forming method using same |
摘要 |
A carrier for use with a toner as a two-component type developer for developing an electrostatic image, comprising spherical magnetic core particles, and a resin layer covering each of said core particles and containing at least two resistance controlling materials having different specific resistances, wherein each of the resistance controlling materials is in the form of particles having a number average particle diameter of no more than 1/10 of a number average particle diameter of the toner.
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申请公布号 |
US7320852(B2) |
申请公布日期 |
2008.01.22 |
申请号 |
US20030392869 |
申请日期 |
2003.03.21 |
申请人 |
RICOH COMPANY, LTD. |
发明人 |
KOTSUGAI AKIHIRO;YAMAGUCHI KIMITOSHI;IMAHASHI NAOKI;TAKAHASHI HIROAKI |
分类号 |
G03G9/10;G03G7/00;G03G9/107;G03G9/113;G03G15/08;G03G15/09 |
主分类号 |
G03G9/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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