发明名称 |
Two-component type magnetic developer |
摘要 |
Disclosed is a two-component type magnetic developer comprising a magnetic carrier consisting of a non-pulverizing agglomerate of cubic particles of magnetite having a particle size of 1 to 14 microns as measured by an electron microscope and a magnetic toner having a high electric resistance and consisting of particles having a particle size of 3 to 30 microns and comprising a binder resin medium and magnetite having a particle size smaller than 1 micron, which is dispersed in the binder resin medium, the magnetic carrier/magnetic toner mixing weight ratio being in the range of from 5/100 to 40/100.
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申请公布号 |
US4414322(A) |
申请公布日期 |
1983.11.08 |
申请号 |
US19820341820 |
申请日期 |
1982.01.22 |
申请人 |
MITA INDUSTRIAL CO. LTD. |
发明人 |
MIYAKAWA, NOBUHIRO;FUJII, MASANORI;MAEKAWA, KOUZI |
分类号 |
G03G9/08;G03G9/083;G03G9/10;G03G9/107;(IPC1-7):G03G9/14 |
主分类号 |
G03G9/08 |
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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