| 发明名称 |
METHOD FOR PRODUCING OXIDE COATED IRON POWDER OF CONTROLLED RESISTANCE FOR ELECTROSTATIC COPYING SYSTEMS |
| 摘要 |
<p>Oxide coated iron powder required as a carrier in electrostatic copying systems has a uniform oxide film, and has a resistance which can be selectively controlled between 102 and 1010 ohms, when produced by a five step program of:</p> |
| 申请公布号 |
CA975207(A) |
申请公布日期 |
1975.09.30 |
| 申请号 |
CA19720156482 |
申请日期 |
1972.11.15 |
| 申请人 |
EASTMAN KODAK COMPANY |
发明人 |
MCCABE, JOHN M.;PERLOWSKI, JOHN S.;SCHUR, RONALD J. |
| 分类号 |
G03G9/10;B22F1/02;C23C8/10;G03G9/107;G03G9/113 |
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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