发明名称 |
MANUFACTURE OF MODIFIED FERROMAGNETIC CHROMIUM DIOXIDE |
摘要 |
Modified chromium dioxide crystals with narrower particle size and more uniform coercivity are produced by adding the modifying agent in an aqueous CrO3 solution. Antimony, tellurium and iron oxides may be dissolved in a saturated CrO3-water solution and added to the reaction mixture paste to yield improved crystals upon synthesis. |
申请公布号 |
JPS60145915(A) |
申请公布日期 |
1985.08.01 |
申请号 |
JP19840263128 |
申请日期 |
1984.12.14 |
申请人 |
E I DU PONT DE NEMOURS & CO |
发明人 |
HOONNII CHIEN |
分类号 |
C01G37/00;C01G37/027;G11B5/706;H01F1/10;H01F1/11 |
主分类号 |
C01G37/00 |
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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