发明名称 |
Metallurgic silicon powder with a small superficial oxidation. |
摘要 |
<p>Silicon or silicon alloy with little superficial oxidation owing to a superficial layer of silica to less than 2 nm and production methods employing grinding under a relatively inert atmosphere in the presence of an oil or by vacuum atomization or in a relatively inert gas at reduced pressure.</p> |
申请公布号 |
EP0494837(A1) |
申请公布日期 |
1992.07.15 |
申请号 |
EP19920420008 |
申请日期 |
1992.01.08 |
申请人 |
PECHINEY ELECTROMETALLURGIE |
发明人 |
DUBROUS, FRANCIS |
分类号 |
B22F1/02;B22F9/04;C01B33/02;C07F7/16;C22C1/04 |
主分类号 |
B22F1/02 |
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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