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
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