| 发明名称 |
Process for preparation of high-type silicon nitride powder |
| 摘要 |
A high alpha -type silicon nitride powder is prepared by thermally decomposing a mixture of a crystalline silicon nitride powder having an oxygen content of at least 1.0% by weight and a nitrogen-containing silane compound.
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| 申请公布号 |
US4716028(A) |
申请公布日期 |
1987.12.29 |
| 申请号 |
US19860829171 |
申请日期 |
1986.02.14 |
| 申请人 |
TOYO SODA MANUFACTURING CO., LTD. |
发明人 |
KASAI, KIYOSHI;TSUKIDATE, TAKAAKI;ARAKAWA, TOSHIHIKO |
| 分类号 |
C01B21/068;C04B35/584;(IPC1-7):C01B33/06 |
主分类号 |
C01B21/068 |
| 代理机构 |
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