发明名称 |
Method for manufacturing gallium phosphide single crystals |
摘要 |
A gallium phosphide single crystal is prepared from a polycrystalline gallium phosphide powder as a starting raw material which is obtained by hydrogen reduction of gallium phosphate and which contains residual phosphate radicals in an amount of 0.03 to 0.5% by weight. The gallium phosphide powder is compressed to prepare a green compact which is then melted to provide a gallium phosphide liquid. The gallium phosphide liquid is brought into contact with a seed crystal and is pulled.
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申请公布号 |
US4431476(A) |
申请公布日期 |
1984.02.14 |
申请号 |
US19820336701 |
申请日期 |
1982.01.04 |
申请人 |
TOKYO SHIBAURA DENKI KABUSHIKI KAISHA |
发明人 |
WATANABE, MASAYUKI;USHIZAWA, JISABURO;FUKUDA, TSUGUO |
分类号 |
C01B25/08;C30B27/02;(IPC1-7):C30B27/02 |
主分类号 |
C01B25/08 |
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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