发明名称 |
Single crystal conversion control |
摘要 |
A polycrystalline article is converted to a single crystal in a solid-state process. Heat is applied at a first end of the article to effect a predetermined spatial temperature profile thereat having a maximum temperature approaching a melting temperature thereof. The temperature profile is maintained to initiate conversion at the first end. The heat is moved along the article toward an opposite second end to correspondingly propagate the conversion along the article. <IMAGE> |
申请公布号 |
EP1004690(A1) |
申请公布日期 |
2000.05.31 |
申请号 |
EP19990308918 |
申请日期 |
1999.11.09 |
申请人 |
GENERAL ELECTRIC COMPANY |
发明人 |
AZAD, FARZIN HOMAYOUN;JONES, MARSHALL GORDON |
分类号 |
C30B1/08;C30B1/00;C30B1/02;C30B1/06;C30B29/20;C30B33/02 |
主分类号 |
C30B1/08 |
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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