发明名称 |
Vertical heat treatment apparatus |
摘要 |
A vertical heat treatment apparatus includes a reaction furnace constituted by a reaction chamber having an inner tube and an outer tube and a heater arranged outside the reaction chamber, a manifold communicating with a lower portion of the reaction chamber to support the reaction chamber and a gas being supplied and exhausted through the mainfold, a hollow vessel, arranged together with the boat in the reaction furnace, for supporting a lower end of a boat having objects, and a plurality of first heat-insulating members detachably arranged in the hollow vessel, wherein the number of the first insulating members is adjusted to adjust a heat-insulating effect. The first heat-insulating member includes a fin unit constituted by fins horizontally arranged at predetermined intervals and spacers for keeping the intervals between the fins.
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申请公布号 |
US5048800(A) |
申请公布日期 |
1991.09.17 |
申请号 |
US19900563345 |
申请日期 |
1990.08.07 |
申请人 |
KABUSHIKI KAISHA TOSHIBA;TOKYO ELECTRON SAGAMI LIMITED |
发明人 |
MIYAZAKI, SHINJI;MORIYA, TAKAHIKO;YAGI, YASUSHI;KOMINO, MITUAKI;IWABUCHI, KATUHIKO |
分类号 |
C23C16/54;C30B25/10;C30B31/12;F27B17/00;F27D1/00;H01L21/00 |
主分类号 |
C23C16/54 |
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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