发明名称 |
Pumping system for evacuating reactor chambers |
摘要 |
A system for evacuating a reactor chamber includes a main evacuation line connected at one end thereof to the reactor chamber and at another end thereof to a means for creating a partial vacuum. A valve in the main evacuation line divides the line into a chamber side and a vacuum side. A second line is connected at one end to the vacuum side of the main evacuation line and at another end to a fluid supply source. As the valve in the main evacuation line is opened, fluid is supplied through the second line to the main evacuation line to prevent rapid, turbulence-inducing pressure drops in the reactor chamber.
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申请公布号 |
US5433238(A) |
申请公布日期 |
1995.07.18 |
申请号 |
US19940300935 |
申请日期 |
1994.09.06 |
申请人 |
VLSI TECHNOLOGY, INC. |
发明人 |
CANNIZZARO, STEPHEN;CAIN, JOHN;DELGADO, MIGUEL;SOLIS, RAMIRO |
分类号 |
C23C16/44;H01J37/18;(IPC1-7):B65B31/04 |
主分类号 |
C23C16/44 |
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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