发明名称 |
Volumetric control of the flow of a filtering pump |
摘要 |
The present invention relates to a pump of resin deposition on a semiconductive wafer including a pump body divided by a membrane of definition of a resin dispensation chamber and of a control chamber and an element of filtration of the resin before its dispensation to an outlet access of the pump body. The pump includes a control system for injecting the resin under constant pressure into the control chamber and aspiring the resin from the control chamber, and a capacitive presence sensor for detecting a first position of the membrane.
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申请公布号 |
US6158966(A) |
申请公布日期 |
2000.12.12 |
申请号 |
US19980070717 |
申请日期 |
1998.04.30 |
申请人 |
SGS-THOMPSON MICROELECTRONICS S.A. |
发明人 |
GUESPIN, STEPHANE;BOYER, FREDERIC |
分类号 |
G05D7/03;(IPC1-7):F04B49/00 |
主分类号 |
G05D7/03 |
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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