发明名称 Flow control valve utilizing sonic nozzle
摘要 A flow control valve for a semiconductor manufacturing process, which valve utilizes a pressure sensor between the flow control valve and a subsequent sonic nozzle to detect the gas pressure which is fed back to the valve to control the flow through the valve.
申请公布号 US5988210(A) 申请公布日期 1999.11.23
申请号 US19970980246 申请日期 1997.11.28
申请人 AERA JAPAN LTD 发明人 KOMIYA, ISAMU;NAMBU, MASAHIRO
分类号 F16K31/02;F16K31/06;G01F1/36;G05D7/01;G05D7/06;H01L41/08;(IPC1-7):F16K31/12 主分类号 F16K31/02
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