发明名称 Flow control valve utilizing sonic nozzle
摘要 <p>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. <IMAGE></p>
申请公布号 EP0867796(B1) 申请公布日期 2002.05.08
申请号 EP19970309587 申请日期 1997.11.27
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):G05D7/06 主分类号 F16K31/02
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