发明名称 METHOD AND APPARATUS FOR GAS FLOW MEASUREMENT
摘要 A method and apparatus for measuring gas flow are provided. In one embodiment, a calibration circuit for gas control may be utilized to verify and/or calibrate gas flows utilized for backside cooling, process gas delivery, purge gas delivery, cleaning agent delivery, carrier gases delivery and remediation gas delivery, among others.
申请公布号 US2008035202(A1) 申请公布日期 2008.02.14
申请号 US20070833623 申请日期 2007.08.03
申请人 LEE JARED A;GOLD EZRA R;ZHANG CHUNLEI;CRUSE JAMES P;FOVELL RICHARD C 发明人 LEE JARED A.;GOLD EZRA R.;ZHANG CHUNLEI;CRUSE JAMES P.;FOVELL RICHARD C.
分类号 G01F1/42;F17D3/00 主分类号 G01F1/42
代理机构 代理人
主权项
地址