发明名称 Acoustic temperature and film thickness monitor and method
摘要 An acoustic temperature and/or film thickness monitoring system for semiconductor wafers in which the velocity of acoustic waves in the wafer is employed to measure temperature and/or thickness.
申请公布号 US5469742(A) 申请公布日期 1995.11.28
申请号 US19930028331 申请日期 1993.03.09
申请人 LEE, YONG J.;KHURI-YAKUB, BUTRUS T.;SARASWAT, KRISHNA C. 发明人 LEE, YONG J.;KHURI-YAKUB, BUTRUS T.;SARASWAT, KRISHNA C.
分类号 G01B17/02;G01K11/22;G01N29/04;(IPC1-7):G01N29/18 主分类号 G01B17/02
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