发明名称 INTERFEROMETRIC METHOD FOR ENDPOINTING PLASMA ETCH PROCESSES
摘要 A method for monitoring a device fabrication process. The method includes etching into a wafer disposed inside a chamber and detecting the intensity of a portion of a light reflected from a surface of the wafer and further scattered at a scattering inside surface of the chamber.
申请公布号 WO0124255(A3) 申请公布日期 2001.12.20
申请号 WO2000US26600 申请日期 2000.09.27
申请人 LAM RESEARCH CORPORATION 发明人 HOWALD, ARTHUR, M.
分类号 H01L21/302;H01J37/32;H01L21/3065;H01L21/66 主分类号 H01L21/302
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