发明名称 METHOD AND APPARATUS FOR COMPENSATION OF TIME-VARYING OPTICAL PROPERTIES OF GAS IN INTERFEROMETRY
摘要 Methods and systems for compensating a measured optical path length for time−varying optical properties of gas in an interferometer's measurement beam path based on a measurement of the beam propagation direction are disclosed.
申请公布号 WO03062739(A2) 申请公布日期 2003.07.31
申请号 WO2003US02168 申请日期 2003.01.24
申请人 ZYGO CORPORATION;HILL, HENRY, A. 发明人 HILL, HENRY, A.
分类号 G01B9/02;G01B11/00;G03F7/20;H01L21/027 主分类号 G01B9/02
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