发明名称 Polarization imaging
摘要 A system and method for inspection a substrate for various defects is herein disclosed. Polarizing filters are used to improve the contrast of polarization dependent defects such as defocus and exposure defects, while retaining the same sensitivity to polarization independent defects, such as pits, voids, cracks, chips and particles.
申请公布号 US7586607(B2) 申请公布日期 2009.09.08
申请号 US20070678407 申请日期 2007.02.23
申请人 RUDOLPH TECHNOLOGIES, INC. 发明人 SUN GANG
分类号 G01J4/00 主分类号 G01J4/00
代理机构 代理人
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