Surface measurement instrument
申请公布号:US8489359(B2)
申请号:US201113008380
申请日期:2011.01.18
申请公布日期:2013.07.16
发明人:MCDONNELL IVOR;BANKHEAD ANDREW DOUGLAS;MANSFIELD DANIEL IAN
分类号:G01B11/02;G01B11/30
主分类号:G01B11/02
摘要:A surface measurement instrument for obtaining surface characteristic data of a sample surface is described. Relative movement between a reference surface and a sample support is caused to occur while a sensor senses light intensity at intervals along a scan path to provide a series of intensity values representing interference fringes produced by a region of a sample surface during said relative movement and from which series of intensity values surface characteristic data can be derived. The sample support is both translatable and tiltable in at least one direction perpendicular to a scan direction so that the sample support can be both tilted to cause the scan path to be normal to the sample surface region and translated to compensate for translation movement due to the tilting.
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