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3D optical metrology method in which a structured pattern is generated on an object surface and resultant virtual pixels measured with a white-light interferogram
3D optical metrology method in which a structured pattern is generated on an object surface and resultant virtual pixels measured with a white-light interferogram
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机译:3D光学计量方法,其中在对象表面上生成结构化图案,并使用白光干涉图测量所得的虚拟像素
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摘要
Optical measurement method in which a structured light pattern is generated on the surface of an object to be measured either by interference or imaging of a grating on the surface. Surface definition measurements are then undertaken. An independent claim is made for an optical sensor for 3D measurement of the profile of an object whereby a signal is generated with virtual pixels in the form of a white-light interferogram.
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