Used for a wide range of dimensional inspection purposes, optical comparators measure the dimensions and geometry of a sample through a projected image. The mechanical system within the operator ...

1.The concept and principle of optical reticle. The optical reticle, also known as an optical grating or grating plate, is an optical element with a periodic structure, usually made of a transparent ...

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As the Extreme Ultraviolet (EUV) lithography ecosystem is being actively mapped out to enable sub-7nm design rule devices, there is an immediate and imperative need to identify the EUV reticle (mask) ...

Simple optics display the part upside down and backwards on the glass screen. Corrected optics display the part right side up and backwards. Fully corrected optics yield an image identical to the part ...