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Precision measurement of surface inaccuracies Optical Surfaces Ltd (www.optisurf.com) offers a range of standard and custom Precision Flats up to 600mm in diameter manufactured of high-stability materials such as glass, Zerodur and silica.
Precision optical flats are versatile devices for measuring surface flatness of polished areas by determining the variations between work surfaces and the surface of the optical flat.
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