Catalog excerpts
GI20 FLATNESS MEASUREMENT SYSTEM High precision flatness measurement, grazing incidence interferometer for use with lapped and semi-polished surfaces.
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FLATNESS MEASUREMENT →→Standard fiseau interferometers normally operate with fringe spacing approximately 0.3um (depending on wavelength), therefore restricting measurement to highly reflective materials. The Logitech GI20 overcomes this by reflecting laser light at a grazing incidence angle off the sample surface - this angled beam ensures that the monitor shows fringes on both reflective and non-reflective sample surfaces. SYSTEM The Logitech GI20 grazing incidence interferometer provides high precision flatness measurement, suitable for use with lapped and semi-polished surface up to...
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TECHNICAL SPECIFICATIONS Power Supply: Surface Roughness: Fringe Spacing: Maximum Sample Size:
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