Defect mapping


Grating being mounted on a granite vacuum chuck to test for defects down to <1 micron.  The granite vacuum plate is an Odhner Holographics custom design with a flatness of 5 micron peak to peak over the entire surface.

Odhner Holographics, P.O. Box 841, Amherst, NH 03031
Phone: (603) 673-8651    Fax: (603) 673-8685