Apparatus for measuring optical characteristics of a surface in

Details Apparatus for measuring optical characteristics of a surface in Apparatus for measuring optical characteristics of a surface in

1995-04-24

1996-10-29

Evans, F. L.

Optics: measuring and testing

By polarized light examination

With light attenuation

356376, 359216, 359217, 250235, G01B 1130, G01B 1124, G02B 2608

Patent

active

055701833

ABSTRACT:
A system for measuring optical characteristics of a surface such as orange peel includes a light source and detector retained upon a support block and translatable as a single unit. The light source emits a beam which is scanned across the workpiece surface by a moving mirror so as to produce a scan line. Translation of the light source causes the scan line to move across the workpiece. The associated detector reads the light reflected from the workpiece and produces a signal which may be processed to determine orange peel or other optical characteristics of the surface.

REFERENCES:
patent: 4629319 (1986-12-01), Clarke et al.
patent: 4900146 (1990-02-01), Penney et al.
patent: 4989984 (1991-02-01), Salinger
patent: 5078463 (1992-01-01), Kawawada

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