Reflectance surface analyzer

Details Reflectance surface analyzer Reflectance surface analyzer

2007-04-17

2007-04-17

Toatley, Jr., Gregory J. (Department: 2877)

Optics: measuring and testing

Inspection of flaws or impurities

Surface condition

C356S369000

Reexamination Certificate

active

10804926

ABSTRACT:
There is described an improved Surface Reflectance Instrument which achieves more complete detection of surface defects in the nature of small particles. One of the improvements is the use of an elliptical integrated cavity with internal surface mirrors, and another the use of a position sensing diode as the detector for the scattered light. Other improvements and the use of a stable laser at a particular wavelength resulting in greater detection are also described.

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