Component inspection apparatus and method

Optics: measuring and testing – By polarized light examination – With light attenuation

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Details

356394, 356237, 358106, 209577, 209586, G01B 1124

Patent

active

049697463

ABSTRACT:
The apparatus of the invention comprises a lighting device for illuminating a component to be inspected to form a halo of light around a periphery of the component and a system for comparing the shape of the halo of light to a known acceptable shape. A camera may be used to detect the halo and a programmed computer may be used to perform image analysis of the shape of the halo to determine if it conforms to an acceptable shape.

REFERENCES:
patent: 4496056 (1985-01-01), Schoenig, Jr. et al.

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