Illumination devices for inspection systems

Details Illumination devices for inspection systems Illumination devices for inspection systems

1991-05-30

1992-07-07

Rosenberger, Richard A.

Optics: measuring and testing

Inspection of flaws or impurities

Having predetermined light transmission regions

G01N 2188

Patent

active

051277271

ABSTRACT:
An illumination device of an inspection system of circuit board pin extending from a printed circuit board provided with a shroud to prevent reflected light from distorting or otherwise deleteriously affecting the image received by a video camera. In the device, the shroud surrounds the pin and around a passage for directing the camera. The light source is annular and surrounds the shroud with the shroud extending axially from the light source and in the direction of light emitted from the source.

REFERENCES:
patent: 4688939 (1987-08-01), Ray
patent: 4695157 (1987-09-01), Schoenbaum

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