Radiant energy – Luminophor irradiation – With ultraviolet source
Patent
1990-08-06
1992-05-19
Hannaher, Constantine
Radiant energy
Luminophor irradiation
With ultraviolet source
250302, 385117, G01J 504, G01J 548
Patent
active
051151367
ABSTRACT:
The invention provides an ultraviolet remote visual inspection system which enables the operator to detect minute cracks and hairline flaws in normally inaccessible places of manufactured parts. The system includes a fiberscope in combination with a source of white light and ultraviolet light and a plurality of cannisters for holding dye penetrant and other materials which can be used to facilitate the inspection. The fiberscope includes an articulated probe having a working channel, an ultraviolet light guide and an objective lens. The plurality of cannisters are connected to the working channel through a manifold. Dye penetrant, cleaning solution, drying air and developer can be individually delivered to the remote surface to be tested through the working channel from the cannisters. The fiberscope is provided with an adjuster for bending the articulated probe in different directions to facilitate application of the aforesaid materials and the subsequent visual inspection. Dye penetrant which is entrapped in cracks fluoresces brightly when illuminated by the ultraviolet light so that the cracks are easily identified.
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Eisenberg Jacob M.
Hannaher Constantine
Olympus Corporation
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