Radiant energy – Invisible radiant energy responsive electric signalling – Infrared responsive
Patent
1985-12-13
1988-03-22
Yasich, Daniel M.
Radiant energy
Invisible radiant energy responsive electric signalling
Infrared responsive
1566591, 209577, 374124, 374186, 427 8, G01J 502, G01K 102
Patent
active
047330791
ABSTRACT:
A method and apparatus for the non-destructive identification of coated and uncoated metal parts employing infrared thermography. The apparatus comprises a means for directing infrared radiation onto the surface of a part; a means for scanning the part surface for reflected infrared radiation; a means for capturing the reflected radiation and converting it into a signal representative of variations in radiation reflected from the surface of the part; means for etching an identifying code into the surface of the part; and means for displaying the signal as a video image. The method comprises altering the surface reflective characteristics of a part to produce an identifying code, irradiating the part with infrared radiation of a specific wavelength and detecting differences in the amount and intensity of radiation reflected from the part.
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Adams Mark J.
Crisman, Jr. Elton M.
Khan Asrar A.
Katz Eric R.
Lockheed Corporation
Yasich Daniel M.
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