Non-destructive testing apparatus and non-destructive...

Details Non-destructive testing apparatus and non-destructive... Non-destructive testing apparatus and non-destructive...

2006-06-07

2009-02-03

Lefkowitz, Edward (Department: 2855)

Thermal measuring and testing

Leak or flaw detection

With heating or cooling of specimen for test

C374S004000, C374S043000

Reexamination Certificate

active

07484883

ABSTRACT:
To detect a defect without being limited to the current path of a sample. The presence or absence of a defect in a sample is detected by allowing said sample to stand for a predetermined period of time after heating said sample with a heat source and by observing the temperature distribution formed on said sample by an observation unit.

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“History of Development of Obirch method, Present and Future Perspective” Journal of Reaj, vol. 25, No. 8, pp. 853 to 856 (2003).

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