Non-contacting gage apparatus and method

Details Non-contacting gage apparatus and method Non-contacting gage apparatus and method

1977-02-03

1978-10-10

Smith, Alfred E.

Radiant energy

Calibration or standardization methods

250308, 250358R, G01D 1800, G21K 700, G01N 2300

Patent

active

041198468

ABSTRACT:
The disclosure is directed to a non-contacting gage apparatus and method of the type wherein radiation attenuation is measured to obtain thickness information. A first function is developed and is representative of the thickness of standard pieces versus measurement values. A second function is developed and is representative of the Absorption Index of alloy material (to be measured) versus thickness. Calibration can then be effected using the two functions and the nominal thickness of material to be measured.

REFERENCES:
patent: 3524063 (1970-08-01), Mangan
patent: 3611408 (1971-10-01), Shoemaker
patent: 4009376 (1977-02-01), Faraguet

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