Non-destructive sectional shape inspecting method and apparatus

Details Non-destructive sectional shape inspecting method and apparatus Non-destructive sectional shape inspecting method and apparatus

1989-06-20

1991-03-05

Tokar, Michael J.

Electricity: measuring and testing

Particle precession resonance

Using a nuclear resonance spectrometer system

324318, G01R 3320

Patent

active

049980653

ABSTRACT:
A non-destructive sectional shape inspecting apparatus and method. An object to be inspected is internally and/or externally filled with a material capable of reradiating a nuclear magnetic resonance signal, whereon high frequency pulses and gradient magnetic fields are applied to obtain a nuclear magnetic resonance signal which is processed into an image signal. A portion of the image signals where no nuclear magnetic resonance signal makes appearance is extracted to be utilized for plotting the sectional shape of the object under test.

REFERENCES:
patent: 4528510 (1985-07-01), Loeffler et al.
patent: 4551678 (1985-11-01), Morgan et al.
patent: 4581582 (1986-04-01), Redington
patent: 4613819 (1986-09-01), Chui
patent: 4625168 (1986-11-01), Meyer et al.

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