High energy computed tomography

Details High energy computed tomography High energy computed tomography

1984-03-14

1987-09-01

Cangialosi, Salvatore

X-ray or gamma ray systems or devices

Specific application

Computerized tomography

378 11, 378 17, G01N 302

Patent

active

046913327

ABSTRACT:
Computerized axial tomography is employed with respect to large relatively dense objects such as a solid fuel rocket engine. High energy X-rays, such as a 15 MeV source is used. To develop clean images, a collimator is employed with a relatively minute acceptance angle. Acceptance angles on the order to 1.degree., and in a preferred embodiment 7 minutes of a degree, are used. In a preferred embodiment, the collimator may be located between the object and the detector, although in other embodiments, a pre-collimator may also be used, that is between the X-ray source and the object being illuminated.

REFERENCES:
patent: 3766387 (1973-10-01), Heffan et al.
patent: 4593355 (1986-06-01), Chase
"Computerized Tomography Inspection of Trident Rocket Motors: A Capability Demonstration", Materials Evaluation, vol. 40, No. 12, pp. 1280-1284 (1982) Burstein et al.

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