Automatic x-ray beam equalizer

Details Automatic x-ray beam equalizer Automatic x-ray beam equalizer

1997-08-27

1999-03-09

Church, Craig E.

X-ray or gamma ray systems or devices

Beam control

Filter

378156, G21K 300

Patent

active

058811273

ABSTRACT:
The present invention provides for an improved automatic x-ray beam equalizer. By analyzing an initial low dosage x-ray image of an object, an attenuation pattern can be calculated. An equalization pattern, generated from the attenuation pattern, can then be created in a mask and placed in the path of a full x-ray beam scan using a stepper motor assembly in order to properly attenuate the x-ray signal and create a clearer x-ray image of the object.

REFERENCES:
Peppler et al "Digitally Controlled Beam Actuator", SPIE 37:106-111 (1982).

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