Traveling cathode X-ray source

Details Traveling cathode X-ray source Traveling cathode X-ray source

1980-01-21

1981-11-10

Church, Craig E.

Radiant energy

Inspection of solids or liquids by charged particles

Analyte supports

250406, 313 60, G03B 4116

Patent

active

043000517

ABSTRACT:
A scanning X-ray source with an evacuated cylindrical chamber which bounds a cavity that is configured to receive a patient undergoing diagnosis. A moving electron beam is generated from a cathode which is attached to a rotating drum that is mounted within the chamber. The moving electron beam is directed towards and moves along a fixed annular anode mounted within the chamber. The points of beam impingement on the anode define a moving source of X-rays which sequentially irradiate the body from all directions. A plurality of detectors mounted adjacent the anode measure the amount of X-ray absorption. A processor receives the detected signals and reconstructs the absorption at each point to provide a two-dimensional density presentation for each body cross section.

REFERENCES:
patent: 4075489 (1978-02-01), Neal
patent: 4128781 (1978-12-01), Flisikowski
patent: 4227088 (1980-10-01), Maydan

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