Broad aperture X-ray generator

Details Broad aperture X-ray generator Broad aperture X-ray generator

1974-12-09

1976-11-16

Smith, Alfred E.

Radiant energy

Radiant energy generation and sources

With radiation modifying member

250505, H01J 3516

Patent

active

039926338

ABSTRACT:
An extended radiating aperture for X-rays is provided by means of a stationary target of an X-ray emissive metal positioned for uniform illumination by high speed electrons emanating from a cathode and accelerating through a difference of potential between the cathode and the target. The target is in the form of a relatively thin film which can be deposited on a substrate transparent to X-radiation. The substrate cools the target. The generator is advantageously utilized with a zone plate which provides a coding on a roentgenogram which is then decoded by an optical processor to form a visible image of an object being X-rayed. An alternative embodiment of the invention includes the use of an inclined transmissive target for enhanced monochromaticity to emitted radiation.

REFERENCES:
patent: 2531583 (1950-11-01), Ott
patent: 2535708 (1950-12-01), Vlach
patent: 3171029 (1965-02-01), Boucher
patent: 3171030 (1965-02-01), Foster et al.
patent: 3239706 (1966-03-01), Farrell et al.
patent: 3502877 (1970-03-01), Splain
patent: 3517195 (1970-06-01), Leavitt
patent: 3662210 (1972-05-01), Maximov
patent: 3668454 (1972-06-01), Shimura
patent: 3867637 (1975-02-01), Braun et al.
patent: 3894239 (1975-07-01), Braun

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