Electron accelerator comprising a target exposed to the electron

Details Electron accelerator comprising a target exposed to the electron Electron accelerator comprising a target exposed to the electron

1977-12-22

1979-06-05

Anderson, Bruce C.

Radiant energy

Radiant energy generation and sources

With radiation modifying member

250398, 250505, H01J 3500

Patent

active

041574753

ABSTRACT:
In order to supply a dose rate which is as constant as possible over the cross section of the x-ray cone for radiation therapy, especially at lesser tissue depths (e.g. 3 cm), the surfaces of the collimator which define the margin of the x-ray cone are roughened for example by means of grooves transverse to the radiation direction, the grooves having semicircular or step-shaped cross sectional configuration, and advantageously being formed in a thin walled sleeve of low atomic number.

REFERENCES:
patent: 2844736 (1958-07-01), Johns et al.
patent: 3040175 (1962-06-01), Kern
patent: 3227880 (1966-01-01), Wideroe
patent: 3969629 (1976-07-01), McIntyre
patent: 3992633 (1976-11-01), Braun et al.

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