X-ray or gamma ray systems or devices – Accessory – Testing or calibration
Patent
1993-02-23
1994-03-15
Porta, David P.
X-ray or gamma ray systems or devices
Accessory
Testing or calibration
378204, G01D 1800
Patent
active
052951766
ABSTRACT:
A method of measuring an accelerating voltage applied to an x-ray source to produce x-rays includes applying an accelerating voltage to an x-ray source to produce x-ray radiation having an axis; diffracting first and second portions of the x-ray radiation that are symmetrically disposed relative to an axis with a single crystal material to produce two spectra of the x-ray radiation, each spectrum including continuous x-ray radiation having an end point energy at the maximum energy of the x-ray radiation; forming an image of the spectra of the x-ray radiation including respective end point energies; and measuring the separation of the respective end point energies of the spectra of the image and, thereby, determining the accelerating voltage applied to the x-ray source.
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Law, "The Measurement And Routine Checking Of Mammography X-ray Tube kV", Phys. Med. Biol., vol. 36, No. 8, 1991, pp. 1133-1139.
Porta David P.
The United States of America as represented by the Secretary of
Wyand Jeffrey A.
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