Radiographic calibration phantom

Details Radiographic calibration phantom Radiographic calibration phantom

1994-12-01

1996-02-20

Porta, David P.

X-ray or gamma ray systems or devices

Accessory

Testing or calibration

378 18, G01D 1800

Patent

active

054936012

ABSTRACT:
A phantom for determining attenuation by a combination of materials of polychromatic X-rays comprises a number of tubes that can be positioned in between a source emitting said X-rays and an X-ray detector. The tubes are held in a position so that they are directed towards the position of a source of radiation. In each tube a combination of thicknesses of said materials is provided.

REFERENCES:
patent: 2356358 (1944-08-01), Schneeman
patent: 4280047 (1981-07-01), Enos
patent: 4352020 (1982-09-01), Hariba et al.
patent: 4460832 (1984-07-01), Bighem
patent: 4873707 (1989-10-01), Robertson
patent: 4980904 (1990-12-01), Sones et al.
patent: 4985906 (1991-01-01), Arnold
patent: 5056130 (1991-10-01), Engel

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