X-ray or gamma ray systems or devices – Beam control – Scanner
Patent
1992-11-25
1993-10-26
Church, Craig E.
X-ray or gamma ray systems or devices
Beam control
Scanner
378145, G21K 510
Patent
active
052573052
ABSTRACT:
A slit radiography device scans a body under examination with a fan shaped X-ray beam. A number of absorption elements placed next to each other can be moved into the X-ray beam to a greater or lesser extent in order to influence the X-ray radiation incident on the body per sector of the X-ray beam.
As seen in the longitudinal direction of the slit the absorption elements are designed such that a certain distance is present between them. As seen in the direction of the X-ray radiation the thickness of the material of the absorption elements is always the same, i.e. there are no gaps between the absorption elements that the X-ray radiation can shine through.
REFERENCES:
patent: 4856040 (1989-08-01), Geluk
Boelens Frederik J.
Nouwen Gijsbertus G.
van Elburg Hendrik J.
BV Optische "De Oude Delft 38
Church Craig E.
Marn Louis E.
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