Grid arrangement for X-ray apparatus
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United States of America Patent
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Aug 2, 2005
Grant Date -
Apr 8, 2004
app pub date -
Nov 22, 2001
filing date -
Nov 22, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Grid arrangement (1) for use with an X-ray apparatus (70) that is provided with an X-ray source and a recording element, it being possible, in operation, to place the grid arrangement (1) against the recording element and the grid arrangement being equipped to accommodate a flat grid (3) that comprises a multiplicity of elongated thin lamellae. The lamellae are placed essentially parallel to one another in a direction parallel to one surface of the grid (3), and the lamellae are oriented towards a focal axis a specific distance above the surface of the grid (3). The grid arrangement (1) further comprises drive means (8) which are equipped to move the grid (3) in a pendulum movement essentially about an axis of rotation and adjustment means (4, 10) for adjusting the axis of rotation of the pendulum movement to match the focal axis of the grid (3).
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