TWO-DIMENSIONAL SMALL ANGLE X-RAY SCATTERING CAMERA
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United States of America Patent
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Nov 21, 2006
Grant Date -
Nov 30, 2006
app pub date -
May 31, 2005
filing date -
May 31, 2005
priority date (Note) -
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Abstract
A two-dimensional x-ray scattering camera includes a source, an optic, a detector, and a pair of collimating blocks. The source emits x-ray beams that are reflected by the optic towards a sample. The detector detects scattering from the sample, the pair of collimating blocks is positioned between the optic and the detector to collimate the beam. A bottom surface of one block is substantially parallel a top surface of the other block, and the blocks are rotatable relative to the beam about a pivot. The system forms a two-dimensional beam that is symmetric about the primary beam axis at the detector position, regardless how the beam is collimated by the collimating blocks. The system therefore eliminates smearing and can be used for anisotropic small angle scattering at high resolution and low Qmin.
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