Rotating sample holder for random angle sampling in tomography
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United States of America Patent
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Aug 27, 2024
Grant Date -
Nov 23, 2023
app pub date -
Jul 24, 2023
filing date -
Apr 8, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
A sample holder retains a sample and can continuously rotate the sample in a single direction while the sample is exposed to a charged particle beam (CPB) or other radiation source. Typically, the CPB is strobed to produce a series of CPB images at random or arbitrary angles of rotation. The sample holder can rotate more than one complete revolution of the sample. The CPB images are used in tomographic reconstruction, and in some cases, relative rotation angles are used in the reconstruction, without input of an absolute rotation angle.
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