Method and system for adjusting focal point position
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United States of America Patent
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Nov 15, 2022
Grant Date -
Sep 24, 2020
app pub date -
Jun 6, 2020
filing date -
Jun 10, 2017
priority date (Note) -
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Abstract
The present disclosure relates to a method and system for adjusting a focal point position of an X-ray tube. The method may include: obtaining a first thermal capacity and a first position of a focal point of an X-ray tube; obtaining a second thermal capacity of the X-ray tube; determining a second position of the focal point the X-ray tube based on the second thermal capacity; determining a target grid voltage difference of a focusing cup of the X-ray tube based on the first position and the second position of the focal point; and adjusting the X-ray tube based on the target grid voltage difference.
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