BOWTIE FILTER, RADIATION SCANNING APPARATUS, AND RADIATION SCANNING METHOD
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United States of America Patent
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Issued Date -
Jan 21, 2021
app pub date -
Nov 13, 2018
filing date -
Nov 13, 2018
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Abstract
The present disclosure discloses a bowtie filter, a radiation scanning apparatus, and a radiation scanning method, and is used for improving the versatility of the bowtie filter, simplifying the operation of radiation scanning, and improving the efficiency of radiation scanning. The bowtie filter includes a filter body having at least two filter regions. Each of the at least two filter regions is in contact with or partially coincident with an adjacent filter region, and every two adjacent filter regions have different radiation compensation amounts. The radiation scanning apparatus includes a radiation source and the bowtie filter. The bowtie filter is disposed at a light outlet side of the radiation source, and each filter region of the bowtie filter corresponds to a different irradiation field of the radiation source.
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