Absorption and scatter with an acrylic plate attached to the front of an X-ray beam limiting device

We measured X-ray absorption and scatter with an acrylic plate attached to the front of the X-ray beam limiting device. The acrylic plate played the role of an added filter, absorbing the low energy element of the X-ray beam and decreasing the surface dose to 4.3% of the extreme height as a result....

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Bibliographic Details
Published inNippon Hōshasen Gijutsu Gakkai zasshi Vol. 58; no. 7; p. 931
Main Authors Tachibana, Masayuki, Izumi, Takashi, Yoshinaka, Masanori
Format Journal Article
LanguageJapanese
Published Japan 01.07.2002
Subjects
Absorption
Acrylic Resins
Filtration
Phantoms, Imaging
Radiation Dosage
Radiation Protection - instrumentation
Radiography - instrumentation
Radiometry
Scattering, Radiation
X-Rays
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Summary:We measured X-ray absorption and scatter with an acrylic plate attached to the front of the X-ray beam limiting device. The acrylic plate played the role of an added filter, absorbing the low energy element of the X-ray beam and decreasing the surface dose to 4.3% of the extreme height as a result. However, the surface dose outside the irradiation field increased to 35.3% of the extreme height, and the scatter dose increased to 47.8% of the extreme height. An acrylic plate with the minimum thickness necessary should be used to decrease unnecessary exposure outside the irradiation field.
ISSN:0369-4305
DOI:10.6009/jjrt.KJ00001364334