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Screen/film system speed: its dependence on x-ray energy.

Authors
  • Vyborny, C J
  • Metz, C E
  • Doi, K
  • Rossmann, K
Type
Published Article
Journal
Radiology
Publication Date
Dec 01, 1977
Volume
125
Issue
3
Pages
811–816
Identifiers
PMID: 928715
Source
Medline
License
Unknown

Abstract

Dependence of the speed of various screen/film systems on x-ray energy was studied using the nearly monoenergetic x rays emitted by a filtered fluorescent source. The results show that response depends on screen phosphor composition and thickness. Barium and rare earth screens having K absorption energies lower than that of calcium tungstate are relatively more sensitive to x rays in the 40-70-keV region.

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