Intensifying Screens for Gamma Ray Radiography

Abstract

Four different sets of calcium tungstage intensifying screens were exposed to gamma rays and from the resulting film densities, exposure charts were prepared. It was found that, when compared to the standard lead-foil intensifying screens, the calcium tungstate screens reduce the exposure time considerably. However, the intensity does not vary according to the inverse square law and the sensitivity or definition is not as good as can be obtained with the lead-foil screens.

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Document Details

Document Type
Technical Report
Publication Date
Aug 25, 1936
Accession Number
AD1152258

Entities

People

  • C. W. Briggs
  • R. A. Gezelius

Organizations

  • United States Naval Research Laboratory

Tags

DTIC Thesaurus Topics

  • Chemical Compounds
  • Electromagnetic Radiation
  • Gamma Rays
  • Intensity
  • Ionizing Radiation
  • Metallic Compounds
  • Nuclear Radiation
  • Radiation
  • Sensitivity
  • Standards
  • Tungstates

Fields of Study

  • Physics

Readers

  • Nuclear and Radiation Engineering.
  • Surface Engineering/Surface Coating Technology.