The X-Ray Storage Properties of the Infra-Red Storage Phosphor and Application to Radiography

Abstract

An application of the characteristics of infra‐red storage phosphors to radiography is described, whereby the expense and trouble of x‐ray film processing may be partially or completely eliminated. The properties of these materials to store x‐ray energy for periods of time and release that energy upon exposure to infra‐red radiation have proved practical for either temporary and permanent recording of the latent x‐ray image. One distinct feature of this method is the complete removal of harmful x‐radiation to the technician. The possibility of a new field of radiography in ``flash fluoroscopy'' is also suggested by the authors. Graphs and charts exhibiting the characteristic behavior of infra‐red phosphors to x‐ray energy are included as well as actual photographs and radiographs comparing radiography with phosphorography.