Accession Number : AD0163683

Title :   Digital Scale for Tomography and Method of Using Same.

Descriptive Note : Patent,

Corporate Author : OFFICE OF THE SECRETARY OF THE ARMY WASHINGTON D C

Personal Author(s) : DeClerk,Joseph L. ; Weinstock,Martin

Report Date : 18 APR 1972

Pagination or Media Count : 4

Abstract : The patent describes a test for measuring the depth of focus of an X-ray exposure. The test object is comprised of a planar surface of X-ray transparent material on which are positioned a coded array of X-ray opaque elements. In use, the test object is angularly inclined to the X-ray field so that the number of coded elements in focus in the resulting X-ray exposure provides ameasurement of the depth of focus of the X-ray device.

Descriptors :   (*RADIOGRAPHY, *PATENTS), X RAY PHOTOGRAPHY, TEST EQUIPMENT

Subject Categories : Test Facilities, Equipment and Methods
      Photography

Distribution Statement : APPROVED FOR PUBLIC RELEASE