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
Distribution Statement : APPROVED FOR PUBLIC RELEASE