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):

Report Date:

1972-04-18

Pagination or Media Count:

4.0

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.

Subject Categories:

  • Test Facilities, Equipment and Methods
  • Photography

Distribution Statement:

APPROVED FOR PUBLIC RELEASE