X-ray focal spot locating apparatus and method

Details X-ray focal spot locating apparatus and method X-ray focal spot locating apparatus and method

1983-06-16

1985-07-30

Smith, Alfred E.

X-ray or gamma ray systems or devices

Accessory

Testing or calibration

378149, 2505051, G01D 1800

Patent

active

045326460

ABSTRACT:
An X-ray beam finder for locating a focal spot of an X-ray tube includes a mass of X-ray opaque material having first and second axially-aligned, parallel-opposed faces connected by a plurality of substantially identical parallel holes perpendicular to the faces and a film holder for holding X-ray sensitive film tightly against one face while the other face is placed in contact with the window of an X-ray head.

REFERENCES:
patent: 3013157 (1961-12-01), Norton
patent: 3222524 (1965-12-01), Lee
patent: 3412246 (1968-11-01), Horwitz
patent: 3886367 (1975-05-01), Castle
patent: 3928767 (1975-12-01), Roeck
patent: 3943366 (1976-03-01), Platz et al.
patent: 3947687 (1976-03-01), Fenstermacher
patent: 3950651 (1976-04-01), Flocee
patent: 4228356 (1980-10-01), Cushman
patent: 4288697 (1981-09-01), Albert
K. Nishizawa, "Alignment of X-ray Tube Focal Spots for Spectral Measureme" Med. Phys. 9(2), Mar./Apr. 1982, pp. 284-287.

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