X-ray or gamma ray systems or devices – Source
Patent
1991-05-22
1992-10-20
Howell, Janice A.
X-ray or gamma ray systems or devices
Source
378143, 378 44, 378145, H01J 3500
Patent
active
051577046
ABSTRACT:
A monochromatic X-ray radiation source includes an anode for producing X-ray radiation, a target enclosed by the anode for converting X-ray radiation into fluorescence radiation and a screen located between the target and the anode for screen the target from electrons. A higher output of fluorescence radiation is attained in that the screen comprises an element having an atomic number greater than 50, for example, tungsten or tantalum.
REFERENCES:
patent: 3567928 (1971-03-01), Davies et al.
patent: 3920999 (1975-11-01), Drexler et al.
patent: 3963922 (1976-06-01), Zulliger et al.
patent: 4903287 (1990-02-01), Harding
Chu Kim-Kwok
Howell Janice A.
Slobod Jack D.
U.S. Philips Corp.
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