PET and SPECT systems with attenuation correction

A radiation source comprising: a source of radiation; a plate having an aperture formed therein, said aperture facing the source of radiation; and means for moving the source when no radiation is desired on the side of the plate away from the source.

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Bibliographische Detailangaben
1. Verfasser:	WAINER NAOR
Format:	Patent
Sprache:	eng
Schlagworte:	DECONTAMINATION ARRANGEMENTS THEREFOR GAMMA RAY OR X-RAY MICROSCOPES IRRADIATION DEVICES MEASUREMENT OF NUCLEAR OR X-RADIATION MEASURING NUCLEAR ENGINEERING NUCLEAR PHYSICS PHYSICS PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULARRADIATION OR PARTICLE BOMBARDMENT TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOTOTHERWISE PROVIDED FOR TESTING TREATING RADIOACTIVELY CONTAMINATED MATERIAL
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Beschreibung
Zusammenfassung:	A radiation source comprising: a source of radiation; a plate having an aperture formed therein, said aperture facing the source of radiation; and means for moving the source when no radiation is desired on the side of the plate away from the source.