Energy degrader

An energy degrader for attenuating the energy of a charged particle beam (50) and comprising two energy attenuation members (A, B) having different masses. The degrader further comprises a drive unit (10) configured to move simultaneously the two energy attenuation members at respectively a first an...

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Bibliographische Detailangaben
1. Verfasser:	CLAEREBOUDT, YVES
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY ELECTROTHERAPY GAMMA RAY OR X-RAY MICROSCOPES HUMAN NECESSITIES HYGIENE IRRADIATION DEVICES MAGNETOTHERAPY MEDICAL OR VETERINARY SCIENCE NUCLEAR ENGINEERING NUCLEAR PHYSICS PHYSICS PLASMA TECHNIQUE PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OFNEUTRONS PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMICBEAMS RADIATION THERAPY TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOTOTHERWISE PROVIDED FOR ULTRASOUND THERAPY
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Beschreibung
Zusammenfassung:	An energy degrader for attenuating the energy of a charged particle beam (50) and comprising two energy attenuation members (A, B) having different masses. The degrader further comprises a drive unit (10) configured to move simultaneously the two energy attenuation members at respectively a first and a second speed across the particle beam (50) during a first movement and to move the lightest of the two energy attenuation members at a third speed across the particle beam (50) during a second movement, the third speed being higher than the first speed. More accurate and faster variation of the energy of the charged particle beam (50) can hence be achieved.