BLANKING OF ELECTRON BEAM DURING DYNAMIC FOCAL SPOT JUMPING IN CIRCUMFERENTIAL DIRECTION OF A ROTATING ANODE DISK OF AN X-RAY TUBE

An apparatus (210) and method for total or partial blanking of an electron beam (e) during a jump between the 2 or more positions of a dynamic focal spot (FP) movement in circumferential direction of the electron beam impinging on the focal track (FPTR) of a rotating target disk (230) of a X-ray tub...

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Bibliographische Detailangaben
Hauptverfasser:	BATHE, CHRISTOPH HELMUT, REPENNING, THORBEN
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS DIAGNOSIS ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY HUMAN NECESSITIES HYGIENE IDENTIFICATION INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MEDICAL OR VETERINARY SCIENCE PHYSICS SURGERY TESTING X-RAY TECHNIQUE
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Beschreibung
Zusammenfassung:	An apparatus (210) and method for total or partial blanking of an electron beam (e) during a jump between the 2 or more positions of a dynamic focal spot (FP) movement in circumferential direction of the electron beam impinging on the focal track (FPTR) of a rotating target disk (230) of a X-ray tube (110). Alternatively the focal spot size can be increased during this short time interval. Overheating of the anode at the focal spot can be prevented.