X-ray tube for a stereoscopic imaging

US11901152B2 · kind B2 · utility

Assignee

• Siemens Healthcare Limited · DE

Inventors

• Peter GEITHNER · Erlangen, DE
• Jörg Freudenberger · Eckental, DE
• Christoph JUD · Nuremberg, DE
• Anja Fritzler · Simmerath, DE
• Josef Deuringer · Herzogenaurach, DE
• Peter Hackenschmied · Nuremberg, DE

Key dates

• Filing date: Jul 27, 2022
• Grant date: Feb 13, 2024
• Expiry date: Jul 27, 2042

Classification

• Technology area (CPC H): Electricity
• CPC primary: H05G1/52
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

Some example embodiments provide an x-ray tube for a stereoscopic imaging having an evacuated x-ray tube housing; an electron emitter apparatus in the x-ray tube housing, the electron emitter apparatus including a first field effect emitter with a first emitter surface and a second field effect emitter with a second emitter surface, at least one of the first emitter surface or the second emitter surface being segmented such that a portion of the at least one of the first emitter surface or the second emitter surface can be set relative to the respective overall emitter surface by selectively switching emitter segments of the at least one of the first emitter surface or the second emitter surface; an anode unit in the x-ray tube housing, the anode unit configured to generate x-ray radiation for the stereoscopic imaging as a function of electrons striking two focal points; and a control unit.