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ARRANGEMENT FOR GENERATION OF X-RAY RADIATION HAVING A LARGE REAL FOCUS AND A VIRTUAL FOCUS ADJUSTED ACCORDING TO REQUIREMENTS
ARRANGEMENT FOR GENERATION OF X-RAY RADIATION HAVING A LARGE REAL FOCUS AND A VIRTUAL FOCUS ADJUSTED ACCORDING TO REQUIREMENTS
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机译:具有较大实际焦点和根据要求调整的虚拟焦点的X射线辐射生成安排
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摘要
An arrangement for generating X-ray radiation includes an anode (9) formed as a part of a sphere, at least one virtual focus element (4) adapted to emit generated photons to create the useful beam field. The arrangement has a larger real focus than known X-ray tubes and arrangements for generating X-ray with an inclined anode surface, and achieves an increased radiation amount per unit of time, provided that the acceleration voltage and the electron density for each anode surface unit are equal for both arrangements. The virtual focus element (4) can be adapted to a specific field of application. Time- and geometry-related imaging errors may be avoided due to the high photon density and a focus which can be adapted to the requirements.
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