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X-RAY GENERATION TUBE, X-RAY GENERATION DEVICE INCLUDING THE X-RAY GENERATION TUBE, AND X-RAY IMAGING SYSTEM
X-RAY GENERATION TUBE, X-RAY GENERATION DEVICE INCLUDING THE X-RAY GENERATION TUBE, AND X-RAY IMAGING SYSTEM
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机译:X射线发生管,包括X射线发生管的X射线发生装置和X射线成像系统
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摘要
Provided is a high-output X-ray generation tube in which thermal damage to a target is reduced. The X-ray generation tube includes a target, an electron source, and a grid electrode having multiple electron passage apertures disposed between the target and the electron source. A source-side electron beam on the electron source side with respect to the grid electrode has a current density distribution, and the grid electrode has an aperture ratio distribution so that a region of the source-side electron beam in which a current density is largest is aligned with a region of the grid electrode in which an aperture ratio is smallest.
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