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    • 1. 发明专利
    • X-ray tube and operation method thereof
    • X射线管及其操作方法
    • JP2014026964A
    • 2014-02-06
    • JP2013118928
    • 2013-06-05
    • Agilent Technologies Incアジレント・テクノロジーズ・インクAgilent Technologies, Inc.
    • DAMIAN KUCHARCZYK
    • H01J35/10H01J35/20H05G1/02H05G1/04
    • H01J35/106H01J35/20
    • PROBLEM TO BE SOLVED: To provide an X-ray tube including an appropriate sealing between the components of a rotation anode X-ray tube by compact design.SOLUTION: An X-ray tube (100) generating an X-ray beam (102) includes an anode (104) mounted rotatably and generating an X-ray when exposed to an electron beam (106), a hollow space (108) in the anode (104), a cooling unit (110) for cooling the anode (104) by fluid circulation in the hollow space (108), and a vacuum pump arrangement (114, 136, 150) for generating a first vacuum (116) in the hollow space (108), and generating a second vacuum (118) of a lower pressure value than that of the first vacuum (116) in a space (112) surrounding the anode (104). The vacuum pump arrangement (114, 136, 150) includes a pump (114) disposed to form a continuous pressure gradient between the first vacuum (116) and second vacuum (118).
    • 要解决的问题:提供一种包括通过紧凑设计在旋转阳极X射线管的部件之间适当密封的X射线管。解决方案:产生X射线束(102)的X射线管(100) 包括可旋转地安装并在暴露于电子束(106)时产生X射线的阳极(104),阳极(104)中的中空空间(108),用于冷却阳极(104)的冷却单元(110) 通过中空空间(108)中的流体循环,以及用于在中空空间(108)中产生第一真空(116)的真空泵装置(114,136,150),以及产生下部的第二真空(118) 压力值高于围绕阳极(104)的空间(112)中的第一真空(116)的压力值。 真空泵装置(114,136,150)包括设置成在第一真空(116)和第二真空(118)之间形成连续压力梯度的泵(114)。