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公开(公告)号:US06154521A
公开(公告)日:2000-11-28
申请号:US179018
申请日:1998-10-26
Applicant: Robert B. Campbell
Inventor: Robert B. Campbell
CPC classification number: H01J35/28 , H01J35/12 , H01J2235/10 , H01J2235/1204 , H01J2235/1262 , H01J2235/161
Abstract: An x-ray tube (10) includes an anode (14) connected to a mechanical drive (36). The mechanical drive oscillates the anode in a gyrating motion relative to a body of the x-ray tube. The mechanical drive is operatively connected to the anode via a bellows assembly (16) and is capable of rocking the anode in two axes simultaneously. The preferred anode is shaped in a shperical section (28) providing a fixed focal distance between the anode and a cathode (20) regardless of relative position of the anode within the body. An electron shield (40) is disposed between the cathode and the anode and has an opening along a preferred path for electron travel. Improved heat exchange is provided by applying a heat transfer agent to an obverse side of the anode which is preferably located outside of a vacuum envelope (18) defined by the x-ray tube body, the anode, and the bellows.
Abstract translation: X射线管(10)包括连接到机械驱动器(36)的阳极(14)。 机械驱动器使阳极相对于X射线管的主体以旋转运动振荡。 机械驱动器通过波纹管组件(16)可操作地连接到阳极,并且能够同时在两个轴上摆动阳极。 优选的阳极成形为在阳极和阴极(20)之间提供固定焦距的薄片部分(28),而不管阳极在体内的相对位置如何。 电子屏蔽(40)设置在阴极和阳极之间,并且具有沿电子行进的优选路径的开口。 通过将热传递剂施加到阳极的正面来提供改进的热交换,其优选位于由X射线管体,阳极和波纹管限定的真空外壳(18)的外部。
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公开(公告)号:WO2019102216A1
公开(公告)日:2019-05-31
申请号:PCT/GB2018/053400
申请日:2018-11-23
Applicant: ADAPTIX LTD
Inventor: MCKEAN, Wes , WELLS, Steve , TRAVISH, Gil
CPC classification number: A61B6/4007 , A61B6/025 , A61B6/06 , A61B6/4429 , A61B6/4476 , A61B6/547 , H01J2235/068 , H01J2235/161 , H01J2235/163
Abstract: An x-ray imaging device (10) comprising at least two substantially planar panels (20, 21), each panel comprising a plurality of x-ray emitters housed in a vacuum enclosure, wherein the at least two panels each have a central panel axis (28) and are arranged such that their central panel axes are non-parallel to one another, the device further comprising a panel retaining means and arranged such that the panel retaining means retains the at least two panels stationary in relation to an object during x-raying of the object.
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