Country
Full text data for US,EP,CN
Type
Legal Validity
Legal Status
Filing Date
Publication Date
Inventor
Assignee
Click to expand
IPC(Section)
IPC(Class)
IPC(Subclass)
IPC(Group)
IPC(Subgroup)
Agent
Agency
Claims Number
Figures Number
Citation Number of Times
Assignee Number
No. Publication Number Title Publication/Patent Number Publication/Patent Number Publication Date Publication Date
Application Number Application Number Filing Date Filing Date
Inventor Inventor Assignee Assignee IPC IPC
1 CN108780726B
具有结构支撑的平面发射器的X射线管
Valid
Title (English): x ray tubes with structurally supported planar emitters
Publication/Patent Number: CN108780726B Publication Date: 2020-02-14 Application Number: 201780017750.1 Filing Date: 2017-03-16 Inventor: G·f·维沙普   J·r·博野   M·c·格林   D·h·亨伯   Assignee: 万睿视影像有限公司   IPC: H01J35/06 Abstract: 一种阴极头(15)可包括:绝缘块体(226),所述绝缘块体(226)位于基部(216)上;电子发射器(222),所述电子发射器(222)具有由多个细长横档(235)形成的平面发射器表面(234),所述多个细长横档(235)从第一发射器端部(233a)到第二发射器端部(233b)通过多个转弯部(236)连接在一起以便形成蛇形发射器图案(230);多个细长支腿(240),所述多个细长支腿(240)相对于所述平面发射器表面(234)以一定角度从所述多个转弯部(236)延伸,所述支腿(240)中的每一个与所述绝缘块体(226)联接;所述第一发射器端部(233a)处的细长第一引线支腿(231a)以及所述第二发射器端部(233b)处的细长第二引线支腿(231b);第一电引线(227a)和第二电引线(227b),所述第一电引线(227a)和所述第二电引线(227b)从所述基部(216)延伸;以及第一电联接器(224a)和第二电联接器(224b),所述第一电联接器(224a)将所述第一电引线(227a)联接到所述第一引线支腿(231a),所述第二电联接器(224b)将所述第二电引线(227b)联接到所述第二引线支腿(231b)。
2 EP2965341B1
X-RAY CATHODE FILAMENT
Publication/Patent Number: EP2965341B1 Publication Date: 2020-05-06 Application Number: 14719180.3 Filing Date: 2014-03-03 Inventor: Reheis, Nikolaus   KÖgl, Markus   Spielmann, Wolfgang   Pohl, Peter   Assignee: Plansee SE   IPC: H01J35/06
3 EP3430637B1
X-RAY TUBE STRUCTURALLY SUPPORTED PLANAR EMITTER
Publication/Patent Number: EP3430637B1 Publication Date: 2020-07-29 Application Number: 17726160.9 Filing Date: 2017-03-16 Inventor: Virshup, Gary F.   Boye, James R.   Green, Michael C.   Humber, David H.   Assignee: Varex Imaging Corporation   IPC: H01J35/06
4 CN110993469A
阴极头组件、X射线管阴极、X射线管和X射线装置
Under Examination
Publication/Patent Number: CN110993469A Publication Date: 2020-04-10 Application Number: 201911370151.5 Filing Date: 2019-12-26 Inventor: 宋辰玮   宋文昌   陶乃波   李国庆   Assignee: 珠海瑞能真空电子有限公司   IPC: H01J35/06 Abstract: 本发明公开了一种阴极头组件、X射线管阴极、X射线管和X射线装置,阴极头组件包括底座;灯丝,连接有第一金属连杆,并通过所述第一金属连杆安装在所述底座上;聚束块,连接有第二金属连杆,并通过所述第二金属连杆安装在所述底座上且位于所述灯丝的两侧。阴极头组件为模块化结构,降低生产难度,有利于提高生产效率,阴极头组件适用于多种X射线管阴极,有利于提高阴极头组件的通用性。
5 CN108987223B
具有应力补偿特征的扁平发射器
Valid
Publication/Patent Number: CN108987223B Publication Date: 2020-11-06 Application Number: 201810569144.7 Filing Date: 2018-06-05 Inventor: E.兰普   E.艾玛奇   A.马科内   M.赫伯特   M.乌特施   Assignee: 通用电气公司   IPC: H01J35/06 Abstract: 用于在x射线管内使用的扁平发射器由电子发射材料形成,该电子发射材料包括一个或更多个应力补偿特征,该应力补偿特征能够降低归因于热膨胀和/或离心加速力的扁平发射器中的总应力。用于降低扁平发射器中的总应力的发射器的特征直接地形成于发射器上,形成于用于发射器的支撑结构上且连接至发射器,或其组合。
6 CN111710581A
面发射器
Under Examination
Publication/Patent Number: CN111710581A Publication Date: 2020-09-25 Application Number: 202010190261.X Filing Date: 2020-03-18 Inventor: 弗洛里安·瑟颇然特   Assignee: 西门子医疗有限公司   IPC: H01J35/06 Abstract: 本发明涉及一种面发射器,包括:发射器面(2),所述发射器面在施加加热电压时发射电子;和第一端部区域(3),所述第一端部区域具有至少一个第一连接腿(7);以及第二端部区域(4),所述第二端部区域具有至少一个第二连接腿(8)。根据本发明,至少一个连接腿(7,8)构成为带状的连接腿(7;8)并且以可预设的角度沿纵轴线扭转。根据一个优选的设计方案,第一连接腿(7)和第二连接腿(8)构成为带状的连接腿(7,8)并且分别以可预设的角度沿纵轴线扭转。由此获得结构上简单构造的面发射器,所述面发射器具有更长的使用寿命和高的电子发射。
7 EP3699947A2
X-RAY TUBE EMITTER
Publication/Patent Number: EP3699947A2 Publication Date: 2020-08-26 Application Number: 20158468.7 Filing Date: 2020-02-20 Inventor: Hansen, Wayne   Robinson, Vance   Greenland, Kasey   Wang, Gangqiang   Assignee: Varex Imaging Corporation   IPC: H01J35/06 Abstract: An emitter for a closed x-ray tube includes an emitter body 152 formed of a low work function emitter material, the emitter body having a major surface 158 and a secondary surface 159B. The major surface is adapted for emission of electrons from the low work function material. The emitter assembly is adapted to reduce an emission current density emitted from the secondary surface of the emitter body, as compared to the major surface.
8 CN211238151U
一种X射线管阴极组件
Publication/Patent Number: CN211238151U Publication Date: 2020-08-11 Application Number: 202020226330.3 Filing Date: 2020-02-28 Inventor: 邱隆华   王啸   徐枫   方奇   汪上杰   李德保   Assignee: 麦默真空技术无锡有限公司   IPC: H01J35/06 Abstract: 本实用新型公开一种X射线管阴极组件,属于阴极组件技术领域。所述X射线管阴极组件包括阴极底座、灯丝、左栅极、右栅极和定焦片;所述灯丝安装于所述阴极底座正中间;所述左栅极和所述右栅极分别位于所述灯丝两侧,通过改变所述左栅极和所述右栅极的电压来实现左右飞焦;所述左栅极和所述右栅极与所述阴极底座之间分别通过陶瓷片扩散焊焊接;所述定焦片设有两片,分别位于所述灯丝两端,并与所述阴极底座固定连接。该X射线管阴极组件与传统阴极组件采用钎焊或者机械固定连接左右栅极、陶瓷片与阴极底座相比,采用扩散焊焊接,焊接精度高,没有焊料不会出现打火现象,更不会因高温导致连接松动。
9 US10818466B1
X-ray tube and cathode cup with deposition shield
Publication/Patent Number: US10818466B1 Publication Date: 2020-10-27 Application Number: 16/400,735 Filing Date: 2019-05-01 Inventor: Allen, Donald Robert   Dammu, Sandhya   Marconnet, Andrew   Steinlage, Gregory   Assignee: GE Precision Healthcare LLC   IPC: H01J35/06 Abstract: An x-ray tube includes an electron emitter and a cathode cup having a recess that holds the electron emitter. The recess has a bottom surface, and a shield is positioned in the recess between the electron emitter and the bottom surface. The shield is configured to receive deposited sublimated emitter material and to maintain the sublimated emitter material away from the electron emitter.
10 CN111033673A
X射线管
Under Examination
Publication/Patent Number: CN111033673A Publication Date: 2020-04-17 Application Number: 201880051928.9 Filing Date: 2018-03-30 Inventor: 伊藤崇之   Assignee: 佳能电子管器件株式会社   IPC: H01J35/06 Abstract: 根据实施方式,X射线管包括:阳极,上述阳极具有靶面;以及阴极,上述阴极具有第一纤丝及聚焦电极。上述聚焦电极包括谷底部分、从该谷底部分向上述阳极方向倾斜上升的第一倾斜平面、第一聚焦槽、和第一收纳槽。(θ1)>0°。上述第一聚焦槽具有长轴。上述第一聚焦槽的第一延长线侧的一端部比上述第一聚焦槽的另一端部更接近第一基准面。
11 CN106463320B
用于X射线管的电子发射器
Valid
Title (English): Electron launchers for x ray tubes
Publication/Patent Number: CN106463320B Publication Date: 2020-02-04 Application Number: 201580019020.6 Filing Date: 2015-02-10 Inventor: 胡秋红   Assignee: 勒博特公司   IPC: H01J35/06 Abstract: 本文中所呈现的示例性实施方式涉及用于x射线管的电子发射器(22、22_1、22_2、22_3)。该电子发射器包括导电基板(23)和纳米结构材料(24)。该纳米结构材料包含在导电基板的至少一部分上。该纳米结构材料由氧化物、氮化物、硅化物、硒化物或碲化物制成。这种电子发射器可用于混合发射,诸如肖特基发射或场致发射。
12 CN108352282B
用于组装用于X射线管的阴极的方法
Valid
Publication/Patent Number: CN108352282B Publication Date: 2020-05-22 Application Number: 201680066052.6 Filing Date: 2016-10-28 Inventor: Z·泰尔莱茨卡   T·施伦克   Assignee: 皇家飞利浦有限公司   IPC: H01J35/06 Abstract: 本发明涉及用于组装用于X射线管的阴极(10)的方法。阴极包括灯丝(22)、至少两个支撑结构(21)、包括用于灯丝的凹部的主体结构。灯丝被设置为沿电子发射方向(25)朝向阳极发射电子。灯丝由支撑结构保持,该支撑结构被固定地连接到主体结构。灯丝在组装之前被完全再结晶并且具有至少部分螺旋形结构。支撑结构包括用于通过锁定机构可释放地接收灯丝的两个端部的接收端部(24),并且灯丝和凹部的完全对准由灯丝、所述至少两个支撑结构和包括用于灯丝的凹部的主体结构的几何结构给定。本发明实现了一种经改善且方便的阴极组装,该组装提高了操作中定位精度的可靠性。
13 US2020350137A1
X-RAY TUBE AND CATHODE CUP WITH DEPOSITION SHIELD
Publication/Patent Number: US2020350137A1 Publication Date: 2020-11-05 Application Number: 16/400,735 Filing Date: 2019-05-01 Inventor: Allen, Donald Robert   Dammu, Sandhya   Marconnet, Andrew   Steinlage, Gregory   Assignee: GE Precision Healthcare LLC   IPC: H01J35/06 Abstract: An x-ray tube includes an electron emitter and a cathode cup having a recess that holds the electron emitter. The recess has a bottom surface, and a shield is positioned in the recess between the electron emitter and the bottom surface. The shield is configured to receive deposited sublimated emitter material and to maintain the sublimated emitter material away from the electron emitter.
14 EP3651180A1
X-RAY TUBE
Publication/Patent Number: EP3651180A1 Publication Date: 2020-05-13 Application Number: 18846155.2 Filing Date: 2018-03-30 Inventor: Ito, Takayuki   Assignee: Canon Electron Tubes & Devices Co., Ltd.   IPC: H01J35/06 Abstract: According to an embodiment, this X-ray tube is provided with a positive electrode that has a target surface, and a negative electrode having a first filament and a focusing electrode. The focusing electrode includes a valley bottom portion, a first sloped surface that gradually slopes upward from the valley bottom portion in the direction of the positive electrode, a first focusing groove, and a first storage groove. θ1 is greater than 0°. The first focusing groove has a longitudinal axis. One end part on a first extension line side of the first focusing groove is closer to a first reference surface than the other end part of the first focusing groove.
15 US2020303150A1
FLAT EMITTER
Publication/Patent Number: US2020303150A1 Publication Date: 2020-09-24 Application Number: 16/814,192 Filing Date: 2020-03-10 Inventor: Seperant, Florian   Assignee: Siemens Healthcare GmbH   IPC: H01J35/06 Abstract: A flat emitter, in an embodiment, includes an emitter surface to emit electrons when a filament current is applied; a first end region including at least one first connection leg; and a second end region including at least one second connection leg. According to an embodiment, at least one connection leg is embodied as a band-type connection leg and is torsioned at an angle in a longitudinal axis. According to an embodiment, the first connection leg and the second connection leg are embodied as band-type connection legs and in each case are torsioned at a definable angle in a longitudinal axis. As a result, a simply constructed flat emitter in terms of design is achieved, with a longer service life and a high level of electron emission.
16 CN111199854A
一种X射线探伤机用阴极筒
Public
Publication/Patent Number: CN111199854A Publication Date: 2020-05-26 Application Number: 201811375942.2 Filing Date: 2018-11-19 Inventor: 方扬德   潘子文   Assignee: 黄石上方检测设备有限公司   IPC: H01J35/06 Abstract: 本发明涉及一种X射线探伤机用阴极筒,包括有依次连接的上筒、中筒和下筒,其中上筒顶部为封闭结构,上筒、中筒、下筒的直径依次增大,所述中筒的侧壁上还开设有两个圆孔;本发明通过设置一种阴极筒结构,使得阴极筒能够收纳阴极加热器的游离电子,本发明的中筒和下筒筒径较大,加热器腿部一侧的筒径较小,而且也是支承套筒的异形支承体。
17 US2020258710A1
ELECTRON GUN, X-RAY GENERATION APPARATUS, AND X-RAY IMAGING APPARATUS
Publication/Patent Number: US2020258710A1 Publication Date: 2020-08-13 Application Number: 16/864,934 Filing Date: 2020-05-01 Inventor: Tsujino, Kazuya   Nomura, Ichiro   Assignee: Canon Anelva Corporation   IPC: H01J35/06 Abstract: An electron gun includes a cathode including an electron emitting portion, an extraction electrode for extracting electrons emitted from the electron emitting portion, and a focusing electrode for focusing the electrons extracted by the extraction electrode. The focusing electrode includes an outside electrode having a tubular shape, and an inside electrode arranged inside the outside electrode. The inside electrode defines a first space having a columnar shape, and includes a first surface on a side of the cathode, and a second surface on an opposite side of the first surface. An inside surface of the outside electrode and the second surface of the inside electrode define a second space. The inside electrode includes an electron passage hole, and a communicating portion which makes the first space and the second space communicate with each other.
18 EP3629360A2
X-RAY TUBE CATHODE FLAT EMITTER SUPPORT MOUNTING STRUCTURE AND METHOD
Publication/Patent Number: EP3629360A2 Publication Date: 2020-04-01 Application Number: 19199377.3 Filing Date: 2019-09-24 Inventor: Marconnet, Andrew   Steinlage, Gregory   Dammu, Sandhya Abhivandana   Lampe, Evan   Allen, Donald   Utschig, Michael   Scott, William   Bateman, David   Assignee: General Electric Company   IPC: H01J35/06 Abstract: At least one emitter formed of an electron emissive material is positioned on a cathode assembly and is readily and reliably connected to at least one mounting member of the cathode assembly. The connections between the at least one emitter and an emitter support structure are formed directly between the at least one emitter and the emitter support structure by utilizing the at one mounting member on the emitter support structure that are positioned adjacent the at least one emitter and heated to secure the at least one emitter to the emitter support structure by welding the at least one mounting member to the at least one emitter and emitter support structure.
19 CN209896023U
一种用于CT球管灯丝的自动绕灯丝设备
Valid
Title (English): An automatic filament winding device for ct bulb filament
Publication/Patent Number: CN209896023U Publication Date: 2020-01-03 Application Number: 201920945036.5 Filing Date: 2019-06-22 Inventor: 陈少雄   王建军   李仙鹤   蔡少明   吴安理   肖骏   韩连奎   蔡锦韩   Assignee: 汕头高新区聚德医疗科技有限公司   IPC: H01J9/06 Abstract: 一种用于CT球管灯丝的自动绕灯丝设备,包括金属线放卷机构、金属线导向机构、切线装置、灯丝绕线装置和金属线夹送张力控制机构;金属线导向机构包括环形导向机构和多个金属线导向套;金属线夹送张力控制机构包括主动夹送轮、从动夹送轮、夹送升降机构、托板、压线转轴、半圆形压线块、扭力弹簧和摆臂,半圆形压线块的下端设有向下突出的压线端。环形导向机构尽量将金属线展开并避免弯折,确保金属线具有较高的平整度;金属线夹送张力控制机构,使金属线总是处于张紧状态,从而使得球管灯丝的绕圈更加均匀,提高球管灯丝发射的均匀性,并且使得球管灯丝在轴向上的电阻分部均匀、发热均匀,避免局部过热而熔断,延长球管灯丝的使用寿命。
20 CN110828265A
电源电路及场致发射电子源
Under Examination
Title (English): Power circuit and field emission electronic source
Publication/Patent Number: CN110828265A Publication Date: 2020-02-21 Application Number: 201911045808.0 Filing Date: 2019-10-30 Inventor: 唐华平   潘劲松   秦占峰   尹翔宇   占杨炜   Assignee: 新鸿电子有限公司   IPC: H01J35/02 Abstract: 本公开提供了一种电源电路及场致发射电子源,该电源电路包括:经由漏极和源极依次串联连接的场效应晶体管S,1≤i≤n,i、n为自然数,n≥2,S的源极与电压源的负极连接,S的漏极作为电源电路的输出端,用于连接负载;串联连接的第一组二极管D,1≤i≤n,i、n为自然数,n≥2;并联连接的第一组电阻R,2≤j≤n,其中i、j为自然数;以及电流反馈模块,调整依次串联连接的场效应晶体管S,1≤i≤n的内阻,以使通过负载的电流恒定。其中场效应晶体管S,1≤i≤n工作在恒流区。