公开(公告)号：US07567650B2

公开(公告)日：2009-07-28

申请号：US10556612

申请日：2004-05-12

Applicant: Geoffrey Harding ,  Bernd R. David

Inventor： Geoffrey Harding ,  Bernd R. David

IPC: H01J35/08

CPC classification number: H01J35/12 ,  H01J35/08 ,  H01J2235/082

Abstract: The present invention relates to an X-ray source for the generation of fluorescent X-rays. The X-ray source is realized by an electron source for the emission of electrons and a target which emits X-rays in response to the incidence of the electrons, the target comprising a ring-shaped primary target for the emission of primary X-rays in response to the incidence of the electrons and a secondary target for the emission of fluorescent X-rays in response to the incidence of the primary X-rays. To obtain an enhanced radiance, it is proposed that the primary target comprises a liquid metal channel arranged in a radial direction relative to a central axis, and that a liquid metal circulates in the liquid metal channel during operation of the X-ray source in the radial direction from an inner side to an outer side of the ring-shaped primary target.

Abstract translation: 本发明涉及用于产生荧光X射线的X射线源。 X射线源由用于发射电子的电子源和响应于电子的入射而发射X射线的靶实现，靶包括用于发射初级X射线的环形主要靶 响应于电子的入射和响应于初级X射线的入射而发射荧光X射线的次级靶。 为了获得增强的辐射度，提出主要目标包括相对于中心轴线沿径向布置的液态金属通道，并且在X射线源的操作期间液体金属在液态金属通道中循环 径向从环状主要靶的内侧到外侧。

公开(公告)号：US20090154650A1

公开(公告)日：2009-06-18

申请号：US12332100

申请日：2008-12-10

Applicant: Eiji TANABE

Inventor： Eiji TANABE

IPC: H01J35/30

CPC classification number: H01J35/14 ,  A61N5/1042 ,  A61N5/1084 ,  H01J35/08 ,  H01J2235/086

Abstract: The electron beam corresponding to radiation intensity data 112 is output from an electron source 103 by supplying high energy pulse p-1 through p-n corresponding to the radiation intensity data 112 of the radiation field to electron source 103 from power source 108. This electron beam is deflected to be incident in parallel to the medial axis of the X-ray target tube by a deflection means comprising electromagnets, X-ray beam x-1 through x-n which electron beam collides to the inner wall of X-ray target tube 104-1 through 104-n, and have desired intensity is irradiated.

Abstract translation: 对应于辐射强度数据112的电子束通过从电源108向电子源103提供对应于辐射场的辐射强度数据112的高能脉冲p-1至pn从电子源103输出。该电子束是 通过包括电磁体，X射线束x-1至xn的偏转装置偏转成与X射线靶管的中轴平行入射，电子束与X射线靶管104-1的内壁碰撞 通过104-n，并且具有期望的强度被照射。

公开(公告)号：US07545089B1

公开(公告)日：2009-06-09

申请号：US11085425

申请日：2005-03-21

Applicant: Louis R. Falce ,  R. Lawrence Ives

Inventor： Louis R. Falce ,  R. Lawrence Ives

IPC: H01J29/04 ,  H01J1/20

CPC classification number: H01J35/06 ,  H01J35/08 ,  H01J2235/06 ,  H01J2235/081

Abstract: A porous cathode structure is fabricated from a plurality of wires which are placed in proximity to each other in elevated temperature and pressure for a sintering time. The sintering process produces the porous cathode structure which may be divided into a plurality of individual porous cathodes, one of which may be placed into a dispenser cathode support which includes a cavity for containing a work function reduction material such as BaO, CaO, and Al2O3. The work function reduction material migrates through the pores of the porous cathode from a work replenishment surface adjacent to the cavity of the dispenser cathode support to an emitting cathode surface, thereby providing a dispenser cathode which has a uniform work function and therefore a uniform electron emission.

Abstract translation: 多孔阴极结构由多个电线制成，多个电线在升高的温度和压力下彼此靠近放置烧结时间。 烧结过程产生多孔阴极结构，其可以分成多个单独的多孔阴极，其中一个可以放置在分配器阴极支撑件中，该阴极支撑件包括用于容纳诸如BaO，CaO和Al 2 O 3的功函数减少材料的空腔 。 工作功能减少材料通过多孔阴极的孔隙从邻近分配器阴极支撑件的空腔的工作补充表面迁移到发射阴极表面，从而提供分配器阴极，其具有均匀的功函数，因此具有均匀的电子发射 。

公开(公告)号：US20090086898A1

公开(公告)日：2009-04-02

申请号：US11863124

申请日：2007-09-27

Applicant: John E. Richardson ,  Robert Clark Treseder

Inventor： John E. Richardson ,  Robert Clark Treseder

IPC: H01J35/14 ,  G01N23/223

CPC classification number: G01N23/223 ,  G01N2223/076 ,  H01J35/08 ,  H01J35/14 ,  H01J35/18

Abstract: An x-ray device and method useful in performing close coupled sample analyses. The x-ray device includes an evacuated enclosure having a window and in which is disposed a cathode assembly, control grid, insulator, and anode arranged so that the anode is interposed between the electron source and the window. The anode includes a target surface oriented toward the window and the anode defines a drift tunnel which is substantially aligned with a hollow defined by the insulator. The control grid can be used to influence the energy of the electrons emitted by the filament of the cathode assembly. A high voltage field between the anode and filament causes electrons emitted by the cathode to accelerate rapidly through the insulator. After accelerating to an energy level consistent with the high voltage field, the electrons then pass through the drift tunnel without gaining any additional appreciable energy. The potential difference between the target surface and the window causes the drifting electrons to decelerate, and eventually stop, before they can strike the window. The decelerated electrons then re-accelerate, under the influence of the potential between the window and the anode, toward the target surface, striking the target surface and producing x-rays which are directed through the window so as to impact a sample. One or more detectors proximate to the sample sense the characteristic response emitted by the sample when it is struck by the x-rays produced by the x-ray tube. A computer in communication with the detectors facilitates processing and analysis of the characteristic response sensed by the detectors.

Abstract translation: 用于执行紧密耦合的样本分析的x射线装置和方法。 x射线装置包括具有窗口的抽真空的外壳，其中设置有阴极组件，控制栅极，绝缘体和阳极，其布置成阳极插入在电子源和窗口之间。 阳极包括朝向窗口定向的目标表面，并且阳极限定了与由绝缘体限定的中空基本上对准的漂移隧道。 控制栅格可用于影响由阴极组件的灯丝发射的电子的能量。 阳极和灯丝之间的高电压场导致阴极发射的电子通过绝缘体快速加速。 在加速到与高电压场一致的能级之后，电子然后通过漂移隧道，而没有获得任何额外的可观的能量。 目标表面和窗口之间的电位差导致漂移电子减速，并最终停止，然后才能撞击窗户。 然后，减速的电子在窗口和阳极之间的电势的影响下再加速，朝向目标表面，撞击目标表面，并产生被引导通过窗口以便冲击样品的x射线。 靠近样品的一个或多个检测器感测到当被X射线管产生的X射线撞击时由样品发射的特征响应。 与检测器通信的计算机便于对由检测器感测的特征响应的处理和分析。

公开(公告)号：US20090080614A1

公开(公告)日：2009-03-26

申请号：US12201741

申请日：2008-08-29

Applicant: Mark F. Eaton ,  Leonid D. Karpov

Inventor： Mark F. Eaton ,  Leonid D. Karpov

IPC: H01J35/06

CPC classification number: H01J35/065 ,  H01J35/08 ,  H01J35/14 ,  H01J35/16 ,  H01J2235/068 ,  H01J2235/081 ,  H01J2235/087

Abstract: A radiation source which can emit X-ray flux, UV-C flux and other forms of radiation uses electron beam current from a cathode array formed on the window through which the radiation will exit the source. The source can be made in formats which are compact or flat compared with prior art radiation sources. X-ray, UV-C and other radiative flux produced by the source can be used for such purposes as radiation imaging, sterilization, decontamination of biohazards, UV curing or photolithography.

Abstract translation: 可以发射X射线通量，UV-C通量和其他形式的辐射的辐射源使用来自形成在窗口上的阴极阵列的电子束电流，辐射将通过该阴极阵列离开源。 与现有技术的辐射源相比，源可以以紧凑或扁平的形式制成。 由源产生的X射线，UV-C和其他辐射通量可用于辐射成像，灭菌，生物危害的去污，UV固化或光刻。

公开(公告)号：US20080267354A1

公开(公告)日：2008-10-30

申请号：US11596693

申请日：2004-05-19

Applicant: Kurt Holm ,  Lars-Ola Nilsson

Inventor： Kurt Holm ,  Lars-Ola Nilsson

IPC: H01J35/06

CPC classification number: H01J35/08 ,  H01J33/00 ,  H01J35/065 ,  H01J35/116 ,  H01J35/186 ,  H01J2235/068

Abstract: The invention relates to an X-ray tube (11) with a cathode that emits electrons (e−) into an interior chamber (40) that is under vacuum, and with a target (31, 32), configured as an anode, for generating high-dose X-radiation (γ), the cathode comprising at least one cold cathode (21, 22, 23) based on an electron (e−) emitting material having a field-enhancing structure (70). The invention especially relates to an X-ray tube (11) having a cold cathode (21, 22, 23) that comprises at least one support layer (201) for holding the electron (e−) emitting material, the emission area of the cold cathode (21, 22, 23) being defined by the shape of the support layer (201).

Abstract translation: 本发明涉及一种具有阴极的X射线管（11），该阴极将电子（e-）发射到处于真空状态的内部腔室（40）内，并且与靶（31,32）配置为阳极，用于 产生高剂量X射线（γ），所述阴极包括基于具有场增强结构（70）的电子（e-）发射材料的至少一个冷阴极（21,22,23）。 本发明特别涉及一种具有冷阴极（21,22,23）的X射线管（11），该冷阴极包括用于保持电子（e-）发射材料的至少一个支撑层（201），该发射区域 冷阴极（21,22,23）由支撑层（201）的形状限定。

公开(公告)号：US20080089484A1

公开(公告)日：2008-04-17

申请号：US11593636

申请日：2006-11-07

Applicant: Alfred Reinhold

Inventor： Alfred Reinhold

IPC: H01J35/14

CPC classification number: H01J35/08 ,  H01J35/116 ,  H01J2235/081

Abstract: Nanofocus x-ray tube, includes a target, and a device for directing an electron beam onto the target. The target includes at least one target element made of a target material for generating x-rays, the at least one target element including a nanostructure having a diameter ≦about 1000 nm. The nanostructure is formed by a microstructuring procedure on a substrate element made of a substrate material, and the target element only partly covers the substrate element. The electron beam cross-section of the x-ray tube, in use, is selected to be sufficiently larger than the cross-section of the target element, such that the electron beam always irradiates the entire surface of the target element. Still further, the substrate material may be diamond, or the substrate material may include diamond, and being doped to raise the electrical conductivity.

Abstract translation: 纳米聚焦X射线管，包括靶，以及用于将电子束引导到靶上的装置。 目标包括由用于产生X射线的目标材料制成的至少一个目标元件，所述至少一个靶元素包括直径<=约1000nm的纳米结构。 纳米结构通过在由衬底材料制成的衬底元件上的微结构化程序形成，并且目标元件仅部分地覆盖衬底元件。 使用中的X射线管的电子束横截面被选择为足够大于目标元件的横截面，使得电子束总是照射目标元件的整个表面。 此外，衬底材料可以是金刚石，或者衬底材料可以包括金刚石，并且被掺杂以提高导电性。

公开(公告)号：US07346147B2

公开(公告)日：2008-03-18

申请号：US11190985

申请日：2005-07-27

Applicant: Randol E. Kirk ,  Daniel F. Gorzen

Inventor： Randol E. Kirk ,  Daniel F. Gorzen

IPC: H01J35/06 ,  H01J35/08

CPC classification number: H01J35/06 ,  H01J35/08 ,  H01J35/14 ,  H01J2235/081 ,  H01J2235/086 ,  H01J2235/1204

Abstract: A linear source of x-rays is disclosed wherein an elongated filament, mounted within a cylindrically formed anode, provides electrons around the filament, and along the length of said filament. The anode that comprises a high Z material such as gold, receives the electrons and emits X-rays in a 360 degree arc and along a substantial length of the anode. In one embodiment the tube is used for irradiation purposes.

Abstract translation: 公开了一种线性X射线源，其中安装在圆柱形形成的阳极内的细长细丝围绕细丝提供电子，并沿着所述细丝的长度。 包含诸如金的高Z材料的阳极接收电子并沿着360度的电弧并沿阳极的相当长度发射X射线。 在一个实施例中，管用于照射目的。

公开(公告)号：US20080049902A1

公开(公告)日：2008-02-28

申请号：US10591412

申请日：2004-03-02

Applicant: Kurt Holm ,  Mark Joachim Mildner ,  Lars-Ola Nilsson ,  Adrian Riedo ,  Toni Waber

Inventor： Kurt Holm ,  Mark Joachim Mildner ,  Lars-Ola Nilsson ,  Adrian Riedo ,  Toni Waber

IPC: H01J35/04

CPC classification number: G21K5/02 ,  H01J35/06 ,  H01J35/08 ,  H01J35/16 ,  H01J2235/086 ,  H01J2235/163

Abstract: The invention relates to an X-ray tube (11/12) for high dosing performances, a corresponding method for the production of high dosing performances with X-ray tubes (11/12) and method for the production of corresponding X-ray devices (11/12), wherein an anode (31/32) and a cathode (21/22) are arranged opposite each other in a vacuumed internal chamber (41/42). Electrons (e−) are accelerated by means of high voltage which can be applied to the anode (31/32). The anode (31/32) is made of a metal layer having a high ordinal number which is used to convert the electrons (e−) into X-ray radiation (Y) with the aid of a coolant. The cathode (21/22) comprises an essentially transparent carrier material for X-ray radiation (Y) and an essentially transparent electron emitter layer for X-ray radiation (Y). According to the invention, the cathode (31/32) can, in particular, close the vacuumed internal chamber (41/42) from the outside.

Abstract translation: 本发明涉及用于高剂量性能的X射线管（11/12），用于生产X射线管的高剂量性能的相应方法（11/12）和用于生产相应的X射线装置的方法 （11/12），其中阳极（31/32）和阴极（21/22）在真空的内部室（41/42）中彼此相对布置。 通过可以施加到阳极（31/32）的高电压来加速电子（e - SUP）。 阳极（31/32）由具有高数字的金属层制成，用于借助于冷却剂将电子（e ^{）转换成X射线辐射（Y） 。 阴极（21/22）包括用于X射线辐射（Y）的基本上透明的载体材料和用于X射线辐射（Y）的基本上透明的电子发射器层。 根据本发明，阴极（31/32）特别可以从外部关闭抽真空的内室（41/42）。}

公开(公告)号：US07317784B2

公开(公告)日：2008-01-08

申请号：US11335161

申请日：2006-01-19

Applicant: Roger D. Durst ,  Bob Baoping He ,  Carsten Michaelsen ,  Chuji Katayama

Inventor： Roger D. Durst ,  Bob Baoping He ,  Carsten Michaelsen ,  Chuji Katayama

IPC: H01J35/08

CPC classification number: H01J35/08 ,  G01N23/20 ,  G21K1/06 ,  H01J2235/081

Abstract: A multiple wavelength X-ray source includes an electron-generating cathode and an anode with multiple target regions, each of which emits X-rays at a different characteristic wavelength in response to the electrons. The different X-ray radiation outputs are focused by different focusing sections of a focusing optic. The multiple focusing sections are in different respective locations, and each focuses its respective X-ray radiation onto a sample. The focusing sections may be side-by-side mirrors in a Kirkpatrick-Baez configuration, or in a single-bounce, doubly curved elliptical configuration.

Abstract translation: 多波长X射线源包括电子发生阴极和具有多个目标区域的阳极，每个靶区域响应于电子发射不同特征波长的X射线。 不同的X射线辐射输出由聚焦光学器件的不同聚焦部分聚焦。 多个聚焦部分在不同的相应位置，并且每个聚焦部分将其各自的X射线辐射聚焦到样品上。 聚焦部分可以是Kirkpatrick-Baez配置的并排反射镜，也可以是单反弹双椭圆形配置。