公开(公告)号：US08604723B2

公开(公告)日：2013-12-10

申请号：US13476477

申请日：2012-05-21

Applicant: Gongyin Chen ,  John Turner ,  Douglas W. Eaton

Inventor： Gongyin Chen ,  John Turner ,  Douglas W. Eaton

IPC: H01J23/00

CPC classification number: H05H7/02 ,  H01J2235/08 ,  H05H9/00 ,  H05H9/048 ,  H05H2007/022 ,  H05H2007/025

Abstract: Multi-energy radiation sources comprising charged particle accelerators driven by power generators providing different RF powers to the accelerator, capable of interlaced operation, are disclosed. Automatic frequency control techniques are provided to match the frequency of RF power provided to the accelerator with the accelerator resonance frequency. In one example where the power generator is a mechanically tunable magnetron, an automatic frequency controller is provided to match the frequency of RF power pulses at one power to the accelerator resonance frequency when those RF power pulses are provided, and the magnetron is operated such that frequency shift in the magnetron at the other power at least partially matches the resonance frequency shift in the accelerator when those RF power pulses are provided. In other examples, when the power generator is a klystron or electrically tunable magnetron, separate automatic frequency controllers are provided for each RF power pulse. Methods and systems are disclosed.

Abstract translation: 公开了一种多能量辐射源，其包括由提供与加速器不同的RF功率的发电机驱动的带电粒子加速器，能够进行隔行扫描操作。 提供自动频率控制技术以将提供给加速器的RF功率的频率与加速器谐振频率相匹配。 在发电机是可机械调谐的磁控管的一个示例中，提供自动频率控制器以在提供这些RF功率脉冲时将一个功率的RF功率脉冲的频率与加速器谐振频率相匹配，并且磁控管被操作使得 当提供这些RF功率脉冲时，磁控管中另一个功率的频移至少部分地匹配加速器中的谐振频率偏移。 在其他示例中，当发电机是速调管或电可调谐磁控管时，为每个RF功率脉冲提供单独的自动频率控制器。 公开了方法和系统。

公开(公告)号：US08340251B2

公开(公告)日：2012-12-25

申请号：US13158851

申请日：2011-06-13

Applicant: William Bertozzi ,  Michael Donovan ,  Alexei Klimenko ,  Stephen E. Korbly ,  William Park

Inventor： William Bertozzi ,  Michael Donovan ,  Alexei Klimenko ,  Stephen E. Korbly ,  William Park

IPC: H01J35/18 ,  H01J35/10

CPC classification number: H05G2/00 ,  H01J35/12 ,  H01J2235/08 ,  H01J2235/1204 ,  H05H6/00

Abstract: Methods and systems for generating bremsstrahlung with enhanced photon flux in a narrow cone at forward angles utilize a thin target of a high-Z material such as gold as radiator, supported on a tube of a low-Z material such as titanium, which tube contains a circulating fluid such as water which acts as a coolant and also may absorb the incident electron beam.

Abstract translation: 用于产生具有在前方角度的窄锥体中增强的光子通量的bre致辐射的方法和系统利用诸如金的高Z材料的薄靶作为散热器，其支撑在诸如钛的低Z材料的管上，该管包含 诸如水的循环流体，其作为冷却剂并且还可以吸收入射的电子束。

公开(公告)号：US20120213325A1

公开(公告)日：2012-08-23

申请号：US13502540

申请日：2010-10-18

Applicant: Rainer Pietig

Inventor： Rainer Pietig

IPC: H01J35/12 ,  G01N23/04

CPC classification number: H01J35/105 ,  H01J35/12 ,  H01J2235/08 ,  H01J2235/1204 ,  H01J2235/1291

Abstract: The present invention relates to X-ray generating technology in general. Providing an electron collecting element of an X-ray generating device statically may allow for the manufacture of X-ray systems with reduced moving parts and actuating parts, possibly reducing manufacturing costs and sources for failure. Consequently, an electron collecting element with increased thermal loadability is presented. According to the present invention, an electron collecting element (28) is provided, comprising a surface element (22) and a heat conducting element (26). The heat conducting element (26) comprises a first thermal conductivity in a first direction and at least a second thermal conductivity in at least a second direction. The first thermal conductivity is greater than the second thermal conductivity. The first direction is substantially perpendicular to the surface element (22).

Abstract translation: 本发明一般涉及X射线产生技术。 静态地提供X射线产生装置的电子收集元件可以允许制造具有减少的移动部件和致动部件的X射线系统，可能降低制造成本和故障源。 因此，提出了具有增加的热负荷能力的电子收集元件。 根据本发明，提供一种电子收集元件（28），其包括表面元件（22）和导热元件（26）。 导热元件（26）包括在第一方向上的第一热导率和至少第二方向上的至少第二热导率。 第一导热系数大于第二导热系数。 第一方向基本上垂直于表面元件（22）。

公开(公告)号：US20120134467A1

公开(公告)日：2012-05-31

申请号：US13366963

申请日：2012-02-06

Applicant: David Whittum ,  James E. Clayton ,  George Merdinian

Inventor： David Whittum ,  James E. Clayton ,  George Merdinian

IPC: H01J35/02 ,  H05H7/02 ,  G01N23/06 ,  H05H9/00

CPC classification number: H05G1/04 ,  G01V5/0016 ,  H01J35/02 ,  H01J2235/08 ,  H05G1/025 ,  H05G1/10 ,  H05H9/04

Abstract: Man-portable radiation generation sources and systems that may be carried by hand to a site of interest by one or two people, are disclosed. Methods of use of such sources and systems are also disclosed. Battery operated radiation generation sources, air cooled radiation generation sources, and charged particle accelerators, are also disclosed. A radiation generation source, a radiation scanning system, and a target assembly comprising target material having a thickness of less than 0.20 mm are also disclosed.

Abstract translation: 公开了可以由一个或两个人手动携带到目的地的人造便携式辐射源和系统。 还公开了使用这种源和系统的方法。 还公开了电池操作的辐射源，空气冷却辐射源和带电粒子加速器。 还公开了辐射发生源，辐射扫描系统和包括厚度小于0.20mm的目标材料的目标组件。

公开(公告)号：US08094784B2

公开(公告)日：2012-01-10

申请号：US12478757

申请日：2009-06-04

Applicant: Edward James Morton

Inventor： Edward James Morton

IPC: H01J35/08

CPC classification number: H01J35/12 ,  G21K1/02 ,  H01J35/08 ,  H01J2235/068 ,  H01J2235/08 ,  H01J2235/086 ,  H01J2235/1204 ,  H01J2235/1262

Abstract: The present invention is directed to an anode for an X-ray tube. The X-ray tube has an electron aperture through which electrons emitted from an electron source travel subject to substantially no electrical field and a target in a non-parallel relationship to the electron aperture and arranged to produce X-rays when electrons are incident upon a first side of the target, wherein the target further comprises a cooling channel located on a second side of the target. The cooling channel comprises a conduit having coolant contained therein. The coolant is at least one of water, oil, or refrigerant.

Abstract translation: 本发明涉及一种用于X射线管的阳极。 X射线管具有电子孔，通过该电子孔，电子发射的电子基本上不受电场的影响，并且靶与电子孔非平行关系，并被布置成当电子入射到电子孔时产生X射线 所述目标的第一侧，其中所述目标还包括位于所述目标的第二侧上的冷却通道。 冷却通道包括其中包含冷却剂的导管。 冷却液是水，油或制冷剂中的至少一种。

公开(公告)号：US07983396B2

公开(公告)日：2011-07-19

申请号：US12121515

申请日：2008-05-15

Applicant: William Bertozzi ,  Michael Donovan ,  Alexei Klimenko ,  Stephen E. Korbly ,  William Park

Inventor： William Bertozzi ,  Michael Donovan ,  Alexei Klimenko ,  Stephen E. Korbly ,  William Park

IPC: H01J35/18 ,  H01J35/10

CPC classification number: H05G2/00 ,  H01J35/12 ,  H01J2235/08 ,  H01J2235/1204 ,  H05H6/00

Abstract: Methods and systems for generating bremsstrahlung with enhanced photon flux in a narrow cone at forward angles utilize a thin target of a high-Z material such as gold as radiator, supported on a tube of a low-Z material such as titanium, which tube contains a circulating fluid such as water which acts as a coolant and also may absorb the incident electron beam.

Abstract translation: 用于产生具有在前方角度的窄锥体中增强的光子通量的bre致辐射的方法和系统利用诸如金的高Z材料的薄靶作为散热器，其支撑在诸如钛的低Z材料的管上，该管包含 诸如水的循环流体，其作为冷却剂并且还可以吸收入射的电子束。

公开(公告)号：US20100310047A1

公开(公告)日：2010-12-09

申请号：US12793228

申请日：2010-06-03

Applicant: Dean Connor ,  Zhong Zhong ,  Christopher Parham ,  Etta Pisano

Inventor： Dean Connor ,  Zhong Zhong ,  Christopher Parham ,  Etta Pisano

IPC: G21K1/06

CPC classification number: A61B6/032 ,  A61B6/06 ,  A61B6/4035 ,  A61B6/4208 ,  A61B6/482 ,  A61B6/483 ,  A61B6/502 ,  A61B6/542 ,  G21K1/06 ,  G21K2201/062 ,  G21K2207/005 ,  H01J2235/068 ,  H01J2235/08

Abstract: Strain matching of crystals and horizontally-spaced monochromator and analyzer crystal arrays in diffraction enhanced imaging systems and related methods are disclosed. A DEI system, including strain matched crystals can comprise an X-ray source configured to generate a first X-ray beam. A first monochromator crystal can be positioned to intercept the first X-ray beam for producing a second X-ray beam. A second monochromator crystal can be positioned to intercept the second X-ray beam to produce a third X-ray beam for transmission through an object. The second monochromator crystal has a thickness selected such that a mechanical strain on a side of the first monochromator crystal is the same as a mechanical strain on the second monochromator crystal. An analyzer crystal has a thickness selected such that a mechanical strain on a side of the first monochromator crystal is the same as a mechanical strain on the analyzer crystal.

Abstract translation: 公开了晶体和水平间隔单色仪和分析器晶体阵列在衍射增强成像系统中的应变匹配和相关方法。 包括应变匹配晶体的DEI系统可以包括被配置为产生第一X射线束的X射线源。 可以将第一单色仪晶体定位成截取第一X射线束以产生第二X射线束。 第二单色器晶体可以被定位成截取第二X射线束以产生用于透过物体的第三X射线束。 第二单色器晶体具有选择的厚度，使得第一单色仪晶体侧的机械应变与第二单色仪晶体上的机械应变相同。 分析器晶体的厚度被选择为使得第一单色仪晶体侧的机械应变与分析器晶体上的机械应变相同。

公开(公告)号：US07835502B2

公开(公告)日：2010-11-16

申请号：US12369449

申请日：2009-02-11

Applicant: David Arthur Spence ,  Richard Cary Schmidt

Inventor： David Arthur Spence ,  Richard Cary Schmidt

IPC: H01J35/08 ,  H05G1/00

CPC classification number: H01J35/08 ,  A61B6/4488 ,  H01J2235/08 ,  H01J2235/085 ,  H01J2235/086 ,  H01J2235/1204 ,  H01J2235/1262

Abstract: An x-ray target pedestal assembly and a method of protecting the x-ray target from breaking down as a result of the extreme heat that is produced when an electron beam is aimed at the target to produce x-rays. The target is submerged in cooling fluid and is rotated by a constant flow of the cooling fluid over and around the target in order to dissipate heat. The fluid is guided by integrated flow diverters in the target cover. The target may also be protectively coated either in its entirety or along the electron beam path in order to further protect it from the heat of the electron beam impact or from breakdown as a result of attack of free radicals or other chemically reactive components of the cooling fluid which are produced in the extreme target environment.

Abstract translation: X射线靶基座组件以及当电子束瞄准目标产生X射线时产生的极热而保护x射线靶不会分解的方法。 目标被浸没在冷却流体中，并且通过冷却流体的恒定流量在靶上方和周围旋转，以便散热。 流体由目标盖中的集成流动分流器引导。 目标也可以全部或沿着电子束路径被保护地涂覆，以便进一步保护其免受电子束冲击的热量或由于自由基或冷却的其它化学反应性组分的侵蚀而导致的击穿 在极端目标环境中产生的液体。

公开(公告)号：US20100020920A1

公开(公告)日：2010-01-28

申请号：US12442599

申请日：2007-09-26

Applicant: Thomas Mertelmeier

Inventor： Thomas Mertelmeier

IPC: G01N23/04 ,  H01J35/08 ,  A61B6/03 ,  H05G1/04

CPC classification number: G01N23/046 ,  A61B6/025 ,  A61B6/032 ,  A61B6/4007 ,  A61B6/4028 ,  A61B6/4241 ,  A61B6/482 ,  G01N2223/1016 ,  G01N2223/206 ,  G01N2223/414 ,  G01N2223/419 ,  G01N2223/612 ,  H01J2235/08

Abstract: In an x-ray system and a method for tomosynthetic scanning of a subject, x-ray radiation is emitted from two x-ray sources that are panned relative to the subject during a tomosynthetic scan. The two x-ray sources each emit an x-ray beam, the respective x-ray beams being parallel to each other with regard to their beam directions proceeding toward the subject. X-rays from the two parallel beams attenuated by the subject are detected by a two-dimensional x-ray detector, that is substantially stationary during the tomosynthetic scan.

Abstract translation: 在x射线系统和用于受试者的肌层合成扫描的方法中，在断层合成扫描期间，从相对于受试者平移的两个x射线源发射X射线辐射。 两个X射线源各自发射X射线束，相应的X射线束相对于朝向被摄体的射束方向彼此平行。 来自被对象衰减的两条平行光束的X射线被二维X射线检测器检测，二维X射线检测器在断层合成扫描期间基本上是静止的。

公开(公告)号：US20100008471A1

公开(公告)日：2010-01-14

申请号：US12478757

申请日：2009-06-04

Applicant: Edward James Morton

Inventor： Edward James Morton

IPC: H01J35/12 ,  H01J35/08

CPC classification number: H01J35/12 ,  G21K1/02 ,  H01J35/08 ,  H01J2235/068 ,  H01J2235/08 ,  H01J2235/086 ,  H01J2235/1204 ,  H01J2235/1262

Abstract: The present invention is directed to an anode for an X-ray tube. The X-ray tube has an electron aperture through which electrons emitted from an electron source travel subject to substantially no electrical field and a target in a non-parallel relationship to the electron aperture and arranged to produce X-rays when electrons are incident upon a first side of the target, wherein the target further comprises a cooling channel located on a second side of the target. The cooling channel comprises a conduit having coolant contained therein. The coolant is at least one of water, oil, or refrigerant.

Abstract translation: 本发明涉及一种用于X射线管的阳极。 X射线管具有电子孔，通过该电子孔，电子发射的电子基本上不受电场的影响，并且靶与电子孔非平行关系，并被布置成当电子入射到电子孔时产生X射线 所述目标的第一侧，其中所述目标还包括位于所述目标的第二侧上的冷却通道。 冷却通道包括其中包含冷却剂的导管。 冷却液是水，油或制冷剂中的至少一种。