公开(公告)号：US20100254507A1

公开(公告)日：2010-10-07

申请号：US12752342

申请日：2010-04-01

Applicant: Uwe Hampel

Inventor： Uwe Hampel

IPC: H05G1/02 ,  A61B6/03

CPC classification number: A61B6/4028 ,  A61B6/032 ,  H01J35/30 ,  H01J2235/086

Abstract: An assembly for electron beam tomography affords continuous and simultaneous recording of two-dimensional slice images of an object in different irradiation planes with a high temporal and spatial resolution. Targets are penetrated by openings of a given width and with a regular arrangement in the circumferential direction. The openings in the targets are respectively situated on a path formed by the cross section of the shell of the electron beam cone with the respective target. The successive targets in the beam direction respectively are arranged with a small angular offset with respect to the optical axis to the respective target situated in front, and so an electron beam circulating along the shell of the electron beam cone successively irradiates the material webs between the openings of all targets with at least part of its cross section and an X-ray detector arc is arranged for each target in coplanar radial fashion in front of or behind the respective target.

Abstract translation: 用于电子束层析成像的装置提供了具有高时间和空间分辨率的不同照射平面中物体的二维切片图像的连续和同时记录。 目标由给定宽度的开口穿透，并且在圆周方向上以规则排列。 目标中的开口分别位于由电子束锥体的壳体与相应目标物的横截面形成的路径上。 沿光束方向的连续目标分别相对于位于前面的相应目标的光轴布置有小的偏移角，因此沿电子束锥体的壳体循环的电子束依次照射在 对于目标的至少一部分具有至少部分横截面的开口和X射线检测器弧，以相同的目标的前方或后方以共面径向方式设置每个目标。

公开(公告)号：US20100246756A1

公开(公告)日：2010-09-30

申请号：US12746364

申请日：2008-12-12

Applicant: Peter Forthmann ,  Roland Proksa ,  Axel Thran

Inventor： Peter Forthmann ,  Roland Proksa ,  Axel Thran

IPC: A61B6/03 ,  G21K3/00

CPC classification number: H01J35/10 ,  A61B6/027 ,  A61B6/032 ,  A61B6/4007 ,  A61B6/4014 ,  A61B6/4021 ,  A61B6/4028 ,  A61B6/4035 ,  A61B6/4266 ,  G21K1/10 ,  H01J35/26 ,  H01J2235/068 ,  H01J2235/086

Abstract: A computed tomography apparatus (10) includes spaced radiation sources (82, 84), such as anodes, which each propagate a cone-beam of radiation (40, 50) into an examination region (14). A detector (22) detects radiation which has passed through the examination region. An attenuation system (55) interposed between the radiation sources and the examination region for cone-angle dependent filtering of the cone beams. The attenuation system allows rays which contribute little to a reconstructed image to be attenuated more than rays which contribute more.

Abstract translation: 计算机断层摄影装置（10）包括间隔开的辐射源（82,84），例如阳极，其每个辐射源将辐射束（40,50）传播到检查区域（14）中。 检测器（22）检测已经通过检查区域的辐射。 介于辐射源与锥形束的锥角相关滤波检查区域之间的衰减系统（55）。 衰减系统允许对重建图像贡献很小的光线比有助于更多的光线衰减更多。

公开(公告)号：US20100189221A1

公开(公告)日：2010-07-29

申请号：US12692472

申请日：2010-01-22

Applicant: Mark Eaton ,  Mitali More ,  Mike Olla

Inventor： Mark Eaton ,  Mitali More ,  Mike Olla

IPC: G21K5/08 ,  G21K5/02

CPC classification number: H01J35/065 ,  A61L2/082 ,  A61L2202/14 ,  A61L2202/22 ,  A61L2202/23 ,  A61L2202/24 ,  G21K1/025 ,  G21K5/02 ,  H01J35/06 ,  H01J35/08 ,  H01J35/14 ,  H01J35/16 ,  H01J35/18 ,  H01J2235/068 ,  H01J2235/081 ,  H01J2235/086 ,  H01J2235/087 ,  H01J2235/163 ,  H01J2235/18

Abstract: The present disclosure describes a self-contained irradiator comprising at least one X-ray source inside a shielded enclosure, the one or more sources each operable to emit X-ray flux across an area substantially equal to the proximate facing surface area of material placed inside the enclosure to be irradiated. The irradiator may have multiple flat panel X-ray sources disposed, designed or operated so as to provide uniform flux to the material being irradiated. The advantages of the irradiator of the present disclosure include compactness, uniform flux doses, simplified thermal management, efficient shielding and safety, the ability to operate at high power levels for sustained periods and high throughput.

Abstract translation: 本公开描述了一种独立照射器，其包括在屏蔽外壳内的至少一个X射线源，所述一个或多个源可操作以在穿过基本上等于放置在内部的材料的面向近邻的表面区域的区域上发射X射线通量 要照射的外壳。 照射器可以具有多个设置，设计或操作的平板X射线源，以便向被照射的材料提供均匀的通量。 本公开的辐照器的优点包括紧凑性，均匀的通量剂量，简化的热管理，有效的屏蔽和安全性，在高功率水平下持续持续时间和高吞吐量的能力。

公开(公告)号：US20100080359A1

公开(公告)日：2010-04-01

申请号：US12461251

申请日：2009-08-05

Applicant: Noriyoshi Sakabe

Inventor： Noriyoshi Sakabe

IPC: H01J35/00 ,  H01J35/10

CPC classification number: H01J35/10 ,  H01J35/108 ,  H01J2235/086

Abstract: An energy beam is irradiated onto a rotating anticathode so as to heat a portion irradiated by the energy beam under the condition that a vapor pressure at equilibrium state of the portion is set to 0.1 Torr or more, thereby generating an X-ray. The portion irradiated by the energy beam is kept at the rotating anticathode by a centrifugal force to the portion it a direction outward from a surface of the portion.

Abstract translation: 将能量束照射到旋转的抗阴极上，以便在该部分的平衡状态下的蒸气压设定为0.1Torr以上的条件下加热由能量束照射的部分，从而生成X射线。 由能量束照射的部分通过离心力被保持在旋转的抗静电方向上，该部分是从该部分的表面向外的方向。

公开(公告)号：US20100061517A1

公开(公告)日：2010-03-11

申请号：US12207039

申请日：2008-09-09

Applicant: Raymond J. Allen ,  Gerald Cooperstein ,  Joseph W. Schumer

Inventor： Raymond J. Allen ,  Gerald Cooperstein ,  Joseph W. Schumer

IPC: H01J35/06 ,  H01J27/00

CPC classification number: H01J35/22 ,  H01J2235/086

Abstract: A flash radiography diode includes a cathode and an anode. The cathode includes a frustum member with a bore extending through the frustum member. The anode is a tapered anode made of an electrically conductive material and oriented toward the cathode. The anode and the cathode are housed in a chamber with a gap between the anode and the cathode. The cathode is configured to emit electrons to the tapered anode, which electrons strike the anode and create an anode plasma. The anode plasma creates X rays which propagate from the anode.

Abstract translation: 闪光放射二极管包括阴极和阳极。 阴极包括具有延伸穿过平截头体构件的孔的截头锥体构件。 阳极是由导电材料制成并朝向阴极取向的锥形阳极。 阳极和阴极容纳在阳极和阴极之间具有间隙的室中。 阴极被配置为向锥形阳极发射电子，电子撞击阳极并产生阳极等离子体。 阳极等离子体产生从阳极传播的X射线。

公开(公告)号：US07664230B2

公开(公告)日：2010-02-16

申请号：US10554654

申请日：2004-04-23

Applicant: Edward James Morton ,  Russell David Luggar ,  Paul De Antonis

Inventor： Edward James Morton ,  Russell David Luggar ,  Paul De Antonis

IPC: H01J35/10

CPC classification number: H01J35/04 ,  H01J35/08 ,  H01J2235/086 ,  H01J2235/087 ,  H01J2235/12 ,  H01J2235/168

Abstract: The present invention is directed to an X-ray tube that has an electron source in the form of a cathode and an anode within a housing. The anode is a thin film anode, so that most of the electrons which do not interact with it to produce X-rays pass directly through it. A retardation electrode is located behind the anode and is held at a potential which is negative with respect to the anode and slightly positive with respect to the cathode.

Abstract translation: 本发明涉及一种在壳体内具有阴极和阳极形式的电子源的X射线管。 阳极是薄膜阳极，因此与其产生X射线不相互作用的大部分电子直接通过它。 延迟电极位于阳极的后面，并且被保持在相对于阳极为负的电位并且相对于阴极稍微为正。

公开(公告)号：US20100034341A1

公开(公告)日：2010-02-11

申请号：US12527928

申请日：2008-02-12

Applicant: Uwe Hampel ,  Frank Fischer

Inventor： Uwe Hampel ,  Frank Fischer

IPC: G01N23/00

CPC classification number: H01J35/30 ,  A61B6/032 ,  A61B6/035 ,  A61B6/4028 ,  A61B6/4488 ,  A61B6/503 ,  A61B6/508 ,  H01J35/14 ,  H01J2235/086

Abstract: The aim of the invention is to produce an x-ray computed tomography arrangement in which there is no axial offset between the path of the focal spot and the x-ray detector arc. Said aim is achieved by: —arranging the x-ray detector arc and the target around the examination cross-section within a radiation plane such that the x-ray focal spots generated by the deflected electron beam of the electron beam generator lie within an axial plane, the radiation plane, along with the active detector elements; —disposing the x-ray detector arc behind the target in a radial direction such that each imaginary x-ray extending from a focal spot position on the target to a detector element of the x-ray detector arc penetrates the target, which lies in front of the point of incidence on the x-ray detector arc in the direction of radiation, in the area in which the target and the x-ray detector arc angularly overlap; —producing the target from a target member which is preferably made of a material that has a low atomic number and great heat storage capacity or thermal conductance; —applying an electron-decelerating material layer, preferably made of a refractory material that has a high atomic number, to the side of the target member which faces the electron beam.

Abstract translation: 本发明的目的是生产一种X射线计算机断层摄影装置，其中在焦斑的路径和x射线检测器弧之间不存在轴向偏移。 所述目的通过以下方式实现： - 在辐射平面内将X射线检测器弧和靶围绕检查横截面进行布置，使得由电子束发生器的偏转电子束产生的x射线焦点位于轴向 平面，辐射平面以及有源检测器元件; - 将x射线检测器放置在径向方向上的目标物后面，使得从目标上的焦点位置延伸到X射线检测器的检测器元件的每个假想x射线穿透位于前面的目标 在X射线检测器的入射点在辐射方向上在靶和X射线检测器的角度上重叠的区域中的入射点; - 从目标构件制造靶材，该靶材优选由具有低原子序数和高蓄热能力或热导率的材料制成; 将优选由具有高原子序数的耐火材料制成的电子减速材料层施加到目标构件面对电子束的一侧。

公开(公告)号：US20090285363A1

公开(公告)日：2009-11-19

申请号：US12122279

申请日：2008-05-16

Applicant: Dalong Zhong ,  Dennis M. Gray ,  Michael Hebert ,  Don Mark Lipkin ,  Thomas Raber ,  Gregory Alan Steinlage ,  Thomas C. Tiearney

Inventor： Dalong Zhong ,  Dennis M. Gray ,  Michael Hebert ,  Don Mark Lipkin ,  Thomas Raber ,  Gregory Alan Steinlage ,  Thomas C. Tiearney

IPC: H01J35/08

CPC classification number: H01J35/105 ,  H01J2235/081 ,  H01J2235/086 ,  H01J2235/1204 ,  H01J2235/1229 ,  H01J2235/1291

Abstract: A target assembly for generating x-rays includes a target substrate, and an emissive coating applied to a portion of the target substrate, the emissive coating comprising one or more of a carbide and a carbonitride.

Abstract translation: 用于产生X射线的目标组件包括目标衬底和施加到目标衬底的一部分的发射涂层，所述发射涂层包含一种或多种碳化物和碳氮化物。

公开(公告)号：US20090257562A1

公开(公告)日：2009-10-15

申请号：US12384936

申请日：2009-04-10

Applicant: David O'Hara

Inventor： David O'Hara

IPC: H01J35/14 ,  A61B6/04

CPC classification number: G21K1/06 ,  A61B6/502 ,  G21K2201/067 ,  H01J35/08 ,  H01J35/16 ,  H01J2235/086 ,  H01J2235/163

Abstract: A conical anode X-ray source with a spot size approximately one tenth of the size of existing mammography devices. The source produces the same or higher radiance than the prior art. It also produces almost no high-energy Bremstrahlung. The electron beam is directed into a conical anode so that it strikes the reflecting surface at an angle which produces total internal reflection. The X-rays emitted via the reflection would ordinarily exit the small end of the conical anode in a diverging conical pattern—producing an undesirable “ring” configuration at the image plane. A homogenizing optic is therefore preferably added to the small end of the conical anode. The homogenizing optic is sized to reflect the X-rays emerging from the conical anode and thereby create a uniform “spot” source at the far end of the homogenizing optic.

Abstract translation: 锥形阳极X射线源，斑点尺寸约为现有乳房X线摄影装置尺寸的十分之一。 源产生与现有技术相同或更高的辐射度。 它也几乎没有产生高能量的Bremstrahlung。 电子束被引导到锥形阳极中，使得其以产生全内反射的角度撞击反射表面。 通过反射发射的X射线将通常以发散的锥形图案离开圆锥形阳极的小端，从而在图像平面产生不期望的“环”结构。 因此，均匀化光学器件优选地添加到锥形阳极的小端。 均匀化光学器件的大小可以反映从锥形阳极出射的X射线，从而在均匀化光学器件的远端产生均匀的“斑点”源。

公开(公告)号：US20090232279A1

公开(公告)日：2009-09-17

申请号：US12421239

申请日：2009-04-09

Applicant: Stanley D. Lesiak ,  Heinz H. Busta ,  Bruce M. Zwicker

Inventor： Stanley D. Lesiak ,  Heinz H. Busta ,  Bruce M. Zwicker

IPC: H01J35/14

CPC classification number: H01J35/065 ,  G21K5/02 ,  H01J35/08 ,  H01J2235/062 ,  H01J2235/068 ,  H01J2235/086 ,  H01J2235/163

Abstract: An improved electron bombardment device includes a first tubular member for containing a target material and a second tubular member surrounding the first tubular member, leaving a space between the first and second tubular members. In an embodiment of the invention, the second tubular member is an electron emitting material, and the bombardment device includes a voltage application means for accelerating emitted electrons from the second tubular member towards the first tubular member. In a further embodiment of the invention, the second tubular member comprises a thermionic electron emitting material. In an alternative embodiment, the second tubular member comprises a field electron emitting material.

Abstract translation: 改进的电子轰击装置包括用于容纳目标材料的第一管状构件和围绕第一管状构件的第二管状构件，在第一和第二管状构件之间留有空间。 在本发明的一个实施例中，第二管状构件是电子发射材料，并且该轰击装置包括用于加速从第二管状构件向第一管状构件发射的电子的电压施加装置。 在本发明的另一实施例中，第二管状构件包括热离子电子发射材料。 在替代实施例中，第二管状构件包括场电子发射材料。