公开(公告)号：US20050084060A1

公开(公告)日：2005-04-21

申请号：US10687522

申请日：2003-10-15

Applicant: Edward Seppi ,  Larry Partain ,  Michael Green ,  Gary Virshup

Inventor： Edward Seppi ,  Larry Partain ,  Michael Green ,  Gary Virshup

IPC: A61B6/00 ,  A61B6/03 ,  G01N23/04 ,  G21K1/12 ,  G01N23/00 ,  H05G1/60

CPC classification number: A61B6/405 ,  A61B5/7289 ,  A61B5/7292 ,  A61B6/032 ,  A61B6/0435 ,  A61B6/4035 ,  A61B6/4042 ,  A61B6/4241 ,  A61B6/4441 ,  A61B6/4488 ,  A61B6/466 ,  A61B6/481 ,  A61B6/482 ,  A61B6/502 ,  A61B6/504 ,  A61B6/5288 ,  A61B6/541 ,  G01N23/046 ,  G01N2223/419 ,  G01N2223/612 ,  H01J2235/081

Abstract: A method of generating images of a portion of a body includes introducing a contrast agent into the body, generating a first set of image data using radiation at a first energy level after the contrast agent is introduced into the body, generating a second set of image data using radiation at a second energy level after the contrast agent is introduced into the body, and creating a volumetric composite image using the first and the second sets of image data.

Abstract translation: 产生身体部分的图像的方法包括将造影剂引入体内，在将造影剂引入体内之后，以第一能量级别的辐射产生第一组图像数据，产生第二组图像 在将造影剂引入身体之后，使用在第二能量级别的辐射的数据，以及使用第一和第二组图像数据创建体积合成图像。

公开(公告)号：US20040240618A1

公开(公告)日：2004-12-02

申请号：US10817988

申请日：2004-04-05

Inventor： Edward L. McGuire

IPC: H01J035/00 ,  H01J035/22 ,  H01J035/32 ,  H01J035/30

CPC classification number: H01J35/30 ,  H01J35/08 ,  H01J2235/081 ,  H01J2235/088

Abstract: By arranging for a collection of different materials to be used as x-ray targets in a single x-ray generator tube, an X-ray generator that can transmit a collection of unique x-ray spectra is produced according to one embodiment of the present invention. Spectrum selection can be accomplished by electronic means (with great speed) by deflecting an electron beam by means of electric fields, magnetic fields, and any combination of the two.

Abstract translation: 通过在单个X射线发生器管中布置用作x射线靶的不同材料的集合，根据本发明的一个实施例产生可传输独特x射线光谱的集合的X射线发生器 发明。 频谱选择可以通过电子手段（高速度）通过电场，磁场和两者的任意组合偏转电子束来实现。

公开(公告)号：US20040057555A1

公开(公告)日：2004-03-25

申请号：US10253459

申请日：2002-09-24

Inventor： Bert D. Egley ,  Todd Howard Steinberg

IPC: H01J035/08

CPC classification number: H01J35/08 ,  H01J2235/081 ,  H01J2235/1204

Abstract: An x-ray target assembly including a housing having a recess, a cooling fluid contained within the recess and an x-ray target attached to the housing, wherein the x-ray target does not directly contact the cooling fluid.

Abstract translation: 一种X射线靶组件，其包括具有凹部的壳体，容纳在所述凹部内的冷却流体和附接到所述壳体的x射线靶，其中所述x射线靶不直接接触所述冷却流体。

公开(公告)号：US06707883B1

公开(公告)日：2004-03-16

申请号：US10429443

申请日：2003-05-05

Applicant: Thomas Carson Tiearney, Jr. ,  Srihari Balasubramanian ,  Pazhayannur Ramanathan Subramanian ,  Gregory Alan Steinlage ,  Mark Ernest Vermilyea ,  Liqin Wang

Inventor： Thomas Carson Tiearney, Jr. ,  Srihari Balasubramanian ,  Pazhayannur Ramanathan Subramanian ,  Gregory Alan Steinlage ,  Mark Ernest Vermilyea ,  Liqin Wang

IPC: H01J3510

CPC classification number: H01J35/108 ,  H01J2235/081 ,  H01J2235/085

Abstract: An X-ray target material comprising an oxide-dispersion strengthened Mo (ODS-Mo) alloy. ODS-Mo refers to molybdenum strengthened by a fine dispersion of insoluble oxide particles of one or more of the following compounds: La2O3, Y2O3 and CeO2. ODS—Mo alloy improves upon the prior art by providing higher and more uniform strength and creep resistance over the applicable temperature range of large brazed graphite targets. This, in conjunction with higher-strength graphite, allows the target to spin faster without causing graphite burst, thus providing improvement in peak power. The recrystallization temperature of the fabricated material is high enough to maintain original properties through all target processing, including a very high-temperature braze cycle.

Abstract translation: 包含氧化物分散强化Mo（ODS-Mo）合金的X射线靶材料。 ODS-Mo是指通过一种或多种以下化合物的不溶性氧化物颗粒的细分散体加强的钼：La2O3，Y2O3和CeO2。 ODS-Mo合金通过在大的钎焊石墨靶的适用温度范围内提供更高和更均匀的强度和抗蠕变性而改进现有技术。 这与高强度石墨结合使靶能够更快旋转而不会引起石墨爆裂，从而提高峰值功率。 所制造的材料的再结晶温度足够高以通过所有目标加工保持原始性能，包括非常高温的钎焊循环。

公开(公告)号：US06560315B1

公开(公告)日：2003-05-06

申请号：US10063770

申请日：2002-05-10

Applicant: John Scott Price ,  Michael D. Drory

Inventor： John Scott Price ,  Michael D. Drory

IPC: H01J3510

CPC classification number: H01J35/10 ,  H01J35/108 ,  H01J2235/081

Abstract: A method and apparatus for a rotatable anode of an x-ray tube. The anode having an axis of rotation and includes a solid thin plate target having a substantially planar base surface extending from the axis of rotation to a periphery outlining the base surface, wherein the plate target includes target material for generating x-rays selected from a group of high-Z materials. The plate target has a thickness of about 1 mm or less. The method includes fabricating the thin plate target using silicon wafer processing technology using suitable materials for such technology in forming the plate target selected from the group of high-Z materials.

Abstract translation: 一种用于X射线管的可旋转阳极的方法和装置。 所述阳极具有旋转轴线，并且包括具有从所述旋转轴线延伸到所述基部表面的周边的基本平坦的基底表面的实心薄板靶，其中所述平板靶材包括用于产生从组中选出的x射线的靶材料 的高Z材料。 板靶具有约1mm以下的厚度。 该方法包括使用硅晶片处理技术制造薄板靶，该技术使用适合这种技术的材料形成从高Z材料组中选出的板材靶。

公开(公告)号：US06487275B1

公开(公告)日：2002-11-26

申请号：US08718412

申请日：1998-02-12

Applicant: Noboru Baba ,  Masao Shimizu ,  Motomichi Doi ,  Yuzo Kozono ,  Kunihiro Maeda ,  Masatoshi Seki

Inventor： Noboru Baba ,  Masao Shimizu ,  Motomichi Doi ,  Yuzo Kozono ,  Kunihiro Maeda ,  Masatoshi Seki

IPC: H01J3510

CPC classification number: H01J35/10 ,  H01J2235/081

Abstract: An X-ray tube which is high in brightness and high in resolution, and can withstand continuous long-time use, that is, it can withstand a high heat load. An X-ray target and an X-ray tube having the X-ray target include an X-ray generating metal layer having an average crystal grain diameter not larger than 30 &mgr;m on the surface of a base plate in the X-ray irradiated side. The X-ray tube has a small focus point and can withstand a high input load. A CT apparatus using the X-ray tube can provide a high resolution and a high definition image.

Abstract translation: X射线管的亮度高，分辨率高，可以承受连续长时间的使用，即可以承受高的热负荷。 具有X射线靶的X射线靶和X射线管包括在X射线照射侧的基板的表面上具有不大于30μm的平均晶粒直径的X射线产生金属层 。 X射线管具有小的聚焦点，并能承受高输入负载。 使用X射线管的CT装置可以提供高分辨率和高清晰度图像。

公开(公告)号：US20010036249A1

公开(公告)日：2001-11-01

申请号：US09846848

申请日：2001-05-01

Inventor： Mark Gilbert Benz ,  Charles Gitahi Mukira ,  Thomas Robert Raber ,  Constantinos Minas ,  Gregory Alan Steinlage ,  Gregory Reznikov ,  Wayne Charles Hasz

IPC: H01J035/10

CPC classification number: H01J35/108 ,  H01J2235/081 ,  H01J2235/083 ,  H01J2235/1241

Abstract: An X-ray tube anode comprises a graphite ring, a target substrate applied onto the graphite ring and a target focal track applied onto the target substrate. The target focal track comprises a first refractory metal and the target substrate comprises a second refractory metal and at least one layer of a material that is characterized by characterized by a coefficient of thermal expansion (CTE) that is the same as the CTE of the target focal track or is intermediate between the CTE of the target focal track and the CTE of the substrate.

Abstract translation: X射线管阳极包括石墨环，施加到石墨环上的目标基底和施加到目标基底上的目标焦点轨迹。 目标焦点轨道包括第一耐火金属，并且目标基底包括第二难熔金属和至少一层材料，其特征在于热膨胀系数（CTE）与靶的CTE相同 焦点轨迹或者在目标焦点轨迹的CTE和基底的CTE之间的中间。

公开(公告)号：US06183139B2

公开(公告)日：2001-02-06

申请号：US09167405

申请日：1998-10-06

Applicant: Edward G. Solomon ,  Brian P. Wilfley

Inventor： Edward G. Solomon ,  Brian P. Wilfley

IPC: H01J3530

CPC classification number: H01J35/30 ,  A61B6/06 ,  A61B6/4028 ,  A61B6/4488 ,  G21K1/025 ,  H01J2235/081 ,  H01J2235/087

Abstract: A method for scanning an x-ray target in a reverse geometry x-ray imaging system with a charged particle beam is disclosed. An aspect of the invention is directed to scanning patterns for moving an electron beam across the target assembly to generate x-rays, in which a charged particle beam is moved across a plurality of sets of positions on a target assembly, wherein particular positions or sets of positions on the target assembly are rescanned a plurality of times during a single frame. The length of time between a first and a last illumination of the object during the frame is sufficiently small to prevent image blurring during image reconstruction.

Abstract translation: 公开了一种在具有带电粒子束的反向几何X射线成像系统中扫描x射线靶的方法。 本发明的一个方面涉及用于将电子束移动穿过目标组件以产生x射线的扫描图案，其中带电粒子束在目标组件上跨越多组位置移动，其中特定位置或组 在单个帧中重新扫描目标组件上的位置多次。 在帧期间物体的第一和最后照明之间的时间长度足够小以防止图像重建期间的图像模糊。

公开(公告)号：US5530733A

公开(公告)日：1996-06-25

申请号：US272064

申请日：1994-07-08

Applicant: Michael R. Eggleston ,  Melvin R. Jackson ,  Mark G. Benz

Inventor： Michael R. Eggleston ,  Melvin R. Jackson ,  Mark G. Benz

IPC: H01J35/10

CPC classification number: H01J35/101 ,  H01J2235/081 ,  H01J2235/1013 ,  H01J2235/102

Abstract: An improved high performance x-ray system having a rotating anode therein which includes an improved target/stem connection and a coating, operatively positioned between the target and the stem, for enhancing the diffusion therebetween to reduce tube failure due to anode assembly imbalance comprising a metallic target and a metal stem bonded to provide a composite rotating x-ray tube target is disclosed. An insert of an alloy, for example, titanium alloy, is placed between the target layer, the stem and a coating, operatively positioned between the target and the stem, for enhancing the diffusion therebetween and then bonded thereto to produce a composite x-ray tube target/stem having a high remelt temperature and bond strength which retains its balance throughout the manufacturing process and during x-ray tube operations is also disclosed.

Abstract translation: 改进的高性能x射线系统，其中具有旋转阳极，其包括改进的靶/杆连接和可操作地定位在靶和杆之间的涂层，用于增强其间的扩散，以减少由于阳极组件不平衡引起的管故障，包括 公开了金属靶和结合以提供复合旋转X射线管靶的金属杆。 将合金例如钛合金的插入件放置在目标层，杆和可操作地定位在靶和杆之间的涂层之间，以增强它们之间的扩散，然后结合到其上以产生复合X射线 还公开了具有高重熔温度和粘合强度的管靶/杆，其在整个制造过程中和在x射线管操作期间保持其平衡。

公开(公告)号：US5418830A

公开(公告)日：1995-05-23

申请号：US057810

申请日：1993-05-07

Applicant: Jean-Jacques Florent

Inventor： Jean-Jacques Florent

IPC: G01B15/02 ,  H01J35/08

CPC classification number: H01J35/08 ,  G01B15/025 ,  H01J2235/081

Abstract: Radiometric gage for contactless measurement of the surface density or the thickness of a flat product, includes:an X-radiation emitter, whose tube, is directed toward the flat productan X-radiation receiver, whose detector is disposed in order to receive X-radiation scattered or transmitted in attenuated form through said flat product, said receiver delivering a measurement signala member for processing the measurement signal, in order to obtain information representing the surface density or the thickness of the flat productThe anticathode of the tube is made of a material with atomic number as high as possible, preferably greater than 70, which is a good conductor of heat and has a high melting point. A member for adjusting the voltage (V) between the cathode and the anticathode is designed to operate in a predetermined range of relatively low voltages, in order to obtain, in conjunction with the anticathode, an X-ray emission spectrum essentially limited to continuous bremmstrahlung whose maximum energy is fixed by the value of the voltage (V) between cathode and anticathode.

Abstract translation: 用于非接触式测量平面产品的表面密度或厚度的辐射计包括：X射线发射器，其管被指向平面产品X射线接收器，其X射线接收器被设置为接收X射线， 散射或以衰减形式通过所述扁平产品传播的辐射，所述接收器将测量信号传递给用于处理测量信号的部件，以获得表示扁平产品的表面密度或厚度的信息。管的抗阴极由 原子序数尽可能高的材料，优选大于70，其是良好的导热体并具有高熔点。 用于调节阴极和反电极之间的电压（V）的构件被设计为在相对低的电压的预定范围内操作，以便与抗阴极结合获得基本上限于连续的微波辐射的X射线发射光谱 其最大能量由阴极和阴极之间的电压（V）的值固定。