公开(公告)号：US07852987B2

公开(公告)日：2010-12-14

申请号：US12453655

申请日：2009-05-18

Applicant: Jihad Hassan Al-Sadah ,  Ezzat Abbas Mansour ,  Nabil Maalej

Inventor： Jihad Hassan Al-Sadah ,  Ezzat Abbas Mansour ,  Nabil Maalej

IPC: H01J35/08

CPC classification number: H01J35/28 ,  H01J35/08 ,  H01J35/26 ,  H01J2235/088 ,  H01J2235/10

Abstract: The X-ray tube having a rotating and linearly translating anode includes an evacuated shell having a substantially cylindrical anode rotatably mounted therein. The substantially cylindrical anode may be rotated through the usage of any suitable rotational drive, and the substantially cylindrical anode is further selectively and controllably linearly translatable about the rotating longitudinal axis thereof. A cathode is further mounted within the evacuated shell for producing an electron beam that impinges on an outer surface of the substantially cylindrical anode, thus forming a focal spot thereon. X-rays are generated from the focal spot and are transmitted through an X-ray permeable window formed in the evacuated shell.

公开(公告)号：US20100111260A1

公开(公告)日：2010-05-06

申请号：US11996010

申请日：2007-04-20

Applicant: Joseph W. Motz ,  Donald R. Ouimette

Inventor： Joseph W. Motz ,  Donald R. Ouimette

IPC: H01J35/10 ,  H01J35/08 ,  H01J35/00

CPC classification number: H01J35/08 ,  H01J35/10 ,  H01J35/16 ,  H01J35/26 ,  H01J35/28 ,  H01J2235/081 ,  H01J2235/087 ,  H01J2235/1204 ,  H01J2235/1216 ,  H01J2235/122 ,  H01J2235/162 ,  H01J2235/165 ,  H01J2235/186

Abstract: An x-ray tube assembly includes an x-ray tube envelope, a cathode assembly and a transmission anode assembly. The transmission anode assembly includes an x-ray generation layer and an anode substrate. The x-ray generation layer may be annular and mounted on a rotating disc-shaped anode substrate or cylindrical and mounted on a rotating and/or oscillating cylindrical anode substrate.

Abstract translation: X射线管组件包括X射线管外壳，阴极组件和传输阳极组件。 透射阳极组件包括x射线产生层和阳极衬底。 x射线产生层可以是环形的，并且安装在旋转的盘形阳极衬底或圆柱形上并且安装在旋转和/或振荡的圆柱形阳极衬底上。

公开(公告)号：US20090074145A1

公开(公告)日：2009-03-19

申请号：US11856328

申请日：2007-09-17

Applicant: Harith Vadari ,  Mark Frontera ,  Mandyam Sridhar ,  Manoharan Venugopal ,  Debasish Mishra ,  Savio Sebastian

Inventor： Harith Vadari ,  Mark Frontera ,  Mandyam Sridhar ,  Manoharan Venugopal ,  Debasish Mishra ,  Savio Sebastian

IPC: H01J35/02

CPC classification number: H01J35/28

Abstract: An X-ray tube anode assembly, an X-ray tube assembly and a method for heat management to an X-ray assembly having a movable X-ray target having a target surface. The anode assembly includes a drive member arranged and disposed to provide oscillatory motion to the target assembly and a target surface that is configured to remain at a substantially fixed distance from a cathode assembly during oscillatory motion.

Abstract translation: X射线管阳极组件，X射线管组件和用于对具有目标表面的可移动X射线靶的X射线组件进行热管理的方法。 阳极组件包括布置和设置成向目标组件提供振荡运动的驱动构件和构造成在振荡运动期间保持与阴极组件基本固定距离的目标表面。

公开(公告)号：US07085351B2

公开(公告)日：2006-08-01

申请号：US10358160

申请日：2003-02-05

Applicant: Jianping Lu ,  Otto Zhou ,  Yuan Cheng

Inventor： Jianping Lu ,  Otto Zhou ,  Yuan Cheng

IPC: H01J35/32

CPC classification number: H01J35/06 ,  A61B6/032 ,  A61B6/4021 ,  A61B6/4028 ,  A61B6/405 ,  A61B6/4488 ,  A61B6/482 ,  B82Y10/00 ,  H01J3/021 ,  H01J35/065 ,  H01J35/08 ,  H01J35/105 ,  H01J35/14 ,  H01J35/22 ,  H01J35/28 ,  H01J35/30 ,  H01J2201/30469 ,  H01J2235/06 ,  H01J2235/062 ,  H01J2235/064 ,  H01J2235/068 ,  H05G1/34

Abstract: An x-ray generating device includes a field emission cathode formed at least partially from a nanostructure-containing material having an emitted electron current density of at least 4 A/cm2. High energy conversion efficiency and compact design are achieved due to easy focusing of cold cathode emitted electrons and dramatic reduction of heating at the anode. In addition, by pulsing the field between the cathode and the gate or anode and focusing the electron beams at different anode materials, pulsed x-ray radiation with varying energy can be generated from a single device. Methods and apparatus for independent control of electron emission current and x-ray energy in x-ray tubes are also provided. The independent control can be accomplished by adjusting the distance between the cathode and anode. The independent control can also be accomplished by adjusting the temperature of the cathode. The independent control can also be accomplished by optical excitation of the cathode. The cathode can include field emissive materials such as carbon nanotubes.

公开(公告)号：US3836805A

公开(公告)日：1974-09-17

申请号：US36242373

申请日：1973-05-21

Applicant: PHILIPS CORP

Inventor： KOK P

IPC: H01J35/10 ,  H01J35/24 ,  H01J35/28

CPC classification number: H01J35/28 ,  H01J35/10 ,  H01J35/24

Abstract: A rotating anode x-ray tube employing a generally cylindrical anode which is axially moveable relative to the cathode so that the focal spot traverses a spiral path as the anode rotates and moves axially. The axial displacement of the anode can be controlled by the temperature of the focal spot, i.e. by measuring the light emitted from the focal spot area.

Abstract translation: 一种使用大致圆柱形的阳极的旋转阳极x射线管，其可相对于阴极轴向移动，使得当阳极旋转并轴向移动时，焦点穿过螺旋路径。 阳极的轴向位移可以通过焦斑的温度，即通过测量从焦斑区域发射的光来控制。

公开(公告)号：US2058105A

公开(公告)日：1936-10-20

申请号：US35008429

申请日：1929-03-26

Applicant: ERNST POHL

Inventor： ERNST POHL

IPC: H01J35/28

CPC classification number: H01J35/28

公开(公告)号：US1997676A

公开(公告)日：1935-04-16

申请号：US65623833

申请日：1933-02-11

Applicant: CATLIN KENNETH G

Inventor： CATLIN KENNETH G

IPC: H01J35/28

CPC classification number: H01J35/28

公开(公告)号：US11844641B2

公开(公告)日：2023-12-19

申请号：US17300467

申请日：2021-07-12

Applicant: Michael Keith Fuller

Inventor： Michael Keith Fuller

IPC: H01J35/10 ,  H01J35/26 ,  H01J35/28 ,  H01J35/30 ,  H05G1/52 ,  A61B6/00 ,  G01N23/041

CPC classification number: A61B6/484 ,  A61B6/4021 ,  H01J35/10 ,  H01J35/26 ,  H01J35/28 ,  H01J35/305 ,  H05G1/52 ,  A61B6/5205 ,  G01N23/041 ,  G21K2207/005 ,  H01J2235/068 ,  H01J2235/081 ,  H01J2235/086

Abstract: An x-ray tube source is disclosed that allows differential phase shift, attenuation, and x-ray scattering features of an object to be acquired in a single exposure. Such multiplexed x-ray tube source includes multiple x-ray spot origins controlled in such a way that each slightly separated spot is temporally modulated “ON and OFF” at differing frequencies. In an x-ray interferometer system, such x-ray tube source forms multiple illumination beams of a single angular view of an object's feature but each with different interference fringe locations. A composite image can be acquired with a high frame-rate digital detector as a component element in such x-ray interferometer system. Such composite image can be subsequently de-multipexed and separately presented according to each spot-source illumination beam. Such isolated images of an object's feature, each having different fringe locations, allows for post-acquisition “fringe-mapping” analysis of the feature's full interaction with x-rays, including refraction, scattering, and absorption.

公开(公告)号：US20130016813A1

公开(公告)日：2013-01-17

申请号：US13638197

申请日：2011-03-30

Applicant: Hiromichi Yamazui ,  Keisuke Kobayashi ,  Hideo Iwai ,  Masaaki Kobata

Inventor： Hiromichi Yamazui ,  Keisuke Kobayashi ,  Hideo Iwai ,  Masaaki Kobata

IPC: G21K5/04 ,  G21K1/06 ,  H01J35/08

CPC classification number: G01N23/2273 ,  G01N2223/204 ,  G01N2223/206 ,  G21K1/06 ,  G21K7/00 ,  H01J35/28 ,  H01J35/30 ,  H01J2235/081 ,  H01J2235/086 ,  H01J2235/163

Abstract: [Object] The present invention provides an X-ray irradiation device capable of adjusting the energy of X-rays in a wide range, and an analysis device equipped with the X-ray irradiation device.[Solving Means] An X-ray irradiation device according to an embodiment of the present invention focuses X-rays emitted from an X-ray generation mechanism to a predetermined focal position by a focusing mechanism. The X-ray generation mechanism has a structure which generates a plurality of X-rays having different wavelengths. The focusing mechanism has a structure in which the plurality of X-rays are focused to the same focal position by focusing elements having diffraction characteristics suitable for the wavelengths of the respective X-rays generated by the X-ray generation mechanism.

Abstract translation: 本发明提供能够在宽范围内调整X射线能量的X射线照射装置以及配备有X射线照射装置的分析装置。 本发明的实施方式的X射线照射装置通过聚焦机构将从X射线产生机构发射的X射线聚焦到预定的焦点位置。 X射线产生机构具有产生具有不同波长的多个X射线的结构。 聚焦机构具有通过具有适合于由X射线产生机构产生的各X射线的波长的衍射特性的聚焦元件将多个X射线聚焦到同一焦点位置的结构。

公开(公告)号：US08259905B2

公开(公告)日：2012-09-04

申请号：US12805289

申请日：2010-07-22

Applicant: Jihad Hassan Al-Sadah ,  Nabil Maalej ,  Ezzat Abbas Mansour

Inventor： Jihad Hassan Al-Sadah ,  Nabil Maalej ,  Ezzat Abbas Mansour

IPC: H01J35/08

CPC classification number: H01J35/26 ,  H01J35/08 ,  H01J35/28 ,  H01J2235/088 ,  H01J2235/1006 ,  H01J2235/1026

Abstract: The X-ray tube having a rotating and linearly translating anode includes an evacuated shell having a substantially cylindrical anode rotatably mounted therein. The substantially cylindrical anode may be rotated through the usage of any suitable rotational drive, and the substantially cylindrical anode is further selectively and controllably linearly translatable about the rotating longitudinal axis thereof. A cathode is further mounted within the evacuated shell for producing an electron beam that impinges on an outer surface of the substantially cylindrical anode, thus forming a focal spot thereon. X-rays are generated from the focal spot and are transmitted through an X-ray permeable window formed in the evacuated shell.

Abstract translation: 具有旋转和线性平移阳极的X射线管包括具有可旋转地安装在其中的大致圆柱形阳极的抽真空壳体。 基本上圆柱形的阳极可以通过使用任何合适的旋转驱动器而旋转，并且基本上圆柱形的阳极进一步选择性地和可控制地围绕其旋转的纵向轴线直线平移。 阴极还被安装在抽真空的外壳内，用于产生撞击在大致圆柱形阳极的外表面上的电子束，从而在其上形成焦点。 X射线从焦点产生并通过形成在抽真空壳体中的X射线透过窗透射。