公开(公告)号：US20240290569A1

公开(公告)日：2024-08-29

申请号：US18176458

申请日：2023-02-28

Applicant: Varex Imaging Corporation

Inventor： Dave Kirkham ,  Amber McMullin ,  Vance Scott Robinson ,  Jake Riggle

IPC: H01J35/20 ,  H01J35/16

CPC classification number: H01J35/20 ,  H01J35/16 ,  H01J2235/166 ,  H01J2235/205

Abstract: Some embodiments include an apparatus, comprising: a vacuum enclosure including an opening; a support structure disposed in the vacuum enclosure, the support structure comprising: a first portion attached to the vacuum enclosure at the opening; and a second portion extending within the vacuum enclosure; and a plurality of getters disposed on the second portion of the support structure.

公开(公告)号：US11749490B2

公开(公告)日：2023-09-05

申请号：US17518130

申请日：2021-11-03

Applicant: Pascal Ponard

Inventor： Pascal Ponard

IPC: H01J35/16 ,  H01J35/20 ,  H01J35/32

CPC classification number: H01J35/16 ,  H01J35/20 ,  H01J35/32 ,  H01J2235/163 ,  H01J2235/164

Abstract: Methods and means for reduced ng the overall diameter of an x-ray tube by recessing the vacuum pumping port stub within the ground plane of the x-ray tube without adversely affecting the electrostatic fields within the vacuum tube itself are provided. In one embodiment, x-ray tubes of smaller diameter, which can be used within the highly confined diameters typically found within the pressure housings of borehole tools are used.

公开(公告)号：US20180068822A1

公开(公告)日：2018-03-08

申请号：US15652102

申请日：2017-07-17

Applicant: Tribogenics, Inc.

Inventor： Carlos G. Camara ,  Mark G. Valentine ,  Zachary J. Gamlieli ,  Benjamin A. Lucas ,  David M. Kamkar ,  Pedro Cortes, JR. ,  Vasish Narayan M. ,  Gilberto Jimenez ,  Daniel E. Cuadra

IPC: H01J35/08 ,  H01J35/06 ,  H01J35/02 ,  H05G2/00 ,  H01J35/20 ,  H01J35/18

CPC classification number: H01J35/08 ,  H01J35/02 ,  H01J35/06 ,  H01J35/18 ,  H01J35/20 ,  H01J2235/186 ,  H05G2/00

Abstract: An x-ray device utilizes a band of material to exchange charge through tribocharging within a chamber maintained at low fluid pressure. The charge is utilized to generate x-rays within the housing, which may pass through a window of the housing. Various contact rods may be used as part of the tribocharging process.

公开(公告)号：US09887063B2

公开(公告)日：2018-02-06

申请号：US14356578

申请日：2012-10-25

Applicant: CANON KABUSHIKI KAISHA

Inventor： Koji Yamazaki ,  Yasue Sato ,  Kazuyuki Ueda

IPC: H01J35/00 ,  H01J35/16 ,  H01J5/26 ,  G01N23/02 ,  H01J9/26 ,  H01J9/32 ,  H01J9/36 ,  H01J9/395 ,  H01J35/02 ,  H01J35/20

CPC classification number: H01J35/16 ,  G01N23/02 ,  H01J5/26 ,  H01J9/26 ,  H01J9/32 ,  H01J9/36 ,  H01J9/395 ,  H01J35/025 ,  H01J35/20 ,  H01J2209/18 ,  H01J2209/26 ,  H01J2235/084

Abstract: The present invention relates to a radiation generating tube. The radiation generating tube includes an envelope including an insulating tubular member having at least two openings, a cathode connected to one of the openings of the insulating tubular member, and an anode connected to the other of the openings of the insulating tubular member. At least one of the cathode and the anode and the insulating tubular member are bonded at a bonded portion with an electrically conductive bonding member; and the bonded portion bonded with the electrically conductive bonding member is coated with a dielectric layer.

公开(公告)号：US20170148607A1

公开(公告)日：2017-05-25

申请号：US15346761

申请日：2016-11-09

Applicant: Carestream Health, Inc.

Inventor： Xiaohui WANG ,  Michael K. ROGERS

IPC: H01J35/10 ,  H01J35/06

CPC classification number: H01J35/20 ,  H01J9/39 ,  H01J35/065 ,  H01J2201/30469 ,  H01J2235/062 ,  H01J2235/205

Abstract: An X-ray tube has a housing enclosing a vacuum chamber. There is a primary field-emission cathode within the vacuum chamber, a secondary cathode within the vacuum chamber, spaced apart from the primary cathode, and an anode target within the vacuum chamber.

公开(公告)号：US09570266B2

公开(公告)日：2017-02-14

申请号：US15135668

申请日：2016-04-22

Applicant: Shimadzu Corporation

Inventor： Akihiro Miyaoka

IPC: H01J5/48 ,  H01J19/64 ,  H01J35/16 ,  H01J37/16 ,  H05G1/02 ,  H05G1/04 ,  H01J5/04 ,  H01J5/02 ,  H01J19/54 ,  A61B6/00

CPC classification number: H01J35/16 ,  A61B6/40 ,  A61B6/44 ,  A61B2560/0406 ,  H01J5/02 ,  H01J5/04 ,  H01J5/48 ,  H01J19/54 ,  H01J19/64 ,  H01J35/08 ,  H01J35/18 ,  H01J35/20 ,  H01J35/28 ,  H01J37/16 ,  H01J2235/16 ,  H01J2235/163 ,  H01J2235/186 ,  H05G1/02 ,  H05G1/04

Abstract: An x-ray generating apparatus comprises: a vacuum container having a main body, and a moving member coupled movably and airtightly to the main body via a vacuum bellows; and a guide mechanism, provided on an outer side of the vacuum container, for regulating the movement and inclination of the moving member in an approaching/separation direction with respect to an electron gun. The guide mechanism includes a guide portion where a guide flat surface along a plane orthogonal to a central axis of the electron beam is formed, the guide portion being provided on the main body side, a guided portion where a guided flat surface facing the guide flat surface is formed, the guided portion being provided on the moving member side, and at least three rolling elements placed between the guide flat surface and the guided flat surface.

Abstract translation: X射线产生装置包括：具有主体的真空容器和通过真空波纹管可移动和气密地连接到主体的移动构件; 以及引导机构，设置在真空容器的外侧，用于调节移动构件相对于电子枪的接近/分离方向的移动和倾斜。 引导机构包括：引导部，其沿着与电子束的中心轴正交的平面形成引导平面，引导部设置在主体侧，引导部，其中被引导的平面朝向引导平面 形成有导向部分设置在移动构件侧上的至少三个滚动元件，以及设置在引导平面与导向平面之间的至少三个滚动元件。

公开(公告)号：US20140369467A1

公开(公告)日：2014-12-18

申请号：US14356578

申请日：2012-10-25

Applicant: CANON KABUSHIKI KAISHA

Inventor： Koji Yamazaki ,  Yasue Sato ,  Kazuyuki Ueda

IPC: H01J35/16 ,  H01J35/20 ,  H01J9/36 ,  H01J9/32 ,  H01J9/395 ,  H01J9/26 ,  H01J35/02 ,  G01N23/02

CPC classification number: H01J35/16 ,  G01N23/02 ,  H01J5/26 ,  H01J9/26 ,  H01J9/32 ,  H01J9/36 ,  H01J9/395 ,  H01J35/025 ,  H01J35/20 ,  H01J2209/18 ,  H01J2209/26 ,  H01J2235/084

Abstract: The present invention relates to a radiation generating tube. The radiation generating tube includes an envelope including an insulating tubular member having at least two openings, a cathode connected to one of the openings of the insulating tubular member, and an anode connected to the other of the openings of the insulating tubular member. At least one of the cathode and the anode and the insulating tubular member are bonded at a bonded portion with an electrically conductive bonding member; and the bonded portion bonded with the electrically conductive bonding member is coated with a dielectric layer.

Abstract translation: 本发明涉及一种辐射生成管。 辐射发生管包括一个外壳，它包括一个具有至少两个开口的绝缘管状构件，一个连接到绝缘管状构件的一个开口的阴极和连接到绝缘管状构件的另一个开口的阳极。 阴极和阳极和绝缘管状构件中的至少一个在接合部分处与导电接合构件接合; 并且与导电接合部件接合的接合部分涂覆有电介质层。

公开(公告)号：US20120207269A1

公开(公告)日：2012-08-16

申请号：US13501464

申请日：2010-10-21

Applicant: Rolf Karl Otto Behling

Inventor： Rolf Karl Otto Behling

IPC: H01J35/04 ,  G01N23/04 ,  H01J35/30 ,  A61B6/03 ,  B82Y99/00

CPC classification number: H01J35/04 ,  H01J35/14 ,  H01J35/16 ,  H01J35/20 ,  H01J35/30 ,  H01J2235/068 ,  H01J2235/168 ,  H01J2235/205

Abstract: The present invention relates to X-ray generating technology in general. Providing X-ray generating device internal voltage sources or potentials may help reduce necessary feed-throughs into an evacuated envelope of an X-ray generating device. Consequently, an X-ray generating device comprising an electron scattering element is presented. According to the present invention, an X-ray generating device is provided, comprising an electron emitting element 16, an electron collecting element 20 and an electron scattering element 42. A primary electron beam 17a is arrangeable between the electron emitting element 16 and the electron collecting element 20. The electron emitting element 16 and the electron collecting element 20 are operatively coupled for generating X-radiation 14.

Abstract translation: 本发明一般涉及X射线产生技术。 提供X射线产生装置的内部电压源或电位可以有助于减少必要的馈通到X射线产生装置的抽真空的外壳中。 因此，提出了包括电子散射元件的X射线产生装置。 根据本发明，提供一种X射线产生装置，其包括电子发射元件16，电子收集元件20和电子散射元件42.一个电子束17a可布置在电子发射元件16和电子 电子发射元件16和电子收集元件20可操作地耦合以产生X辐射14。

公开(公告)号：US08121258B2

公开(公告)日：2012-02-21

申请号：US12667464

申请日：2008-07-02

Applicant: Peter Hoghoj ,  Pascal Boulee ,  Paraskevi Ntova ,  Sergio Rodrigues

Inventor： Peter Hoghoj ,  Pascal Boulee ,  Paraskevi Ntova ,  Sergio Rodrigues

IPC: H01J35/10

CPC classification number: H01J35/10 ,  B82Y10/00 ,  G21K2201/061 ,  G21K2201/064 ,  H01J35/14 ,  H01J35/20

Abstract: The invention relates to X-ray analytical instruments (RX), more precisely a device for providing a high energy X-ray beam, typically above 4 keV, for X-ray analysis applications. The device comprises an X-ray tube with a turning anode and an X-ray lens for shaping the beam.

Abstract translation: 本发明涉及X射线分析仪器（RX），更准确地说，一种用于提供通常高于4keV的高能X射线束用于X射线分析应用的装置。 该装置包括具有转向阳极的X射线管和用于使束成形的X射线透镜。

公开(公告)号：US20100239071A1

公开(公告)日：2010-09-23

申请号：US12602177

申请日：2008-05-21

Applicant: Ryozo Takeuchi ,  Hiroshi Morita ,  Yoshitaka Seki ,  Yoshiaki Tsumuraya

Inventor： Ryozo Takeuchi ,  Hiroshi Morita ,  Yoshitaka Seki ,  Yoshiaki Tsumuraya

IPC: H01J35/16 ,  H01J35/00

CPC classification number: H01J35/16 ,  H01J35/20 ,  H01J2235/205

Abstract: The present invention provides an X-ray tube that improves and stabilizes a withstanding voltage performance and thus ensures the reliability of a product.The present invention is an X-ray tube comprising a cathode for emitting electrons, an anode for emitting an X-ray which an irradiation of the electrons emitted from the cathode causes, and a glass tube for confining the cathode and the anode in a vacuum, wherein an inside surface of the glass tube is covered with a glass thin film having a melting point lower than that of a glass of the glass tube and particles adhered to the glass tube by the glass thin film.

Abstract translation: 本发明提供一种X射线管，其能够改善和稳定耐压性能，从而确保产品的可靠性。 本发明是一种包括用于发射电子的阴极的X射线管，用于发射从阴极发射的电子的照射引起的X射线的阳极和用于将阴极和阳极限制在真空中的玻璃管 其特征在于，所述玻璃管的内表面被玻璃薄膜覆盖，所述玻璃薄膜的熔点低于所述玻璃管的玻璃的熔点，所述玻璃薄片的玻璃薄片附着在所述玻璃管上。