公开(公告)号：US12020891B2

公开(公告)日：2024-06-25

申请号：US17658496

申请日：2022-04-08

Applicant: CANON ELECTRON TUBES & DEVICES CO., LTD.

Inventor： Hiroto Urakata

IPC: H01J25/10

CPC classification number: H01J25/10

Abstract: According to one embodiment, a klystron includes a plurality of cavity resonators arranged next to each other on a coaxial line. The cavity resonators each comprise a cylindrical body, one and another drift tubes provided on respective sides of respective ends of the cylindrical body, one and another support and a space adjustment means which adjusts the space between the one and the other drift tubes. The cylindrical body comprises a projection projecting from one end surface parallel to the axial line, and the one support is provided to abut on the projection, and the space adjustment means presses the one support toward the projection and adjusts the space between the one and the other drift tubes by plastically deforming the projection.

公开(公告)号：US20230055124A1

公开(公告)日：2023-02-23

申请号：US17658496

申请日：2022-04-08

Applicant: CANON ELECTRON TUBES & DEVICES CO., LTD.

Inventor： Hiroto URAKATA

IPC: H01J25/10

Abstract: According to one embodiment, a klystron includes a plurality of cavity resonators arranged next to each other on a coaxial line. The cavity resonators each comprise a cylindrical body, one and another drift tubes provided on respective sides of respective ends of the cylindrical body, one and another support and a space adjustment means which adjusts the space between the one and the other drift tubes. The cylindrical body comprises a projection projecting from one end surface parallel to the axial line, and the one support is provided to abut on the projection, and the space adjustment means presses the one support toward the projection and adjusts the space between the one and the other drift tubes by plastically deforming the projection.

公开(公告)号：US08922107B2

公开(公告)日：2014-12-30

申请号：US14115534

申请日：2012-05-09

Applicant: Triveni Rao ,  John Walsh ,  Elizabeth Gangone

Inventor： Triveni Rao ,  John Walsh ,  Elizabeth Gangone

IPC: H01J1/32 ,  H01J29/41 ,  H01J9/12 ,  H01J1/35 ,  H01J29/04 ,  H01J3/02 ,  H01J25/10 ,  H01J23/04 ,  H01J9/18

CPC classification number: H01J29/04 ,  H01J3/021 ,  H01J9/125 ,  H01J9/18 ,  H01J23/04 ,  H01J25/10

Abstract: A vacuum encapsulated, hermetically sealed cathode capsule for generating an electron beam of secondary electrons, which generally includes a cathode element having a primary emission surface adapted to emit primary electrons, an annular insulating spacer, a diamond window element comprising a diamond material and having a secondary emission surface adapted to emit secondary electrons in response to primary electrons impinging on the diamond window element, a first cold-weld ring disposed between the cathode element and the annular insulating spacer and a second cold-weld ring disposed between the annular insulating spacer and the diamond window element. The cathode capsule is formed by a vacuum cold-weld process such that the first cold-weld ring forms a hermetical seal between the cathode element and the annular insulating spacer and the second cold-weld ring forms a hermetical seal between the annular spacer and the diamond window element whereby a vacuum encapsulated chamber is formed within the capsule.

Abstract translation: 一种用于产生二次电子的电子束的真空密封的气密密封阴极胶囊，其通常包括具有适于发射一次电子的主要发射表面的阴极元件，环形绝缘间隔物，包含金刚石材料的金刚石窗体元件， 二次发射表面适于响应于撞击在金刚石窗口元件上的初级电子发射二次电子，设置在阴极元件和环形绝缘间隔物之间​​的第一冷焊环和设置在环形绝缘间隔物和第二冷焊环之间的第二冷焊环， 钻石窗元素。 阴极胶囊通过真空冷焊工艺形成，使得第一冷焊环在阴极元件和环形绝缘垫片之间形成密封，第二冷焊环在环形间隔件和第二冷焊环之间形成密封 金刚石窗元件，由此在胶囊内形成真空密封室。

公开(公告)号：US08723137B1

公开(公告)日：2014-05-13

申请号：US14051665

申请日：2013-10-11

Applicant: Ruey-Jen Hwu ,  Jishi Ren ,  Jehn-Huar Chern ,  Laurence P. Sadwick

Inventor： Ruey-Jen Hwu ,  Jishi Ren ,  Jehn-Huar Chern ,  Laurence P. Sadwick

IPC: H01J25/02 ,  H01J25/10 ,  H01J3/08

CPC classification number: H01J3/32 ,  H01F7/0278 ,  H01J3/24 ,  H01J23/087 ,  H01J23/10 ,  H01J25/34

Abstract: Various embodiments of a vacuum electronic device, a hybrid magnet for a vacuum electronic device and methods of making a hybrid magnet for a vacuum electronic device are disclosed herein. In one embodiment, a hybrid magnet for a vacuum electronic device includes a first magnet, a second magnet positioned in spaced-apart relation with the first magnet and defining a gap between the first magnet and the second magnet, and a non-magnetic spacer positioned in a portion of the gap between the first magnet and second magnet and connected to the first magnet and the second magnet.

Abstract translation: 这里公开了真空电子器件，真空电子器件的混合磁体和制造用于真空电子器件的混合磁体的方法的各种实施例。 在一个实施例中，一种用于真空电子设备的混合磁体包括第一磁体，与第一磁体间隔开定位并在第一磁体和第二磁体之间限定间隙的第二磁体，以及非磁性间隔件 在第一磁体和第二磁体之间的间隙的一部分中并连接到第一磁体和第二磁体。

公开(公告)号：US08441191B2

公开(公告)日：2013-05-14

申请号：US12258107

申请日：2008-10-24

Applicant: Jonathan Michael Protz ,  Marc Stephen Verdiel ,  David James Fields

Inventor： Jonathan Michael Protz ,  Marc Stephen Verdiel ,  David James Fields

IPC: H01J25/10

CPC classification number: H01J25/10

Abstract: The present invention relates to the formation of a vacuum electronics circuit by the fusion bonding of multiple substrate wafers, e.g., silicon, copper, or other suitable conductive material, each etched using DRIE, cut using EDM, or machined by other suitable means. Other aspects of the invention relate to the alignment of a cathode with tube by fusion bonding the cathode wafer to a tube built using the fabrication methods described herein. Yet other aspects involve the alignment of dies or wafers during the fabrication of a vacuum electronics device using the “lego” technique outlined herein. In yet other aspects, fabrication methods are described.

Abstract translation: 本发明涉及通过多个衬底晶片（例如硅，铜或其它合适的导电材料）的熔接来形成真空电子电路，每个衬底晶片使用DRIE蚀刻，使用EDM切割，或者由其它合适的方法加工。 本发明的其它方面涉及通过将阴极晶片与使用本文所述的制造方法构建的管子进行熔接将阴极与管线对准。 还有其它方面涉及使用本文概述的“lego”技术在制造真空电子设备期间对准晶片或晶片。 在其它方面，描述了制造方法。

公开(公告)号：US07750572B2

公开(公告)日：2010-07-06

申请号：US11718230

申请日：2005-10-24

Applicant: David Bariou ,  Christophe Lievin

Inventor： David Bariou ,  Christophe Lievin

IPC: H01J23/16 ,  H01J25/10

CPC classification number: H01J23/033 ,  H01J23/027 ,  H01J25/02

Abstract: The invention relates to a microwave power tube consisting of an electron gun comprising a cathode that generates an electron beam in a microwave structure of the tube, and a collector for collecting electrons from the beam. In addition, the tube comprises a magnetic device for spreading the beam in the collector, which generates a periodic amplitude-modulated magnetic spread field Bblm. The invention is suitable for microwave power tubes.

Abstract translation: 本发明涉及一种由电子枪组成的微波功率管，该电子枪包括在管的微波结构中产生电子束的阴极和用于从该束收集电子的集电器。 此外，该管包括用于在收集器中扩展光束的磁性装置，其产生周期性调幅磁场Bblm。 本发明适用于微波功率管。

公开(公告)号：US07619363B2

公开(公告)日：2009-11-17

申请号：US11378611

申请日：2006-03-17

Applicant: David H. Whittum ,  Eiji Tanabe

Inventor： David H. Whittum ,  Eiji Tanabe

IPC: H01J25/10

CPC classification number: H05H7/18 ,  H01J23/34 ,  H01J23/36 ,  H05H7/12

Abstract: An energy switch for use in a radiation system includes an element located within a structure having a cavity, the element capable of being biased by a magnetic field, and a device for generating the magnetic field to thereby bias the element. An energy switch for use in a radiation system includes a structure forming at least a part of a cavity, an element coupled to the structure and located outside the cavity, the element capable of being biased by a magnetic field, and a device for generating the magnetic field to bias the element. A method for use in a radiation procedure includes providing a first magnetic field, and using the first magnetic field to create a first bias for an element that is located outside a cavity of an accelerator, thereby changing en electric field associated with the accelerator.

Abstract translation: 用于辐射系统的能量开关包括位于具有空腔的结构中的元件，该元件能够被磁场偏置，以及用于产生磁场从而偏置元件的装置。 用于辐射系统的能量开关包括形成空腔的至少一部分的结构，耦合到结构并位于空腔外部的元件，能够被磁场偏置的元件，以及用于产生 磁场偏置元件。 用于辐射过程的方法包括提供第一磁场，并且使用第一磁场为位于加速器的腔外部的元件产生第一偏置，从而改变与加速器相关联的电场。

公开(公告)号：US07400093B2

公开(公告)日：2008-07-15

申请号：US10957212

申请日：2004-10-01

Applicant: Arthur Salop ,  David H. Whittum ,  Michael A. Kauffman ,  Mark E. Trail ,  Gard E. Meddaugh

Inventor： Arthur Salop ,  David H. Whittum ,  Michael A. Kauffman ,  Mark E. Trail ,  Gard E. Meddaugh

IPC: H01J25/10

CPC classification number: H01J35/00 ,  H05H9/04

Abstract: A method for generating an electron beam includes prescribing a location, and generating an envelope of electrons, the envelope having a waist, wherein the generating is performed such that the waist of the envelope is at or adjacent to the prescribed location. A device for generating an electron beam includes a gun source for generating electrons, and a plurality of electromagnetic cavities coupled in series to form a body, the electromagnetic cavities configured to accelerate at least some of the electrons to create a beam of electrons at an energy level having a value between 5 MeV and 20 MeV, the beam of electrons having a cross sectional dimension that is 0.02 λ (or 2 mm) or less.

Abstract translation: 一种用于产生电子束的方法包括处理位置，以及产生电子包络，所述包络具有腰部，其中所述产生被执行，使得所述包络的腰部处于或接近所述规定位置。 用于产生电子束的装置包括用于产生电子的枪源和串联耦合以形成主体的多个电磁腔，所述电磁腔配置成加速至少一些电子以产生能量束的电子 具有5MeV和20MeV之间的值的电子束的横截面尺寸为0.02λ（或2mm）或更小。

公开(公告)号：US07151347B1

公开(公告)日：2006-12-19

申请号：US11168198

申请日：2005-06-28

Applicant: Ganapati Rao Myneni ,  Bjorgvin Hjorvarsson ,  Gianluigi Ciovati

Inventor： Ganapati Rao Myneni ,  Bjorgvin Hjorvarsson ,  Gianluigi Ciovati

IPC: H01J25/00 ,  H01J25/10

CPC classification number: H01P11/008 ,  H05H7/20

Abstract: A niobium cavity exhibiting high quality factors at high gradients is provided by treating a niobium cavity through a process comprising: 1) removing surface oxides by plasma etching or a similar process; 2) removing hydrogen or other gases absorbed in the bulk niobium by high temperature treatment of the cavity under ultra high vacuum to achieve hydrogen outgassing; and 3) assuring the long term chemical stability of the niobium cavity by applying a passivating layer of a superconducting material having a superconducting transition temperature higher than niobium thereby reducing losses from electron (cooper pair) scattering in the near surface region of the interior of the niobium cavity. According to a preferred embodiment, the passivating layer comprises niobium nitride (NbN) applied by reactive sputtering.

Abstract translation: 通过以下方法处理铌腔来提供在高梯度下呈现高质量因子的铌腔，该方法包括：1）通过等离子蚀刻或类似工艺去除表面氧化物; 2）通过在超高真空下对空腔进行高温处理，去除大量铌中吸收的氢或其他气体，实现氢气除气; 并且3）通过施加超导材料的超导材料的钝化层来确保铌腔的长期化学稳定性，其中超导材料的超导转变温度高于铌，从而减少了在内部的内表面区域内的电子（铜对）散射的损失 铌腔。 根据优选实施例，钝化层包括通过反应溅射施加的氮化铌（NbN）。

公开(公告)号：US06864633B2

公开(公告)日：2005-03-08

申请号：US10407101

申请日：2003-04-03

Applicant: Mark E. Trail ,  David H. Whittum ,  Gard E. Meddaugh

Inventor： Mark E. Trail ,  David H. Whittum ,  Gard E. Meddaugh

IPC: H01J35/00 ,  H05H9/04 ,  H01J25/10

CPC classification number: H01J35/00 ,  H05H9/04

Abstract: A standing wave electron beam accelerator and x-ray source is described. The accelerator has a plurality of on-axis resonant cells having axial apertures electrically coupled to one another by on-axis coupling cells having axial apertures. The accelerator includes a buncher cavity defined in part by an apertured anode and a half cell. The buncher cavity is configured to receive electrons injected through said anode aperture and r.f. focus them into a beam which is projected along the axis through said apertures. An x-ray target is supported in spaced relationship to said accelerator by a support having a smaller diameter than the accelerator.

Abstract translation: 描述了驻波电子束加速器和x射线源。 加速器具有多个轴上共振单元，其具有通过具有轴向孔的轴上耦合单元彼此电耦合的轴向孔。 加速器包括部分由有孔阳极和半电池限定的聚束室。 聚束腔被配置为接收通过所述阳极孔径注入的电子，并且r.f. 将它们聚焦成沿轴线通过所述孔突出的梁。 通过具有比加速器更小的直径的支撑件与所述加速器间隔开地支撑x射线靶。