公开(公告)号：US20240347307A1

公开(公告)日：2024-10-17

申请号：US18036762

申请日：2021-11-19

申请人： COMET HOLDING AG

发明人： Adrian Riedo

IPC分类号： H01J35/06 ,  H01J9/385 ,  H01J9/40 ,  H01J35/20

CPC分类号： H01J35/064 ,  H01J9/385 ,  H01J9/40 ,  H01J35/20

摘要： An X-ray tube includes a vacuum-sealed tube housing evacuated to a pressure of 10−7 mbar or lower, a cathode assembly inside the housing including an electron emitter adapted to emit electrons when heated at a temperature included in a defined working temperature range and at least one component containing carbon in an amount of at least 20% by weight, especially at least 30% by weight, even more especially at least 50% by weight, the at least one component being preferably designed for holding the emitter, and an anode assembly inside the housing including a target layer for receiving electrons emitted by the electron emitter, wherein the electron emitter preferably includes boride, preferably lanthanum hexaboride (LaB6), and wherein the cathode assembly is designed such that if the emitter temperature is included in the working temperature range.

公开(公告)号：US10825642B2

公开(公告)日：2020-11-03

申请号：US16309754

申请日：2017-06-18

申请人： Excillum AB

发明人： Tomi Tuohimaa

IPC分类号： H01J35/20 ,  H01J35/18

摘要： An X-ray source and a corresponding method for generating X-ray radiation are disclosed. The X-ray source includes a chamber comprising an interaction region, and a first electron source operable to emit a first electron beam, including electrons of a first energy, towards the interaction region such that the first electron beam interacts with a target to generate X-ray radiation. The X-ray source further includes a second electron source adapted to be independently operated to emit a second electron beam including electrons of a second energy for ionising particles in the chamber, and an ion collection tool that is adapted to remove the ionised particles from the chamber by means of an electromagnetic field. By ionising particles and preventing them from moving freely in the chamber, problems related to contamination of the chamber may be mitigated.

公开(公告)号：US10453644B2

公开(公告)日：2019-10-22

申请号：US15346761

申请日：2016-11-09

申请人： Carestream Health, Inc.

发明人： Xiaohui Wang ,  Michael K. Rogers

IPC分类号： H01J35/20 ,  H01J35/06 ,  H01J9/39 ,  H01J35/32

摘要： 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：US09831058B2

公开(公告)日：2017-11-28

申请号：US14601427

申请日：2015-01-21

申请人： VAREX IMAGING CORPORATION

发明人： David Craig Smith ,  Christopher Price ,  Derek Bullock ,  James E. Burke

IPC分类号： H01J5/22 ,  H01J35/18 ,  H01J9/385 ,  H01J9/40 ,  H01J35/08 ,  H01J35/16 ,  H01J7/18 ,  H01J35/20

CPC分类号： H01J5/22 ,  H01J7/18 ,  H01J9/385 ,  H01J9/40 ,  H01J35/08 ,  H01J35/16 ,  H01J35/18 ,  H01J35/20 ,  H01J2209/26

摘要： The disclosed subject matter includes devices and methods relating to vacuums and vacuum assemblies. In some aspects, methods and devices relate to a vacuum assembly including a body defining an evacuated vacuum chamber, a conduit in the body extending between the vacuum chamber and an exterior of the body, a plug at least partially occluding the conduit, and a seal between the plug and the body that seals the vacuum chamber from the exterior of the body.

公开(公告)号：US20150213993A1

公开(公告)日：2015-07-30

申请号：US14679776

申请日：2015-04-06

申请人： Tribogenics, Inc.

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

IPC分类号： H01J35/08 ,  H01J35/20 ,  H01J35/18

CPC分类号： H01J35/08 ,  H01J35/02 ,  H01J35/06 ,  H01J35/18 ,  H01J35/20 ,  H01J2235/186 ,  H05G2/00

摘要： 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.

摘要翻译： x射线装置利用材料带通过在保持低流体压力的腔室内的摩擦充电来交换电荷。 电荷被用于在壳体内产生X射线，其可以穿过壳体的窗口。 可以使用各种接触棒作为摩擦增压过程的一部分。

公开(公告)号：US20120257721A1

公开(公告)日：2012-10-11

申请号：US13530568

申请日：2012-06-22

申请人： Rae Jun Park

发明人： Rae Jun Park

IPC分类号： H01J35/20

CPC分类号： H01J35/20 ,  H01J35/10 ,  H01J35/14 ,  H01J35/18 ,  H01J2235/205

摘要： The present invention relates to an X-ray tube with non-evaporable getters disposed therein for maintaining a degree of vacuum sufficient to operate the X-ray tube. The present invention provides a fixed-anode X-ray tube and a rotating-anode X-ray tube in which non-evaporable getters are disposed. The X-ray tubes, even when rated power is introduced without an aging process, can perform gas adsorption sufficiently and stably during operation, despite gases that can be generated by the filament and the cathode focusing cap and gases that can be generated by the target.

摘要翻译： 本发明涉及一种其中设置有非蒸发性吸气剂的X射线管，用于保持足以使X射线管操作的真空度。 本发明提供一种固定阳极X射线管和旋转阳极X射线管，其中设置有非蒸发吸气剂。 X射线管即使在没有老化过程的情况下引入额定功率的情况下，也可以在运行过程中充分，稳定地进行气体吸附，尽管可以由灯丝和阴极聚焦盖产生的气体和由靶产生的气体 。

公开(公告)号：US20100111258A1

公开(公告)日：2010-05-06

申请号：US12512424

申请日：2009-07-30

申请人： JANI PETTERI REIJONEN ,  FREDERIC GICQUEL

发明人： JANI PETTERI REIJONEN ,  FREDERIC GICQUEL

IPC分类号： H01J35/20

CPC分类号： H05G2/00 ,  G21K1/10

摘要： A gamma ray generator includes an ion source in a first chamber. A second chamber is configured co-axially around the first chamber at a lower second pressure. Co-axially arranged plasma apertures separate the two chambers and provide for restricted passage of ions and gas from the first to the second chamber. The second chamber is formed by a puller electrode having at least one long channel aperture to draw ions from the first chamber when the puller electrode is subject to an appropriate applied potential. A plurality of electrodes rings in the third chamber in third pressure co-axially surround the puller electrode and have at least one channel corresponding to the at least one puller electrode aperture and plasma aperture. The electrode rings increase the energy of the ions to a selected energy in stages in passing between successive pairs of the electrodes by application of an accelerating voltage to the successive pairs of accelerator electrodes. A target disposed co-axially around the plurality of electrodes receives the beam of accelerated ions, producing gamma rays.

摘要翻译： 伽马射线发生器包括在第一腔室中的离子源。 第二腔室在较低的第二压力下围绕第一腔室共轴构造。 同轴布置的等离子体孔分开两个腔室并提供离子和气体从第一腔室到第二腔室的限制通道。 第二室由具有至少一个长通道孔的拉电极形成，以在拉电极受到适当的施加电位时从第一室抽出离子。 在第三压力下的第三室中的多个电极环共同地围绕拉电极并且具有对应于至少一个拉线电极孔和等离子体孔的至少一个通道。 电极环通过对连续的加速电极对施加加速电压，将电极的能量分阶段增加到连续的电极对之间。 围绕多个电极同轴设置的靶接收加速离子束，产生γ射线。

公开(公告)号：US07699999B2

公开(公告)日：2010-04-20

申请号：US12210300

申请日：2008-09-15

申请人： Yong Cho ,  Terri Cardellino ,  James Daniel Tremel

发明人： Yong Cho ,  Terri Cardellino ,  James Daniel Tremel

IPC分类号： H01J1/56 ,  H01J35/20 ,  H01J7/18 ,  C03C8/02 ,  C03C8/16

CPC分类号： B01J20/183 ,  B01D53/261 ,  H01L51/5259

摘要： The invention is directed to a screen-printable getter composition comprising: (a) glass frit; dispersed in (b) organic medium. The invention is further directed to a screen-printable thick film getter composition comprising: (a) glass frit; and (b) desiccant material; dispersed in (c) organic medium.The present invention further relates to a getter composition utilizing low-softening temperature glasses comprising, based on weight %, 1-50% SiO2, 0-80% B2O3, 0-90% Bi2O3, 0-90% PbO, 0-90% P2O5, 0-60% Li2O, 0-30% Al2O3, 0-10% K2O, 0-10% Na2O, and 0-30% MO where M is selected from Ba, Sr, Ca, Zn, Cu, Mg and mixtures thereof. The glasses described herein may contain several other oxide constituents that can substitute glass network-forming elements or modify glass structure.

摘要翻译： 本发明涉及一种可丝网印刷的吸气剂组合物，其包括：（a）玻璃料; 分散在（b）有机介质中。 本发明还涉及一种可丝网印刷的厚膜吸气剂组合物，其包含：（a）玻璃料; 和（b）干燥剂材料; 分散在（c）有机介质中。 本发明还涉及一种使用低软化温度的玻璃的吸气剂组合物，该组合物的重量百分数为1-50％SiO 2，0-80％B 2 O 3，0-90％Bi 2 O 3，0-90％PbO，0-90％ P 2 O 5，0-60％Li 2 O，0-30％Al 2 O 3，0-10％K 2 O，0-10％Na 2 O和0-30％MO，其中M选自Ba，Sr，Ca，Zn，Cu，Mg和混合物 其中。 本文所述的玻璃可以包含可以代替玻璃网络形成元件或改变玻璃结构的几种其它氧化物成分。

公开(公告)号：US07691288B2

公开(公告)日：2010-04-06

申请号：US12489634

申请日：2009-06-23

申请人： Carl B. Wang ,  Christopher John Roach ,  Fong-Pei Chang

发明人： Carl B. Wang ,  Christopher John Roach ,  Fong-Pei Chang

IPC分类号： H01J1/56 ,  H01J35/20 ,  H01J7/18 ,  C03C8/02 ,  C03C8/16

CPC分类号： H01L23/26 ,  B01J20/183 ,  B01J20/28026 ,  B01J20/2803 ,  B01J20/28033 ,  C03C8/02 ,  C03C8/04 ,  C03C8/10 ,  C03C8/24 ,  C03C8/245 ,  C03C27/06 ,  H01L51/5259 ,  H01L2924/0002 ,  H01L2924/09701 ,  H01L2924/12044 ,  H01L2924/00

摘要： The invention is directed to a process for making screen-printable getter composition comprising: (a) glass frit; and (b) pre-hydrated desiccant material; dispersed in (c) organic medium. The present invention further relates to a getter composition utilizing low-softening temperature glasses comprising, based on weight %, 1-50% SiO2, 0-80% B2O3, 0-90% Bi2O3, 0-90% PbO, 0-90% P2O5, 0-60% Li2O, 0-30% Al2O3, 0-10% K2O, 0-10% Na2O, and 0-30% MO where M is selected from Ba, Sr, Ca, Zn, Cu, Mg and mixtures thereof. The glasses described herein may contain several other oxide constituents that can substitute glass network-forming elements or modify glass structure.The desiccant material is pre-hydrated to reach its saturation level of moisture absorption. The process of pre-hydration can be done by exposing the desiccant in a normal temperature/humidity environment of for example, 25° C. and 50-60% RH. For 24 to 48 hours or up to the time when weight gain (due to moisture absorption) stops increasing. An accelerated hydration process in a chamber with higher than normal humidity level (i.e. 50% Relative Humidity) is also applicable to shorten the time of exposure to fully hydrate the desiccant material.

摘要翻译： 本发明涉及一种制备可印版吸气剂组合物的方法，包括：（a）玻璃料; 和（b）预水化干燥剂材料; 分散在（c）有机介质中。 本发明还涉及一种使用低软化温度的玻璃的吸气剂组合物，该组合物的重量百分数为1-50％SiO 2，0-80％B 2 O 3，0-90％Bi 2 O 3，0-90％PbO，0-90％ P 2 O 5，0-60％Li 2 O，0-30％Al 2 O 3，0-10％K 2 O，0-10％Na 2 O和0-30％MO，其中M选自Ba，Sr，Ca，Zn，Cu，Mg和混合物 其中。 本文所述的玻璃可以包含可以代替玻璃网络形成元件或改变玻璃结构的几种其它氧化物成分。 干燥剂材料预水合以达到其饱和吸湿水平。 预水合的过程可以通过在例如25℃和50-60％RH的常温/湿度环境中暴露干燥剂来进行。 24至48小时或直至体重增加（由于吸湿）停止增加的时间。 具有高于正常湿度水平（即50％相对湿度）的室中的加速水化过程也适用于缩短暴露于充分水合干燥剂材料的时间。

公开(公告)号：US07659529B2

公开(公告)日：2010-02-09

申请号：US12002939

申请日：2007-12-18

申请人： Efrain Figueroa

发明人： Efrain Figueroa

IPC分类号： H01J35/20

CPC分类号： H01S3/1055 ,  G02B27/646 ,  H01S3/137 ,  H01S3/139 ,  H01S3/225 ,  H01S2301/02

摘要： A method and apparatus is disclosed that may comprise an ultraviolet light source; an optical element within an optical path of the light source mounted on an optical element mount; a vibration damping mechanism operatively connected to the optical element or to the mount which may comprise a wire mesh pad. The optical element may comprise a center wavelength selection optical element, which may comprise a grating, a mirror, or a prism. The vibration damping mechanism may comprise the wire mesh pad comprising an elastic interface between a driving mechanism lever arm operable to move the optical element or the mount and a driving lever arm actuator. The vibration damping mechanism may comprise a mass damping mechanism comprising a mounting plate connected to the optical element or to the mount; a damping mass; the wire mesh pad comprising an elastic interface between the mounting plate and the damping mass.

摘要翻译： 公开了一种可以包括紫外光源的方法和装置; 安装在光学元件支架上的光源的光路内的光学元件; 可操作地连接到光学元件或可以包括丝网垫的安装件的减振机构。 光学元件可以包括中心波长选择光学元件，其可以包括光栅，反射镜或棱镜。 振动阻尼机构可以包括金属丝网垫，其包括可操作以移动光学元件或安装座的驱动机构杠杆臂和驱动杠杆臂致动器之间的弹性界面。 振动阻尼机构可以包括质量阻尼机构，其包括连接到光学元件或安装件的安装板; 阻尼块; 所述丝网垫包括所述安装板和所述阻尼块之间的弹性界面。