公开(公告)号：US08427039B2

公开(公告)日：2013-04-23

申请号：US12447966

申请日：2007-12-10

Applicant: Pierre Legagneux ,  Ludovic Hudanski ,  Jean-Philippe Schnell ,  Dominique Dieumegard ,  Pierrick Guiset ,  Alfredo De Rossi

Inventor： Pierre Legagneux ,  Ludovic Hudanski ,  Jean-Philippe Schnell ,  Dominique Dieumegard ,  Pierrick Guiset ,  Alfredo De Rossi

IPC: H01J31/00

CPC classification number: H01J23/04 ,  B82Y10/00 ,  H01J1/304 ,  H01J9/02 ,  H01J35/065 ,  H01J2201/30469

Abstract: In an optically controlled cold-cathode electron tube, the emitters 1, of nanometer and/or micron size and of elongate shape, have a structure comprising a first material (4) of sp2-bonding carbon type and a metallic second material (3), said first material being in contact with and surrounding said second material at its top and over the entire length of the emitter or at least part of said length starting from its top toward the base (b). The second material has a plasma frequency substantially equal to or greater than the frequency of the optical control wave.

Abstract translation: 在光学控制的冷阴极电子管中，纳米和/或微米尺寸和细长形状的发射体1具有包括sp2结合碳型的第一材料（4）和金属第二材料（3）的结构， 所述第一材料在其顶部和整个发射器的整个长度上与所述第二材料接触并围绕所述第二材料，或者从其顶部朝向基底（b）开始的至少部分所述长度。 第二材料的等离子体频率基本上等于或大于光学控制波的频率。

公开(公告)号：US20130039474A1

公开(公告)日：2013-02-14

申请号：US13209203

申请日：2011-08-12

Applicant: Marcos Turqueti ,  Guilherme Cardoso ,  Jonathan Kidney

Inventor： Marcos Turqueti ,  Guilherme Cardoso ,  Jonathan Kidney

IPC: H01J35/06 ,  H01J9/12 ,  H01J9/26 ,  H01J35/08

CPC classification number: H01J35/065

Abstract: Systems and methods are described for a compact x-ray system that uses optical energy for triggering x-ray generation rather than a traditional filament. A photocathode is illuminated and the ensuing electrons are directed to an anode resulting in x-ray generation, resulting in increased x-ray source durability. Pulsing, beam forming, scanning, varying x-ray characteristics, longevity of source and other desirable attributes not currently available in the state of the art are achievable, through the use of shaped, multi-materialed photocathodes, shaped, multi-materialed anodes, arrays of optical lines, and so forth, as some examples. Inexpensive, highly controllable sources such as solid-state lasers can be used, permitting a wide variety of applications and power levels.

Abstract translation: 描述了一种紧凑的x射线系统的系统和方法，该系统使用光能来触发x射线产生，而不是传统的细丝。 光电阴极被照亮，随后的电子被引导到阳极，导致X射线产生，导致X射线源的耐用性增加。 通过使用成形的多材料光电阴极，成形的多材料阳极，脉冲，波束形成，扫描，变化的X射线特征，源的寿命和本领域当前不可用的其它期望属性是可实现的， 光线阵列等，作为一些例子。 可以使用廉价的高度可控的源，例如固态激光器，允许各种应用和功率水平。

公开(公告)号：US20120194057A1

公开(公告)日：2012-08-02

申请号：US13380741

申请日：2010-02-23

Applicant: Ryouichi Suzuki ,  Yoshihisa Ishiguro ,  Masanori Haba

Inventor： Ryouichi Suzuki ,  Yoshihisa Ishiguro ,  Masanori Haba

IPC: H01J1/14

CPC classification number: H01J35/065 ,  H01J2201/30469 ,  H01J2235/068

Abstract: Provided are an electron emitting body having a high electron beam density and an X-ray emitting device embedding the electron emitting body. The electron emitting body has a substrate, the surface of which forms a concave surface, and a carbon film comprising a large number of projections made of carbon and expanded two-dimensionally. The carbon crystal grows such that first a swell portion (22) gradually becomes larger and then a needle-like portion (23) grows from the head of the swell portion (22). The needle-like portion (23) has a graphene sheet obliquely wound therearound in a multi-layer fashion and has a hollow inside. The axis of a carbon projection (21) thus formed is substantially orthogonal to a line tangent to the concave surface (11), so that the axes of a plurality of the carbon projections (21) intersect with each other at the focal point (F) of the concave surface (11).

Abstract translation: 提供具有高电子束密度的电子发射体和嵌入电子发射体的X射线发射装置。 电子发射体具有其表面形成凹面的基板和由碳制成的多个突起二维膨胀的碳膜。 碳晶体生长成使得首先使隆起部分（22）逐渐变大，然后从该隆起部分（22）的头部开始形成针状部分（23）。 针状部（23）具有以多层方式倾斜缠绕的石墨烯片，在其内部具有中空。 这样形成的碳突起（21）的轴线基本上垂直于与凹面（11）相切的线，使得多个碳突起（21）的轴线在焦点（F）处彼此相交 ）的凹面（11）。

公开(公告)号：US20120140895A1

公开(公告)日：2012-06-07

申请号：US13370478

申请日：2012-02-10

Applicant: Masahiko Okunuki ,  Osamu Tsujii ,  Takeo Tsukamoto

Inventor： Masahiko Okunuki ,  Osamu Tsujii ,  Takeo Tsukamoto

IPC: H01J35/16

CPC classification number: H01J35/065 ,  H01J35/08 ,  H01J35/16 ,  H01J35/18 ,  H01J2235/062 ,  H01J2235/068 ,  H01J2235/087 ,  H01J2235/166 ,  H01J2235/168

Abstract: A compact apparatus can form multi-X-ray beams with good controllability. Electron beams (e) emitted from electron emission elements (15) of a multi-electron beam generating unit (12) receive the lens effect of a lens electrode (19). The resultant electron beams are accelerated to the final potential level by portions of a transmission-type target portion (13) of an anode electrode (20). The multi-X-ray beams (x) generated by the transmission-type target portion (13) pass through an X-ray shielding plate (23) and X-ray extraction portions (24) in a vacuum chamber and are extracted from the X-ray extraction windows (27) of a wall portion (25) into the atmosphere.

Abstract translation: 紧凑的装置可以形成具有良好可控性的多X射线束。 从多电子束产生单元（12）的电子发射元件（15）发射的电子束（e）接收透镜电极（19）的透镜效应。 通过阳极电极（20）的透射型目标部分（13）的部分将所得的电子束加速到最终的电位。 由透射型目标部分（13）产生的多个X射线束（x）通过真空室中的X射线屏蔽板（23）和X射线提取部分（24），并从 壁部分（25）的X射线提取窗口（27）进入大气。

公开(公告)号：US08143774B2

公开(公告)日：2012-03-27

申请号：US11988504

申请日：2006-07-06

Applicant: Qiu-Hong Hu

Inventor： Qiu-Hong Hu

IPC: H01J1/00

CPC classification number: H01J9/025 ,  H01J1/304 ,  H01J35/065 ,  H01J63/02 ,  H01J2235/062

Abstract: According to example embodiments, a method for manufacturing a field emission cathode includes providing a liquid compound comprising a liquid phenolic resin and at least one of a metal salt and a metal oxide arranging a conductive cathode support in a vicinity of the liquid compound, and heating the liquid compound. Heating the liquid compound transforms the liquid compound into a solid compound foam.

Abstract translation: 根据示例性实施例，一种用于制造场致发射阴极的方法包括提供液体化合物，其包含液体酚醛树脂和在液体化合物附近布置导电阴极支撑体的金属盐和金属氧化物中的至少一种，以及加热 液体化合物。 加热液体化合物将液体化合物转化为固体复合泡沫。

公开(公告)号：US20110255664A1

公开(公告)日：2011-10-20

申请号：US13053002

申请日：2011-03-21

Applicant: Kazuyuki Ueda ,  Osamu Tsujii ,  Takao Ogura ,  Ichiro Nomura

Inventor： Kazuyuki Ueda ,  Osamu Tsujii ,  Takao Ogura ,  Ichiro Nomura

IPC: G01N23/04 ,  H01J35/00

CPC classification number: H01J35/065 ,  H01J35/08 ,  H01J35/16 ,  H01J35/18 ,  H01J35/20 ,  H01J2235/062 ,  H01J2235/068 ,  H01J2235/087 ,  H01J2235/163 ,  H01J2235/186 ,  H01J2235/205

Abstract: An X-ray source includes an electron-beam generating unit that generates an electron beam, and a transmission type target electrode to be irradiated with the electron beam to generate X-ray radiation. A plurality of convex portions each having an inclined surface with respect to an incident direction of the electron beam is formed on a surface of the transmission type target electrode.

Abstract translation: X射线源包括产生电子束的电子束产生单元和用电子束照射以产生X射线辐射的透射型靶标电极。 在透射型目标电极的表面上形成有多个相对于电子束的入射方向具有倾斜面的凸部。

公开(公告)号：US20110188634A1

公开(公告)日：2011-08-04

申请号：US12700090

申请日：2010-02-04

Applicant: Pu-Jen LEE ,  Wen-How LAN

Inventor： Pu-Jen LEE ,  Wen-How LAN

IPC: H01J35/06 ,  H01J35/30 ,  H01J35/14

CPC classification number: H01J1/304 ,  H01J35/065 ,  H01J35/14 ,  H01J2235/062 ,  H01J2235/068

Abstract: An x-ray generation device and a cathode thereof are provided. The x-ray generation device comprises the cathode, a focusing device, an anode target, and a glass container. The cathode comprises a container and an electron beam generator. The container has a base and a side wall surrounding the base, and both of them define a trench. The electron beam generator comprises at least one metal unit, each of the at least one metal unit is chemical-vapor-deposited a carbon layer, and each of the at least one metal unit is disposed on a bottom of the trench. The at least one metal unit is electrically connected to an outer metal unit of the x-ray generation device. The glass container contains the cathode, the focusing device, and the anode target in sequence. Each of the at least one carbon layer faces the anode target. The glass container has a valve for evacuating and a window for emitting an x-ray.

Abstract translation: 提供了X射线产生装置及其阴极。 x射线产生装置包括阴极，聚焦装置，阳极靶和玻璃容器。 阴极包括容器和电子束发生器。 容器具有基部和围绕基部的侧壁，并且它们都限定沟槽。 电子束发生器包括至少一个金属单元，所述至少一个金属单元中的每个金属单元被化学气相沉积碳层，并且所述至少一个金属单元中的每一个设置在所述沟槽的底部。 所述至少一个金属单元电连接到所述x射线产生装置的外部金属单元。 玻璃容器依次包含阴极，聚焦装置和阳极靶。 至少一个碳层中的每一个面向阳极靶。 玻璃容器具有用于抽真空的阀和用于发射x射线的窗口。

公开(公告)号：US07965818B2

公开(公告)日：2011-06-21

申请号：US12337290

申请日：2008-12-17

Applicant: Ali Jaafar ,  Victor I. Chornenky

Inventor： Ali Jaafar ,  Victor I. Chornenky

IPC: H01J35/02 ,  H01J35/06 ,  H01J35/14

CPC classification number: H01J35/065 ,  H01J35/32

Abstract: Disclosed herein is an x-ray field emission apparatus, system and method, the apparatus having a hollow probe held at vacuum; a cathode enclosed within the probe, the cathode producing an electron stream when connected to a high negative potential; an anode enclosed within the probe and separated from the cathode by a gap, said the providing a target for the electron stream; and a shield assembly comprising a hollow shield electrode positioned within the probe and about the cathode.

Abstract translation: 本文公开了一种x射线场发射装置，系统和方法，该装置具有保持在真空下的中空探针; 封装在探针内的阴极，阴极在连接到高负电位时产生电子流; 阳极包围在探针内并与阴极隔开间隙，所述提供电子流的靶; 以及屏蔽组件，其包括位于探针内并围绕阴极的中空屏蔽电极。

公开(公告)号：US07889844B2

公开(公告)日：2011-02-15

申请号：US12875745

申请日：2010-09-03

Applicant: Masahiko Okunuki ,  Osamu Tsujii ,  Takeo Tsukamoto

Inventor： Masahiko Okunuki ,  Osamu Tsujii ,  Takeo Tsukamoto

IPC: H01J35/00

CPC classification number: H01J35/065 ,  H01J35/08 ,  H01J35/16 ,  H01J35/18 ,  H01J2235/062 ,  H01J2235/068 ,  H01J2235/087 ,  H01J2235/166 ,  H01J2235/168

Abstract: A compact apparatus can form multi X-ray beams with good controllability. Electron beams (e) emitted from electron emission elements (15) of a multi electron beam generating unit (12) receive the lens effect of a lens electrode (19). The resultant electron beams are accelerated to the final potential level by portions of a transmission-type target portion (13) of an anode electrode (20). The multi X-ray beams (x) generated by the transmission-type target portion (13) pass through an X-ray shielding plate (23) and X-ray extraction portions (24) in a vacuum chamber and are extracted from the X-ray extraction windows (27) of a wall portion (25) into the atmosphere.

Abstract translation: 紧凑的装置可以形成具有良好可控性的多个X射线束。 从多电子束产生单元（12）的电子发射元件（15）发射的电子束（e）接收透镜电极（19）的透镜效应。 通过阳极电极（20）的透射型目标部分（13）的部分将所得的电子束加速到最终的电位。 由透射型目标部分（13）产生的多个X射线束（x）穿过真空室中的X射线屏蔽板（23）和X射线提取部分（24），并从X 将壁部分（25）的射线提取窗口（27）进入大气。

公开(公告)号：US07816853B2

公开(公告)日：2010-10-19

申请号：US12188353

申请日：2008-08-08

Applicant: Joerg Freudenberger ,  Sven Fritzler ,  Manfred Fuchs ,  Detlef Mattern ,  Peter Roehrer ,  Peter Schardt

Inventor： Joerg Freudenberger ,  Sven Fritzler ,  Manfred Fuchs ,  Detlef Mattern ,  Peter Roehrer ,  Peter Schardt

IPC: H01J1/62

CPC classification number: H01J35/065 ,  H01J1/34

Abstract: A cathode has an emission layer that thermionically emits electrons upon exposure with a laser beam. The material of the emission layer has a product of density (ρ), measured in kg m 3 , heat capacity (Cp), measured in J kg ⁢ ⁢ K and heat conductivity (λ), measured in W mK that is, at room temperature, maximally 500,000 J 2 m 4 ⁢ K 2 ⁢ s . Such a cathode has an improved thermionic emission of electrons.

Abstract translation: 阴极具有在用激光束曝光时热离子发射电子的发射层。 发射层的材料具有密度（＆rgr。）的乘积，以kg m 3测量，热容量（Cp），以J kg·K K测量的热导率（λ），以W mK测量，即在 室温最大为500,000J 2 m 4 K 2 s。 这种阴极具有改进的电子的热离子发射。