公开(公告)号：US20070222358A1

公开(公告)日：2007-09-27

申请号：US11639639

申请日：2006-12-16

Applicant: Chris M. Shonka ,  James R. Kahn ,  Harold R. Kaufman

Inventor： Chris M. Shonka ,  James R. Kahn ,  Harold R. Kaufman

IPC: H01J1/20 ,  H01J19/14

CPC classification number: H01J1/025

Abstract: In accordance with one embodiment, the hollow cathode is comprised of a first tantalum tube, tantalum foil, and a second tantalum tube. The foil is in the form of a spiral winding around the outside of the first tube and is held in place by the second tube, which surrounds the foil. One end of the second tube is approximately flush with one end of the first tube. The other end of the second tube extends to a cathode support through which the working gas flows. To start the cathode, a flow of ionizable inert gas, usually argon, is initiated through the hollow cathode and out the open end of the first tube. An electrical discharge is then started between an external electrode and the first tube. When the first tube is heated to operating temperature, electrons are emitted from the open end of the first tube.

Abstract translation: 根据一个实施例，空心阴极包括第一钽管，钽箔和第二钽管。 箔是围绕第一管的外侧的螺旋缠绕的形式，并且被包围箔的第二管保持在适当的位置。 第二管的一端大致与第一管的一端齐平。 第二管的另一端延伸到阴极支撑件，工作气体通过该支撑件流动。 为了启动阴极，可以通过空心阴极引出电离惰性气体（通常为氩气）流出第一管的开口端。 然后在外部电极和第一管之间开始放电。 当第一管被加热到工作温度时，从第一管的开口端发射电子。

公开(公告)号：US20060132017A1

公开(公告)日：2006-06-22

申请号：US11339783

申请日：2006-01-25

Applicant: Harold Kaufman ,  James Kahn

Inventor： Harold Kaufman ,  James Kahn

IPC: H01J1/20

CPC classification number: H01J1/025 ,  H01J1/52

Abstract: In accordance with one embodiment of the present invention, the hollow-cathode apparatus comprises a small-diameter tantalum tube with a plurality of tantalum-foil radiation shields, wherein the plurality of shields in turn comprise one or more spiral windings external to that tube and approximately flush with the open end from which electron emission takes place. The axial length of at least one of the inner windings (closer to the tantalum tube) is equal to or less than approximately half the length of the tantalum tube. An enclosed keeper surrounds the cathode. To start the cathode, a flow of ionizable inert gas, usually argon, is initiated through the cathode and out the open end. An electrical discharge is then started between the keeper and the hollow cathode. When heated to operating temperature, electrons exit from the open end of the hollow cathode.

Abstract translation: 根据本发明的一个实施例，中空阴极装置包括具有多个钽箔辐射屏蔽的小直径钽管，其中多个屏蔽依次包括该管外部的一个或多个螺旋绕组，以及 大致与发生电子发射的开口端齐平。 内部绕组（更靠近钽管）中的至少一个的轴向长度等于或小于钽管的长度的大约一半。 封闭的门将围绕阴极。 为了启动阴极，通过阴极引出电离惰性气体（通常为氩气）流出开口端。 然后在保持器和中空阴极之间开始放电。 当加热到工作温度时，电子从空心阴极的开口端排出。

公开(公告)号：US06916223B2

公开(公告)日：2005-07-12

申请号：US10292214

申请日：2002-11-12

Applicant: Alessandro Gallitognotta ,  Claudio Boffito ,  Alessio Corazza

Inventor： Alessandro Gallitognotta ,  Claudio Boffito ,  Alessio Corazza

IPC: H01J61/00 ,  H01J1/02 ,  H01J7/18 ,  H01J9/02 ,  H01J61/067 ,  H01J61/09 ,  H01J61/26

CPC classification number: H01J1/025 ,  H01J7/18 ,  H01J9/02 ,  H01J61/09 ,  H01J61/26

Abstract: A hollow cathode having at least a portion of the inner, outer or both surfaces coated with a layer of a getter material is described. Some methods for the production of the hollow cathode of the invention are also described, which include cathodic and electrophoretic deposition of the getter layer onto the hollow cathode.

Abstract translation: 描述了具有涂覆有吸气剂材料层的内部，外部或两个表面的至少一部分的空心阴极。 还描述了用于制造本发明的中空阴极的一些方法，其包括将吸气剂层阴极和电泳沉积到中空阴极上。

公开(公告)号：US20040160162A1

公开(公告)日：2004-08-19

申请号：US10782164

申请日：2004-02-19

Applicant: Board of Trustees of the University of Illinois

Inventor： J. Gary Eden ,  Sung-Jin Park ,  Clark J. Wagner

IPC: H01J001/62 ,  H01J063/04

CPC classification number: H01J17/49 ,  H01J1/025 ,  H01J9/00 ,  H01J9/02 ,  H01J25/50 ,  H01J61/09 ,  H01J61/305 ,  H01J61/62 ,  H01J63/04 ,  H01J65/046

Abstract: A discharge device is described that contains an anode, a cathode, and an insulating layer disposed between the anode and the cathode. A cavity is extends entirely through at least one of the anode or cathode and penetrates the dielectric layer. At least one of the anode or cathode may include a screen or the dielectric layer may have a plurality of films with at least two different dielectric constants. The voltage differences between the anode and cathode in each of multiple devices electrically connected together may be limited.

Abstract translation: 描述了包括阳极，阴极和设置在阳极和阴极之间的绝缘层的放电装置。 空腔完全延伸通过阳极或阴极中的至少一个并且穿透电介质层。 阳极或阴极中的至少一个可以包括屏幕，或者介电层可以具有多个具有至少两个不同介电常数的膜。 电连接在一起的多个装置中的每一个中的阳极和阴极之间的电压差可能受到限制。

公开(公告)号：US20030080688A1

公开(公告)日：2003-05-01

申请号：US10040300

申请日：2001-10-26

Inventor： J. Gary Eden ,  Sung-Jin Park ,  Clark J. Wagner

IPC: G09G003/10

CPC classification number: H01J17/49 ,  H01J1/025 ,  H01J9/00 ,  H01J9/02 ,  H01J25/50 ,  H01J61/09 ,  H01J61/305 ,  H01J61/62 ,  H01J63/04 ,  H01J65/046

Abstract: A discharge device is described that contains an anode, a cathode, and an insulating layer disposed between the anode and the cathode. A cavity is extends entirely through at least one of the anode or cathode and penetrates the dielectric layer. At least one of the anode or cathode may include a screen or the dielectric layer may have a plurality of films with at least two different dielectric constants. The voltage differences between the anode and cathode in each of multiple devices electrically connected together may be limited.

Abstract translation: 描述了包括阳极，阴极和设置在阳极和阴极之间的绝缘层的放电装置。 空腔完全延伸通过阳极或阴极中的至少一个并且穿透电介质层。 阳极或阴极中的至少一个可以包括屏幕，或者介电层可以具有多个具有至少两个不同介电常数的膜。 电连接在一起的多个装置中的每一个中的阳极和阴极之间的电压差可能受到限制。

公开(公告)号：US06518692B2

公开(公告)日：2003-02-11

申请号：US09999109

申请日：2001-10-31

Applicant: Karl H. Schoenbach ,  Wojciech W. Byszewski ,  Frank E. Peterkin ,  Amin N. Dharami

Inventor： Karl H. Schoenbach ,  Wojciech W. Byszewski ,  Frank E. Peterkin ,  Amin N. Dharami

IPC: H01J6106

CPC classification number: H01J3/025 ,  H01J1/025 ,  H01J3/04 ,  H01J17/04 ,  H01J17/06 ,  H01J27/08 ,  H01J61/067 ,  H01J61/09 ,  H01J61/12 ,  H01J61/305 ,  H01J61/66 ,  H01J61/72 ,  H01J61/78 ,  H01S3/03 ,  H01S3/0382 ,  H01S3/0385 ,  H01S3/2383

Abstract: A discharge device for operation in a gas at a prescribed pressure includes a cathode having a plurality of micro hollows therein, and an anode spaced from the cathode. Each of the micro hollows has dimensions selected to produce a micro hollow discharge at the prescribed pressure. Preferably, each of the micro hollows has a cross-sectional dimension that is on the order of the mean free path of electrons in the gas. Electrical energy is coupled to the cathode and the anode at a voltage and current for producing micro hollow discharges in each of the micro hollows in the cathode. The discharge device may include a discharge chamber for maintaining the prescribed pressure. A dielectric layer may be disposed on the cathode when the spacing between the cathode and the anode is greater than about the mean free path of electrons in the gas. Applications of the discharge device include fluorescent lamps, excimer lamps, flat fluorescent light sources, miniature gas lasers, electron sources and ion sources.

公开(公告)号：US06417607B1

公开(公告)日：2002-07-09

申请号：US09180339

申请日：1998-11-05

Applicant: Marcus Thielen

Inventor： Marcus Thielen

IPC: H01J1914

CPC classification number: H01J9/022 ,  H01J1/025 ,  H01J61/0672 ,  H01J61/0677 ,  H01J61/09

Abstract: Cold electrodes for gas discharges have an electrically conductive carrier material on which an emission coating is disposed. The photoelectric output work of the material of the emission coating is less than that of the carrier material or less than 5.6*10-19 joule/electron. The emission coating can, in particular, contain yttrium. The electrode preferably has the form of a hollow body and can be embedded in a glass body.

Abstract translation: 用于气体放电的冷电极具有导电载体材料，在其上设置发射涂层。 发射涂层材料的光电输出功率小于载体材料的光电输出功率或小于5.6 * 10-19焦耳/电子。 排放涂层尤其可以含有钇。 电极优选具有中空体的形式，并且可以嵌入玻璃体中。

公开(公告)号：US6084337A

公开(公告)日：2000-07-04

申请号：US118906

申请日：1998-07-20

Applicant: Geoffrey Beardmore

Inventor： Geoffrey Beardmore

IPC: H01J61/067 ,  H01J1/02 ,  H01J61/09 ,  H01K1/18

CPC classification number: H01J61/09 ,  H01J1/025

Abstract: A gas discharge lamp has a tubular envelope containing tubular electrodes at opposite ends. An annular support member of a compressible ceramic fiber is supported in a groove around each electrode and is compressed against the inside surface of the envelope. Movement of the electrodes relative to the envelope is damped by the support member.

Abstract translation: 气体放电灯具有在相对端包含管状电极的管状外壳。 可压缩陶瓷纤维的环形支撑构件被支撑在每个电极周围的凹槽中并被压靠在外壳的内表面上。 电极相对于外壳的移动被支撑构件阻尼。

公开(公告)号：US5686789A

公开(公告)日：1997-11-11

申请号：US403477

申请日：1995-03-14

Applicant: Karl H. Schoenbach ,  Wojciech W. Byszewski ,  Frank E. Peterkin ,  Amin N. Dharamsi

Inventor： Karl H. Schoenbach ,  Wojciech W. Byszewski ,  Frank E. Peterkin ,  Amin N. Dharamsi

IPC: H01J1/02 ,  H01J1/62 ,  H01J27/26 ,  H01J61/06 ,  H01J61/067 ,  H01J61/09 ,  H01J61/12 ,  H01J61/20 ,  H01J61/66 ,  H01J61/72 ,  H01S3/038

CPC classification number: H01J3/025 ,  H01J1/025 ,  H01J17/04 ,  H01J17/06 ,  H01J27/08 ,  H01J3/04 ,  H01J61/067 ,  H01J61/09 ,  H01J61/12 ,  H01J61/305 ,  H01J61/66 ,  H01J61/72 ,  H01S3/0385 ,  H01J61/78 ,  H01S3/03 ,  H01S3/0382 ,  H01S3/2383

Abstract: A discharge device for operation in a gas at a prescribed pressure includes a cathode having a plurality of micro hollows therein, and an anode spaced from the cathode. Each of the micro hollows has dimensions selected to produce a micro hollow discharge at the prescribed pressure. Preferably, each of the micro hollows has a cross-sectional dimension that is on the order of the mean free path of electrons in the gas. Electrical energy is coupled to the cathode and the anode at a voltage and current for producing micro hollow discharges in each of the micro hollows in the cathode. The discharge device may include a discharge chamber for maintaining the prescribed pressure. A dielectric layer may be disposed on the cathode when the spacing between the cathode and the anode is greater than about the mean free path of electrons in the gas. Applications of the discharge device include fluorescent lamps, excimer lamps, flat fluorescent light sources, miniature gas lasers, electron sources and ion sources.

Abstract translation: 用于在规定压力下操作气体的放电装置包括其中具有多个微型空腔的​​阴极和与阴极间隔开的阳极。 每个微型空腔具有选定的尺寸以在规定的压力下产生微细的中空排出。 优选地，每个微型空腔的​​横截面尺寸都是气体中电子的平均自由程的数量级。 电能以负极和电流耦合到阴极和阳极，用于在阴极中的每个微型空腔中产生微空心放电。 排出装置可以包括用于维持规定压力的排出室。 当阴极和阳极之间的间隔大于气体中电子的平均自由程时，电介质层可以设置在阴极上。 放电装置的应用包括荧光灯，准分子灯，平面荧光光源，微型气体激光器，电子源和离子源。

公开(公告)号：US5444332A

公开(公告)日：1995-08-22

申请号：US133400

申请日：1993-10-08

Applicant: Jim J. Chang ,  Terry W. Alger

Inventor： Jim J. Chang ,  Terry W. Alger

IPC: H01J1/02 ,  H01S3/038 ,  H01J1/30

CPC classification number: H01J1/025 ,  H01S3/0385 ,  H01S3/0382

Abstract: Several different cold cathode configurations for a gas discharge device each having a plurality of grooves of selected spacing, depth and width to improve the emission of electrons in a gas discharge device. Each of the cold cathode configurations can be machined from a single piece of a selected material. Several of the configurations can be assembled with individual elements which is easily seen from the various figures.

Abstract translation: 用于气体放电装置的几种不同的冷阴极构造，每个具有选定间隔，深度和宽度的多个槽，以改善气体放电装置中的电子的发射。 每个冷阴极构造都可以从单片选定材料加工。 可以使用从各图中容易看出的各个元件来组装几个配置。