公开(公告)号：US09666401B2

公开(公告)日：2017-05-30

申请号：US14929792

申请日：2015-11-02

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： So Ra Park ,  Yoon Ho Song ,  Jin Woo Jeong ,  Jae Woo Kim ,  Min Sik Shin

IPC: H01J21/10 ,  H01J3/02 ,  H01J29/46 ,  H01J19/24

CPC classification number: H01J3/021 ,  H01J29/46 ,  H01J29/467 ,  H01J2203/0216 ,  H01J2203/0232

Abstract: The present disclosure may provide a field emission device with an enhanced beam convergence. For this, the device may include a gate structure disposed between a cathode electrode and an anode electrode, wherein the gate structure includes a gate electrode and an atomic layer sheet disposed on the gate electrode, the gate electrode facing an emitter and having at least one aperture formed therein.

公开(公告)号：US09646798B2

公开(公告)日：2017-05-09

申请号：US13612129

申请日：2012-09-12

Applicant: Roderick A. Hyde ,  Jordin T. Kare ,  Nathan P. Myhrvold ,  Tony S. Pan ,  Lowell L. Wood, Jr.

Inventor： Roderick A. Hyde ,  Jordin T. Kare ,  Nathan P. Myhrvold ,  Tony S. Pan ,  Lowell L. Wood, Jr.

IPC: H01J3/02

CPC classification number: H01J3/021 ,  H01J2203/0232 ,  Y10T29/49204

Abstract: A device includes an anode, a cathode, and a grid configured to modulate a flow of electrons from the cathode to anode. The grid is made of graphene material which is substantially transparent to the flow of electrons.

公开(公告)号：US09305738B2

公开(公告)日：2016-04-05

申请号：US14749583

申请日：2015-06-24

Applicant: Tsinghua University ,  HON HAI PRECISION INDUSTRY CO., LTD.

Inventor： Peng Liu ,  Pi-Jin Chen ,  Duan-Liang Zhou ,  Chun-Hai Zhang ,  Shou-Shan Fan

IPC: H01J1/62 ,  H01J25/22 ,  H01J23/08

CPC classification number: H01J25/22 ,  H01J1/304 ,  H01J3/021 ,  H01J23/04 ,  H01J23/06 ,  H01J2201/30469

Abstract: An electron emission device includes an anode, a cathode, an electron emitter structure, and an electron extraction electrode. The cathode is spaced from the anode. The electron emitter structure is electrically connected to the cathode. The electron extraction electrode is insulated from the cathode. The electron extraction electrode defines a through hole surrounded by a sidewall, and the electron emitter structure faces to the sidewall. The electron emitter structure includes a number of electron emitters extending toward the sidewall, each of the number of electron emitters includes an electron emission terminal, a first distance between each electron emission terminal and the sidewall is substantially the same, a second distance between the electron emission terminal and the anode is greater than or equal to 10 micrometers and smaller than or equal to 200 micrometers, and a pressure in the electron emission device is smaller than or equal to 100 Pascal.

Abstract translation: 电子发射装置包括阳极，阴极，电子发射体结构和电子提取电极。 阴极与阳极间隔开。 电子发射体结构与阴极电连接。 电子提取电极与阴极绝缘。 电子提取电极限定由侧壁包围的通孔，并且电子发射体结构面向侧壁。 电子发射器结构包括朝向侧壁延伸的多个电子发射体，多个电子发射器中的每一个包括电子发射端子，每个电子发射端子和侧壁之间的第一距离基本相同，电子之间的第二距离 发射端子和阳极大于或等于10微米且小于或等于200微米，并且电子发射器件中的压力小于或等于100帕斯卡。

公开(公告)号：US09251988B1

公开(公告)日：2016-02-02

申请号：US14753387

申请日：2015-06-29

Applicant: Tsinghua University ,  HON HAI PRECISION INDUSTRY CO., LTD.

Inventor： Bing-Chu Du ,  Peng Liu ,  Duan-Liang Zhou ,  Chun-Hai Zhang ,  Shou-Shan Fan

IPC: H01J9/02 ,  H01J1/304 ,  H01J19/24 ,  B82Y99/00

CPC classification number: H01J1/304 ,  B82Y10/00 ,  B82Y30/00 ,  H01J3/021 ,  H01J9/025 ,  H01J2201/30469 ,  H01J2203/0272 ,  H01J2203/028 ,  H01J2203/0284 ,  H01J2203/0288 ,  Y10S977/742 ,  Y10S977/939

Abstract: The disclosure relates to a field emission cathode. The field emission cathode includes a microchannel plate, a cathode electrode and a number of cathode emitters. The microchannel plate is an insulative plate and includes a first surface and a second surface opposite to the first surface. The microchannel plate defines a number of holes extending through the microchannel plate from the first surface to the second surface. The cathode electrode is located on the first surface. The number of cathode emitters are filled in the number of holes and electrically connected with the cathode electrode.

Abstract translation: 本发明涉及场致发射阴极。 场发射阴极包括微通道板，阴极电极和多个阴极发射体。 微通道板是绝缘板，包括第一表面和与第一表面相对的第二表面。 微通道板限定了从第一表面到第二表面延伸通过微通道板的许多孔。 阴极位于第一表面。 阴极发射体的数量填充有孔数并与阴极电连接。

公开(公告)号：US20150380199A1

公开(公告)日：2015-12-31

申请号：US14749583

申请日：2015-06-24

Applicant: TSINGHUA UNIVERSITY ,  HON HAI PRECISION INDUSTRY CO., LTD.

Inventor： PENG LIU ,  PI-JIN CHEN ,  DUAN-LIANG ZHOU ,  CHUN-HAI ZHANG ,  SHOU-SHAN FAN

IPC: H01J25/22 ,  H01J23/08

CPC classification number: H01J25/22 ,  H01J1/304 ,  H01J3/021 ,  H01J23/04 ,  H01J23/06 ,  H01J2201/30469

Abstract: An electron emission device includes an anode, a cathode, an electron emitter structure, and an electron extraction electrode. The cathode is spaced from the anode. The electron emitter structure is electrically connected to the cathode. The electron extraction electrode is insulated from the cathode. The electron extraction electrode defines a through hole surrounded by a sidewall, and the electron emitter structure faces to the sidewall. The electron emitter structure includes a number of electron emitters extending toward the sidewall, each of the number of electron emitters includes an electron emission terminal, a first distance between each electron emission terminal and the sidewall is substantially the same, a second distance between the electron emission terminal and the anode is greater than or equal to 10 micrometers and smaller than or equal to 200 micrometers, and a pressure in the electron emission device is smaller than or equal to 100 Pascal.

Abstract translation: 电子发射装置包括阳极，阴极，电子发射体结构和电子提取电极。 阴极与阳极间隔开。 电子发射体结构与阴极电连接。 电子提取电极与阴极绝缘。 电子提取电极限定由侧壁包围的通孔，并且电子发射体结构面向侧壁。 电子发射器结构包括朝向侧壁延伸的多个电子发射体，多个电子发射器中的每一个包括电子发射端子，每个电子发射端子和侧壁之间的第一距离基本相同，电子之间的第二距离 发射端子和阳极大于或等于10微米且小于或等于200微米，并且电子发射器件中的压力小于或等于100帕斯卡。

公开(公告)号：US09224570B2

公开(公告)日：2015-12-29

申请号：US13896459

申请日：2013-05-17

Applicant: Brookhaven Science Associates, LLC

Inventor： Triveni Rao ,  John Walsh ,  Elizabeth Gangone

IPC: H01J9/12 ,  H01J29/02 ,  H01J29/48 ,  H01J3/02 ,  H01J5/26 ,  H01J9/26

CPC classification number: H01J29/023 ,  H01J3/021 ,  H01J5/26 ,  H01J9/125 ,  H01J9/26 ,  H01J29/485 ,  Y10T29/41

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 high-temperature solder weld disposed between the diamond window element and the annular insulating spacer and a second high-temperature solder weld disposed between the annular insulating spacer and the cathode element. The cathode capsule is formed by a high temperature weld process under vacuum such that the first solder weld forms a hermetical seal between the diamond window element and the annular insulating spacer and the second solder weld forms a hermetical seal between the annular spacer and the cathode 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一次电子发射二次电子，布置在金刚石窗口元件和环形绝缘间隔物之间​​的第一高温焊料焊接点和设置在金刚石窗口元件之间的第二高温焊料焊点 绝缘垫片和阴极元件。 阴极胶囊通过在真空下的高温焊接工艺形成，使得第一焊接焊缝在金刚石窗口元件和环形绝缘间隔件之间形成密封，并且第二焊接焊缝在环形间隔件和阴极元件之间形成气密密封 由此在胶囊内形成真空密封室。

公开(公告)号：US20150179386A1

公开(公告)日：2015-06-25

申请号：US14539571

申请日：2014-11-12

Applicant: Elwha LLC

Inventor： Roderick A. Hyde ,  Jordin T. Kare ,  Tony S. Pan ,  Lowell L. Wood, JR.

IPC: H01J29/46 ,  H01J1/48

CPC classification number: H01J29/46 ,  H01J1/48 ,  H01J3/021 ,  H01J45/00 ,  H01J2203/0232

Abstract: A field emission device is configured with a grid that includes nanotubes or nanowires. In one embodiment a cathode, an anode, and a nanotube or nanowire grid are responsive to inputs to produce a potential barrier between the grid and at least one of the cathode and the anode such that a set of electrons from the cathode can tunnel through the potential barrier to produce a net current at the anode.

Abstract translation: 场发射器件配置有包括纳米管或纳米线的栅格。 在一个实施例中，阴极，阳极和纳米管或纳米线栅格响应于输入以在栅极和阴极和阳极中的至少一个之间产生电势势垒，使得来自阴极的一组电子能够穿过 在阳极产生净电流的势垒。

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：US08662951B1

公开(公告)日：2014-03-04

申请号：US13718609

申请日：2012-12-18

Applicant: Tsinghua University ,  Hon Hai Precision Industry Co., Ltd.

Inventor： Cai-Lin Guo ,  Jie Tang ,  Peng Liu ,  Shou-Shan Fan

IPC: H01J19/24

CPC classification number: H01J1/304 ,  H01J3/021 ,  H01J9/025 ,  H01J2201/30469 ,  H01J2203/0212

Abstract: A method for making field emission electron source array includes following steps. An insulating layer is coated on outer surface of a linear carbon nanotube structure. A field emission electron source preform is formed by locating a plurality of conductive rings on outer surface of the insulating layer, wherein the plurality of conductive rings is space from each other, and each conductive ring comprises a first ring face and a second ring face opposite to the first ring face. A field emission electron source array preform is formed by aligning a plurality of field emission electron source performs side by side. The field emission electron source array preform is severed to form a plurality of field emission electron arrays by cutting the plurality of conductive rings.

Abstract translation: 制作场致发射电子源阵列的方法包括以下步骤。 绝缘层涂覆在线性碳纳米管结构的外表面上。 通过在绝缘层的外表面上定位多个导电环来形成场致发射电子源预制件，其中多个导电环彼此间隔开，并且每个导电环包括第一环面和相对的第二环面 到第一个戒指面。 场致发射电子源阵列预制棒是通过对齐多个场致发射电子源来并行地形成的。 通过切割多个导电环来切断场发射电子源阵列预制件以形成多个场发射电子阵列。

公开(公告)号：US20130320295A1

公开(公告)日：2013-12-05

申请号：US13896459

申请日：2013-05-17

Applicant: Brookhaven Science Associates, LLC

Inventor： Triveni Rao ,  John Walsh ,  Elizabeth Gangone

IPC: H01J29/02 ,  H01J9/12

CPC classification number: H01J29/023 ,  H01J3/021 ,  H01J5/26 ,  H01J9/125 ,  H01J9/26 ,  H01J29/485 ,  Y10T29/41

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 high-temperature solder weld disposed between the diamond window element and the annular insulating spacer and a second high-temperature solder weld disposed between the annular insulating spacer and the cathode element. The cathode capsule is formed by a high temperature weld process under vacuum such that the first solder weld forms a hermetical seal between the diamond window element and the annular insulating spacer and the second solder weld forms a hermetical seal between the annular spacer and the cathode 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一次电子发射二次电子，布置在金刚石窗口元件和环形绝缘间隔物之间​​的第一高温焊料焊接点和设置在金刚石窗口元件之间的第二高温焊料焊点 绝缘垫片和阴极元件。 阴极胶囊通过在真空下的高温焊接工艺形成，使得第一焊接焊缝在金刚石窗口元件和环形绝缘间隔件之间形成气密密封，并且第二焊接焊缝在环形间隔件和阴极元件之间形成气密密封 由此在胶囊内形成真空密封室。