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1. 发明申请

US20230103140A1 Dielectric Coated Plasmonic Photoemitter 有权
公开(公告)号：US20230103140A1
公开(公告)日：2023-03-30
申请号：US17749360
申请日：2022-05-20
申请人： BOARD OF TRUSTEES OF MICHIGAN STATE UNIVERSITY
发明人： Peng ZHANG , Lin WU , Xiao XIONG , Yang ZHOU
IPC分类号： H01J1/34 , H01J37/26 , H01J25/34 , H05H15/00 , H01J23/04 , H01J37/073 , H05H7/02 , H05H9/00 , H05H7/22
摘要： A dielectric coated plasmonic photoemitter is provided. An aspect of the present photonic apparatus includes a conductive photoemitter including a dielectric material coating or layered on a metallic core. The dielectric material being configured to enhance a local optical field strength and current density of the photoemitter as compared to a bare photoemitter without the dielectric layer. The dielectric layered photoemitter being tunable to transmit photoemissions from corners thereof with different photonic characteristics depending on a laser wavelength pulse received.

2. 发明申请

US20220246381A1 TRAVELLING-WAVE TUBE 有权
公开(公告)号：US20220246381A1
公开(公告)日：2022-08-04
申请号：US17583046
申请日：2022-01-24
申请人： THALES
发明人： Frédéric ANDRE
IPC分类号： H01J23/12 , H01J25/34 , H01J23/027 , H04B7/185
摘要： A travelling-wave tube comprising a helix joined by posts to a vacuum chamber, each post made of electrically insulating material being covered by an electrically conductive material, of electrical conductivity comprised between 1000 and 100000 S·m−1, over a portion of the post extending from the end of the post joined to the helix to the end of the post joined to the vacuum chamber and corresponding to a height comprised between 10% and 50% of the post.

3. 发明申请

US20210335567A1 ARRANGEMENT OF CONDUCTION-COOLED TRAVELLING WAVE TUBES AND METHOD FOR MANUFACTURING AN ARRANGEMENT 有权
公开(公告)号：US20210335567A1
公开(公告)日：2021-10-28
申请号：US17271658
申请日：2019-08-21
申请人： Thales Deutschland GmbH Electron Devices
发明人： Christof DIETRICH , Stefan BRUNNER
IPC分类号： H01J23/00 , H01J25/34
摘要： An arrangement of conduction-cooled travelling wave tubes includes multiple travelling wave tubes mounted on a common base, wherein the travelling wave tubes are thermally connected to the base so that during operation of the travelling wave tubes the base forms a heat sink for the travelling wave tubes, and the base is designed to accommodate multiple travelling wave tubes in terms of their dimensions along their beam axes so as to increase the number of travelling wave tubes per surface area unit of the base.

4. 发明申请

US20200162045A1 HIGH-FREQUENCY MODULE WITH CONNECTION INTERFACE 审中-公开
公开(公告)号：US20200162045A1
公开(公告)日：2020-05-21
申请号：US16555691
申请日：2019-08-29
申请人： Tesat-Spacecom GmbH & Co. KG
发明人： Christian Arnold , Tobias Janocha , Ulrich Mahr , Benjamin Falk
IPC分类号： H03F3/58 , H03F3/189 , H03F3/21 , H01J25/34 , H04B7/185
摘要： A high-frequency module can be used in communication satellites. The high-frequency module contains an electronic unit and a housing. The housing at least partially encloses the electronic unit, and the electronic unit is arranged at least partially in an interior space of the housing. An internal connector is arranged on the housing, which is coupled to the electronic unit such that electrical signals can be transmitted between the electronic unit and the internal connector. The internal connector is constructed integrally with at least a part of the housing. This allows a thermo-mechanical stress on the electronic unit to be reduced.

5. 发明授权

US10062538B2 Electron device and method for manufacturing an electron device 有权
公开(公告)号：US10062538B2
公开(公告)日：2018-08-28
申请号：US14876191
申请日：2015-10-06
申请人： Nanyang Technological University
发明人： Sheel Aditya , Zhao Chen
IPC分类号： H01J25/34 , H01J23/26 , H01J23/28
CPC分类号： H01J25/34 , H01J23/26 , H01J23/28
摘要： According to embodiments of the present invention, an electron device is provided. The electron device includes a support substrate, a conductive planar slow-wave structure on the support substrate, the conductive planar slow-wave structure being adapted to receive an electromagnetic wave signal for interaction with an electron beam, and a dielectric layer arrangement in between the conductive planar slow-wave structure and the support substrate, the dielectric layer arrangement being arranged on the support substrate at only one or more support substrate portions overlapping with the conductive planar slow-wave structure. According to further embodiments of the present invention, a method for manufacturing an electron device is also provided.

6. 发明授权

US09819320B1 Coaxial amplifier device 有权
公开(公告)号：US09819320B1
公开(公告)日：2017-11-14
申请号：US15414535
申请日：2017-01-24
申请人： Brad W. Hoff , David M. French
发明人： Brad W. Hoff , David M. French
IPC分类号： H03F1/00 , H03F3/58 , H01J25/34 , H01J23/04 , H01J23/06 , H01J23/24
CPC分类号： H03F3/58 , H01J23/04 , H01J23/06 , H01J23/24 , H01J25/34
摘要： A coaxial amplifier having at least one electron beam is provided. The amplifier may include a conductive rod, a plurality of parallel discs on the rod, a cathode array for producing at least one electron beam. When a plurality of electron beams are formed they are arranged in an annular configuration around said rod and disks, and directed along said rod and coaxially thereof. A first waveguide may apply electromagnetic wave energy to one end of said disc and rod assembly to induce propagation of said energy along said assembly. A second waveguide may extract the amplified electromagnetic energy from the other end of the disc and rod assembly.

7. 发明授权

US09038960B2 Absorbent dome for a radiating collector tube 有权
标题翻译：用于辐射收集管的吸收性圆顶
公开(公告)号：US09038960B2
公开(公告)日：2015-05-26
申请号：US13214527
申请日：2011-08-22
申请人： Christian Flemin , Andrew Walker
发明人： Christian Flemin , Andrew Walker
IPC分类号： B64G1/58 , B64G1/50 , H01J23/033 , H01J25/34
CPC分类号： B64G1/50 , B64G1/503 , B64G1/58 , H01J23/033 , H01J25/34
摘要： A device for thermal monitoring a piece of equipment, which is integrated on a craft placed in a forced vacuum environment, an outside part of the equipment projecting outside of a wall of the craft and being subjected to a solar radiation flux, includes an absorbent screen that is suitable for being placed between the outside part of the equipment and the wall of the craft, whereby this absorbent screen has—on at least one portion of its front face, designed to be placed on the side removed from the wall of the craft—an absorptivity αSOLAR that is the largest possible in the field of solar radiation, coupled to a low emissivity εIR in the infrared spectrum. The absorbent screen is made of a very heat-conductive material and has—on at least a portion of its rear face, suitable for being oriented toward the wall of the craft—a high emissivity εIR in the infrared spectrum, typically greater than or equal to 0.7.
摘要翻译：一种用于热监测集成在放置在强制真空环境中的工艺的设备上的设备，突出在工艺壁的外部并经受太阳辐射通量的设备的外部包括吸收屏幕适于放置在设备的外部部分和工艺的壁之间，由此该吸收性筛网具有至少其前表面的至少一部分，设计成放置在从工艺的壁上移除的一侧 - 在太阳辐射领域最大可能的吸收率αSOLAR，与红外光谱中的低发射率和红外光耦合。吸收性筛网由非常导热的材料制成，并且在其后表面的至少一部分上，适于朝向工艺的壁定向 - 红外光谱中的高发射率和红外光谱，通常大于或等于0.7。

8. 发明授权

US09006971B2 Planar helix slow-wave structure with straight-edge connections 有权
标题翻译：具有直边连接的平面螺旋慢波结构
公开(公告)号：US09006971B2
公开(公告)日：2015-04-14
申请号：US13261370
申请日：2010-04-14
申请人： Ciersiang Chua , Sheel Aditya , Zhongxiang Shen
发明人： Ciersiang Chua , Sheel Aditya , Zhongxiang Shen
IPC分类号： H01J25/34 , H01J23/24
CPC分类号： H01J25/34 , H01J23/24
摘要： A planar helix slow-wave structure with straight edge connections where the structure consists of two arrays of thin, parallel, conductors printed on top and bottom faces of a low-loss dielectric material or substrate, the conductors in the arrays printed on the top and bottom surfaces being inclined at different but symmetric pitch angles on the surface of the planar surface, the conjunction ends of the conductors on the top and bottom faces being connected by vertical conductors with circular rings with a diameter greater than the diameter of the vertical conductors to ensure proper connections between them, and a vacuum tunnel inside the planar helix structure.
摘要翻译：具有直边连接的平面螺旋慢波结构，其结构由打印在低损耗介电材料或衬底的顶表面和底面上的两个薄平行导体阵列组成，阵列中的导体印在顶部，底面在平坦表面的表面上以不同但对称的桨距倾斜，顶面和底面上的导体的连接端通过垂直导体连接，圆形环的直径大于垂直导体的直径确保它们之间的正确连接，以及平面螺旋结构内的真空隧道。

9. 发明授权

US08823262B2 Helical slow-wave structure including a helix of rectagular cross-section having grooves therein adapted to receive supporting rods therein 有权
标题翻译：螺旋慢波结构包括具有适于在其中容纳支撑杆的凹槽的直立截面的螺旋
公开(公告)号：US08823262B2
公开(公告)日：2014-09-02
申请号：US13345121
申请日：2012-01-06
申请人： Yanyu Wei , Luwei Liu , Yubin Gong , Xiong Xu , Hairong Yin , Lingna Yue , Yang Liu , Jin Xu , Wenxiang Wang
发明人： Yanyu Wei , Luwei Liu , Yubin Gong , Xiong Xu , Hairong Yin , Lingna Yue , Yang Liu , Jin Xu , Wenxiang Wang
IPC分类号： H01J23/26 , H01J25/34
CPC分类号： H01J23/26 , H01J25/34
摘要： The present invention provides a helical slow-wave structure, including a helix, a metal barrel and several supporting rods. The plurality of supporting rods may be inserted into the lines of the grooves tightly, this increases the contact area between the helix and the plurality of supporting rods. With a proper assembly method, the thermal contact resistance between helix and supporting rod may be decreased. So, the invention may enhance the capability of transferring the heat out of the helical slow-wave structure. The helix may have higher heat capacity, therefore, the helical slow-wave structure may become more firm, and more reliable.
摘要翻译：本发明提供了螺旋慢波结构，其包括螺旋，金属筒和几个支撑杆。多个支撑杆可以紧紧地插入槽的线中，这增加了螺旋和多个支撑杆之间的接触面积。通过适当的组装方法，螺旋和支撑杆之间的热接触电阻可能会降低。因此，本发明可以提高将热量从螺旋慢波结构传递出去的能力。螺旋可能具有较高的热容量，因此，螺旋慢波结构可能变得更坚固，更可靠。

10. 发明申请

US20110127911A1 Traveling-Wave Tube Turn-Off Body Energy Circuit 失效
标题翻译：行波管截止体能量回路
公开(公告)号：US20110127911A1
公开(公告)日：2011-06-02
申请号：US13022897
申请日：2011-02-08
申请人： David Eric Lewis
发明人： David Eric Lewis
IPC分类号： H01J25/34 , H05B37/02
CPC分类号： H01J23/34 , Y10T307/696
摘要： An apparatus that includes a traveling-wave tube having an electron gun having a cathode. The apparatus also includes a first power supply for establishing a first electric potential between the cathode and an anode and for providing an operational current to the cathode to generate a beam of electrons. The apparatus also includes a slow-wave structure having a passage through which the beam of electrons passes. The apparatus also includes a second power supply for providing a voltage to a beam focusing electrode to establish an electric potential between the cathode and the beam focusing electrode. The apparatus also includes a switching module coupled to the first power supply and the second power supply, the switching module providing a current path between the cathode and the beam focusing electrode, wherein the current path is disabled when a biasing current is below a predetermined level.
摘要翻译：一种包括具有阴极的电子枪的行波管的装置。该装置还包括用于在阴极和阳极之间建立第一电位并且用于向阴极提供工作电流以产生电子束的第一电源。该装置还包括具有电子束通过的通道的慢波结构。该装置还包括用于向光束聚焦电极提供电压以在阴极和光束聚焦电极之间建立电位的第二电源。该装置还包括耦合到第一电源和第二电源的开关模块，开关模块在阴极和束聚焦电极之间提供电流路径，其中当偏置电流低于预定电平时，电流路径被禁用。

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