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公开(公告)号：US20240339283A1
公开(公告)日：2024-10-10
申请号：US18748076
申请日：2024-06-19
发明人： Houman Jafari , Bo Gao , Vance Scott Robinson
CPC分类号： H01J35/153 , H01J35/112 , H01J35/12 , H01J35/064 , H01J2235/068 , H01J2235/086 , H05G1/02
摘要： Some embodiments include a system, comprising: at least one x-ray source, each x-ray source including: an electron source configured to generate an electron beam; and a target configured to receive the electron beam and convert the electron beam into an x-ray beam; and a collimator. A first edge of the collimator closest to the electron source is closer to the electron source than a central axis of the x-ray beam before entering the collimator; and a second edge of the collimator opposite to the first edge is at the central axis of the x-ray beam before entering the collimator or closer to the electron source than the central axis of the x-ray beam before entering the collimator.
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公开(公告)号：US20240297009A1
公开(公告)日：2024-09-05
申请号：US18663015
申请日：2024-05-13
发明人： Cheng NI , Gang PAN , Zhangfan DENG , Mingyuan SONG , Zongrui SUN , Haoshan ZHU , Feichao FU , Jincheng MEI , Chengjia YUAN , Li WANG , Xiaofeng ZHANG , Jianxiong ZOU
CPC分类号： H01J1/22 , H01J35/064
摘要： The present disclosure is related to a microwave source. The microwave source may include a cathode heater and a thermionic emitter. The cathode heater may include a first component, and a second component enclosing at least a portion of the first component. The thermionic emitter may be configured to release electrons when the thermionic emitter is heated by the cathode heater. At least a portion of the second component of the cathode heater may be in contact with the thermionic emitter.
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公开(公告)号：US12051559B2
公开(公告)日：2024-07-30
申请号：US17695843
申请日：2022-03-16
申请人： FUJIFILM CORPORATION
发明人： Masayoshi Matsuura
CPC分类号： H01J35/14 , A61B6/025 , H01J35/064 , H01J35/08
摘要： A radiation tube attachment member includes: a common substrate that supports one end side of each of a plurality of radiation tubes and holds the plurality of radiation tubes in a state in which the plurality of radiation tubes are arranged; and a positioning portion that is provided in the common substrate and locates a focus of each of the plurality of radiation tubes at which radiation is emitted at a target position.
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公开(公告)号：US20240136143A1
公开(公告)日：2024-04-25
申请号：US18226510
申请日：2023-07-25
发明人： Courtney Leigh Hummell Sovinec , Edward Steven Jimenez, Jr. , Noelle Melissa Collins , Gabriella Dalton , Kyle R. Thompson , Amber Lynn Dagel
CPC分类号： H01J35/112 , H01J35/064 , H01J35/14
摘要： A multi-metal patterned anode for an X-ray detector is provided. The anode comprises a substrate and at least one group of disjointed circular features formed on the substrate, wherein the circular features are made from different metals. The circular features in different groups have different radii, and the circular features in the same group have the same radii. The groups of circular features are radially arrayed on the substrate. The substrate is made of diamond or beryllium.
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公开(公告)号：US20240105415A1
公开(公告)日：2024-03-28
申请号：US18218240
申请日：2023-07-05
发明人： Kimihiro Nakayama , Yutaro Tanabe , Ren Sonoda
CPC分类号： H01J35/186 , H01J35/064
摘要： A lightweight X-ray tube assembly and X-ray CT equipment having the same. The X-ray tube assembly includes an X-ray tube and a tube housing. The X-ray tube includes: a cathode for generating an electron beam; an anode for radiating X rays by collision of the electron beam; an envelope for holding the cathode and the anode in a vacuum atmosphere; and an X-ray window provided in the envelope to irradiate some of X rays radiated from the anode toward a test subject. The tube housing encapsulates the X-ray tube together with an insulating oil. The X-ray tube assembly further includes a protective member that is provided at least around the X-ray window on an outer wall of the envelope and shields the X rays.
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公开(公告)号：US20230290603A1
公开(公告)日：2023-09-14
申请号：US17654046
申请日：2022-03-08
发明人： Kevin S. KRUSE
CPC分类号： H01J35/14 , H01J35/064 , H01J35/066 , H01J2235/064
摘要： Various methods and systems are provided for a cathode of an X-ray imaging system, the cathode comprising a cup and a ceramic insulator having a convex outer surface mating with corresponding pockets on the cup surrounding the ceramic insulator.
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公开(公告)号：US12046442B2
公开(公告)日：2024-07-23
申请号：US17177038
申请日：2021-02-16
发明人： Houman Jafari , Bo Gao , Vance Scott Robinson
CPC分类号： H01J35/153 , H01J35/112 , H01J35/12 , H01J35/064 , H01J2235/068 , H01J2235/086 , H05G1/02
摘要： Some embodiments include a system, comprising: a plurality of x-ray sources, each x-ray source including: an electron source configured to generate an electron beam; and a target configured to receive the electron beam and convert the electron beam into an x-ray beam; wherein: at first x-ray source of the x-ray sources is different from a second x-ray source of the x-ray sources; and the targets of the x-ray sources are part of a linear target.
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公开(公告)号：US11996258B2
公开(公告)日：2024-05-28
申请号：US18340690
申请日：2023-06-23
申请人： Moxtek, Inc.
发明人： Eric Miller
IPC分类号： H01J35/06
CPC分类号： H01J35/064
摘要： A planar filament 11f can include multiple materials to increase electron emission in desired directions and to suppress electron emission in undesired directions. The filament 11f can include a core-material CM between a top-material TM and a bottom-material BM. The top-material TM can have a lowest work function WFt; the bottom-material BM can have a highest work function WFb; and the core-material CM can have an intermediate work function WFc (WFt Wb). This shape makes it easier to coat the edges 31e with the bottom-material BM, because the edges 31e tilt toward and partially face the sputter target. This shape also helps direct more electrons to a center of the target 14, and reduce electron emission in undesired directions.
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公开(公告)号：US11990309B2
公开(公告)日：2024-05-21
申请号：US17977825
申请日：2022-10-31
发明人： Andrew Thomas Cross , Uwe Wiedmann , Marshall Gordon Jones , Carey Rogers , John Scott Price , Joseph Darryl Michael , Sergio Lemaitre , Fulton Jose Lopez , Vasile Bogdan Neculaes , Steve Buresh , David Wagner
IPC分类号： H01J35/06
CPC分类号： H01J35/066 , H01J35/064 , H01J2235/1212 , H01J2235/1291
摘要： Various systems and methods are provided for a biased cathode assembly of an X-ray tube with improved thermal management and a method of manufacturing same. In one example, a cathode assembly of an X-ray tube comprises an emitter assembly including an emitter coupled to an emitter support structure, and an electrode assembly including an electrode stack and a plurality of bias electrodes. The emitter assembly including a plurality of independent components that are coupled together. The electrode assembly including a plurality of independent components that are coupled together, and the emitter assembly being coupled to the electrode assembly.
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公开(公告)号：US20240038478A1
公开(公告)日：2024-02-01
申请号：US18228888
申请日：2023-08-01
发明人： Philipp Bernhardt
CPC分类号： H01J35/08 , H01J35/064 , H01J35/14
摘要： In order to achieve effective cooling, an X-ray emitter with a tube housing having a vacuum is provided. At least one anode is arranged in the tube housing, such that the anode is irradiated by an electron beam generated in a cathode and accelerated through an electrical field. The anode is excited, such that an X-ray deceleration radiation is emitted. The X-ray emitter has a thermoelectric converter (e.g., at least one thermophotovoltaic cell) for generating electrical energy. The thermoelectric converter is arranged, such that the thermoelectric converter may be irradiated at least in part by a heat radiation emanating from the anode.
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