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WO/2021/064754A2 |
A system and method for dynamically optimizing content delivery in a wireless communication network. The method comprises receiving, at a transceiver [208A], a request for delivery of a content from at least one user device [202]. A mani...
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WO/2021/059595A1 |
This radiation tube mounting member is provided with: a common substrate which supports one-end side of each of a plurality of radiation tubes and which holds the respective radiation tubes in an arrayed state; and a positioning part whi...
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WO/2021/053876A1 |
The purpose of the invention is to prevent excess brazing material from joining to a guard electrode during vacuum brazing in a field emission device. An emitter support section (32) of an emitter support structure (1) is disposed so a...
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WO/2021/053203A1 |
The invention relates to a computer tomograph, in particular for examining the human body, which operates by means of a plurality of rigidly arranged x-ray tubes (3), which are components of emitter-detector elements (11, 12, 13, 14), wh...
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WO/2021/049639A1 |
An X-ray tube pertaining to an embodiment is provided with: an anode having a target layer and an outer peripheral part; and a cathode having a filament having a major axis in a first direction and an electron-focusing cup for focusing a...
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WO/2021/048856A1 |
An energy converter unit and X-ray source system are presented. The energy converter unit comprises a multilayered crystal structure having a selected layers' arrangement comprising at least first and second of layers of at least first a...
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WO/2021/049055A1 |
An X-ray tube device according to an embodiment comprises: a negative electrode that discharges electrons; a positive electrode target that generates an X-ray by being impacted with electrons discharged from the negative electrode; a fir...
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WO/2021/044525A1 |
This X-ray generator is provided with an X-ray generation unit, a housing case housing the X-ray generation unit, and an insulating component disposed between the inner surface of the housing case and at least a part of the X-ray generat...
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WO/2021/044524A1 |
This X-ray generation device is provided with: an X-ray generation tube having a cathode that includes an electron-emitting section for emitting electrons in a first direction, and an anode including a target that generates X-rays as a r...
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WO/2021/040079A1 |
The present invention relates to an x-ray source device and a control method thereof, the X-ray source device comprising: an emitter which is formed on the upper surface of a cathode electrode for electron emission; an anode electrode wh...
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WO/2021/037481A1 |
The invention relates to an electron source (2) for generating an electron beam (8), comprising a cathode (1) and an anode (4) in the form of a graphene layer (6, 12) which is epitaxially grown with a silicon carbide substrate (5). The i...
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WO/2021/035004A1 |
Some embodiments include an x-ray system, comprising: a structure (102) having a hole (110) having an axially extending wall (114); and a nozzle (104) disposed in the hole (110); wherein the nozzle (104) and the axially extending wall (1...
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WO/2021/029161A1 |
According to the present invention, a window part transmits an X-ray emitted from a target to the outside through an X-ray passage. The window part includes: a window frame section having a passing hole through which the X-ray passes; a ...
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WO/2021/030192A1 |
Described are apparatus and methods of operation for three dimensional fluence modulation and scatter shielding for dedicated computed tomography (CT). Through the disclosed invention, the number of incident photons on the field of view ...
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WO/2021/024510A1 |
An X-ray tube for analysis according to an embodiment of the present invention is provided with: a vacuum envelope having formed therein an output window through which X-rays are transmitted; a disk-shaped anode target provided opposite ...
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WO/2021/020722A1 |
Provided is a field emission apparatus including a pipe-shaped emitter holder comprising an electrically conductive material and a first internal space communicated in a first direction, and an emitter electrode having one or more yarns ...
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WO/2021/013853A1 |
An X-ray source (100) for generating X-ray radiation of first and second energy spectra is proposed, wherein the X-ray intensity imbalance between the first and second energy spectra is reduced as compared to conventional X-ray sources. ...
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WO/2021/015036A1 |
The X-ray tube is provided with an electron gun unit, a target from which X-rays are generated, and a vacuum housing section. The vacuum housing section has: a metal housing part supporting the target; and a bulb part made of an insulati...
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WO/2021/015037A1 |
This X-ray tube is provided with: an electron gun part which emits electrons; a target which generates X rays; and a vacuum casing part which houses the electron gun part and the target. The vacuum casing part includes a valve part made ...
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WO/2021/008881A1 |
A method for imaging a sample (S) by means of an X-ray detector (D) is disclosed, comprising providing (10) an electron beam (112) interacting with a target (T) to generate X-ray radiation (120) emitted from an X-ray spot (122) on the ta...
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WO/2021/011209A1 |
An x-ray source includes an anode assembly having at least one surface configured to rotate about an axis, the at least one surface in a first region. The x‑ray source further includes an electron-beam source configured to emit at leas...
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WO/2021/006166A1 |
[Problem] To facilitate movement or installation of a CT device and reduce maintenance load such as repair and replacement of used parts by reducing the size, weight, and power consumption of an X-ray CT and solving the stroke region of ...
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WO/2020/261339A1 |
The X-ray generation device is provided with: an electron gun; and an anode having a target from which X-rays are generated when electrons from the electron gun collide therewith. The electron gun includes a cathode having an electron em...
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WO/2020/232253A9 |
Disclosed are systems and methods for X-ray imaging of a patient's breast using optimized iodine contrast- enhanced energy-subtraction mammography (CEESM). The disclosed technology employs an X-ray tube design that uses as the X-ray targ...
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WO/2020/242511A1 |
Embodiments of the disclosed system and method provide for generating a multiple- energy X-ray pulse. A beam of electrons is generated with an electron gun and modulated prior to injection into an accelerating structure to achieve at lea...
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WO/2020/229254A1 |
An imaging system (202) includes an X-ray radiation source (210) configured to emit radiation that traverses an examination region. The imaging system further includes a controller (220). The controller is configured to control an X-ray ...
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WO/2020/218952A1 |
An X-ray beam is generated in an interaction zone of an electron beam and a target, the zone being an annular layer of a molten fusible metal in an annular channel of a rotating anode assembly. The channel has a surface profile which pre...
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WO/2020/213039A1 |
An X-ray generation device comprising: an X-ray generation tube having a cathode that includes an electron emitting part which emits electrons in a first direction, and an anode that includes a target which generates X-rays due to the el...
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WO/2020/204290A1 |
The present invention provides an X-Ray emitting device that comprises a focusing electrode composed of a ceramic-based material, which can be manufactured by a simple process and is excellent in durability.
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WO/2020/193850A1 |
According to an example aspect of the present invention, there is provided a radiation window manufacturing method, comprising patterning a mask on a top surface of a bulk wafer (201, 212, 202), etching the bulk or compound wafer from th...
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WO/2020/193103A1 |
There is provided a method of setting a filament demand in an x- ray apparatus. The x-ray apparatus has a filament (111), through which the passing of a heating current allows thermionic emission of electrons from the filament. The x-ray...
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WO/2020/183550A1 |
The present invention addresses the problem of suppressing reduction in reliability of an EUV light generation device as a result of tin being stuck to the inside of an exhaust pump (60) or tin flowing reverse from a drain tank and adher...
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WO/2020/178898A1 |
An X-ray tube (120) is provided with: a cathode (140) and an anode (150) sealed inside a vacuum envelope (121); and an ion-collecting conductor (130) attached to the vacuum envelope so as to contact the internal space of the vacuum envel...
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WO/2020/158644A1 |
[Problem] To provide a compact tomosynthesis device that uses a plurality of cold cathode X-ray sources. [Solution] This tomosynthesis device includes a plurality of cold cathode X-ray sources that irradiate a subject with X-rays, wherei...
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WO/2020/153579A1 |
The present invention provides a field emission device with excellent structural stability and enhanced efficiency of electron emission. The device includes: a first tube composed of a carbon nanotube sheet that includes a plurality of u...
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WO/2020/141435A1 |
Systems and methods for digitally switching x-ray emission systems include a digital switching unit operable to selectively connect a low voltage driving circuit to activate a field emission type electron emitting construct such that ele...
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WO/2020/136912A1 |
This electron gun is provided with a cathode having an electron emission portion, an extraction electrode which extracts electrons emitted from the electron emission portion, and a convergence electrode which converges the electrons extr...
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WO/2020/136911A1 |
This X-ray generation tube comprises: an insulation tube having a first open end and a second open end; a cathode having an electron emission source and disposed so as to close the first open end of the insulation tube; an anode having a...
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WO/2020/127201A1 |
An X-ray source (100) is disclosed, comprising a liquid target source (110) configured to provide a liquid target (J) in an interaction region (I) of the X-ray source, an electron source (120) adapted to provide an electron beam (122) di...
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WO/2020/122257A1 |
Provided are an X-ray tube and an X-ray detector that can bring a target as close as possible to a sample. The X-ray tube comprises: an electron generation unit; an electron acceleration unit that accelerates electrons generated by the e...
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WO/2020/111818A1 |
The present invention relates to a small X-ray device having a flattening filter. Provided is a small X-ray device comprising: an X-ray tube in which electrons emitted in accordance with a voltage applied to a filament are emitted toward...
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WO/2020/111820A1 |
The present invention relates to a small x-ray tube having an extractor, comprising: a filament for emitting electrons when a voltage is applied; a base comprising two filament through holes so as to be able to fix the filament and conne...
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WO/2020/111819A1 |
The present invention relates to a small X-ray tube comprising a heat emitting cap. The small X-ray tube comprises: a filament for discharging electrons when voltage is applied thereto; a target for receiving the electrons discharged fro...
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WO/2020/111755A1 |
A field emission tomosynthesis system according to the disclosed present invention comprises: a vacuum body unit having a space therein; source parts which are provided in a plurality inside the body unit, so as to respectively generate ...
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WO/2020/056281A9 |
In some aspects, a monochromatic x-ray component for producing monochromatic x-ray radiation from broadband x-ray radiation is provided. The monochromatic x-ray component comprises a housing configured to be positioned proximate a broadb...
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WO/2020/098556A1 |
An on-chip miniature X-ray source, comprising: an on-chip miniature electron source (10); a first insulating spacer (11) located on one side of the on-chip miniature electron source (10) emitting electrons, the first insulating spacer (1...
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WO/2020/094824A1 |
The present disclosure relates to an X-ray source system configured for successively or concurrently generating different X-ray spectra, which have different cutoff-energies. The system comprises an electron receiving member, which is mo...
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WO/2020/094533A1 |
The present disclosure relates to X-ray sources (100) comprising an electron source (110), an adjustment means (120) for adjusting an orientation of the electron beam (e) generated by the electron source, a focusing means configured to f...
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WO/2020/088939A1 |
The present invention relates to a hybrid anode structure (100) for fast-kilovolt-peak switching for dual energy CT, the hybrid anode structure comprising: an auxiliary anode (10), which comprises a first target area (12), which is confi...
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WO/2020/089131A1 |
The present invention relates to a method for stabilizing a focal spot (5, 5') of an X-ray tube, comprising the following steps: generating a projection image (12, 12') of a pattern (6) on a detector (7) by means of the X-ray system, whi...
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