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WO/2024/071105A1 |
[Problem] To further stabilize voltages applied to a power supply which accelerates an electron beam and a power supply required for oscillation while suppressing a manufacturing cost and operation cost of a facility in a gyrotron, and i...
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WO/2024/071104A1 |
[Problem] To better stabilize voltages that are applied to a power supply for accelerating an electron beam and a power supply required for oscillation in a gyrotron, while suppressing facility manufacturing cost and operating cost, to t...
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WO/2024/065914A1 |
A magnetron and a microwave heating device. The magnetron comprises a tube core (21), a first tube shell (21a), a second tube shell (21b), an output ceramic (22), an antenna cap (23) and an antenna (24). The first tube shell (21a), the t...
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WO/2024/059974A1 |
A slow-wave structure, a travelling-wave tube and a communication device, relating to the technical field of vacuum electronics. The slow-wave structure comprises: a conductive housing (11), which is internally provided with a vacuum shi...
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WO/2024/050841A1 |
A slow wave structure, a high-frequency system, a traveling wave tube, and a communication apparatus. The slow wave structure comprises: a waveguide, a dielectric support assembly, and N slow wave bands sequentially arranged in the trans...
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WO/2023/236785A1 |
The present application provides an electron gun and a vacuum electronic device. According to the present application, the anode and the signal input system of the electron gun are integrated to achieve the integrated design and manufact...
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WO/2023/224717A1 |
A linear accelerator having multiple cavities along a beamline that is powered by a pair of distribution waveguide manifolds with a sequence of feed arms connecting the manifolds to the cell sections and a single RF feed is described her...
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WO/2023/216945A1 |
The present application provides a traveling wave tube, an electron gun, and a power amplification system, used for improving the electronic efficiency of a traveling wave tube when the traveling wave tube linearly amplifies a radio freq...
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WO/2023/205536A1 |
Described herein is a traveling wave tube (TWT), comprising an electron gun configured to generate an electron beam (E-beam); a signal injector configured to generate a radio frequency (RF) signal; a slow wave structure (SWS) having an a...
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WO/2023/196046A1 |
A lightweight, thermally stable disk for use in a slow wave structure (SWS) of CoTWT is configurated without sacrificing thermal management, structural integrity, or RF performance. Refractory metal is removed from regions of the disk wh...
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WO/2023/193280A1 |
An embodiment of the present application provides an image sensor including a quantum dot (QD) region configured to perform photoelectric conversion in short wavelength infrared (SWIR) range. The QD region has a stack of two or more QD l...
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WO/2023/151953A1 |
A computerâimplemented method performed by a device (201, 1000) configured with a reinforcement learning, RL, agent (203) for radio frequency, RF, filter tuning is provided The method includes obtaining (911) a scattering parameter, Sâ...
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WO/2023/136955A1 |
Radio frequency (RF) devices that include a resonator inside a cavity are provided. The resonator is suspended above a floor of a housing that defines the cavity. In particular, a bottom surface of the resonator is spaced apart from the ...
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WO/2023/095284A1 |
The present invention includes a circular waveguide with a cylindrical shape, a lead-in side rectangular waveguide, and a lead-out side rectangular waveguide. The circular waveguide includes a dielectric airtight window that partitions a...
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WO/2023/092869A1 |
Disclosed in the present application are a magnetron device and a semiconductor processing apparatus. The magnetron device comprises a rotary seat, a driving shaft, a transposition rotary shaft, a crank rocker assembly, a mounting seat, ...
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WO/2023/090365A1 |
A large electron tube (1) is provided with: a cylindrical collector (14); and, a magnetic body (16) disposed outside the collector (14) and having no axial symmetry with respect to the central axis of the collector (14). With the above c...
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WO/2023/075281A1 |
The present invention relates to a magnetron oscillator including a cathode having a groove pattern and, more particularly, to a magnetron oscillator including a cathode having a groove pattern, in which, by providing the groove pattern ...
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WO/2023/273906A1 |
A slow wave circuit, an electromagnetic wave processing method, and a related device, relating to the technical field of microwave vacuum electronics. The slow wave circuit comprises a first cavity, N1 first photonic crystal columns prov...
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WO/2022/248064A1 |
Embodiments described herein relate to a method and apparatus for training a model based reinforcement learning, MBRL, model for use in an environment. The method comprises obtaining a sequence of observations, ot, representative of the ...
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WO/2022/196648A1 |
Provided is a klystron device with improved output conversion efficiency.ăThe klystron device includes a klystron body and a focusing magnetic field device. The klystron body includes an electron gun part, a collector part, multiple ca...
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WO/2022/130116A1 |
An electron gun is disclosed for use in an apparatus, such as a TWT, having a body along which a beam of electrons emitted by the electron gun travels during use. The electron gun comprises a housing for forming a vacuum seal with the bo...
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WO/2022/063942A1 |
Disclosed herein is a computer-implemented method of determining a model for predictive maintenance of a magnetron for a particle accelerator for a radiotherapy device. The method comprises collating lifetime data of each of a plurality ...
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WO/2022/024692A1 |
A magnetron according to the present disclosure is provided with an anode cylindrical body, a plurality of vanes, a cathode filament, an input side magnetic pole, an output side magnetic pole, and a choke structure portion. The anode cyl...
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WO/2021/242473A1 |
Traveling-wave tube amplifiers and methods for making slow-wave structures for the amplifiers are provided. The SWSs include helical conductors that are self-assembled via the release of stressed electrically conductive strips from a sac...
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WO/2021/240909A1 |
In order to suppress the amount of time needed for the start-up of a microwave tube carried out when voltage fed from a power source has decreased, while avoiding increase in scale of a power storage unit, this power supply device includ...
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WO/2021/112081A1 |
Provided are: a microwave tube with which it is possible to suppress complication of structure, adjustment, etc., and to contribute to keeping high-frequency output of the microwave tube constant for a long period of time; and a method f...
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WO/2021/066925A1 |
A microwave magnetron includes a cathode for emitting electrons, a filament for receiving a filament current to heat the cathode to enable to cathode to emit the electrons, and an anode to which anodic power can be applied to affect a fl...
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WO/2020/231008A1 |
The present invention relates to a high power magnetron comprising an asymmetric tuner unit, the high power magnetron comprising: a diode comprising a cathode and an anode; and a plurality of tuner units for varying the electrical field ...
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WO/2020/150664A1 |
A method includes simulating diffraction in a transmission geometry of relativistic electron bunches from a crystallographic structure of a crystal thereby simulating diffraction of the relativistic electron bunches into a plurality of B...
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WO/2020/150665A1 |
A method includes accelerating an electron bunch along a direction of propagation to a relativistic energy and partitioning the electron bunch by transmitting the electron bunch through a grating at the relativistic energy. The grating i...
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WO/2020/126045A1 |
A magnetic field propulsion unit (1) comprises a first magnetic field generating device (10) configured to generate a magnetic field; a second magnetic field generating device (220) configured to generate a magnetic field; an energy supp...
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WO/2020/114761A1 |
A feedthrough for providing an electrical connection is provided. The feedthrough comprises a conductor and a quartz or a glass structure configured to surround at least a portion of the conductor and provide isolation to the conductor. ...
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WO/2020/058053A1 |
An electron gun is specified, which comprises: - a cathode, which has a cathode holder and a cathode body; and - a Wehnelt cylinder, wherein the cathode holder receives the cathode body and the Wehnelt cylinder is suitable for bundling f...
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WO/2020/043562A1 |
Described is an arrangement of conduction-cooled travelling wave tubes comprising 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 ...
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WO/2020/043563A1 |
The invention relates to a cooling assembly for traveling-wave tubes, comprising: at least one traveling-wave tube in a housing; and a carrier plate, wherein: the carrier plate has a cut-out created from a top side of the carrier plate b...
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WO/2020/035903A1 |
An electromagnetic wave generator (100) that comprises: a cavity resonance part (2) that is provided to a conductor plate (1) and has N resonance cavities (22); a power supply (11) that supplies power that is for electromagnetic wave gen...
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WO/2019/177835A1 |
A self-assembling element fabricated using integrated circuit techniques may provide a small diameter helical conductor surrounding an electron beam for the construction of a vacuum electronic device such as a traveling-wave tube for ter...
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WO/2019/172312A1 |
Provided is a slow-wave circuit and the like that contribute to achieving a wide band while reducing energy loss. The slow-wave circuit is provided with: a waveguide for transmitting electromagnetic waves, the waveguide including a meand...
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WO/2019/169385A1 |
Vacuum electron devices and linear accelerators include a hollow cathode (510) configured to emit a beam of electrons. An anode (210) is configured to attach and focus the beam of electrons. A control grid (520) is configured to control ...
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WO/2019/158478A1 |
Circular grid for a cylindrical cathode of a linear-beam microwave tube, said grid comprising an equal number of cells and bars (3), and comprising: - an external circular boulevard (4); - two or three bars (3) that are all connected, at...
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WO/2019/119693A1 |
A magnetron, comprising a magnetron heat dissipation element used for heat dissipation of the magnetron, the magnetron heat dissipation element comprising a central heat conducting body (1) for coating the outer side wall of an anode cyl...
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WO/2019/094929A1 |
A plasma ion source includes a plasma chamber body having at least one inlet for introducing a feed gas to an interior of the plasma chamber body. The plasma chamber body is electrically isolated from a vacuum chamber attached to the pla...
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WO/2019/073228A1 |
A microwave generation system comprising a microwave generator, a pulse generator and an impedance network. The pulse generator is arranged to provide pulses of electrical power to the microwave generator and is operable to vary the powe...
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WO/2019/043942A1 |
An electromagnetic wave generator (100) is provided with: an oscillator (6) including a conductor plate (1), which has a cavity resonance section (11), and an electron emitter (3), which is disposed facing one surface of the conductor pl...
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WO/2019/041672A1 |
A coaxial TM10,1,0 mode coupled cavity chain, comprising multiple coupled TM10,1,0 mode coaxial resonant cavities, and drift tubes arranged at radial positions where an axial electric field in the TM10,1,0 mode coaxial resonant cavities ...
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WO/2019/009173A1 |
A magnetron according to an embodiment comprises a magnetic circuit configured from a permanent magnet (13, 14) and a yoke configured by joining a first yoke (15) and a second yoke (16) together. The first yoke (15) and the second yoke (...
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WO/2018/230018A1 |
This klystron (10) comprises an electron gun unit (A), a plurality of resonance cavities (14a) to (14j), a collector (15), and a plurality of drift tubes (16a) to (16k). The plurality of resonance cavities (14a) to (14j) include an input...
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WO/2018/174221A1 |
The purpose of the present invention is to correct an error from a design value due to variations and the like in component dimensional accuracy, assembly accuracy, or permittivity, and to maintain the design value. An RF window is provi...
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WO/2018/151253A1 |
The objective of the invention is to provide a microwave tube, or the like, wherein gas adsorption action of a getter may be satisfactorily performed independently from a microwave amplification operation. In order to solve this problem,...
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WO/2018/078057A1 |
The invention relates to an appliance for manufacturing a three-dimensional object by means of selective additive manufacturing, comprising, in a housing: a support for depositing successive layers of additive manufacturing powder; a dis...
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