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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/2024/065699A1 |
A traveling-wave tube amplifier, a power enhancement system, a base station and a related method, which relate to the technical field of electromagnetic-wave power enhancement devices. The traveling-wave tube amplifier comprises a plural...
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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/2024/065913A1 |
A magnetron and a microwave heating device. The magnetron comprises a tube core (21), a first tube housing (21a), a second tube housing (21b), output ceramic (22), an antenna cap (23), and an antenna (24). The first tube housing (21a), t...
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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/2023/224896A1 |
Electroplated helical conductors and methods for making the electroplated helical conductors are provided. The electroplated helical conductors are made from pre-formed thermally and electrically conducting nanomembrane ribbons having no...
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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/2023/092869A1 |
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/2023/085646A1 |
The present invention relates to a linear accelerator having a precise radiation dose control function and, more particularly, to a linear accelerator having a precise radiation dose control function, the linear accelerator stabilizing o...
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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/2022/196648A1 |
Provided is a klystron device with improved output conversion efficiency.　The 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/2022/074466A1 |
The waveguide (1) for microwaves comprises: - at least one confinement space (2) of a microwave stream provided with at least one inlet port (4) of the microwave stream and with at least one outlet port (5) of the microwave stream; and -...
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WO/2022/074199A1 |
A method of determining a design of a transmission waveguide, the method comprising: providing a system comprising a transmission waveguide connected at a first end thereof to an RF source; generating an electromagnetic field in the syst...
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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/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/2021/171183A1 |
A magnet system comprising: a supplied magnetic field producer configured for creating a supplied magnetic field (SMF) or a supplied radial electric field producer configured for creating a supplied radial electric field (SREF); and an e...
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WO/2021/115327A1 |
The present application provides a signal transmitter, which is able to improve the flexibility of signal decomposition of a transmitter and improve the system performance of the signal transmitter. The signal transmitter comprises: a si...
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WO/2021/102109A1 |
A new class of efficient vacuum electronic devices (VEDs) for THz wave generation and amplification are disclosed. The EM circuits of these VEDs are micro-fabricated from Si wafers with high precision. The original design of the EM circu...
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WO/2021/078867A1 |
Disclosed herein is a high-power device for supplying a radiofrequency electromagnetic field to a waveguide. The device comprises a magnetron configured to supply a radiofrequency electromagnetic field to a waveguide and a control unit c...
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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/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/2018/217108A1 |
The present invention relates to a converter of an electrostatic charge into a magnetic field, which comprises at least one sheet into which a first electrostatic charge is injected; toroidal coils which carry a first electrostatic field...
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WO/2018/175689A1 |
A magnetron sputtering source for sputtering a target includes a magnetically permeable material yoke member and a first magnet positioned on said yoke member and having a north-south magnetic orientation that is perpendicular to the yok...
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WO/2018/077216A1 |
A magnetron, a magnetron sputtering chamber and a magnetron sputtering device. The magnetron comprises a first outer magnetic pole (101) and a first inner magnetic pole (102) which have opposite polarities, the first outer magnetic pole ...
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WO/2018/052518A2 |
Technology is described for vacuum electron device (e.g., sheet beam klystron) that includes a hollow tube structure. In one example, the hollow tube structure includes at least three resonant cavities and at least two drift tube section...
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WO/2018/040588A1 |
Disclosed are a magnetron element and a magnetron sputtering apparatus. The magnetron element comprises a closed magnetron (1) and a non-closed magnetron (2). A closed plasma path (13) is formed between an inner magnetic pole (11) and an...
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WO/2018/040408A1 |
Disclosed are a magnetron element (4) and a magnetron sputtering apparatus. The magnetron element (4) comprises a closed magnetic pole (1) and an open-circuit magnetic pole (2). The closed magnetic pole (1) surrounds the open-circuit mag...
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WO/2018/025239A1 |
An electron beam 3D printing machine (1), comprising a chamber (2) for generating and accelerating an electron beam and an operating chamber (3) in which a metal powder is melted, with the consequent production of a three-dimensional pro...
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WO/2018/015896A1 |
An apparatus for generating electromagnetic waves (100) is envisaged relating to the field of electromagnetic wave generating systems. The apparatus provides efficient radio frequency amplification, facilitates low loss electromagnetic g...
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WO/2017/154987A1 |
The present invention provides a delay circuit for securing a wide range of bandwidths in a folded waveguide. The delay circuit is provided with a folded waveguide and a beam hole. The beam hole is disposed between an end and the center ...
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WO/2017/092943A1 |
A free electron laser comprising: an electron source, a linear accelerator, an undulator, electron beam optics and a deceleration unit. The electron source is operable to produce a bunched electron beam. The linear accelerator arranged t...
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WO/2017/090909A1 |
A high-powered magnetron according to one embodiment of the present invention comprises: a diode including a cathode and an anode; and a tuner unit for varying the electric field applied to the diode, wherein the tuner unit comprises a p...
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WO/2017/085507A1 |
An electromagnetic wave frequency and amplitude modifier (10) having an input cavity resonator (12) for receiving a beam of electrons from an electron beam source, and for receiving an input electromagnetic waveform from an energy source...
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WO/2017/060189A1 |
The invention relates to an amplifier with multibeam inductive output tube comprising an output cavity (34) and several electron guns (11, 21) each intended to emit an electron beam (12, 22) passing through the output cavity (34), each e...
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WO/2017/036623A1 |
The invention relates to a device (1), comprising a high-voltage direct-current transmission line (2) and a releasing device (4), wherein the releasing device (4) is electrically coupled to the high-voltage direct-current transmission li...
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WO/2016/099622A1 |
Tube amplifier system including a plurality of conductor walls extending parallel to a longitudinal axis and defining an interior space therebetween. The tube amplifier system also including a shorting deck that extends transverse to the...
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WO/2016/043783A1 |
A method, system, and apparatus for vector control of radio frequency signals in narrow band devices such as Superconducting Radio Frequency (SRF) cavities driven by injection locked magnetrons using carrier amplitude modulation by spect...
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WO/2016/037075A1 |
A depressed beam collector and an RF source comprising a depressed beam collector. The RF source may include, e.g., a multi-beam klystron, a single beam klystron, or other RF sources having an electron gun. The beam collector collects sp...
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WO/2015/175765A1 |
Graphene grids are configured for applications in vacuum electronic devices. A multilayer graphene grid is configured as a filter for electrons in a specific energy range, in a field emission device or other vacuum electronic device. A g...
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WO/2015/109927A1 |
A magnetron (100) and a magnetron sputtering device, comprising an inner magnetic pole (120) and an outer magnetic pole (130) with opposite polarities. Both the inner magnetic pole (120) and the outer magnetic pole (130) comprise multipl...
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WO/2015/097384A1 |
The present application relates to a microwave wave generator with oscillating virtual cathode, with axial geometry, comprising at least one first reflector (F1) positioned in a cylindrical waveguide (105) downstream of a thin anode (104...
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WO/2015/067467A1 |
A free electron laser comprising: an electron source (21), a linear accelerator (22), an undulator (26), electron beam optics and a deceleration unit (28'). The electron source is operable to produce a bunched electron beam. The linear a...
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WO/2015/063519A1 |
The present invention is a rectangular waveguide (100) providing amplification of an electromagnetic wave via interaction with an electron beam (107) in a channel defined by two parallel rows of alternately provided substantially identic...
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WO/2015/034949A1 |
A microwave energy tool including a sheet beam klystron (101) that includes a tube body (107) for carrying an electron sheet beam that has a plurality of cavities (113) and a magnetic solenoid (019) wound directly on the tube body (107).
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WO/2015/018925A1 |
The invention relates to a magnetic field generation apparatus (2) for a magnetron (1) comprising a permanent magnet arrangement (4) and a magnetic field conductor device (6). The magnetic field conducting device (6) has a diverting elem...
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WO/2014/134595A2 |
A 4G magnetron is disclosed. The magnetron may include an anode, comprising a cylindrical member and anode vanes disposed within the cylindrical member which define resonant cavities therebetween, and a dispenser cathode, suitable for he...
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