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JP7367450B2 |
To provide a virtual cathode oscillator tube capable of achieving more higher output efficiency of electromagnetic waves, and an electromagnetic wave generation method using the virtual cathode oscillator tube.A virtual cathode oscillato...
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JP7362355B2 |
To provide an alumina component for a magnetron that forms a uniform plating layer on a metallized layer formed on a terminal portion and a ring portion.In a magnetron ceramic component in which a terminal portion metallized layer and a ...
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JP7324955B1 |
Kind Code: A1 An industrial magnetron capable of effectively cooling an anode cylinder and a magnet, suppressing deterioration in performance and failure of the anode cylinder and continuously operating the industrial magnetron, and the ...
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JP7324954B1 |
Kind Code: A1 An industrial magnetron and a method for manufacturing an industrial magnetron are provided that can sufficiently cool an anode cylinder even if the amount of heat generated by the anode cylinder increases, thereby suppress...
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JP7272778B2 |
A folded-waveguide slow-wave structure equipped with an internal load, includes a central plate comprising a rectilinear beam tunnel of same direction as the longitudinal axis of the central plate, and a serpentine-shaped folded slit hav...
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JP2023059242A |
To provide an electronic system equipped with a heat-transport fluid cooling circuit.An electronic system comprises: an external jacket (11); a wall (12) of an internal cavity (13) that is to be cooled; at least one fixed connection fixi...
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JP7255920B2 |
There are provided a microwave tube that can contribute to keeping the high frequency output of the microwave tube constant for a long period of time without complex structure or adjustment and a method for controlling the same. The micr...
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JP7240263B2 |
To provide an electromagnet for magnetron capable of preventing destabilization of magnetic force level due to rise of temperature of winding and magnetic poles during operation.An electromagnet for magnetron includes a core 2 formed of ...
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JP7179831B2 |
Embodiments include a vacuum device, comprising: an enclosure configured to enclose a vacuum, comprising an external base forming at least a portion of the enclosure; an internal base within the enclosure; and at least one thermal dissip...
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JP2022121762A |
To provide an electromagnetic wave amplifier which does not require a container for keeping the inside vacuum, which is essential in a conventional signal amplification portion such as a gyrotron.An electromagnetic wave amplifier accordi...
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JP7091231B2 |
To provide a microwave tube and a manufacturing method thereof that can reduce a manufacturing time.A microwave tube includes a first pipe portion having an inner wall surrounding a cavity and an outer wall opposite to the inner wall. Th...
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JP7089325B2 |
To provide a klystron improving an output conversion efficiency.A klystron 10 comprises: a klystron main body 11; and a focus magnetic field device 12. The klystron main body 11 comprises: an electron gun 15 generating an electron beam; ...
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JP7025816B2 |
To provide a manufacturing method of a cathode for an electron tube equipped with a cathode sleeve that absorbs radiant heat from a heater efficiently.A manufacturing method of a cathode for an electron tube includes a step of forming a ...
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JP7011370B2 |
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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JP6992206B1 |
To provide a predetermined number of refrigerant flow paths in which a refrigerant orbits an anode cylinder and a connection flow path connecting the refrigerant flow paths inside the cooling block for cooling a high-power industrial mag...
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JP6879614B2 |
A slow-wave circuit comprises: a waveguide comprising a meander-shaped part that transmits an electromagnetic wave and alternately repeats a first folded part and a second folded part folded onto the opposite side to the first folded par...
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JP2020166935A |
To provide a delay circuit which can be finely processed with high precision through simplified processes, a traveling-wave tube and a method of manufacturing the delay circuit.A delay circuit 10 comprises a beam hole 16 which transmits ...
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JP6737881B2 |
A multibeam-inductive-output-tube amplifier comprises an output cavity and a plurality of electron guns each intended to emit an electron beam through the output cavity, each electron gun comprising a cathode intended to emit the electro...
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JP6723043B2 |
To provide a magnetron capable of effectively suppressing a plurality of higher harmonic wave components with a simple configuration. A magnetron 1 is designed so that: a choke part 60 consisting of a first choke 30 and a second choke 32...
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JP6648901B2 |
A slow-wave circuit is provided with a folded waveguide and a beam hole. The beam hole is arranged between an edge and a center in the direction of width of the folded waveguide. The beam hole is preferably arranged at an edge in the dir...
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JP6619447B2 |
Provided are a slow wave circuit and a traveling wave tube suitable for an increase in fineness with regard to processing beam holes, and suitable for higher frequencies. A slow wave circuit (10) includes a meandering waveguide (1) and a...
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JP6591134B2 |
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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JP2019175769A |
To obtain a traveling wave tube reducing stress on a waveguide part and using a vacuum envelope in which the waveguide part has excellent accuracy, and also to provide a manufacturing method thereof.Disclosed is a traveling wave tube equ...
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JP6569704B2 |
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JP6340163B2 |
Electromagnetic wave oscillators each having a multi-tunnel and electromagnetic wave generating apparatuses including the electromagnetic wave oscillators are provided. The electromagnetic wave oscillator includes: a first waveguide (130...
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JP6282811B2 |
A plasma emission device 1 in an embodiment includes: an electromagnetic wave generator 2; a waveguide 4 that transmits an electromagnetic wave emitted from the electromagnetic wave generator 2; an antenna 5 that receives the electromagn...
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JP2017076575A |
To provide a gyrotron capable of preventing a hose from being disordered and suppressing leakage of RF.A gyrotron comprises a main body, a collector, an insulator, a hose 31, and a support 32. The main body is provided with an electron g...
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JP2017054699A |
To provide an electromagnetic wave generation device which is advantageous for downsizing, and a method therefor.An electron bunch 11 emitted from an electron gun 14 is tilted by a high frequency deflection cavity 16 and made incident to...
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JP2016225214A |
To provide a high frequency input coupler in which corrosion caused by liquid coolant can be suppressed.The high frequency input coupler is provided that comprises: a ceramic window member which is disc-shaped and in which a circular ope...
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JP2016207379A |
To provide an electron gun capable of suppressing discharge of ineffective electronic components.An electron gun 13 includes a cathode 30, a cathode support cylinder 31, a cover 47, a support base 33 and a thermal expansion adjustment se...
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JP2016115580A |
To provide an electron tube opening device which reduces labor of an operator and regenerates an electron tube in a well-finished manner.An electron tube opening device 20 cuts off a welding part 18 provided around an electron tube 10 to...
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JP2016031424A |
To provide a drive mechanism of a mirror in a vacuum vessel capable of eliminating the need for operation of releasing and fastening of a large number of pairs of bolts and nuts, facilitating the positioning and the adjustment of the mir...
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JP5864570B2 |
The invention relates to a device (10, 40, 60,150) for generating electromagnetic THz radiation with free electron beams (54, 56, 78,190,192), comprising a dynatron tube (22), where the dynatron tube (22) comprises an electron source (12...
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JP2015145802A |
To enable the consumption state of an electronic tube, even the one used for a compact radar, to be accurately detected without causing oscillation failure, and to make the economical use of the electronic tube possible by grasping its r...
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JP2015141777A |
To provide a gyrotron collector capable of preventing deformation.A gyrotron collector 20 includes a collector body 24 and a reinforcement part 32. The collector body 24 is so formed so that one end in an axial direction is open and the ...
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JP5675596B2 |
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JP5204939B2 |
A magnetron has an output comprising a coaxial line (15) which transmits energy from a wanted oscillator mode as a first coaxial waveguide mode and energy from an unwanted oscillator mode as a second cylindrical waveguide mode. Energy in...
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JP5130519B2 |
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JP5131905B2 |
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JP5102874B2 |
A collector sweeping method for controlling an electron beam in a beam collector, in particular of a magnetic gyrotron device, comprises the steps of subjecting the electron beam to a transversal sweeping field having a field component p...
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JP5073140B2 |
A magnetron arrangement has a coaxial output terminating in a probe which launches energy from the magnetron along a rectangular waveguide. The coaxial output is arranged in an endfire configuration with respect to the waveguide, giving ...
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JP5007008B2 |
In a magnetron anode, an anode surrounds a central cathode. The anode is of a segmented structure having a plurality of annular segments stacked together along its length. Each annular segment includes a strap, the strap being distribute...
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JP2012151068A |
To solve the problem of a conventional gyrotron tube, in which when the conventional gyrotron tube is horizontally placed by being fixed at only one place in a mounting flange, concentricity between the gyrotron tube and a magnetic field...
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JP4970697B2 |
An optical magnetron is provided which includes a cylindrical cathode having a radius rc, and an annular-shaped anode having a radius ra and coaxially aligned with the cathode to define an anode-cathode space having a width wa=ra-rc. The...
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JP4886071B2 |
In various representative aspects, the present invention provides systems and methods for waveguides. A waveguide may comprise a housing and a plurality of reflective surfaces configured to couple to the housing. The housing may be confi...
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JP4827355B2 |
An RF transmitter, such as a radar transmitter or a communications amplifier, is provided that includes a plurality of RF power tube sections each sharing a common collector. The RF tube sections may comprise Klystron tubes, TWT tubes or...
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JP4774181B2 |
A magnetron includes a decoupling plate located between the end hat of the magnetron cathode and an output coupling member. The use of the decoupling plate presents a high impedance and gives a resonant circuit which is arranged to be re...
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JP4690036B2 |
Axially symmetric magnetic fields are provided about the longitudinal axis of each beam of a multi-beam electron beam device. The magnetic field symmetry is independent of beam voltage, beam current and applied magnetic field strength. A...
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JP4670027B2 |
A magnetron has an anode cylinder, a plurality of vanes extending radially inwardly from the anode cylinder, a cathode filament extending along a center axis of the anode cylinder, an output section including an antenna coupled to one of...
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JP4617420B2 |
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