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WO/1989/010000A2 |
A high-power microwave/mm-wave oscillator is filled with an ionizable gas at a pressure of about 1-20 mTorr, into which an electron beam (34) is injected at a high current density of at least about 1 amp/cm2, but typically 50-100 A/cm2. ...
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WO1989010000A1 |
Un oscillateur de micro-ondes/mm-ondes de haute puissance est rempli d'un gaz ionisable sous une pression comprise entre 1 et 20 mTorr environ dans lequel est injecté un faisceau électronique (34) à une intensité élevée de courant ...
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WO/1989/010002A1 |
A plasma wave tube is described in which a pair of counterpropagating electron beams (6, 8) are injected into a waveguide housing (2) in which a plasma is formed, preferably by an array of fine wire anodes (4). The electron beams couple ...
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WO/1989/010001A2 |
A plasma wave tube and associated operating method are described in which a pair of cold-cathode electron beam generators discharge counterpropagating electron beams (2, 4) into an ionizable gas, preferably hydrogen or a noble gas, withi...
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WO/1989/006869A1 |
The transformer is arranged between a source of electromagnetic waves (3), operating in a frequency band, and a wave guide (2) transmitting the power or energy. Said wave guide (2) is energized by the electromagnetic wave source (3) in a...
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WO/1989/006445A1 |
Multipactor device (10) has a waveguide bandpass filter structure (14) including a plurality of spaced pairs of opposing electrodes (16, 18) defining respective gaps therebetween in which multipactor action can occur in response to input...
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WO/1986/001032A1 |
An electron gun (10) that suppresses the non-linear space charge forces and phase-dependant focusing forces that are chiefly responsible for the high emittance of conventional electron guns. The gun comprises a resonant microwave cavity ...
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WO/1985/000074A1 |
A cathode/grid assembly for effecting a dual power mode electron gun for use with a travelling wave tube. The conventional "shadow grid" (210) is both electrically and mechanically isolated from the cathode (100). A variable voltage sour...
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WO/1980/002621A1 |
The device comprises a means (1) for forming a charge-particle beam, and, located coaxially and consecutively along the beam, an accelerating tube (2) for imparting to the beam speeds close to the light speed, a deflecting system (4) for...
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WO/1980/001622A1 |
An amplifying klystron with a coaxial energy outlet has an output resonator with a coupling gap and passive resonators constituting a filter system. A case (7) with short-circuiting bars (8, 9) is mounted coaxially outside the output res...
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WO/1980/001332A1 |
A method of correction of phase shift in an multi-cavity klystron consisting in partial branching-off the signals from the output and intermediate resonators (4) and (3) of the klystron (1), adding up the branched off signals, their ampl...
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JP2019029154A |
[Subject] An electromagnetic wave generator which can be made to generate an electromagnetic pulse of many repetition is obtained. [Means for Solution] A vacuum vessel maintained at a degree of vacuum which has a transmission window whic...
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JPWO2017154987A1 |
The present invention provides the slow wave circuit which secures the wide range zone in a fold-up waveguide. A slow wave circuit is provided with a fold-up waveguide and a beam hole. A beam hole is arranged between the center in the cr...
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JP2018535512A |
The present invention relates to a multi-beam guidance output pipe amplifier containing an output cave (34) and a plurality of electron guns (11, 21) which had it meant that each emitted an electron beam (12, 22) which passes through an ...
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JPWO2017104680A1 |
The slow wave circuit and traveling-wave tube which were suitable for processing detailed-ization of the beam hole, and suitable for high frequency-ization are provided. The section shape of a direction perpendicular to the longitudinal ...
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JP6340163B2 |
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JP6282811B2 |
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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 |
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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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JP2014032958A |
To provide a plasma light emitting device with improved total luminous flux and light emitting efficiency.A plasma light emitting device 1 in an embodiment comprises: an electromagnetic wave generator 2; a waveguide 4 for transmitting el...
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JP2013533598A |
The present invention relates to the Dynatron tube (22, 99, 130) and a device (10, 40, 60, 105, 150) for generating electromagnetic THz radiation which has an oscillator (26, 47, 66, 194, 196). The Dynatron tube (22) is a source of an el...
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JP2013161794A |
To provide an electromagnetic wave oscillator with multiple tunnels and an electromagnetic wave generation device including the electromagnetic wave oscillator.There are provided an electromagnetic wave oscillator with multiple tunnels a...
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JP5204939B2 |
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JP5130519B2 |
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JP5131905B2 |
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JP5102874B2 |
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JP5073140B2 |
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JP5007008B2 |
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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 |
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JP4886071B2 |
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JP4827355B2 |
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JP4774181B2 |
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JP4690036B2 |
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JP4670027B2 |
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JP4617420B2 |
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JP4584147B2 |
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JP2010232072A |
To provide a microwave transmitting window frame capable of preventing corrosion of a metal portion and having high cooling efficiency. A microwave transmitting window structure provided with: a flat-plate shaped dielectric disc 21 havin...
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JP2010192353A |
To provide an electron tube capable of effectively discharging a gas generated from an electron gun side and a collector side without having a complicated structure and suitably restraining electric discharge in the tube and variation of...
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JP2010526417A |
[Subject] In order to control the electron beam in a beam collector, distribution control of excitation electric power is performed. [Means for Solution] It is the collector sweep method for controlling electron beam 1 in beam collector ...
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JP4499093B2 |
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JP4494735B2 |
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