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JPH06162942A |
PURPOSE: To provide a gyrotron power supply device having the capability of restraining the fluctuation of beam voltage and ensuring the stable operation of a gyrotron tube. CONSTITUTION: A resistor 90 connected between the cathode 5 and...
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JPH06150839A |
PURPOSE: To provide a wide band klystron output circuit with less loss. CONSTITUTION: A circuit outputs RF electromagnetic wave energy by the interaction with modulated electron beams, and contains a plurality of straight arranged caviti...
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JPH06131985A |
PURPOSE: To conduct an electromagnetic wave into a collector with less power loss by converting the direction of electron beams into the large collector through a gap within a wave guide. CONSTITUTION: The region 30 of a wave guide 20' b...
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JPH0628138B2 |
The cathode and tube of this invention comprise a secondary emission semiconductor cathode in a crossed-field high power amplifier. A gallium arsenide semiconductor doped with an impurity to make it more conductive than intrinsic gallium...
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JPH0684474A |
PURPOSE: To provide an electron beam device to improve function efficiency at a technically marginal cost and to enhance reliability and safety. CONSTITUTION: A collector 4 includes several collector stages 6 arranged back and forth in a...
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JPH0628982A |
PURPOSE: To provide a mode converter for an electron tube easily manufacturable and with less loss in the high frequency range and also provide a power splitter device. CONSTITUTION: A tube includes a cavity 2 in the form of a rotor arou...
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JPH0625850A |
PURPOSE: To improve the uniformity of discharge plating by a target in a discharge plating device having magnets on the rear surface of the target by detecting the eroding recessed parts of the target with acoustic sensors and controllin...
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JPH0612992A |
PURPOSE: To provide a gyrotron device possible to sufficiently cope with changing into high output and long pulse by reducing a thermal load in an output window. CONSTITUTION: A gyrotron device comprises an electron gun part 1 for genera...
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JPH0613822A |
PURPOSE: To prevent an electron beam from turning back along a klystron by generating magnetic fields in an area between resonant cavities and collectors and changing the amplitude of this magnetic field together with a distance in the p...
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JPH065609B2 |
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JPH05335801A |
PURPOSE: To obtain a microwave through-window structure in which the transmission frequency band characteristic of the through-window is easily adjusted. CONSTITUTION: Dielectric-made through-windows 3, 4 provided in waveguides 1, 2 in t...
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JPH05325801A |
PURPOSE: To provide a gyrotron device wherein a spent beam can be collected in a condition possible to minimize a thermal load and further under a condition possible to most contribute to improve overall efficiency. CONSTITUTION: An elec...
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JPH05325805A |
PURPOSE: To suppress secondary electron emission from a cylindrical ceramic internal surface and to prevent insulation decrease relating to adhesion of copper and barium, in an external cavity type klystron. CONSTITUTION: In an external ...
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JPH05325799A |
PURPOSE: To cool a high frequency circuit part and a collector part effectively by emitting heat due to microwave loss generated at a sever part effectively so as to make a microwave absorber smaller. CONSTITUTION: A microwave absorber 9...
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JPH05325806A |
PURPOSE: To prevent a unstable operation while facilitating a method for assembling a helical traveling wave tube provided with a high frequency phase speed adjusting metal in the periphery of a helix. CONSTITUTION: Two dielectric suppor...
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JPH05277722A |
PURPOSE: To provide a material joining method to excellent join different kinds of materials without necessitating fine working and without generating the short circuit. CONSTITUTION: A first metallic material layer 13 is formed by cover...
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JPH0576737B2 |
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JPH05275198A |
PURPOSE: To lessen the spacing between a coil and a beam line. CONSTITUTION: A wiggler is equipped with a pair of yokes 1, 2 arranged oppositely with a certain spacing in between, a plurality of bobbins 4 having a base 4a and a projectio...
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JPH0572693B2 |
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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JPH0569252B2 |
The inner surface of a flange part (6) of a top hat (7) supporting one end of a filament (5) of the cathode (3) is located in a position closer to the interaction space (4) by length (a) within a range of 0.1 to 0.6 mm from first end sur...
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JPH0568819B2 |
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JPH05250999A |
PURPOSE: To prevent abnormal oscillation and reduce parts cost by performing a plating processing with oxygen free copper in which impurity material content is extremely reduced on the surfaces of a hollow anode cylinder and a flat plate...
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JPH05242818A |
PURPOSE: To provide a slow wave structure of a very small traveling wave tube by forming on a base plate layers a segment of conductive material surrounding a hole through which an electron beam passes, and also by forming a spiral to su...
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JPH0559534B2 |
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JPH0557689B2 |
A crossed-field amplifier (10) has permanent magnets (22,23), pole pieces (20,21), a cylindrical anode (12), and a cathode (11) in the form of a water-cooled cylindrical heat sink (34) with radially extending portions (35) having outer f...
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JPH05198267A |
PURPOSE: To lower collector loss and heighten the whole efficiency of an electron tube by inserting and connecting an additional mutually reacting section between a mutually reacting section and an electron capturing apparatus. CONSTITUT...
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JPH05171450A |
PURPOSE: To smoothen the surface of an Mg alloy substrate for a traveling-wave tube and to obtain satisfactory heat conductivity as well as to remove surface defects in Mg alloy stock and to surely coat the surface of the substrate with ...
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JPH0535532B2 |
PURPOSE:To enable suppression of heat generation in a choke coil by specifying diameters of wires which are wound around ferrite magnetic cores in a choke coil. CONSTITUTION:Wires 2a and 2b of 4mm to 1.6mm in diameter are wound around fe...
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JPH05502558A |
There is provided a high performance extended interaction output circuit [EIOC] having two cavities. The EIOC of the present invention has an image impedance which is twice the magnitude of its output load resistance. The EIOC of the pre...
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JPH0594775A |
PURPOSE: To provide a magnetron frequency turning mechanism which is relatively economical and quickly and precisely changes output frequency from a magnetron. CONSTITUTION: A magnetron having radial anode 2 comprises a slot 8 extended i...
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JPH0589789A |
PURPOSE: To provide a gyrotron apparatus wherein the upper limit of the output to be drawn out is hardly limited by the material for the output window. CONSTITUTION: A beam-like electromagnetic wave 8 reflected by a reflector of a reflec...
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JPH0582016A |
PURPOSE: To provide a method and a specialized jig for manufacturing an electron gun for obtaining a high-frequency tube having high quality, which works stably. CONSTITUTION: After assembling an impregnation type cathode 8 and a nose pa...
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JPH0523398U |
[Purpose] It is an object of the present invention to provide a magnetron for a microwave oven which can remarkably prevent leakage of electromagnetic waves and vibration of each lead and can reduce the cost price. [Constitution] A metal...
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JPH0567437A |
PURPOSE: To allow operation with a relatively weak magnetic field and a high microwave frequency by forming a preset angle between the propagation direc tion of microwave which is propagated in a slow-wave circuit and the running directi...
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JPH0520248U |
[Purpose] Prevents the temperature of the output circuit section, which is the high frequency extraction section, from rising, and operates the traveling wave tube in a stable manner. [Constitution] In a satellite-mounted traveling wave ...
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JPH053097B2 |
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JPH04370626A |
PURPOSE: To provide a cathode of a high-frequency radio wave generator which can reduce the unnecessary electron emission. CONSTITUTION: While a nose 7 and a skirt 8 are provided concentrically on both side surfaces of an emission belt 6...
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JPH04368753A |
PURPOSE: To enable an exchange of an cavity resonator and obtain an arbitrary frequency only with the exchange at low cost by joining the cavity resonator and a beam drift part, together with a collector part, by flanges. CONSTITUTION: A...
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JPH04506883A |
Disclosed are apparatus and method for obtaining energy from high electrical charge density entities. The energy may be received by the conductor of a traveling wave device positioned along the path which the propagating entities follow....
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JPH04332435A |
PURPOSE: To provide a gyrotron device wherein reflecting-mirrors and the orbit of a beam are avoided so that an exhaust route for an electron-gun section may be separated from other regions so as to exhaust the gas from each of these reg...
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JPH04332434A |
PURPOSE: To provide a gyrotron device which can be constructed in a compactsize because there is no need to additionally lay any pipe for each of cooling-medium paths even if each mirrors is heated when the gyrotron device is operated by...
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JPH04332433A |
PURPOSE: To guide an electron beam of high quality in a gyrotron by arranging a cooled absorber in the proximity of the front of a quasi-optical element, and by absorbing at least one of strong secondary peaks caused by diffraction. CONS...
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JPH0464131B2 |
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JPH0463498B2 |
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JPH04286837A |
PURPOSE: To correct abnormal distribution of an electric field in the peripheral part of a cathode and smooth emitted electron beam by forming the peripheral part of the cathode of an electron gun of a microwave tube using an electron no...
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JPH04280043A |
PURPOSE: To largely reduce the transfer of the heat generated by a collector section to a focusing magnetic field device section through a case substrate by providing a heat nonconductor between the focusing magnetic field device section...
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JPH0457060B2 |
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JPH0457059B2 |
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JPH04252601A |
PURPOSE: To provide satisfactory transmitting characteristics over a wide fre quency range by tilting a disc to the propagating direction of a microwave so that an angle made by the propagating direction and the normal of the disc can be...
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JPH04101342U |
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