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JPS6448853U |
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JPH0115981B2 |
An electron tube comprises an evacuated envelope including an anode forming a section of the envelope and a plurality of alternatively-disposed metallic and insulating annular members. The anode includes an anode ring having a plurality ...
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JPS6435832A |
PURPOSE: To improve the stability of operation by making the electric field strength of the drift space of a circuit separator different from the electric field strength in the interaction space region of a low-speed wave circuit by at l...
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JPS6427142A |
PURPOSE: To emit electromagnetic waves oscillated in a resonator to outside thereof effectively by furnishing a straight string of slots at either or both of the two mirrors constituting an optical resonator. CONSTITUTION: A resonator 2 ...
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JPS6420702A |
PURPOSE: To tune a resonance frequency over a wide frequency band by changing an interaction frequency of a delay line stepwise with a cavity resonance frequency. CONSTITUTION: An inductor L1 is formed by an area formed by walls 11, 12 o...
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JPS6419649A |
PURPOSE: To make it possible to obtain a gyrotron capable of large power and high frequency oscillation by making a cylindrical resonant cavity in the constitution where ring-shaped superconductive line materials are arranged in the laye...
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JPS6362859B2 |
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JPS63246906A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPS6351403B2 |
The disclosure relates to a light modulated electron beam driven radiofrequency emitter. Pulses of light impinge on a photoemissive device which generates an electron beam having the pulse characteristics of the light. The electron beam ...
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JPS63245844A |
PURPOSE: To obtain high-frequency large power by replacing a conventional hollow resonator by a solid coaxial resonator as a resonator in which electron beam energy is converted into electromagnetic wave energy. CONSTITUTION: A resonator...
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JPS6348380B2 |
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JPS6341181B2 |
An improved slow wave circuit especially useful in backward wave oscillators includes a slow wave circuit (10) in a waveguide (12) as shown in Fig. 1. The slow wave circuit is comprised of rings (11) disposed between and attaches to resp...
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JPS63181239A |
PURPOSE: To stabilize the oscillation of a magnetron by specifying the distribution of the electron current emitted from the cathode surface of an inter-digital type magnetron and specifying a thermal electron emitting film. CONSTITUTION...
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JPS6326881Y2 |
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JPS6336103B2 |
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JPS63131440A |
PURPOSE: To steadily generate a high-power electromagnetic beam with high efficiency by providing cooling agent passages among slots so that a mirror with a train of slots can be uniformly cooled. CONSTITUTION: Since a mirror 9 generates...
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JPS63128523A |
PURPOSE: To obtain an electromagnetic wave beam having a high efficiency and a large output without oscillation of the electromagnetic wave of an unnecessary mode on the inside of a resonator by providing an annulus ring spacer or a wall...
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JPS63128521A |
PURPOSE: To make heating of plasma etc., with an electromagnetic wave beam of a large output generated by making a differential exhaust of a gyrotron device with an orifice provided on the inside of a transmission part and a vacuum exhau...
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JPS63128522A |
PURPOSE: To make an adjustment between a magnetic axis of a superconducting magnet and a gyrotron oscillating tube axis without using a corrective magnetic field coil by provoding a mechanism adjusting an insert angle of the gyrotron osc...
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JPS63128524A |
PURPOSE: To prevent a local heating of an insulation oil and a deterioration of the insulation oil or a damage of the cryostat by tilting the under surface of the cryostat so as to project an ordinary temperature space side for inserting...
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JPS63126142A |
PURPOSE: To prevent deterioration of an insulating oil heated by an electron gun of a gyrotron oscillating tube so as to enable long time operation by providing a cooling plate able to let a cooling medium flow to a socket. CONSTITUTION:...
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JPS63121233A |
PURPOSE: To obtain a self-actuated rotor via the repulsion of lines of magnetic force and make a commutator and a brush unnecessary when utilizing a spherical magnetron electron cell as the rotor by fitting the disk-shaped rotor in the m...
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JPS6319064B2 |
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JPS6377378A |
A power supply for helix and collector electrodes of a traveling wave tube is driven by an AC power source having a frequency of at least 500 KHz. The helix supply includes plural, stacked voltage doubler AC to DC modules responsive to t...
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JPS6311632B2 |
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JPS6334838A |
PURPOSE: To eliminate the trouble of the electromagnetic wave reflection and to obtain an oscillation property of a designed value, by making one of two dielectrics comprising the window for a gyrotron tube transferrable. CONSTITUTION: A...
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JPS6332834A |
PURPOSE: To prevent positive ions generated in a collector from flowing in a MIG and an output window so that long-pulse and continuous operations can be performed, by interposing insulated metallic cylindrical electrodes between a high-...
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JPS6332833A |
PURPOSE: To suppress discharge breakdown between an control electrode and a body in a gyrotron oscillating tube, by connecting an output of a potentiometer with an inductor and by connecting an output of the inductor with the control ele...
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JPS6326371A |
PURPOSE: To easily obtain a tubular member having superior heat conductivity by placing a heating element in a tube and forming diamond on the inner surface of the tube by the thermal decomposition of a reactive gas. CONSTITUTION: A heat...
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JPS634309B2 |
Oscillations due to backward waves in a high-power traveling-wave tube (TWT) are inhibited by a non-reciprocal attenuating device which essentially absorbs only backward waves. A directional coupler mediates the exchange of energy betwee...
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JPS6312146U |
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JPS6313235A |
PURPOSE: To lessen an amount of shift of an antenna lead, by forming a flat part beforehand on a part of antenna lead around which a metal exhaust pipe is fitted, and squashing the pipe for vacuum sealing and cutting in the lateral direc...
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JPS6313236A |
PURPOSE: To decrease leakage of millimeter wave, by providing the plural number of micro gaps on the wall of a transmission circuit located between a high frequency resonance circuit and an output window, in a direction of crossing a tub...
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JPS636726A |
PURPOSE: To attenuate microwave components coming back as electromagnetic waves to prevent a needless oscillation and perform stable amplifying operation, by forming a circuit separator surface facing to a cathode with a material having ...
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JPS636725A |
PURPOSE: To suppress electron beams' impacts on an output window so as to improve reliability, by interposing a circular waveguide bend between the collector part and the output window part so that the output window part is not viewed fr...
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JPS62295335A |
PURPOSE: To make it possible to restrict the electromagnetic energy leaking to a reflection electrode base side even in a high oscillation frequency, by installing at the reflection electrode a flange with a potential same as that of the...
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JPS62290040A |
PURPOSE: To enable electromagnetic wave beams of high frequency and high output power applicable to plasma heating of a nuclear fusion apparatus, to be generated to be generated efficiency by providing a magnetic field changing means in ...
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JPS62290041A |
PURPOSE: To enable electromagnetic wave beams of high frequency and high output power applicable to plasma heating of a nuclear fusion apparatus, to be generated nat a high efficiency by changing the width of radial slots along the slots...
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JPS62278732A |
PURPOSE: To obtain good high-frequency output power low in a mode mixture rate of out-put, by setting up a sweep coil on the circumference of a collector part, between a main coil an output aperture side cancel coil within the repercussi...
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JPS62276734A |
PURPOSE: To enable accurate measurement of respective current and voltage values of a microwave oscillator, and effective protection of the microwave oscillator from abnormal condition by providing a means to isolate the casing of the mi...
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JPS62272423A |
PURPOSE: To miniaturize a magnetron by arranging dielectric substances between vanes or interdigital type combs. CONSTITUTION: Plural vanes 12 are provided inside an anode 11 and a cathode is arranged in the center shaft. Then, dielectri...
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JPS6256621B2 |
In the electron path of the klystron tube assembly (20), a magnetic flux is formed by the magnetic coil assembly (21). To diverge the magnetic flux, a magnetic member (51) is provided on the outer periphery of the drift tube (37) located...
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JPS62262343A |
PURPOSE: To reduce the evaporation amount of the liquid helium and to improve the efficiency, by furnishing at least either a heat insulating material layer or a heat insulating space layer at the inner wall of a cryostat, in the device ...
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JPS6254229B2 |
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JPS62241239A |
PURPOSE: To reduce the generation of unrequired microwaves by setting the magnetic field intensity in a space region demarcated by a circuit separator and the cathode surface facing said separator below 90% of the magnetic field intensit...
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JPS62229639A |
PURPOSE: To improve conversion efficiency and stabilize oscillation frequency by equipping a device extracting unnecessary microwave energy contained in the feedback electron current out of a cross electromagnetic field amplifier tube CF...
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JPS62158745U |
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JPS62226539A |
PURPOSE: To suppress the absoption of a π mode of a wave absorber, by metalizing the ceramic wave absorber on a contact surface with a pole piece, while also metalizing a partial range of the surface at the interaction space side. CONST...
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JPS62226540A |
PURPOSE: To make an unnecessary microwave attenuable, by installing a silt to be opened on a surface at the electron flow side of a circuit separator, a resonator making this slit an inlet and a microwave absorber having a dielectric con...
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JPS62222542A |
PURPOSE: To make it possible to decide the level of concentricity of an anode vane and a filament cathode of a magnetron, by applying a specific anode voltage to the completed magnetron, detecting the cathode current at the time, and dec...
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