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WO/2012/008580 |
Disclosed is an end hat for magnetrons which is constituted of sintered Mo, characterized in that the surface area ranging from the surface of the sintered Mo to a depth of 100 µm therefrom has a carbon content of 30 ppm or less and the...
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WO/2011/144918 |
A high power electron tube, such as a magnetron, has the disadvantage that, to reduce the chances of the ceramic RF window failing in use, the manufacturing step entails a prolonged ageing period of powering the magnetron at low power on...
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WO/2011/136282 |
Disclosed is an end hat for a magnetron, wherein an end hat composed of a Mo sintered compact is integrally connected to a Mo-Ru brazing filler metal. A diffusion region having a thickness of 5 µm or more, wherein Ru extracted from the ...
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WO/2011/120995 |
The thermal control device for radiative dissipation equipment comprises: first means, for capturing at least some of the radiation emitted by the dissipative equipment within at least one predetermined wavelength range of the infrared s...
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WO/2011/120981 |
The invention relates to a device for controlling the temperature of an apparatus for dissipating heat by means of radiation, comprising means for reversibly filtering a portion, included between two predetermined end values, of the radi...
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WO/2011/117654 |
A magnetron has an anode (1) and a cathode indicated generally by the reference numeral (2), in which the cathode includes two parts joined by sleeves (11, 12) of ferrous alloy spaced by a sleeve (13) of insulating material, the ferrous ...
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WO/2011/111395 |
Disclosed are a magnetron and a microwave-using device which does not reduce the cooling effect of heat being conducted to heat dissipation fins, and which is capable of improving the cooling efficiency of the magnetron. The disclosed ma...
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WO/2011/111396 |
An anode cylinder and a permanent magnet are efficiently cooled, and the size of a cooling member is prevented from increasing while reducing the variation in the cooling properties for cooling the permanent magnet. Disclosed is a magnet...
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WO/2011/110555 |
The invention relates to a travelling-wave tube (5) of the type including a radiating collector, in which the tube (5) comprises a collector (6) that extends externally beyond the walls (2, 3) of a device placed in a high-vacuum environm...
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WO/2011/106641 |
A method is described wherein a beam of charged particles is confined to an orbit within a compact region of space as it is accelerated across a wide range of energies. This confinement is achieved using a non-scaling magnetic field base...
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WO/2011/096890 |
A planar helix slow-wave structure with straight edge connections where the structure consists of two arrays of thin, parallel, conductors printed on top and bottom faces of a low-loss dielectric material or substrate, the conductors in ...
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WO/2011/067776 |
A circuit for compensating gain variation of the RF/microwave system over its operating frequency and/or temperature range comprises a ground line (13), and a main transmission line (12) that is configured with a set of ports at both end...
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WO/2011/065027 |
Disclosed is a magnetron wherein electrical discharges are prevented from occurring outside the vacuum-sealed space within the portions of the configuration of the magnetron that are formed of a wax portion and a metalized portion. The m...
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WO/2011/065030 |
Disclosed is a magnetron whereupon, when the radiator fins are viewed from the direction of the flow of the magnetron cooling medium, a region is formed wherein radiator fins are sparse and a region is formed wherein radiator fins are cl...
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WO/2011/063787 |
The invention relates to an RF process energy supply (1) having an output impedance (10) for connecting to a plasma excitation arrangement (5) having a dynamic plasma impedance (6), the RF process energy supply comprising: a connection (...
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WO/2011/058360 |
An isolation transformer for a cathode heater supply for a microwave source has a first U- shaped secondary winding (421), comprising two parallel leg portions joined at one end thereof by a bridging portion. A primary winding (422) is l...
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WO/2011/058361 |
A high frequency cathode heater supply for a microwave source includes a SMPS inverter (13) and an isolation transformer (12) having a primary winding (122) arranged to be powered by the SMPS inverter, a monitor winding (123) passing thr...
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WO/2011/037497 |
The invention relates to a device for generation of microwaves comprising a coaxial virtual cathode oscillator (1) with an outer cylindrical tube forming a cathode (2) and connected to a transmission line (8) for feeding the cathode (2) ...
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WO/2011/037498 |
The invention relates to a device for generation of microwaves comprising a virtual cathode oscillator (1) in a coaxial embodiment with an outer cylindrical tube forming a cathode (2) and connected to a transmission line (14) for feeding...
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WO/2011/022643 |
A crossed field device (10, 110, 210, 310, 410), such as a magnetron or crossed field amplifier, that includes a cathode (12, 112, 212, 312, 412), an anode (14, 114, 214, 314, 414), one or more magnetic elements (16, 116, 316), and one o...
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WO/2011/022643 |
A crossed field device (10, 110, 210, 310, 410), such as a magnetron or crossed field amplifier, that includes a cathode (12, 112, 212, 312, 412), an anode (14, 114, 214, 314, 414), one or more magnetic elements (16, 116, 316), and one o...
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WO/2011/021802 |
The present invention relates to an electron beam generating apparatus capable of reducing the emittance of an electron beam. For this purpose, the electron beam generating apparatus according to the present invention comprises: a housin...
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WO/2011/021802 |
The present invention relates to an electron beam generating apparatus capable of reducing the emittance of an electron beam. For this purpose, the electron beam generating apparatus according to the present invention comprises: a housin...
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WO/2011/006588 |
The invention relates to a device for preventing parasitic oscillations in electron beam tubes, comprising a beam tunnel (2) having a static magnetic field present in an axial manner and ceramic and metal rings (12, 13) arranged in an al...
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WO/2010/129657 |
A RF generator includes a structure having an input section, an output section, and an opening extending between the input section and the output section, wherein the output section has a first cavity and a second cavity, and wherein the...
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WO/2010/103028 |
The invention comprises an interaction tip for a power RF cavity comprising at least one opening (83) for the passage of an electron beam along an axis XX'. The interaction tip comprises a body (70) having two interlocked cylindrical ele...
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WO/2010/097882 |
A magnetron (1) comprises an anode cylinder (11) which is formed into a cylindrical shape with the open opposite ends and on the inner wall surface of which a plurality of vanes (17) are radially arranged, a cathode body structure (18) a...
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WO/2010/097881 |
A magnetron (1) comprises an anode cylinder (11) which is formed into a cylindrical shape with the open opposite ends and on the inner wall surface of which a plurality of vanes (21) are radially arranged, a pair of magnetic poles (12, 1...
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WO/2010/073564 |
Provided is a magnetron wherein deformation of a cathode-side bypass for axis alignment of a cathode filament is kept and no axis alignment is needed in an exterior assembly of the magnetron. The magnetron comprises an anode cylinder (11...
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WO/2010/061565 |
Provided are a magnetron capable of suppressing generation of a reactive current and noise to thereby improve the oscillation efficiency, and a device using microwaves equipped with the magnetron. The magnetron comprises: an anode cylin...
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WO/2010/056396 |
A system includes a collimated beam source within a vacuum chamber, a condensable barrier gas, cooling material, a pump, and isolation chambers cooled by the cooling material to condense the barrier gas. Pressure levels of each isolation...
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WO/2010/045955 |
The present invention discloses an apparatus comprising an enclosure (10) suitable for forming a vacuum therein and means for at least partially suppressing the multipacting effect when a RF or microwave electromagnetic field is generate...
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WO/2010/031655 |
The invention relates to an electronic tube that comprises: a microwave structure (10, 30) having a housing (12, 32) under vacuum and having two ends, the microwave structure being subjected to a reference potential (M); an electron cano...
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WO/2010/032772 |
It is possible to obtain a cathode body which can maintain a long service life even when a large current has flown. Provided is a magnetron cathode body including as a base material, a metal of a high melting point having an electron em...
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WO/2009/149291 |
Various embodiments of a coupled cavity traveling wave tube are disclosed herein. For example, some embodiments provide a coupled cavity traveling wave tube including a plurality of core segments arranged in spaced-apart fashion to form ...
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WO/2009/149291 |
Various embodiments of a coupled cavity traveling wave tube are disclosed herein. For example, some embodiments provide a coupled cavity traveling wave tube including a plurality of core segments arranged in spaced-apart fashion to form ...
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WO/2009/136832 |
The invention relates to a device for the generation of microwaves, comprising a virtual cathode oscillator (1) in coaxial construction having an outer substantially cylindrical tube constituting a cathode (2) and connected to a transmis...
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WO/2009/115083 |
The invention relates to a RF component having a reduced multipactor effect, and to a method for reducing the multipactor effect in RF components.
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WO/2009/115083 |
The invention relates to a RF component having a reduced multipactor effect, and to a method for reducing the multipactor effect in RF components.
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WO/2009/102358 |
An arc detection system for a plasma generation system includes a radio frequency (RF) sensor that generates first and second signals based on a respective electrical properties of (RF) power that is in communication with a plasma chambe...
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WO/2009/089302 |
A grid component (20) for use with a vacuum electron device (VED), such as an inductive output tube (IOT), includes a skirt (2S) that adds structural support and aids in alignment. The grid component has a dome (22) in which a grid patte...
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WO/2009/083215 |
The invention relates to the cooling of an electronic tube such as an IOT for amplifying a high frequency signal. The electronic tube includes an electron gun, a resonance cavity and a collector, the electron gun generating an electron b...
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WO/2009/079538 |
In general, the present invention relates to methods and apparatuses that achieve high gas flow rates through the use of an electrostatic pump. According to some aspects, the present invention relates to additional, auxiliary electrodes ...
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WO/2009/077407 |
The invention relates to a microwave structure for a microwave tube, that comprises a vacuumed cylindrical envelope (60) and a device for confining an electron beam in the revolution axis ZZ' of the cylindrical envelope. The confinement ...
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WO/2009/057239 |
Disclosed is a soldering material mainly composed of Mo, which does not use Ru that is a rare metal. Specifically disclosed is a soldering material (26, 27) which is composed of 1-3.5 wt% of C, 1-3.5 wt% of B and the balance of Mo.
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WO/2009/039128 |
According to one embodiment, a two-phase cooling system (10) includes a condensing heat exchanger (24) fluidly coupled to an evaporator assembly (18A) and a pressure controller (28). The condensing heat exchanger condenses a coolant from...
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WO/2009/038279 |
The microwave signal generator includesa magnetron generating microwave signal. A filter filters a signal that may be a signal of the intrinsic oscillation frequency band of the magnetron, whichis fed-back to the magnetron.
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WO/2009/037203 |
The invention relates to an ion accelerator arrangement comprising an ionization chamber which is surrounded by a chamber wall and a magnetic arrangement that is disposed outside the chamber wall. Steps are taken to dissipate lost heat o...
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WO/2009/014334 |
The present invention relates to a magnetron in which choke coils are disposed to be spaced from an insulator protruded at a lower portion of a yoke, at least one area of the choke coils is disposed above a lower surface of the insulator...
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WO/2009/014334 |
The present invention relates to a magnetron in which choke coils are disposed to be spaced from an insulator protruded at a lower portion of a yoke, at least one area of the choke coils is disposed above a lower surface of the insulator...
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