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Matches 1 - 50 out of 10,666

Document Document Title
WO/2021/066925A1
A microwave magnetron includes a cathode for emitting electrons, a filament for receiving a filament current to heat the cathode to enable to cathode to emit the electrons, and an anode to which anodic power can be applied to affect a fl...  
WO/2020/231008A1
The present invention relates to a high power magnetron comprising an asymmetric tuner unit, the high power magnetron comprising: a diode comprising a cathode and an anode; and a plurality of tuner units for varying the electrical field ...  
WO/2020/150664A1
A method includes simulating diffraction in a transmission geometry of relativistic electron bunches from a crystallographic structure of a crystal thereby simulating diffraction of the relativistic electron bunches into a plurality of B...  
WO/2020/150665A1
A method includes accelerating an electron bunch along a direction of propagation to a relativistic energy and partitioning the electron bunch by transmitting the electron bunch through a grating at the relativistic energy. The grating i...  
WO/2020/126045A1
A magnetic field propulsion unit (1) comprises a first magnetic field generating device (10) configured to generate a magnetic field; a second magnetic field generating device (220) configured to generate a magnetic field; an energy supp...  
WO/2020/114761A1
A feedthrough for providing an electrical connection is provided. The feedthrough comprises a conductor and a quartz or a glass structure configured to surround at least a portion of the conductor and provide isolation to the conductor. ...  
WO/2020/043562A4
Described is an arrangement of conduction-cooled travelling wave tubes comprising multiple travelling wave tubes mounted on a common base, wherein the travelling wave tubes are thermally connected to the base so that during operation of ...  
WO/2020/058053A1
An electron gun is specified, which comprises: - a cathode, which has a cathode holder and a cathode body; and - a Wehnelt cylinder, wherein the cathode holder receives the cathode body and the Wehnelt cylinder is suitable for bundling f...  
WO/2020/043562A1
Described is an arrangement of conduction-cooled travelling wave tubes comprising multiple travelling wave tubes mounted on a common base, wherein the travelling wave tubes are thermally connected to the base so that during operation of ...  
WO/2020/043563A1
The invention relates to a cooling assembly for traveling-wave tubes, comprising: at least one traveling-wave tube in a housing; and a carrier plate, wherein: the carrier plate has a cut-out created from a top side of the carrier plate b...  
WO/2020/035903A1
An electromagnetic wave generator (100) that comprises: a cavity resonance part (2) that is provided to a conductor plate (1) and has N resonance cavities (22); a power supply (11) that supplies power that is for electromagnetic wave gen...  
WO/2019/177835A1
A self-assembling element fabricated using integrated circuit techniques may provide a small diameter helical conductor surrounding an electron beam for the construction of a vacuum electronic device such as a traveling-wave tube for ter...  
WO/2019/172312A1
Provided is a slow-wave circuit and the like that contribute to achieving a wide band while reducing energy loss. The slow-wave circuit is provided with: a waveguide for transmitting electromagnetic waves, the waveguide including a meand...  
WO/2019/169385A1
Vacuum electron devices and linear accelerators include a hollow cathode (510) configured to emit a beam of electrons. An anode (210) is configured to attach and focus the beam of electrons. A control grid (520) is configured to control ...  
WO/2019/158478A1
Circular grid for a cylindrical cathode of a linear-beam microwave tube, said grid comprising an equal number of cells and bars (3), and comprising: - an external circular boulevard (4); - two or three bars (3) that are all connected, at...  
WO/2019/119693A1
A magnetron, comprising a magnetron heat dissipation element used for heat dissipation of the magnetron, the magnetron heat dissipation element comprising a central heat conducting body (1) for coating the outer side wall of an anode cyl...  
WO/2019/094929A1
A plasma ion source includes a plasma chamber body having at least one inlet for introducing a feed gas to an interior of the plasma chamber body. The plasma chamber body is electrically isolated from a vacuum chamber attached to the pla...  
WO/2019/073228A1
A microwave generation system comprising a microwave generator, a pulse generator and an impedance network. The pulse generator is arranged to provide pulses of electrical power to the microwave generator and is operable to vary the powe...  
WO/2019/043942A1
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...  
WO/2019/041672A1
A coaxial TM10,1,0 mode coupled cavity chain, comprising multiple coupled TM10,1,0 mode coaxial resonant cavities, and drift tubes arranged at radial positions where an axial electric field in the TM10,1,0 mode coaxial resonant cavities ...  
WO/2019/009173A1
A magnetron according to an embodiment comprises a magnetic circuit configured from a permanent magnet (13, 14) and a yoke configured by joining a first yoke (15) and a second yoke (16) together. The first yoke (15) and the second yoke (...  
WO/2018/230018A1
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...  
WO/2018/174221A1
The purpose of the present invention is to correct an error from a design value due to variations and the like in component dimensional accuracy, assembly accuracy, or permittivity, and to maintain the design value. An RF window is provi...  
WO/2018/151253A1
The objective of the invention is to provide a microwave tube, or the like, wherein gas adsorption action of a getter may be satisfactorily performed independently from a microwave amplification operation. In order to solve this problem,...  
WO/2018/052518A3
Technology is described for vacuum electron device (e.g., sheet beam klystron) that includes a hollow tube structure. In one example, the hollow tube structure includes at least three resonant cavities and at least two drift tube section...  
WO/2018/078057A1
The invention relates to an appliance for manufacturing a three-dimensional object by means of selective additive manufacturing, comprising, in a housing: a support for depositing successive layers of additive manufacturing powder; a dis...  
WO/2018/081243A1
A chiral molecule can be defined as a molecule that has a non-superimposable mirror image. These mirror images can be referred to as enantiomers. The enantiomers generally have the same set of bond lengths and bond angles in their three-...  
WO/2018/078056A1
The invention relates to an appliance for manufacturing a three-dimensional object by means of additive manufacturing, comprising, in a housing: a support for depositing successive layers of additive manufacturing powder; a distribution ...  
WO/2018/052518A2
Technology is described for vacuum electron device (e.g., sheet beam klystron) that includes a hollow tube structure. In one example, the hollow tube structure includes at least three resonant cavities and at least two drift tube section...  
WO/2018/036068A1
A carbonized La2O3 and Lu2O3 co-doped Mo cathode material and a preparation method therefor pertain to the technical field of rare earth refractory metal cathode materials. A molybdenum substrate is doped with rare earth active substance...  
WO/2018/007336A1
The invention relates to a travelling wave tube (1) comprising an outer metal sheath (5), an inner helix (2), a copper tube (4) disposed between the helix (2) and the sheath (1), and rods (3) disposed between the helix (2) and the copper...  
WO/2017/199272A1
The objective of the invention is to provide a low cost magnetron wherein harmonic components may be suppressed effectively. This magnetron comprises a choke (30) that is a separate part from a metal sealing body (7) on an output side. O...  
WO/2017/163524A1
The objective of the invention is to effectively suppress a plurality of high harmonic components via a simple configuration. This magnetron (1) comprises: a choke portion (60) suppressing high harmonics, configured from a first choke (3...  
WO/2017/154518A1
An antenna part (1) of a magnetron is provided with: an exhaust part (15) having a microwave output end to which is connected an antenna conductor wire (4) drawn out from an anode part (2); and an output side ceramic stem (11) inside of ...  
WO/2017/154987A1
The present invention provides a delay circuit for securing a wide range of bandwidths in a folded waveguide. The delay circuit is provided with a folded waveguide and a beam hole. The beam hole is disposed between an end and the center ...  
WO/2017/146473A1
A magnetron cooling fin has a flat plate shape in which one or a plurality of corrugated regions are formed in a body of the magnetron cooling fin to improve cooling efficiency thereof. A magnetron cooling fin in which a corrugated regio...  
WO/2017/104680A1
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...  
WO/2017/092943A1
A free electron laser comprising: an electron source, a linear accelerator, an undulator, electron beam optics and a deceleration unit. The electron source is operable to produce a bunched electron beam. The linear accelerator arranged t...  
WO/2017/060189A1
The invention relates to an amplifier with multibeam inductive output tube comprising an output cavity (34) and several electron guns (11, 21) each intended to emit an electron beam (12, 22) passing through the output cavity (34), each e...  
WO/2017/051528A1
The purpose is to make it possible to autonomously suppress a reduction in an electron beam without providing a means for supervising the electron beam intensity of a monitor or the like. An electron gun, provided with: a heater (12) in ...  
WO/2017/053042A1
Embodiments of the present disclosure generally provide magnetron configurations that provide more efficient and/or more uniform cooling characteristics and methods for forming the magnetrons. The magnetron includes one or more flow dire...  
WO/2016/174812A1
A magnetron (1) is provided with a positive electrode cylinder (5), a cooling block (10), a fastening member, and a pair of pipe joints (14a, 14b). The fastening member is placed between the pair of pipe joints (14a, 14b) on the cooling ...  
WO/2016/133509A1
A cylindrical whispering gallery mode (WGM) waveguide for a gyrotron has a series of surface dimples of increasing amplitude at beat wavelengths of an (m,n) primary mode with other co-propagating high order modes. The WGM waveguide there...  
WO/2016/042192A1
The invention relates to a coating deposited on a substrate that can be exposed to the air and to the method for the production thereof by means of simple chemical methods. The invention also relates to the use thereof for the production...  
WO/2016/036127A1
The present invention relates to a magnetron that is a component for generating a high frequency output that can be used in fields such as radars, medical equipment, cooking equipment such as microwave ovens, and other equipment employin...  
WO/2016/037075A1
A depressed beam collector and an RF source comprising a depressed beam collector. The RF source may include, e.g., a multi-beam klystron, a single beam klystron, or other RF sources having an electron gun. The beam collector collects sp...  
WO/2016/024878A1
The present invention relates to a device (1) for the extraction of electrons in field emission systems comprising a cathode (2) as electron source, a dielectric grid layer (3) and a conduction layer (4). The device (1) is in the form...  
WO/2016/002183A1
Provided are a traveling wave tube and a high-frequency circuit system such that the product life span of the traveling wave tube operating in multiple modes can be extended while variations in gain and amplification efficiency that acco...  
WO/2015/142414A1
A high-power magnetron assembly (200) includes a high-power magnetron and a compact magnetic field generator (101, 201, 601). The high-power magnetron includes a cathode (240) configured to emit electrons in response to receiving a suppl...  
WO/2015/130050A1
The present invention relates to a high efficiency hollow cathode and a cathode system applying the same, and comprises: a tube comprising at least two refractory metal parts; a gas providing unit and a gas outlet which are respectively ...  

Matches 1 - 50 out of 10,666