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Matches 1 - 50 out of 1,984

Document Document Title
WO/2018/077216A1
A magnetron, a magnetron sputtering chamber and a magnetron sputtering device. The magnetron comprises a first outer magnetic pole (101) and a first inner magnetic pole (102) which have opposite polarities, the first outer magnetic pole ...  
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/2018/040588A1
Disclosed are a magnetron element and a magnetron sputtering apparatus. The magnetron element comprises a closed magnetron (1) and a non-closed magnetron (2). A closed plasma path (13) is formed between an inner magnetic pole (11) and an...  
WO/2018/040408A1
Disclosed are a magnetron element (4) and a magnetron sputtering apparatus. The magnetron element (4) comprises a closed magnetic pole (1) and an open-circuit magnetic pole (2). The closed magnetic pole (1) surrounds the open-circuit mag...  
WO/2018/025239A1
An electron beam 3D printing machine (1), comprising a chamber (2) for generating and accelerating an electron beam and an operating chamber (3) in which a metal powder is melted, with the consequent production of a three-dimensional pro...  
WO/2018/015896A1
An apparatus for generating electromagnetic waves (100) is envisaged relating to the field of electromagnetic wave generating systems. The apparatus provides efficient radio frequency amplification, facilitates low loss electromagnetic g...  
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/2017/092943A1
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/2017/090909A1
A high-powered magnetron according to one embodiment of the present invention comprises: a diode including a cathode and an anode; and a tuner unit for varying the electric field applied to the diode, wherein the tuner unit comprises a p...  
WO/2017/085507A1
An electromagnetic wave frequency and amplitude modifier (10) having an input cavity resonator (12) for receiving a beam of electrons from an electron beam source, and for receiving an input electromagnetic waveform from an energy source...  
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/2017/036623A1
The invention relates to a device (1), comprising a high-voltage direct-current transmission line (2) and a releasing device (4), wherein the releasing device (4) is electrically coupled to the high-voltage direct-current transmission li...  
WO/2016/099622A1
Tube amplifier system including a plurality of conductor walls extending parallel to a longitudinal axis and defining an interior space therebetween. The tube amplifier system also including a shorting deck that extends transverse to the...  
WO/2016/043783A1
A method, system, and apparatus for vector control of radio frequency signals in narrow band devices such as Superconducting Radio Frequency (SRF) cavities driven by injection locked magnetrons using carrier amplitude modulation by spect...  
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/2015/175765A1
Graphene grids are configured for applications in vacuum electronic devices. A multilayer graphene grid is configured as a filter for electrons in a specific energy range, in a field emission device or other vacuum electronic device. A g...  
WO/2015/109927A1
A magnetron (100) and a magnetron sputtering device, comprising an inner magnetic pole (120) and an outer magnetic pole (130) with opposite polarities. Both the inner magnetic pole (120) and the outer magnetic pole (130) comprise multipl...  
WO/2015/097384A1
The present application relates to a microwave wave generator with oscillating virtual cathode, with axial geometry, comprising at least one first reflector (F1) positioned in a cylindrical waveguide (105) downstream of a thin anode (104...  
WO/2015/067467A1
A free electron laser comprising: an electron source (21), a linear accelerator (22), an undulator (26), electron beam optics and a deceleration unit (28'). The electron source is operable to produce a bunched electron beam. The linear a...  
WO/2015/063519A1
The present invention is a rectangular waveguide (100) providing amplification of an electromagnetic wave via interaction with an electron beam (107) in a channel defined by two parallel rows of alternately provided substantially identic...  
WO/2015/034949A1
A microwave energy tool including a sheet beam klystron (101) that includes a tube body (107) for carrying an electron sheet beam that has a plurality of cavities (113) and a magnetic solenoid (019) wound directly on the tube body (107).  
WO/2015/018925A1
The invention relates to a magnetic field generation apparatus (2) for a magnetron (1) comprising a permanent magnet arrangement (4) and a magnetic field conductor device (6). The magnetic field conducting device (6) has a diverting elem...  
WO/2014/134595A2
A 4G magnetron is disclosed. The magnetron may include an anode, comprising a cylindrical member and anode vanes disposed within the cylindrical member which define resonant cavities therebetween, and a dispenser cathode, suitable for he...  
WO/2014/134596A2
A sulfur lamp having low microwave leakage comprising a structure made of a plurality of electrically conductive strips. The lamp cage is formed from respective halves removably joined together and configured to be resonant at the microw...  
WO/2014/134595A3
A 4G magnetron is disclosed. The magnetron may include an anode, comprising a cylindrical member and anode vanes disposed within the cylindrical member which define resonant cavities therebetween, and a dispenser cathode, suitable for he...  
WO/2014/094580A1
A magnetron and a magnetron sputtering device. The magnetron comprises an external magnetic pole (22) and an internal magnetic pole (21) which are opposite in polarities. On the radial section perpendicular to the magnetron, the internal...  
WO/2014/096728A1
The present invention relates to a device for generating microwaves with an oscillating virtual cathode, comprising a cathode (2), a thin anode (4) positioned at an inlet of a cylindrical waveguide (5), at least one first open reflector ...  
WO/2014/064227A1
The invention proposes a thermionic cathode (1 ) comprising: - a first emitting block (10) comprising at least one electron emission surface (12) configured to emit electrons in at least one predefined direction and at least one non-emis...  
WO/2014/010226A1
Provided is a plasma emission device for enhanced emission efficiency, and improved total luminous flux based thereon. The plasma emission device (1) has: an electromagnetic wave generator (2); a waveguide (4) for transmitting electromag...  
WO/2013/134700A1
A novel magnetron achieves increased power output at high frequencies by replacing a typical resonant cavity with a slow-wave waveguide structure. Waveguides built into the anode body sustain oscillations having phase change coefficients...  
WO/2013/104637A1
For a collector for a travelling wave tube and for a travelling wave tube having such a collector, a structure is provided in which at least one first collector stage (AS1) has a magnetic beam focusing and a smaller diameter and at least...  
WO/2013/090342A1
In a particular embodiment, a device is disclosed that includes means for providing a high-power continuous wave (CW) radio frequency (RF) source based on two injection-locked 2-stage CW magnetrons with outputs combined by a 3-dB hybrid ...  
WO/2013/061063A1
A filter (20) for reducing a ripple voltage component of a magnetron power supply comprises a first filter element comprising a first inductor (L1) in series with a power supply circuit for the magnetron (13) and a first capacitor (C1) i...  
WO/2013/045183A1
In order to reduce the secondary electron emission in a vacuum electron beam arrangement, in particular a travelling wave tube (TWT), a surface structure with an open-pore surface layer (OS) and a method for producing such a surface stru...  
WO/2013/029593A2
The invention relates to an apparatus for generating a thermodynamically cold plasma under standard atmospheric conditions by injecting microwave radiation at a frequency of > 3 GHz into a plasma chamber and subsequent superposition of a...  
WO/2013/029593A3
The invention relates to an apparatus for generating a thermodynamically cold plasma under standard atmospheric conditions by injecting microwave radiation at a frequency of > 3 GHz into a plasma chamber (6) and subsequent superposition ...  
WO/2012/119786A1
The present invention provides an electron gun (12) comprising a cathode (20), for generating electrons; an anode (22); an intermediate electrode (24), located between the cathode and the anode; and a controller (14). The controller appl...  
WO/2012/107763A1
An inductive filter 10 for a magnetron power supply lead 20 comprises an electrically insulating tube 105; a power lead 22, 23 located partially within the electrically insulating tube, and substantially coaxial therewith, for supplying ...  
WO/2012/098391A1
A magnetron has an anode body (1) and including a ceramic sleeve (7). In higher power generators, stray radiation is emitted from this sleeve in addition to the main power launched from the antenna into the waveguide (2), and RF absorbin...  
WO/2012/048473A1
A method and a system for temporal focusing and temporal alignment of an ultra-short electron bunch are provided. The method discloses how to realize the temporal compression and temporal alignment of an electron bunch in a cavity struct...  
WO/2012/013658A1
The invention relates to a device (10, 40, 60, 150) for generating electromagnetic THz radiation with free electron beams (54, 56, 78, 190, 192), comprising a dynatron tube (22), where the dynatron tube (22) comprises an electron source ...  
WO/2011/144918A1
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...  
WO/2011/120995A1
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...  
WO/2011/117654A1
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 ...  
WO/2011/058360A1
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...  
WO/2011/058361A1
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...  
WO/2011/050193A1
A low-voltage, multi-beam, multi-MW RF source that operates at a voltage less than or equal to approximately 60 kV and generates at least one MW. The RF source includes a cathode configured to generate a plurality of beamlets. An input c...  
WO/2011/044466A1
A method of operating a motor is disclosed. The motor has a nameplate operating frequency and at least a first and second wiring configuration for operating at a first nameplate voltage and second, higher, nameplate voltage, respectively...  
WO/2011/037498A1
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...  
WO/2011/037497A1
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) ...  

Matches 1 - 50 out of 1,984