| Document |
Document Title |
|
WO/2007/052774A1 |
The present invention provides a multi-beam klystron apparatus (11). In the above-described multi-beam klystron apparatus, the magnetic field generating element (52) of the electron-gun-unit-side magnetic field generating unit (41) is di...
|
|
WO/2007/029580A1 |
It is possible to increase the service life of a magnetron. There is provided a magnetron service life judgment method. A microwave generation device includes: a magnetron (74) having a cathode (80) containing a filament (78) and an anod...
|
|
WO/2007/019150A2 |
Particles are sorted for emitting coherent radiation, specifically high-energy particles (111) capable of coherent emission. Particles move toward a coherent emission chamber using molecular flow, so coherently emitting particles are col...
|
|
WO/2007/019149A2 |
An enhanced heteroscopic turbine including a macroscopic rotor (10) and an interaction, sorting, or interaction and sorting element (14) incorporated into the rotor that operates on individual particles (3) in a fluid (2). The heteroscop...
|
|
WO/2006/124741A2 |
A permanent magnet focusing system includes an electron gun that provides an electron ribbon beam having an elliptical shape. A plurality of permanent magnets provide transport for the electron ribbon beam. The permanent magnets produce ...
|
|
WO/2006/089127A1 |
A biasing system (200) for use with a multi-stage depressed collector (206) of a high power amplifier includes one or more adjustable power sources (208). A power controller (210) provides control signals to the power sources depending o...
|
|
WO/2006/063967A1 |
The invention concerns a field-effect device comprising at least one current emitting element in series with a current saturating device, with speed saturation of current carriers (12). The invention helps to solve the problem of excessi...
|
|
WO/2006/063982A1 |
The invention relates to an optically controlled field emission cathode comprising a substrate (10, 20, 30, 40, 50, 60, 70, 80, 90, 100) provided with at least one conductive surface (11, 21, 31, 41, 51, 61, 71, 81, 91, 101) and at least...
|
|
WO/2006/059817A1 |
A magnetron has a cylindrical cathode portion, an anode portion surrounding the cathode portion concentrically, and a resonator circuit connected to the anode portion. Fine modifying portions are periodically formed on the anode portion ...
|
|
WO/2006/052811A2 |
An inductive output tube (IOT) operates in a frequency range above 1000 MHz. An output window may be provided to separate a vacuum, portion of the IOT from an atmospheric pressure portion of the IOT, the output window being surrounded by...
|
|
WO/2006/045766A1 |
The invention relates to a microwave tube consisting of an electron gun comprising a cathode that generates an electron beam (56) in a microwave structure of the tube, and a collector (50) for collecting electrons from the beam. In addit...
|
|
WO/2006/037918A2 |
The invention concerns a microwave generating device comprising a diode (4, 2) consisting of an anode (4) and a cathode (2) and adapted to create a virtual cathode (6) by accumulation of electrons in a circular waveguide (5) capable of p...
|
|
WO/2006/036177A1 |
The invention addresses a multi-channel induction accelerator with external channels, which in its broadest form includes an injector block (1), a drive system (4), a block of output systems (2), and a multi-channel induction accelerativ...
|
|
WO/2006/033278A1 |
A magnetron oscillation device includes a magnetron (2), a launcher (4) for acquiring output power from the magnetron (2), an impedance generator (5) having one end connected to the output terminal of the launcher (4), and a reference si...
|
|
WO/2005/117057A2 |
An electrostatic fluid acceleration and method of operation thereof includes at least two synchronously powered stages with final or rear-most electrodes of one stage maintained at substantially the same instantaneous voltage as the imme...
|
|
WO/2005/083735A2 |
A linear electron beam tube comprises an electron gun (10) having a cathode and (12) a grid (13), and an anode (27) arranged in a first portion (24) of a drift tube (22). The drift tube is within a vacuum envelope (20) and has first and ...
|
|
WO/2005/083738A2 |
A collector (30) for an linear electron beam tube such as an inductive output tube has various features for improved performance. A non-conductive spacer (60) is located between electrodes (32, 34) having a physical path length around th...
|
|
WO/2005/072028A2 |
A compact linear accelerator having at least one strip-shaped Blumlein module which guides a propagating wavefront between first and second ends and controls the output pulse at the second end. Each Blumlein module has first, second, and...
|
|
WO/2005/059946A1 |
A klystron has a plurality of electron beam paths and plural damped disc-shaped cavities. The plurality of electron beam paths cut the cavities and the Klystron amplifier further comprises an annular input cavity and an annular output ca...
|
|
WO/2005/038848A2 |
The invention relates to an amplifier comprising an axial electron beam electronic tube provided with a cathode (16) and at least to collectors (14a, 14b) and at least two continuous voltage sources. Each collector (14a, 14b) is connecte...
|
|
WO/2005/022553A2 |
Radiation systems, including apparatuses and methods, for providing multiple independent RF electron accelerators with RF power from a single RF generator. The radiation systems may be employed in radiation treatment systems for treating...
|
|
WO/2005/020272A2 |
A phase locked magnetron comprises a cathode (2) and anode (6) and an interaction space in between. The cathode is coupled to an injected locking signal, which prompts the operation of the magnetron to be in phase with the phase of the l...
|
|
WO/2005/017939A2 |
A RF amplifier (2) includes a RF input section (4) for receiving a RF input signal (16). At least one single-sided slow-wave structure (12) is associated with the RF interaction section. An electron ribbon beam (10) that interacts with t...
|
|
WO/2004/114350A2 |
The invention relates to a progressive wave tube with an electron gun, providing a beam of electrons in the ZZ' axis of a spiral tube (20) and a hyperfrequency wave injected at an inlet end (22) of the spiral, propagating along the tube ...
|
|
WO/2004/100204A2 |
The invention concerns a microwave tube comprising an electron gun (12) generating an electronic beam (20) in a cylindrical microwave structure (14, 50) of the tube. The microwave structure provides at an output a hyperfrequency wave. A ...
|
|
WO/2004/100353A2 |
Low-noise, crossed-field devices such as a microwave magnetron, a microwave oven utilizing same, crossed-field amplifier and a method of converting a noisy magnetron to a low-noise magnetron utilize an azimuthally varying, axial magnetic...
|
|
WO/2004/090929A1 |
The present invention relates to the anode of a magnetron for microwave ovens, and manufacturing method and forming apparatus therefore. In particular, the present invention relates to the anode of a magnetron for microwave ovens, and ma...
|
|
WO/2004/088703A1 |
A cold-cathode electron source of both high frequency and high output, a microwave tube using the same, and its manufacturing method are disclosed. An emitter (24) of the cold-cathode electron source has a sharp point so that the aspect ...
|
|
WO/2004/051692A2 |
An electron beam tube (17) having a longitudinal axis comprises a first component, such as a ceramic wall (5) and a second component such as a drift tube assembly having a mounting plate (3). The tube further comprises means, such as mem...
|
|
WO/2004/049378A2 |
An electrode structure for a vacuum tube is formed by having a ceramic insulating body act as the tube wall. Electrode areas are formed on the inside of the tube by coating the inside of the tube wall with a conductor. These electrode ar...
|
|
WO/2004/032275A2 |
In accordance with the invention, improved vacuum microtube devices are provided with arrangements for tunably spacing the gate and the cathode. Tuning can be effected by using an electrostatic or magnetic actuator to move the gate on a ...
|
|
WO/2004/027111A1 |
A solid element including an electrode, characterized in that it has either of a boron carbon nitrogen film and a boron carbon nitrogen oxygen film which have a composition ratio for carbon of 0.15 or more. The above films exhibit excell...
|
|
WO/2004/021611A2 |
An optical communication system is provided which includes an optical signal tranmitter which communicates high bandwidth, high power frequencies. The optical signal transmitter includes a high efficiency/high power optical source such a...
|
|
WO/2004/012310A1 |
A source electrode (24) is biased to lower the potential barrier of surface electrons. A laser (30) radiates the source electrode (24), producing a tunneling electron current. The tunneling electron current oscillates in response to freq...
|
|
WO/2004/010450A1 |
A field emission cold cathode (11) for use in vacuum tubes. A carbon velvet material (25) is comprised of high aspect ratio carbon fibers embedded perpendicular to a base material. The tips and/or the shafts of the carbon velvet material...
|
|
WO/2004/006410A2 |
A system and method are provided to power a plurality of magnetrons devices (30, 40). The system may include a power supply device (DC) to power a first magnetron device, a second magnetron device and a third magnetron device (100, 200, ...
|
|
WO/2004/006281A2 |
Axially symmetric magnetic fields are provided about the longitudinal axis of each beam of a multi-beam electron beam device (MBEBD). A flux equalizer assembly is disposed between the cathodes and the anodes and near the cathodes of a (M...
|
|
WO/2004/001787A2 |
The invention relates to a microwave tube (3) for the generation of an electromagnetic wave with a frequency (F). The tube comprises mechanical tuning means for varying the frequency (F), comprising a set of rings (A, B, C, D) defining a...
|
|
WO/2003/106264A1 |
The invention concerns a device for cooling travelling-wave tubes (26) having a collector (28) preferably operating at high temperature and thermally insulated from the rest of the tube, the device comprising a radiator (15) thermally un...
|
|
WO/2003/105179A1 |
An inductive output tube (IOT) amplifier system for receiving an RF input signal and providing therefrom an amplified RF output signal. The system includes a high tension DC voltage supply and an IOT tube. The IOT tube includes a cathode...
|
|
WO/2003/103130A2 |
A magnetron of the type having a strap ring (63) has protruding regions (60-62) of the strap ring (63) arranged so as to increase the capacitance between the strap ring (63) and another strap ring (56) or between the strap ring (63) and ...
|
|
WO/2003/090447A2 |
A magnetic field compensation winding arrangement for a cathode ray tube includes a magnetic field compensation winding positioned on the cathode ray tube (22) to compensate for an ambient magnetic field. An operational amplifier (U1) is...
|
|
WO/2003/081628A1 |
An unsymmetrical-dielectric loaded helical structure with negative dispersion characteristics and a wideband TWT using the same is disclosed. The helical structure has a helix disposed between the electron-beam-generating apparatus and t...
|
|
WO/2003/079393A1 |
A magnetron arrangement has a coaxial output (13) including a central conductor (14). The output further comprises a plate (19) located in a predetermined position with respect to the central conductor. The plate optimises the coupling o...
|
|
WO/2003/079394A1 |
A magnetron comprises an anode (2) having at least one vane (3), which defines a plurality of cavities. A dielectric resonator (7) is located such that it is in communication with the vane(s). The dielectric resonator includes a lossy po...
|
|
WO/2003/077273A2 |
A collector structure for a linear beam device is disclosed having a segmented ceramic collector core that permits sustained operation at high temperatures and high power densities, such as encountered in miniature traveling wave tubes. ...
|
|
WO/2003/077406A2 |
A Hall element (H) is arranged a choke coil (30) having an air gap at the core portion thereof. Power semiconductor elements (P1) and (P2) are attached at a heat radiation fin (61) directly by soldering. A rectangular−hollow−shaped c...
|
|
WO/2003/073799A1 |
The present invention is a microwave excited lamp and a microwave gasket. A microwave excited lamp (10) in accordance with the invention includes at least one microwave source (12); a microwave structure (20) comprising a metallic materi...
|
|
WO/2003/071835A1 |
Control and filter circuits (1, 3, 4, 6, 10, 12) for linear power supplies, employing resistance to limit the release of stored energy and simultaneously removing the input mains AC (11), so as to protect a load device (2) from damage wh...
|
|
WO/2003/054900A2 |
The invention concerns vacuum tubes, and in particular electronic tubes. The invention concerns a method for making a tube, in particular an electron collector with several electrodes (30, 40, 50, 60), which consists in producing electro...
|
