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7622856 Plasma lighting system having thin metallic film resonator  
A plasma lighting system having a thin metallic film resonator includes: an electrodeless bulb emitting light by making luminous material filled therein converted into plasma state; and a resonator...
7619374 Radiotherapy system for performing radiotherapy with presice irradiation  
A radiotherapy system includes: a waveguide, an adjustable waveguide, and a non-reciprocal circuit element. The waveguide transmits a high-frequency wave from a high-frequency power source to an...
7609001 Optical magnetron for high efficiency production of optical radiation and related methods of use  
An electromagnetic radiation source is disclosed that produces a single mode operation at a desired operating frequency. The electromagnetic radiation source is included in a wide variety of...
7605542 Light-emitting device  
A light-emitting device, includes: an emitter sealed with a gas emitting light caused by a microwave; a high frequency power supply section including a diamond SAW oscillator and outputting a high...
7589470 Method and apparatus for producing plasma  
A method and apparatus for producing a distributed plasma at atmospheric pressure. A distributed plasma can be produced at atmospheric pressure by using an inexpensive high frequency power source...
7589469 Coaxial waveguide converter circuit for traveling-wave tube, method of manufacturing same, and waveguide matching part for use in coaxial waveguide converter circuit  
A coaxial waveguide converter circuit is provided for converting an input/output coaxial section of a traveling-wave tube to a waveguide. The circuit comprises a waveguide matching part for...
7583370 Resonant structures and methods for encoding signals into surface plasmons  
A device for coupling an input signal to an output signal includes a metal transmission line; an ultra-small resonant receiver structure operatively connected to an end of the transmission line...
7583029 High temperature operation type electrodeless bulb of plasma lighting systems and plasma lighting system having the same  
A high temperature operation type electrodeless bulb of a plasma lighting system includes: a luminous unit defining a space for enclosing luminous materials, and made of glass having selective...
7564190 Light source device and image displaying apparatus using the same  
A light source device comprises a waveguide, an electrodeless lamp, a probe, and conversing means. The waveguide is formed to contain a medium enabling a microwave to resonate and has a surface and...
7548026 Magnetron  
For an anode assembly 51 of a magnetron, a plurality of plate shaped vanes 54 radially arranged at an inner circumference of the roughly round shaped anode assembly 53 has a end portion...
7538608 Photonic crystal ribbon-beam traveling wave amplifier  
A RF amplifier includes a RF input section for receiving a RF input signal. At least one single-sided slow-wave structure is associated with the RF interaction section. An electron ribbon beam that...
7525253 Microwave energized plasma lamp with dielectric waveguide  
A plasma lamp including a waveguide body comprising at least one dielectric material. The body is coupled to a microwave power source which causes the body to resonate in at least one resonant...
7521852 Electrodeless lighting system  
An electrodeless lighting system comprises: a first case in which a microwave generator, a waveguide for guiding microwave energy and a luminous part communicating with the waveguide, for emitting...
7518315 Microwave energized plasma lamp with solid dielectric waveguide  
A plasma lamp including a waveguide body including at least one dielectric material with a dielectric constant greater than approximately 2. The body is coupled to a microwave source which causes...
7511251 Magnetron having choke filter configured to intercept external leakage  
A magnetron is provided including a yoke having an internal space, a first magnet provided at one end of the internal space, a second magnet provided at a second end of the internal space, the...
7473914 System and method for producing terahertz radiation  
An apparatus for producing an annular electron beam comprises a cathode for generating electrons, a cavity having an annular shape and operable to receive the electrons, an energy input coupled to...
7471045 Microwave generator  
A microwave generator comprises a magnetron having an anode and a cathode, oscillating by the current supplied to the anode, and generating a microwave, electric-field controlling means for...
7462978 Apparatus and method for generating ultraviolet radiation  
An apparatus ( 10 ) for generating ultraviolet radiation includes a pair of magnetrons ( 12 ) coupled to a longitudinally extending microwave chamber ( 14 ) for generating standing microwave energy...
7446484 Middle output electrodeless lighting system  
A middle output electrodeless lighting system comprising: a resonator having a certain inner space and adapted to form a resonance mode by shielding a discharge of microwaves applied therein to the...
7446327 Apparatus for amplifying a stream of charged particles  
Apparatus for amplifying a stream of primary charged particles comprises a body defining a chamber and an entrance aperture for receiving the stream of primary charged particles into the chamber,...
7439677 Microwave generator  
A microwave generator having a central electrode ( 14 ) which at the front end has a radiating element ( 22 ) and an external electrode ( 18 ) which coaxially surrounds the central electrode ( 14 )...
7436177 SEM test apparatus  
Test apparatus for examining the operation and functioning of ultra-small resonant structures, and specifically using an SEM as the testing device and its electron beam as an exciting source of...
7432484 Current control for high-frequency heating apparatus  
The invention relates to a high frequency heating apparatus and provides a tracking method of a frequency modulation in order to prevent an extension of the harmonic current component of an...
7405382 System for microwave enhanced chemistry  
According to the present invention, a microwave generator includes a variable voltage provided from a first transformer to a second transformer having a secondary winding split into a filament...
7397173 Lighting apparatus using microwave energy  
A lighting apparatus using microwave energy comprises, a magnetron disposed inside a casing, for generating microwave energy; a waveguide for guiding microwave energy; a resonator providing a...
7385231 Porous thin-film-deposition substrate, electron emitting element, methods of producing them, and switching element and display element  
A method of producing a porous thin-film-deposition substrate, which has the steps of: placing onto a substrate that has an electrostatic charge on its surface, fine particles with a surface...
7375470 Magnetron  
Disclosed herein is a magnetron. The magnetron comprises an anode cylinder, upper and lower magnets provided to upper and lower portions of the anode cylinder, and upper and lower magnetic poles...
7358678 Plasma lamp with dielectric waveguide  
A dielectric waveguide integrated plasma lamp is disclosed for powering a small and bright bulb with a diameter of a few millimeters. The lamp is contained within a high dielectric constant...
7339146 Low cost microwave over components manufactured from conductively doped resin-based materials  
Microwave oven components are formed of a conductively doped resin-based material. The conductively doped resin-based material comprises micron conductive powder(s), conductive fiber(s), or a...
7327088 Magnetron  
In a magnetron having a body 1 defining an anode 2 divided into resonant cavities 4 by vanes 3 and having a coaxial cathode 5 , r.f. energy produced when a magnetic field is applied...
7321204 Bulb structure and manufacturing method of electrodeless lighting system  
A bulb structure of an electrodeless lighting system comprises: a bulb body having an interior space receiving a luminous material emitting light by microwave energy; a bulb support portion...
7291985 External resonator/cavity electrode-less plasma lamp and method of exciting with radio-frequency energy  
Described is a plasma electrode-less lamp. The device comprises an electromagnetic resonator and an electromagnetic radiation source conductively connected with the electromagnetic resonator. The...
7279842 Magnetron with wavy straps  
A magnetron of the type having a strap ring has protruding regions of the strap ring arranged so as to increase the capacitance between the strap ring and another strap ring or between the strap...
7274147 Magnetron  
A magnetron which generates a high-frequency energy in the Terahertz band is provided. The magnetron includes a cathode unit, which is connected to a terminal of a power source, and which...
7265360 Magnetron anode design for short wavelength operation  
An electromagnetic radiation source is disclosed. The electromagnetic radiation source includes an anode having a first conductor, a second conductor positioned relative to the first conductor, a...
7257327 Wireless communication system with high efficiency/high power optical source  
An optical communication system is provided which includes an optical signal transmitter which communicates high bandwidth, high power frequencies. The optical signal transmitter includes a high...
7245082 Mode seeding cathode for a relativistic magnetron  
A high-power relativistic magnetron wherein the cathode geometry is shaped to form a DC electric field that has a non-negligible azimuthal component causing preferential selection of the pi mode at...
7235929 Magnetron  
A magnetron 10 is equipped with a helical filament 39 , as an element of a cathode assembly, arranged on a central axis of an anode cylindrical body 13 . Assuming that a resistance value of the...
7230384 Robust RF interface in a TWT  
Apparatus and methods provide a robust radio frequency (RF) interface for a helix-type traveling wave tube (TWT). As a vacuum device, the RF input to the TWT and the RF output from the TWT are...
7218053 Electron beam tube output arrangement  
An electron beam tube of the type for amplification of RF signals comprising an electron gun, an interaction region within a vacuum, an RF input and an RF output arrangement, the RF output...
7208878 Method of manufacturing a rotation-magnetron-in-magnetron (RMIM) electrode  
An RMIM electrode, a method for manufacturing the RMIM electrode, and a sputtering apparatus using the RMIM electrode, wherein the RMIM electrode includes a magnet unit including a cylinder-shaped...
7199525 Strapped magnetron with a dielectric resonator for absorbing radiation  
A magnetron includes an anode having at least one vane defining a plurality of cavities and a dielectric resonator in communication with the at least one vane. The dielectric resonator is arranged...
7199524 Magnetron arrangements  
A magnetron output arrangement includes a coaxial output adapted to be coupled in an endfire configuration to a rectangular waveguide. The waveguide has a flange for mating with the magnetron...
7196474 Electrodeless lighting apparatus  
An electrodeless lighting apparatus includes: a waveguide for guiding microwave energy generated from a microwave generator; a resonance unit coupled with an outlet of the waveguide and comprising...
7164234 High-power microwave system employing a phase-locked array of inexpensive commercial magnetrons  
A high-power microwave generator employing a plurality of inexpensive commercial magnetron tubes cross-coupled by means of a secondary coupling path between each magnetron output pair, whereby a...
7161304 Electrodeless lighting system  
Disclosed is an electrodeless lighting system capable of being used as an optical source of an electronic device by being minimized and capable of obtaining an optimum impedance matching and...
7148627 Magnetron  
A magnetron is configured so that an antenna lead 17 connected to a desired position of an anode segment 2 passes through a magnetic pole piece 7 and a metal cylinder 8 so as not to make...
7135820 Vane structure of magnetron  
A magnetron includes semi-circularly shaped electric field adjusting grooves provided on surfaces of outer ends of vanes brought into contact with an inner surface of a positive polar body to make...
7129639 Middle output electrodeless lighting system  
An electrodeless lighting system includes a resonator which passes light. The resonator communicates with a waveguide which guides microwave energy generated by a microwave generator. The microwave...
7126282 Electrodeless lighting system  
An electrodeless lighting system includes: a waveguide for guiding microwave energy generated from a microwave generator; and a resonator formed in a mesh structure allowing the microwave energy...