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| Number | Title | Issue Date |
| 8159157 | Nanotubes as linear accelerators According to certain embodiments, a linear accelerator comprises a nanotube, a particle, and an energy source. The nanotube has a cylindrical shape, and the particle is disposed within the nanotube. The energy source is configured to apply energy to the nanotube to ... | 04/17/2012 |
| 8159158 | RF cavity using liquid dielectric for tuning and cooling A system for accelerating particles includes an RF cavity that contains a ferrite core and a liquid dielectric. Characteristics of the ferrite core and the liquid dielectric, among other factors, determine the resonant frequency of the RF cavity. The liquid dielectr... | 04/17/2012 |
| 8143816 | Power variator An apparatus for use in a process to regulate power for a particle accelerator includes a first circulator, a second circulator, a tee coupled between the first and the second circulator, and a tuner coupled to the tee. An apparatus for use in a process to regulate ... | 03/27/2012 |
| 8089222 | Fast electromagnet device A fast electromagnet device (140) receives a high voltage from a pulse power supply through a coaxial cable and excites an electromagnet at high speed, so as to bend a charged particle beam. The fast electromagnet device (140) includes a kicker magnet ... | 01/03/2012 |
| 8067907 | Charged particle accelerator In a charged particle accelerator, voltage of several tens of kV is applied between accelerating electrodes. In such a case, electric discharge is sometimes generated between the accelerating electrodes. In the charged particle accelerator, part or entirety of the a... | 11/29/2011 |
| 7986113 | Selectable frequency light emitter We describe an ultra-small resonant structure that produces electromagnetic radiation (e.g., visible light) at selected frequencies that can also be used or formed in conjunction with passive optical structures. The resonant structure can be produced from any conduc... | 07/26/2011 |
| 7915840 | RF power recovery feedback circulator A device and method for improving the efficiency of RF systems having a Reflective Load. In the preferred embodiment, Reflected Energy from a superconducting resonator of a particle accelerator is reintroduced to the resonator after the phase of the Reflected Energy... | 03/29/2011 |
| 7671546 | Voltage division resistor for acceleration tubes, acceleration tube, and accelerator To provide a voltage division resistor for acceleration tube, an acceleration tube, and an accelerator capable of reducing the cost of the acceleration tube and enhancing the operation efficiency. An acceleration tube (1) for accelerating ions (charged partic... | 03/02/2010 |
| 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 acceleration tube. The adjustable waveguide is included in said wavegui... | 11/17/2009 |
| 7619373 | Selectable frequency light emitter We describe an ultra-small resonant structure that produces electromagnetic radiation (e.g., visible light) at selected frequencies. The resonant structure can be produced from any conducting material (e.g., metal such as silver or gold). In one example, a number of... | 11/17/2009 |
| 7471052 | Cryogenic vacuumm RF feedthrough device A cryogenic vacuum rf feedthrough device comprising: 1) a probe for insertion into a particle beam; 2) a coaxial cable comprising an inner conductor and an outer conductor, a dielectric/insulating layer surrounding the inner conductor, the latter being connected to ... | 12/30/2008 |
| 7432672 | Variable radiofrequency power source for an accelerator guide An apparatus for use with an accelerator includes a circulator having a first port, a second port, a third port, and a fourth port, wherein the first port is configured to couple to a power generator, and the third port is configured to couple to an accelerator, a f... | 10/07/2008 |
| 7432516 | Rapid cycling medical synchrotron and beam delivery system A medical synchrotron which cycles rapidly in order to accelerate particles for delivery in a beam therapy system. The synchrotron generally includes a radiofrequency (RF) cavity for accelerating the particles as a beam and a plurality of combined function magnets a... | 10/07/2008 |
| 7423381 | Particle accelerator and methods therefor Standing-wave linear accelerators (linac) having a plurality of accelerating cavities and which do not have any auxiliary cavities are provided. Such linacs are useful for industrial applications such as radiography, cargo inspection and food sterilization, and also... | 09/09/2008 |
| 7423278 | Ion acceleration system for hadrontherapy System for ion acceleration for medical purposes comprising a conventional or superconducting cyclotron, a radiofrequency linear accelerator (Linac), a Medium Energy Beam Transport line (MEBT) connected, at the low energy side, to the exit of the cyclotron, and at t... | 09/09/2008 |
| 7423390 | Electron beam generator for multiple columns An electron beam generator for multiple columns includes: a plurality of cathodes, to which a single acceleration voltage supply applies a negative acceleration voltage, and which thus generates thermoelectrons; a grid for each of the plurality of cathodes, the grid... | 09/09/2008 |
| 7411361 | Method and apparatus for radio frequency cavity In an electron accelerator, a conductive housing defines a cavity. Photoelectrons are emitted from a photocathode into the cavity when light is applied to the photocathode. Via an opening formed in a wall of the conductive housing, the photoelectrons are output to t... | 08/12/2008 |
| 7400093 | Standing wave particle beam accelerator A method for generating an electron beam includes prescribing a location, and generating an envelope of electrons, the envelope having a waist, wherein the generating is performed such that the waist of the envelope is at or adjacent to the prescribed location. A de... | 07/15/2008 |
| 7397206 | Phase switch and a standing wave linear accelerator with the phase switch A phase switch (energy switch) comprising a three-cavity system (an end-coupled cavity+side-passed accelerate cavity+an end-coupled cavity) and a separate single couple cavity is disclosed. The phase shift between the adjacent accelerate cavities is π when the thre... | 07/08/2008 |
| 7397054 | Particle beam therapy system and control system for particle beam therapy A particle beam therapy system comprises a charged particle beam generator for generating a charged particle beam, two or more treatment rooms provided with respective irradiation devices for irradiating the charged particle beam, a beam line for transporting the ch... | 07/08/2008 |
| 7381949 | Method and apparatus for simultaneously depositing and observing materials on a target A system for joining at least two beams of charged particles that includes directing a first beam along a first axis into a field. A second beam is directed along a second axis into the field. The first and second beams are turned, by interaction between the field a... | 06/03/2008 |
| 7356118 | Angled-beam detection system for container inspection A non-intrusive inspection system, including apparatuses and methods, for non-intrusively inspecting containers such as, without limitation, those employed to transport items in international commerce. The non-intrusive inspection system is configured to generate an... | 04/08/2008 |
| 7345435 | Superstructure for high current applications in superconducting linear accelerators A superstructure for accelerating charged particles at relativistic speeds. The superstructure consists of two weakly coupled multi-cell subunits equipped with HOM couplers. A beam pipe connects the subunits and an HOM damper is included at the entrance and the exit... | 03/18/2008 |
| 7345436 | Apparatus and method for controlling the beam current of a charged particle beam An apparatus for producing a beam of charged particles is provided, which comprises an emitter (1, 2) and a switching device (3) adapted to switch between first, second and third beam current levels, wherein the beam current at said first current level... | 03/18/2008 |
| 7339320 | Standing wave particle beam accelerator An accelerator for accelerating a particle beam includes a main body having a plurality of electromagnetic cavities coupled in series, and a first coupling body having a first side cavity coupled to one of the electromagnetic cavities through a first opening, and to... | 03/04/2008 |
| 7332880 | Particle beam accelerator The present invention provides a particle beam accelerator for accelerating charged particles along a traveling direction of the charged particles. The invention provides a particle beam accelerator, in which the charged particle beam deflected by spiral-shaped-defl... | 02/19/2008 |
| 7317192 | High energy polyenergetic ion selection systems, ion beam therapy systems, and ion beam treatment centers Devices and methods are provided for generating laser-accelerated high energy polyenergetic positive ion beams that are spatially separated and modulated based on energy level. The spatially separated and modulated high energy polyenergetic positive ion beams are us... | 01/08/2008 |
| 7315140 | Cyclotron with beam phase selector Disclosed here is a cyclotron having a beam phase selector capable of controlling phase widths of beams and improving beam permeability for increasing beam current. The cyclotron contains an acceleration voltage applying section and a beam blocking section, at least... | 01/01/2008 |
| 7304435 | Device for confinement of a plasma within a volume A device of a plasma (5) for confinement of a plasma within a housing (1), comprising creation means for creating a magnetic field, said means being a series of permanent magnets (3) for creation of a magnetic field presenting an alternating mul... | 12/04/2007 |
| 7295649 | Radiation therapy system and method of using the same A method of using a radiation system having a multileaf collimator (“MLC”) to adjust for unevenness in the radiation emitted by the system is disclosed. By appropriately controlling the MLC in accordance with the invention the system can be operated without a fl... | 11/13/2007 |
| 7291360 | Chemical vapor deposition plasma process using plural ion shower grids A chemical vapor deposition process is carried out in a reactor chamber having a set of plural parallel ion shower grids that divide the chamber into an upper ion generation region and a lower process region, each of the ion shower grids having plural orifices in mu... | 11/06/2007 |
| 7279194 | Thin film formation apparatus and method of manufacturing self-light-emitting device using thin film formation apparatus A means of effectively applying an organic EL material application liquid with good application liquid cut-off is provided. A heater and an ultrasonic oscillator are formed in a thin film formation apparatus when applying the application liquid, and heat and ultraso... | 10/09/2007 |
| 7262564 | Electrostatic fluid accelerator for and a method of controlling fluid flow An electrostatic fluid acceleration and method of operation thereof includes at least two synchronously powered stages. A single power supply or synchronized and phase controlled power supplies provide high voltage power to each of the stages such that both the phas... | 08/28/2007 |
| 7259529 | Charged particle accelerator The present invention provides a charged particle accelerator comprising a charged particle generating apparatus, a bending magnet, accelerating means and a vacuum duct, wherein first and second acceleration periods (22), (23) are provided, acceleratin... | 08/21/2007 |
| 7259378 | Closed drift ion source A closed drift ion source which includes a channel having an open end, a closed end, and an input port for an ionizable gas. A first magnetic pole is disposed on the open end of the channel and extends therefrom in a first direction. A second magnetic pole disposed ... | 08/21/2007 |
| 7244474 | Chemical vapor deposition plasma process using an ion shower grid A chemical vapor deposition process is carried out in a reactor chamber with an ion shower grid that divides the chamber into an upper ion generation region and a lower process region, the ion shower grid having plural orifices oriented in a non-parallel direction r... | 07/17/2007 |
| 7242158 | Distributed RF sources for medical RF accelerator Some embodiments include an accelerator waveguide having a plurality of cavities, and at least two RF power sources, each of the at least two RF power sources being separately coupled to a respective one of the plurality of cavities. ... | 07/10/2007 |
| 7239095 | Dual-plunger energy switch A dual-plunger energy switch assembly for standing wave linear particle beam accelerators capable of operating in a higher energy mode and a lower energy mode employs two mechanical plungers that can be extended different distances inside two side cavities of the li... | 07/03/2007 |
| 7231060 | Systems and methods of generating control signals Separating a source in a stereo signal having a left channel and a right channel includes transforming the signal into a short-time transform domain; computing a short-time similarity measure between the left channel and the right channel; classifying portions of th... | 06/12/2007 |
| 7214950 | Transition radiation apparatus In one embodiment of the present invention, thermal deformation or bending of membranes in a transition radiation emitting structure can be reduced by providing flex regions in the membranes or the membrane support structures. In a second embodiment, deformation of ... | 05/08/2007 |
