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| Number | Title | Issue Date |
| 7888891 | Particle beam accelerator A particle beam generator has a vacuum chamber, a magnet which generates a constant magnetic field in the vacuum chamber, acceleration electrodes which generates a magnetic field in a direction perpendicular to the direction of the magnetic field generated by the ma... | 02/15/2011 |
| 7880408 | Method for designing a radio-frequency cavity, in particular to be used in a cyclotron, radio-frequency cavity realised using such a method, and cyclotron using such a cavity The invention relates to a method for designing a radio-frequency cavity, in particular to be used in a cyclotron, radio-frequency cavity (2) comprising a conductive enclosure or “liner” (3) connected by at least two essentially inductive elements ... | 02/01/2011 |
| 7626347 | Programmable radio frequency waveform generator for a synchrocyclotron A synchrocyclotron comprises a resonant circuit that includes electrodes having a gap therebetween across the magnetic field. An oscillating voltage input, having a variable amplitude and frequency determined by a programmable digital waveform generator generates an... | 12/01/2009 |
| 7466085 | Cyclotron having permanent magnets An apparatus for an improved cyclotron for producing radioisotopes especially for use in association with medical imaging. The improved cyclotron is configured without a conventional electromagnetic coil. A plurality of dees and a plurality of permanent magnets are ... | 12/16/2008 |
| 7456591 | Cyclotron equipped with novel particle beam deflecting means The invention concerns a cyclotron for accelerating a charged particle beam circulating in the median plane essentially in the form of two poles inducing a magnetic field and having a so-called axial injector, that is an injector arranged outside the cyclotron subst... | 11/25/2008 |
| 7446490 | Cyclotron The invention relates to a cyclotron which can produce a beam of accelerated charged particles that are intended for the irradiation of at least one target (200). The inventive cyclotron consists of a magnetic circuit which essentially comprises: an electroma... | 11/04/2008 |
| 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 |
| 7402963 | Programmable radio frequency waveform generator for a synchrocyclotron A synchrocyclotron comprises a resonant circuit that includes electrodes having a gap therebetween across the magnetic field. An oscillating voltage input, having a variable amplitude and frequency determined by a programmable digital waveform generator generates an... | 07/22/2008 |
| 7348579 | Arrangement for performing proton therapy A system for treating a patient by proton therapy, also called gantry, includes a proton beam guide involving, in particular, magnets, quadropoles, and the like and having an outlet aperture for guiding and directing the proton beam to the side in the patient that i... | 03/25/2008 |
| 7323694 | Fluid treatment system and radiation source module for use therein A radiation source module comprising a support member, a radiation source assembly connected to the support member, the radiation source assembly comprising at least one elongate radiation source having a source longitudinal axis and a module-to-surface seal dispose... | 01/29/2008 |
| 7323400 | Plasma processing, deposition and ALD methods A plasma processing method includes providing a substrate in a processing chamber, the substrate having a surface, and generating a plasma in the processing chamber. The plasma provides at least two regions that exhibit different plasma densities. The method include... | 01/29/2008 |
| 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 |
| 7317369 | Superconductor magnet coil configuration A superconducting magnet coil configuration comprising at least one section of a superconducting strip conductor, which is continuously wound in a cylindrical winding chamber (1) between two end flanges (2, 3) in several solenoid-like layers is charact... | 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 |
| 7279882 | Method and apparatus for measuring properties of particle beams using thermo-resistive material properties A beam position detector for measuring the properties of a charged particle beam, including the beam's position, size, shape, and intensity. One or more absorbers are constructed of thermo-resistive material and positioned to intercept and absorb a portion of the in... | 10/09/2007 |
| 7262565 | Spiral orbit charged particle accelerator and its acceleration method According to the present invention, a non-isochronous magnetic field distribution in which the magnetic field increases as the radius increases is formed and a distribution of fixed-frequency accelerating RF voltage is formed, said non-isochronous magnetic field dis... | 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 |
| 7223463 | Stripping foil A foil is formed on a given substrate, then, peeled off of the substrate and floated on the water surface charged in a tank. The surface level of the water is decreased to contact the foil to a folding plate of a jug substrate and thus, fold the foil at the folding ... | 05/29/2007 |
| 7145297 | L-band inductive output tube 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 a cooling air manifold, the m... | 12/05/2006 |
| 7141788 | Ion source and mass spectrometric apparatus A mass spectrometric apparatus of high sensitivity, including a spray ionization interface suitable for the ionization of a low flow-rate liquid that prevents charged particles from being introduced into a vacuum device; wherein the ion source comprises a capillary ... | 11/28/2006 |
| 7088060 | Electron tube for communication An electron tube for communication is provided with an output waveguide that is directly coupled to an outlet port of a RF (Radio Frequency) wave signal, and at least one of a low-pass filter, a high-pass filter, and a band-pass filter is included inside the output ... | 08/08/2006 |
| 7053389 | Charged particle therapy system, range modulation wheel device, and method of installing range modulation wheel device The invention provides a charged particle therapy system capable of increasing the number of patients treated. An irradiation filed forming apparatus for irradiating a charged particle beam extracted from a charged particle beam generator to an irradiation target in... | 05/30/2006 |
| 7038403 | Method and apparatus for maintaining alignment of a cyclotron dee A technique is provided for the alignment of an H/D puller for use in a cyclotron. One aspect of the technique comprises magnetically attaching a pair of feeler gages to an alignment tool for use in aligning the H/D puller. The magnetic retention of the feeler gages... | 05/02/2006 |
| 7030396 | Medical particle irradiation apparatus Disclosed is a medical particle irradiation apparatus comprising a rotating gantry 1 including an irradiation unit 4 emitting particle beams; an annular frame 16 located within and supported by the rotating gantry 1 such that it can rotat... | 04/18/2006 |
| 6914396 | Multi-stage cavity cyclotron resonance accelerator A high-current, high-gradient, high-efficiency, multi-stage cavity cyclotron resonance accelerator (MCCRA) provides energy gains of over 50 MeV/stage, at an acceleration gradient that exceeds 20 MeV/m, in room temperature cavities. The multi-stage cavity cyclotron r... | 07/05/2005 |
| 6909764 | Method and apparatus for high-energy generation and for inducing nuclear reactions A system is provided for generating high-energy particles and for inducing nuclear reactions. The system includes a laser and for emitting a laser beam, an irradiation target for receiving the laser beam and producing high-energy particles, and a secondary target fo... | 06/21/2005 |
| 6903356 | Medical particle irradiation apparatus Disclosed is a medical particle irradiation apparatus comprising a rotating gantry 1 including an irradiation unit 4 emitting particle beams; an annular frame 16 located within and supported by the rotating gantry 1 such that it can rotat... | 06/07/2005 |
| 6894446 | Controlled fusion in a field reversed configuration and direct energy conversion A system and apparatus for controlled fusion in a field reversed configuration (FRC) magnetic topology and conversion of fusion product energies directly to electric power. Preferably, plasma ions are magnetically confined in the FRC while plasma electrons are elect... | 05/17/2005 |
| 6873123 | Device and method for regulating intensity of beam extracted from a particle accelerator The invention concerns a device (10) for regulating the intensity of a beam extracted from a particle accelerator, such as a cyclotron, used for example for protontherapy, said particles being generated from an ion source. The invention is characterized in th... | 03/29/2005 |
| 6828553 | Compact very high resolution time-of flight mass spectrometer The invention relates to a compact time-of-flight mass spectrometer which enables very accurate mass determinations. The invention consists of a method of producing a high resolution by means of a long flight path, where the ion beam repeatedly sweeps a figure of ei... | 12/07/2004 |
| 6803591 | Medical particle irradiation apparatus Disclosed is a medical particle irradiation apparatus comprising a rotating gantry 1 including an irradiation unit 4 emitting particle beams; an annular frame 16 located within and supported by the rotating gantry 1 such that it can rotat... | 10/12/2004 |
| 6800866 | Accelerator system and medical accelerator facility To provide an accelerator system having a wide ion beam current control range, being capable of operating with low power consumption and a long maintenance interval and being capable of preventing unnecessarily large dose of the ion beam for irradiation from erroneo... | 10/05/2004 |
| 6717162 | Method for treating a target volume with a particle beam and device implementing same The invention concerns a method for treating a target volume with a particle beam, in particular a proton beam, which consists in generating said particle beam using an accelerator and in producing from said beam a narrow spot directed towards the target volume, cha... | 04/06/2004 |
| 6683426 | Isochronous cyclotron and method of extraction of charged particles from such cyclotron The present inventions is related to a superconducting or non-superconducting isochronous sector-focused cyclotron, comprising an electromagnet with an upper pole and a lower pole that constitute the magnetic circuit, the poles being made of at least thre... | 01/27/2004 |
| 6677597 | Device and method for controlling a raster scanner in ion-beam therapy The invention relates to an apparatus and a method for the feedback control of a grid scanner in ion therapy. An apparatus of that kind for the feedback control of a grid scanner has scanner magnet current supply devices for ion beam scanner magnets that ... | 01/13/2004 |
| 6628740 | Controlled fusion in a field reversed configuration and direct energy conversion A system and apparatus for controlled fusion in a field reversed configuration (FRC) magnetic topology and conversion of fusion product energies directly to electric power. Preferably, plasma ions are magnetically confined in the FRC while plasma electron... | 09/30/2003 |
| 6617810 | Multi-stage cavity cyclotron resonance accelerators A high-current, high-gradient, high-efficiency, multi-stage cavity cyclotron resonance accelerator (MCCRA) provides energy gains of over 50 MeV/stage, at an acceleration gradient that exceeds 20 MeV/m, in room temperature cavities. The multi-stage cavity ... | 09/09/2003 |
| 6603247 | Energy storage and recovery system An energy storage device in which a vacuum tube and a magnetic field are used to store electrons circulating within the tube along spiral paths. The vacuum tube can have a generally toroidal shape and contains an electron gun or filament to inject electro... | 08/05/2003 |
| 6586887 | High-frequency power supply apparatus for plasma generation apparatus A high-frequency power supply apparatus for a plasma generation apparatus having a modulator for generating an intermittent high-frequency output on the basis of a modulation reference signal and a peak value setting signal, the high-frequency power suppl... | 07/01/2003 |
| 6445146 | Method of reducing axial beam focusing A method is disclosed for minimising the diameter of the magnet poles of a cyclotron system for production of radioactive tracers. The method selects an operation mode having vz defined below the critical resonance value of vz =1/2 a... | 09/03/2002 |
