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| Number | Title | Issue Date |
| 8188688 | Magnetic field control method and apparatus used in conjunction with a charged particle cancer therapy system The invention comprises a charged particle beam acceleration, extraction, and/or targeting method and apparatus used in conjunction with charged particle beam radiation therapy of cancerous tumors. Novel design features of a synchrotron are described. Particularly, ... | 05/29/2012 |
| 8183800 | Induced voltage control device, its control method, charged particle beam orbit control device, and its control method An object of the invention is to provide the orbit control device for modulating the orbital deviations of the charged particle beam and its control method, wherein in the synchrotron making use of induction cells, the charged particle beam orbit control device is c... | 05/22/2012 |
| 8111024 | 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... | 02/07/2012 |
| 8084965 | All-Ion accelerator and control method of the same An accelerator that can accelerate by itself all ions up to any energy level allowed by the magnetic fields for beam guiding, and provides an all-ion accelerator in which with trigger timing and a charging time of an induced voltage applied to an ion beam injected f... | 12/27/2011 |
| 7977895 | Perturbation device for charged particle circulation system A perturbation device for a charged particle circulation system, capable of readily generating a distribution profile of a perturbation magnetic field, is provided. By partially superposing a perturbation magnetic field on a main magnetic field for circulating charg... | 07/12/2011 |
| 7956557 | Support structures for planar insertion devices A planar insertion device and supporting structure for a planar insertion device for treating a synchrotron radiation beam includes a primary frame on which at least two secondary C-frames are mounted. An upper and a lower girders are mounted on the secondary C-fram... | 06/07/2011 |
| 7884559 | Multi-energy frequency-multiplying particle accelerator and method thereof A multi-energy frequency-multiplying particle accelerator and a method thereof are disclosed, an accelerator comprises a pulse power generation unit for generating N pulse signals with different power levels, N is equal to or greater than 2; N microwave power genera... | 02/08/2011 |
| 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 |
| 7425717 | Particle beam irradiation apparatus, treatment planning unit, and particle beam irradiation method A particle beam irradiation apparatus includes a synchrotron, two scanning electromagnets, an beam delivery apparatus for outputting an ion beam extracted from the synchrotron, and an accelerator and transport system controller, and a scanning controller. These cont... | 09/16/2008 |
| 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 |
| 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 |
| 7315141 | Method for the production of wideband THz radiation A method for the production of extremely wide bandwidth THz radiation comprising: delivering an electron beam from a source to an undulator that does not deflect the angle or transversely move the electron beam; and optimizing the undulator to yield peak emission in... | 01/01/2008 |
| 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 |
| 7262566 | Standing-wave electron linear accelerator A particle accelerator system, including apparatuses and methods, for producing a beam of bunched charged particles at high intensities and with minimal energy dispersion comprises a bunching section having a plurality of bunching cavities, an accelerating section h... | 08/28/2007 |
| 7227434 | Tuning screw assembly The present invention relates to a tuning screw assembly comprising a sleeve (100) with internal threads for engaging a tuning screw (200) having external threads. The sleeve comprises a first threaded portion (32) which is axially displaced in ... | 06/05/2007 |
| 7227161 | Particle beam irradiation apparatus, treatment planning unit, and particle beam irradiation method A particle beam irradiation apparatus includes a synchrotron, two scanning electromagnets, an beam delivery apparatus for outputting an ion beam extracted from the synchrotron, and an accelerator and transport system controller, and a scanning controller. These cont... | 06/05/2007 |
| 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 |
| 7141810 | Particle beam irradiation system A particle beam irradiation system which can increase an availability factor. An ion beam extracted from one proton beam linac is bent at 90 degrees by a switching magnet and is introduced to RI production equipment through a beam line. In the RI production equipmen... | 11/28/2006 |
| 7129807 | Undulator and method of operation thereof In an undulator for the generation of synchrotron radiation from a particle beam introduced into the undulator, two partial undulators are provided each comprising a conductor of superconductive material which, when a current is conducted therethrough, generates an ... | 10/31/2006 |
| 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 |
| 7060997 | Particle therapy system A particle therapy system is provided which can simply and quickly correct a beam orbit. In a particle therapy system provided with an irradiation facility comprising a first beam transport system for receiving a beam and transporting the beam to the patient side, a... | 06/13/2006 |
| 7054801 | Radiation treatment plan making system and method A radiation exposure region to be irradiated with particle beams and a peripheral region thereof are respectively divided into pluralities of exposure regions, radiation treatment simulation for applying particle beams according to the shape of each divided exposure... | 05/30/2006 |
| 7053565 | 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 with final or rear-most electrodes of one stage maintained at substantially the same instantaneous voltage as the immediately adjacent initial or f... | 05/30/2006 |
| 6936832 | Particle therapy system A particle therapy system is provided which can simply and quickly correct a beam orbit. In a particle therapy system provided with an irradiation facility comprising a first beam transport system for receiving a beam and transporting the beam to the patient side, a... | 08/30/2005 |
| 6906478 | Method of reducing the power consumption of pre-accelerator in energy-recovery linac A method of producing synchrotron radiation comprising the steps of accelerating and compressing an electron beam generated from an electron source by means of a pre-accelerator, further accelerating the electron beam in a main accelerator to produce synchrotron rad... | 06/14/2005 |
| 6903351 | Charged particle beam irradiation equipment having scanning electromagnet power supplies A power supply for applying a voltage to a scanning electromagnet for deflecting a charged particle beam has a first power supply unit having no filter and a second power supply unit having a filter. When an irradiation position of the charged particle beam in an ir... | 06/07/2005 |
| 6858998 | Variable-period undulators for synchrotron radiation A new and improved undulator design is provided that enables a variable period length for the production of synchrotron radiation from both medium-energy and high-energy storage rings. The variable period length is achieved using a staggered array of pole pieces mad... | 02/22/2005 |
| 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 |
| 6822405 | Deceleration of hadron beams in synchrotrons designed for acceleration A method for using a synchrotron, the method including the steps of: providing a synchrotron designed to accelerate a hadron beam to higher momenta; altering said synchrotron to enable deceleration of hadron beams to lower momenta; and using the synchrotron in said ... | 11/23/2004 |
| 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 |
| 6774383 | Particle therapy system A particle therapy system is provided which can simply and quickly correct a beam orbit. In a particle therapy system provided with an irradiation facility comprising a first beam transport system for receiving a beam and transporting the beam to the patient side, a... | 08/10/2004 |
| 6580084 | Accelerator system An accelerator system which can be implemented in a small size at low manufacturing cost and which can nonetheless ensure a high utilization efficiency of the ion beam. The system includes an ion source for generating an ion beam, pre-accelerators for acc... | 06/17/2003 |
| 6462490 | Method and apparatus for controlling circular accelerator A control method and apparatus of a circular accelerator can adjust a timing of emitting a charged particle beam in the circular accelerator. Generation of a clock pulse having a fixed period is suspended after acceleration of the charged particle beam ha... | 10/08/2002 |
| 6433349 | Charged-particle beam irradiation method and system A charged-particle beam irradiation system for an affected part in which while a charged-particle beam ejected from an accelerator is scanned by an electromagnet onto the affected part, each layer of the affected part resulting from division of the affect... | 08/13/2002 |
| 6433336 | Device for varying the energy of a particle beam extracted from an accelerator A device for varying the energy of a particle beam extracted from a fixed-energy particle accelerator includes a block of energy degrading material positioned in the path of the particle beam. The block of energy degrading material is preferably in the fo... | 08/13/2002 |
| 6365894 | Electromagnet and magnetic field generating apparatus An electromagnet comprises a pair of magnetic pole 1a and 1b, a return yoke 3, exciting coils 4 and 5, etc. In an interior portion of a magnetic pole, plural spacers 2a-2g are provided putting side by side in a horizontal direction. Each of the spaces 2a-... | 04/02/2002 |
| 6265837 | Charged-particle beam irradiation method and system A charged-particle beam irradiation method and system are disclosed in which while a charged-particle beam ejected from an accelerator is scanned by an electromagnet, each layer resulting from the division of an affected part into a plurality of layers in... | 07/24/2001 |
| 6087670 | Synchrotron type accelerator and medical treatment system employing the same A synchrotron type accelerator including a deflecting electromagnet arranged on a circulating orbit of a charged particle beam, four-pole divergence electromagnets and four-pole convergence electromagnets arranged on said circulating orbit. A high frequen... | 07/11/2000 |
| 6057656 | Magnet block assembly for insertion device Disclosed is a novel composite magnet assembly for an insertion device of the Halbach type or hybrid type to be inserted into the linear part of, for example, an electron accelerator to generate a sine-curved periodical magnetic field in the air gap betwe... | 05/02/2000 |
| 6008499 | Synchrotron type accelerator and medical treatment system employing the same An object of the present invention is to provide a small synchrotron type accelerator and a medical treatment system employing the same. In order to attain this object, according to the present invention, a synchrotron type accelerator includes: a deflect... | 12/28/1999 |
