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| Number | Title | Issue Date |
| 8183801 | Interlaced multi-energy radiation sources Multi-energy radiation sources comprising charged particle accelerators driven by power generators providing different RF powers to the accelerator, capable of interlaced operation, are disclosed. Automatic frequency control techniques are provided to match the freq... | 05/22/2012 |
| 8169166 | Low-injection energy continous linear electron accelerator This invention relates to continuous standing-wave linear electron accelerator (9) comprising a low-energy electron source (10), for example, within a range of 10-20 keV, an accelerating structure (1 or 1′) for accelerating low initial ... | 05/01/2012 |
| 8148923 | Method for accelerating electrons in a linear accelerator and an accelerating structure for carrying out said method Low-injection energy electrons are accelerated in a continuous standing wave linear accelerator. Electron flow is supplied directly from a low-energy electron source to subsequent sequential accelerating units interconnected via connection cells. By grouping electro... | 04/03/2012 |
| 8111025 | Charged particle accelerators, radiation sources, systems, and methods Man-portable radiation generation sources and systems that may be carried by hand to a site of interest by one or two people, are disclosed. Methods of use of such sources and systems are also disclosed. Battery operated radiation generation sources, air cooled radi... | 02/07/2012 |
| 8093840 | Use of off-axis injection as an alternative to geometrically merging beams in an energy-recovering linac A method of using off-axis particle beam injection in energy-recovering linear accelerators that increases operational efficiency while eliminating the need to merge the high energy re-circulating beam with an injected low energy beam. In this arrangement, the high ... | 01/10/2012 |
| 7952304 | Radiation system 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 subject objects by irradiati... | 05/31/2011 |
| 7898192 | Modular linac and systems to support same Some embodiments include an accelerator waveguide to generate an accelerated radiation beam, and a housing to house to accelerator waveguide. The housing may include an interface to couple the housing to and to decouple the housing from a movable support. Some aspec... | 03/01/2011 |
| 7898193 | Slot resonance coupled standing wave linear particle accelerator A slot resonance coupled, linear standing wave particle accelerator. The accelerator includes a series of resonant accelerator cavities positioned along a beam line, which are connected by resonant azimuthal slots formed in interior walls separating adjacent cavitie... | 03/01/2011 |
| 7868564 | H-mode drift-tube linac and design method therefor A linearity of a voltage change to a tuner insertion amount is verified for at least one of a plurality of tuners. Based on the voltage change linearity, individual voltage change data corresponding to respective insertion amounts are calculated for each of the plur... | 01/11/2011 |
| 7859199 | Magnetic chicane for terahertz management The introduction of a magnetic electron beam orbit chicane between the wiggler and the downstream initial bending dipole in an energy recovering Linac alleviates the effects of radiation propagated from the downstream bending dipole that tend to distort the proximat... | 12/28/2010 |
| 7821213 | Techniques for controlling a charged particle beam Techniques for controlling a charged particle beam are disclosed. In one particular exemplary embodiment, the techniques may be realized as a charged particle acceleration/deceleration system. The charged particle acceleration/deceleration system may comprise an acc... | 10/26/2010 |
| 7759883 | Dual-rotary-coupling, internal-waveguide linac for IORT Electromedical apparatus for intraoperative radiotherapy via a linac. It includes an arm in which, at an extremity thereof, an oscillator is assembled which generates electromagnetic waves, and which supports, at an opposite extremity thereof, a radiating head in wh... | 07/20/2010 |
| 7710051 | Compact accelerator for medical therapy A compact accelerator system having an integrated particle generator-linear accelerator with a compact, small-scale construction capable of producing an energetic (˜70-250 MeV) proton beam or other nuclei and transporting the beam direction to a medical therapy pat... | 05/04/2010 |
| 7683556 | System with acceleration tube conditioning apparatus and acceleration tube conditioning method In an acceleration tube conditioning apparatus for performing a conditioning process on an acceleration tube when a high frequency power signal to be supplied to an acceleration tube is generated by a high frequency power supply, a power value collecting section col... | 03/23/2010 |
| 7679297 | Petawatt pulsed-power accelerator A petawatt pulsed-power accelerator can be driven by various types of electrical-pulse generators, including conventional Marx generators and linear-transformer drivers. The pulsed-power accelerator can be configured to drive an electrical load from one- or two-side... | 03/16/2010 |
| 7649328 | Compact high-power pulsed terahertz source A sub-mm wave source based on Cherenkov resonant radiation of a microbunched electron beam radiating coherently in a dielectric-loaded pipe. The microbunched electron beam is produced in a pulse photoinjector by illuminating a metal photocathode with sub-ps or multi... | 01/19/2010 |
| 7615942 | Cast dielectric composite linear accelerator A linear accelerator having cast dielectric composite layers integrally formed with conductor electrodes in a solventless fabrication process, with the cast dielectric composite preferably having a nanoparticle filler in an organic polymer such as a thermosetting re... | 11/10/2009 |
| 7609009 | Linear ion accelerator The electrode lengths of a plurality of electrodes linearly arranged in an acceleration cavity are proportional to the velocity of a traveling ion beam. Further, the electrode length is so designated that, in each half of a predetermined cycle in the ion beam direct... | 10/27/2009 |
| 7576499 | Sequentially pulsed traveling wave accelerator A sequentially pulsed traveling wave compact accelerator having two or more pulse forming lines each with a switch for producing a short acceleration pulse along a short length of a beam tube, and a trigger mechanism for sequentially triggering the switches so that ... | 08/18/2009 |
| 7554275 | Proton accelerator complex for radio-isotopes and therapy A complex of proton accelerators, includes the following functionally interconnected components: a proton source, a cyclotron, at least one target, located either internally or externally to the cyclotron, a medium energy beam transport magnetic channel, a radiofreq... | 06/30/2009 |
| 7541755 | Inductive load broadband RF system Many applications in scientific experimentation or industrial production require the generation and shaping of charged particle bunches. A particle bunch shaper can use less expensive and smaller electrical waveform generators when the particle bunch shaper uses a n... | 06/02/2009 |
| 7440568 | Bipolar pulse forming line A bipolar pulse forming transmission line module for linear induction accelerators having first, second, third, fourth, and fifth planar conductors which form an interleaved stack with dielectric layers between the conductors. Each conductor has a first end, and a s... | 10/21/2008 |
| 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 |
| 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 |
| 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 |
| 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 |
| 7400094 | Standing wave particle beam accelerator having a plurality of power inputs A device for generating a particle beam includes a particle source, and a structure having a first section and a second section, the first section coupled to the particle source, the first section having a first power input, and the second section having a second po... | 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 |
| 7385203 | Charged particle beam extraction system and method A charged particle beam extraction system and method capable of ensuring higher safety when extraction of an ion beam is on/off-controlled during irradiation of the ion beam for treatment. The charged particle beam extraction system comprises a charged particle beam... | 06/10/2008 |
| 7381967 | Non-axisymmetric charged-particle beam system The charged-particle beam system includes a non-axisymmetric diode forms a non-axisymmetric beam having an elliptic cross-section. A focusing element utilizes a magnetic field for focusing and transporting the non-axisymmetric beam, wherein the non-axisymmetric beam... | 06/03/2008 |
| 7355357 | Plasma accelerator A plasma accelerator is provided. The plasma accelerator includes a chamber having a closed top, an opened bottom and a lateral surface, a first coil section comprising a plurality of coils that are connected to one another in series and are wound around the lateral... | 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 |
| 7342230 | Terahertz imaging system and associated method A terahertz imaging system uses a terahertz light source to illuminate a target object with a series of short pulses of terahertz light. The pulses have a low average output power but a high peak output power, thereby enabling imaging of the suspicious object or per... | 03/11/2008 |
| 7336764 | Electron beam accelerator and ceramic stage with electrically-conductive layer or coating therefor A ceramic electron beam accelerator is disclosed finding particularly efficacious uses in X-ray electronic circuit imaging and testing applications. The ceramic stage design eliminates the need for placing metal reinforcements between adjoining stages of the acceler... | 02/26/2008 |
| 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 |
| 7297967 | Particle beam irradiation system and method of adjusting irradiation apparatus The present invention provides an increased degree of uniformity of radiation dose distribution for the interior of a diseased part. A particle beam therapy system includes a charged particle beam generation apparatus and an irradiation apparatus. An ion beam is gen... | 11/20/2007 |
| 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 |
| 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 |
