Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 8169167 | Methods for diagnosing and automatically controlling the operation of a particle accelerator Methods are described wherein the signals from various sensors that monitor parameters such as beam position, beam intensity at each turn, number of turns, extracted current, extracted beam profile in space and energy are used to determine the effect of the variatio... | 05/01/2012 |
| 8089224 | Methods for diagnosing and automatically controlling the operation of a particle accelerator Methods are described wherein the signals from various sensors that monitor parameters such as beam position, beam intensity at each turn, number of turns, extracted current, extracted beam profile in space and energy are used to determine the effect of the variatio... | 01/03/2012 |
| 7755305 | Charged particle beam extraction system and method A charged particle beam extraction system and method capable of shortening the irradiation time and increasing the number of patients treatable per unit time. The charged particle beam extraction system comprises a synchrotron for cyclically performing patterned ope... | 07/13/2010 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 7277558 | Method and system for estimating the position of moving objects in images A method and system are disclosed for estimating a position of moving objects in a set of image data. In accordance with exemplary embodiments of the present invention, a position of an object is identified in a first frame of image data acquired at a first time. Th... | 10/02/2007 |
| 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 |
| 7227284 | Alignment apparatus and exposure apparatus using the same An alignment apparatus which generates a driving force between a plate-like movable element and a stator facing the movable element to control alignment of the movable element. The apparatus includes movable element magnets which are arrayed in a plate-like plane of... | 06/05/2007 |
| 7208890 | Multi-section particle accelerator with controlled beam current A particle accelerator system, including apparatuses and methods, that is configurable through repositioning of shorting devices therein to operate at different charged particle beam currents while maintaining optimum transfer of electromagnetic power from electroma... | 04/24/2007 |
| 7208889 | Particle accelerator having wide energy control range A particle accelerator system for producing a charged particle beam having pulses of charged particles that have different energy levels from pulse to pulse. The system enables independent adjustment of the RF power delivered to first and second accelerating section... | 04/24/2007 |
| 7206379 | RF accelerator for imaging applications The present invention is an RF cavity for accelerating electrons in imaging applications such as x-ray tubes and CT applications. An RF cavity having electron emitters placed therein accelerates the electrons across the cavity. The geometric shape of the cavity dete... | 04/17/2007 |
| 7199384 | Inductively-driven light source for lithography An apparatus for producing light includes a chamber that has a plasma discharge region and that contains an ionizable medium. The apparatus also includes a magnetic core that surrounds a portion of the plasma discharge region. The apparatus also includes a pulse pow... | 04/03/2007 |
| 7184216 | Optical pulse duration extender An optical pulse extender includes a delay loop formed by a plurality of mirrors and a graded reflectivity beamsplitter. The mirrors and the beamsplitter are configured and aligned such that a pulse to be broadened makes a predetermined number of round trips in the ... | 02/27/2007 |
| 7183717 | Inductively-driven light source for microscopy An apparatus for producing light includes a chamber that has a plasma discharge region and that contains an ionizable medium. The apparatus also includes a magnetic core that surrounds a portion of the plasma discharge region. The apparatus also includes a pulse pow... | 02/27/2007 |
| 7173385 | Compact accelerator A compact linear accelerator having at least one strip-shaped Blumlein module which guides a propagating wavefront between first and second ends and controls the output pulse at the second end. Each Blumlein module has first, second, and third planar conductor strip... | 02/06/2007 |
| 7129656 | Apparatus for magnetic and electrostatic confinement of plasma An apparatus and method for containing plasma and forming a Field Reversed Configuration (FRC) magnetic topology are described in which plasma ions are contained magnetically in stable, non-adiabatic orbits in the FRC. Further, the electrons are contained electrosta... | 10/31/2006 |
| 7122978 | Charged-particle beam accelerator, particle beam radiation therapy system using the charged-particle beam accelerator, and method of operating the particle beam radiation therapy system A charged-particle beam accelerator includes an RF-KO unit for increasing the amplitude of betatron oscillation of a charged-particle beam within a stable region of resonance and an extraction quadrupole electromagnet unit for varying the stable region of resonance.... | 10/17/2006 |
| 7116064 | Axisymmetric emittance-compensated electron gun An electron gun includes a cathode, a cavity, and an energy input. The cavity resonates at a particular frequency, and the cathode generates an electron beam along its longitudinal axis when driven by resonant electromagnetic radiation of the particular frequency. T... | 10/03/2006 |
| 7078852 | 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... | 07/18/2006 |
| 7075198 | Alignment apparatus and exposure apparatus using the same An exposure apparatus that includes a first movable stage which holds a first wafer and aligns the first wafer at a predetermined position, a second movable stage which holds a second wafer and aligns the second wafer at a predetermined position, first stator coils ... | 07/11/2006 |
| 7071479 | 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... | 07/04/2006 |
| 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 |
| 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 |
| 7049613 | Particle beam irradiation system and method of adjusting irradiation field forming apparatus A particle therapy system, as one example of a particle beam irradiation system, comprises a charged particle beam generator and an irradiation field forming apparatus. An ion beam from the charged particle beam generator is irradiated to a diseased part in the body... | 05/23/2006 |
| 7045978 | Multi-channel induction accelerator A multi-channel induction accelerator (MIAC) comprised of the injector block, the drive source, the output device, and the multi-channel induction acceleration block. The latter is made in the form of an aggregate of one-channel linear induction acceleration blocks ... | 05/16/2006 |
| 7035012 | Optical pulse duration extender An optical pulse extender includes a delay loop formed by a plurality of mirrors and a graded reflectivity beamsplitter. The mirrors and the beamsplitter are configured and aligned such that a pulse to be broadened makes a predetermined number of round trips in the ... | 04/25/2006 |
| 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 |
| 7030398 | Laser driven ion accelerator A system and method of accelerating ions in an accelerator to optimize the energy produced by a light source. Several parameters may be controlled in constructing a target used in the accelerator system to adjust performance of the accelerator system. These paramete... | 04/18/2006 |
| 7030577 | Multi-channel undulative induction accelerator A multi-channel undulation induction accelerator of charged particles, comprising an injector block, drive source, output systems, turning systems, and induction acceleration block, which is made in the form of at least two one-channel linear induction acceleration ... | 04/18/2006 |
| 7026636 | 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... | 04/11/2006 |
| 7026763 | Apparatus for magnetic and electrostatic confinement of plasma An apparatus and method for containing plasma and forming a Field Reversed Configuration (FRC) magnetic topology are described in which plasma ions are contained magnetically in stable, non-adiabatic orbits in the FRC. Further, the electrons are contained electrosta... | 04/11/2006 |
