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7626180 |
Charged particle beam apparatus, method for controlling charged particle, and frequency adjustment apparatus
An ion gun 11 supplies an Ar gas into a main body 111 from a gas inlet 114 , causes DC hot cathode discharge between a filament 113 and an anode 112 to generate Ar plasma. Next, a voltage...
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7612346 |
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...
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7570142 |
Permanent magnet for particle beam accelerator and magnetic field generator
A permanent magnet for a particle accelerator and a magnetic field generator, in which Nd—Fe—B based magnets are used but are not demagnetized so easily even when exposed to a radiation, are...
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7560715 |
System for the delivery of proton therapy
A process for an intensity-modulated proton therapy of a predetermined volume within an object includes discretising the predetermined volume into a number of iso-energy layers each corresponding...
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7521674 |
Method for trapping uncharged multi-pole particles
Apparatus and method for trapping uncharged multi-pole particles comprises a bound cavity for receiving the particles, and a multiplicity of electrodes coupled to the cavity for producing an...
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7501640 |
Low energy electron cooling system and method for increasing the phase space intensity and overall intensity of low energy ion beams
A low energy electron cooling system and method for increasing the phase space intensity and overall intensity of low energy ion beams, including a vacuum chamber to allow electron beam and ion...
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7471053 |
Multi-beam klystron apparatus
The present invention provides a multi-beam klystron apparatus. In the above-described multi-beam klystron apparatus, the magnetic field generating element of the electron-gun-unit-side magnetic...
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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...
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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...
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7453076 |
Bi-polar treatment facility for treating target cells with both positive and negative ions
A system for treating target cells with both positive and negative ions comprises a bi-polar beam delivery system configured to create and deliver both positive ion beams and negative ion beams....
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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...
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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...
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7420182 |
Combined radio frequency and hall effect ion source and plasma accelerator system
This invention features a combined radio frequency (RF) and Hall Effect ion source and plasma accelerator system including a plasma accelerator having an anode and a discharge zone, the plasma...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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7253572 |
Electromagnetic induced accelerator based on coil-turn modulation
An electromagnetic induced accelerator based on coil-turn modulation, including inner and outer cylinders with different diameters, the cylinders being coaxially disposed to form a channel which is...
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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...
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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...
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7154107 |
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...
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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...
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7084572 |
Plasma-accelerator configuration
The invention relates to various advantageous embodiments of a plasma-accelerator configuration, especially for the configuration and design of electron sources used for ionizing the working gas...
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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...
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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...
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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...
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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...
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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...
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7030576 |
Multichannel hall effect thruster
A Hall effect thruster for propelling spacecraft and satellites includes at least two acceleration channels, each of the channels has a closed end and an open end, and a plurality of flux guides...
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7012385 |
Multi-channel induction accelerator with external channels
The invention addresses a multi-channel induction accelerator with external channels, which in its broadest form includes an injector block, a drive system, a block of output systems, and a...
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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...
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6903521 |
Electromagnetic induced accelerator
An electromagnetic induced accelerator includes internal and external circular loop inductors for inducing a magnetic field when a current is applied to the internal and external circular loop...
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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...
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6856105 |
Multi-energy particle accelerator
Some embodiments include operation of an accelerator waveguide to accelerate particles to a first energy within the waveguide, wherein a prebuncher coupled to the waveguide outputs particle bunches...
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6855942 |
Apparatus for pre-acceleration of ion beams used in a heavy ion beam applications system
The present invention relates to an apparatus for pre-acceleration of ions and optimized matching of beam parameters used in a heavy ion application comprising a radio frequency quadruple...
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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...
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6798141 |
Plasma accelarator arrangement
For a plasma accelerator arrangement having a focused electron beam introduced into a plasma chamber, an annular structure of the chamber and a hollow cylindrical form of the electron beam are...
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6777862 |
Segmented electrode hall thruster with reduced plume
An apparatus and method for thrusting plasma, utilizing a Hall thruster with segmented electrodes along the channel, which make the acceleration region as localized as possible. Also disclosed are...
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6724160 |
Ion-source neutralization with a hot-filament cathode-neutralizer
In accordance with one embodiment of the present invention, the ion-beam apparatus takes the form of a gridless ion source with a hot-filament cathode-neutralizer, in which the hot filament is...
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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...
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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...
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6670767 |
Method for generating a train of fast electrical pulses and applying the pulses to an undulator
A method for generating a closely spaced train of extremely high voltage short pulses. The method involves generating the train of pulses by combining a plurality of harmonic amplitudes to...
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6617598 |
Charged particle beam irradiation apparatus
An charged particle beam irradiation apparatus is provided which increases the width in a depth direction of a Bragg peak to be formed, by means of a simple construction. The charged particle beam...
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6545436 |
Magnetic containment system for the production of radiation from high energy electrons using solid targets
The present invention includes a magnetic storage ring into which electrons or other charged particles can be injected from a point external to the ring and still subscribe a path, after injection,...
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6476403 |
Gantry with an ion-optical system
The present invention is drawn to a gantry for an ion-optical system comprising an ion source and three bending magnets for deflecting an ion beam about an axis of rotation. A plurality of...
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