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8089222 |
Fast electromagnet device
A fast electromagnet device (140) receives a high voltage from a pulse power supply through a coaxial cable and excites an electromagnet at high speed, so as to bend a charged particle beam. The...
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7999239 |
Techniques for reducing an electrical stress in an acceleration/deceleraion system
Techniques for reducing an electrical stress in a acceleration/deceleration system are disclosed. In one particular exemplary embodiment, the techniques may be realized as an...
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7973485 |
Particle controller
A particle controller is disclosed. In some embodiments, a particle controller includes an input port configured to receive a particle stream and a set of cells configured to form a tube through...
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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...
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7884333 |
Particle beam and crabbing and deflecting structure
A new type of structure for the deflection and crabbing of particle bunches in particle accelerators comprising a number of parallel transverse electromagnetic (TEM)-resonant) lines operating in...
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7820986 |
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...
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7816870 |
Fast ferroelectric phase shift controller for accelerator cavities
A method and systems for fast ferroelectric tuning of RF power used in a particle accelerating system. By adjusting the voltages fed to the ferroelectric phase shift controller, the amplitude and...
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7786675 |
Fast ferroelectric phase shift controller for accelerator cavities
The present invention relates to methods and systems for fast ferroelectric tuning of RF power used in a particle accelerating system. By adjusting the voltages fed to the ferroelectric phase shift...
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7741781 |
Radio-frequency accelerating cavity and circular accelerator
An RF accelerating cavity includes an accelerating cavity unit and an inductance varying device having a magnetic member connected parallel to an acceleration electrode gap. The RF accelerating...
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7710041 |
Microwave tube
An output power adjusting mechanisms for adjusting output power is provided on a wave guide of a high frequency output section coupled to an output cavity. The output power adjusting mechanisms is...
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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...
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7619363 |
Electronic energy switch
An energy switch for use in a radiation system includes an element located within a structure having a cavity, the element capable of being biased by a magnetic field, and a device for generating...
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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...
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7576339 |
Ion implantation apparatus and method for obtaining non-uniform ion implantation energy
An ion implantation apparatus includes an ion beam source for generating an ion beam; an implantation energy controller disposed on a path of the ion beam for controlling the ion implantation...
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7554106 |
Partial ion implantation apparatus and method using bundled beam
An ion implantation apparatus comprises an ion beam source for generating an initial ion beam, a bundled ion beam generator adapted to change the initial ion beam into a bundled ion beam based on a...
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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...
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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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7446478 |
Klystron amplifier
A klystron has a plurality of electron beam paths and plural damped disc-shaped cavities. The plurality of electron beam paths cut the cavities and the Klystron amplifier further comprises an...
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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...
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7414355 |
Charged particle beam extraction and formation apparatus
A charged particle apparatus, with multiple electrically conducting semispheric grid electrodes, the grid electrodes mounted in a dielectric mounting ring, with hidden areas or regions to maintain...
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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...
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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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7348569 |
Acceleration of charged particles using spatially and temporally shaped electromagnetic radiation
A method and apparatus for accelerating charged particles are disclosed, wherein the method comprises using at least a transverse component of a temporally and spatially shaped electromagnetic...
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7312461 |
Laparoscopic tumor therapy using high energy electron irradiation
A laparoscopic tumor therapy method and an articulated electron beam transport system are provided for use with a high power, long focus electron source for tumor therapy. The high power, long...
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7276708 |
Diagnostic resonant cavity for a charged particle accelerator
Disclosed is a diagnostic resonant cavity for determining characteristics of a charged particle beam, such as an electron beam, produced in a charged particle accelerator. The cavity is based on...
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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...
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7239095 |
Dual-plunger energy switch
A dual-plunger energy switch assembly for standing wave linear particle beam accelerators capable of operating in a higher energy mode and a lower energy mode employs two mechanical plungers that...
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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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7151255 |
Travelling field for packaging ion beams
The invention relates to a device and a method for producing, from any previously configured ion beams, precisely localized small packages of ions which all fly at the same velocity. The invention...
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7151347 |
Passivated niobium cavities
A niobium cavity exhibiting high quality factors at high gradients is provided by treating a niobium cavity through a process comprising: 1) removing surface oxides by plasma etching or a similar...
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7138771 |
Apparatus for pre-acceleration of ion beams used in a heavy ion beam application 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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7112924 |
Electronic energy switch for particle accelerator
Some embodiments include an accelerator waveguide to receive RF power, the accelerator waveguide comprising a side cavity, an element fixedly disposed within the side cavity, and a device coupled...
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7106004 |
All cavity magnetron axial extractor
An axial extractor to efficiently extract microwave power from any magnetron. The axial extractor is both more compact and offers improved overall performance compared to the prior art. The axial...
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7012386 |
Enhanced RF window for waveguide used with particle accelerator
An RF window and a method of manufacture of the RF window are provided. The RF window of the invention has very low reflected RF power. The RF window includes a center sleeve assembly including a...
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6987361 |
Field emission cathode gating for RF electron guns and planar focusing cathodes
A novel method of gating electron emission from field-emitter cathodes for radio frequency (RF) electrode guns and a novel cathode that provides a focused electron beam without the need for...
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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...
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6864633 |
X-ray source employing a compact electron beam accelerator
A standing wave electron beam accelerator and x-ray source is described. The accelerator has a plurality of on-axis resonant cells having axial apertures electrically coupled to one another by...
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6768267 |
Cathode ray tube with efficiently driven electron gun
A cathode ray tube (CRT) has an electron gun including a cathode for emitting electron beams, a control electrode for controlling emission of the electron beams from the cathode, and a screen...
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6657515 |
Tuning mechanism for a superconducting radio frequency particle accelerator cavity
A tuning mechanism for a superconducting radio frequency particle accelerator cavity, wherein the cavity comprises a number of axially aligned cells held by a frame, with at least one active cell...
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6657391 |
Apparatus and method for establishing a Q-factor of a cavity for an accelerator
A cavity for use in an accelerator is formed by an inner wall including at least two different materials. According to embodiments of the present invention, a portion of the structure forming the...
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6653803 |
Integrated resonator and amplifier system
An integrated RF amplifier and resonator is provided for use with an ion accelerator. The amplifier includes an output substantially directly coupled with a resonator coil. The amplifier output may...
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6653640 |
Multichannel linear induction accelerator of charged particles
A linear induction accelerator, comprised of an injector block, acceleration block, the outlet device, and a drive source. The acceleration block is made from not less than two electrodynamically...
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6653642 |
Methods and apparatus for operating high energy accelerator in low energy mode
Methods and apparatus are provided for efficiently operating an ion implanter which includes a charged particle accelerator in a high energy mode and in a low energy mode. The charged particle...
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6646383 |
Monolithic structure with asymmetric coupling
A device for use in a linear accelerator operable to accelerate charged particles along a beam axis is disclosed. The device includes a plurality of monolithic members connected to form a series of...
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6593696 |
Low dark current linear accelerator
A method, system, and apparatus for providing reduced dark current in a linear accelerator includes a cavity having an input aperture and an output aperture, and a particle source coupled to the...
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6559610 |
Continuous wave electron-beam accelerator and continuous wave electron-beam accelerating method thereof
A continuous wave electron-beam accelerator that accelerates a continuous wave electron beam having a large average current includes an electron beam generator, an electron-beam accelerating unit...
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6465957 |
Standing wave linear accelerator with integral prebunching section
A standing wave linear accelerator with a prebunching section and an accelerating section that are formed into a unitary accelerating structure is described. The prebunching section is configured...
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6462489 |
Controller for a linear accelerator
A method and apparatus for generating an accurate, stable phase shift (b) in a sinusoidal signal employs fast analog multiplication to implement the trigonometric relationship...
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6448722 |
Permanent magnet focused X-band photoinjector
A compact high energy photoelectron injector integrates the photocathode directly into a multicell linear accelerator with no drift space between the injection and the linac. High electron beam...
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6426681 |
High power adjustable RF coupling loop
A high power adjustable rf coupling loop which is used to interface a transmission line to a resonant cavity is described. The coupling loop is made entirely of metallic parts and therefore is...
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