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7638759 |
Hyperthermal neutral beam source and method of operating
Method and system for pumping a hyperthermal neutral beam source is described. The pumping system enables use of the hyperthermal neutral beam source for semiconductor processing applications, such...
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7634062 |
Circular acceleration apparatus, electromagnetic wave generator and electromagnetic-wave imaging system
An objective is to provide a circular acceleration apparatus that can accelerate higher currents as well as avoid complex controlling of a deflecting magnetic field generated by an electron...
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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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7619373 |
Selectable frequency light emitter
We describe an ultra-small resonant structure that produces electromagnetic radiation (e.g., visible light) at selected frequencies. The resonant structure can be produced from any conducting...
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7619374 |
Radiotherapy system for performing radiotherapy with presice irradiation
A radiotherapy system includes: a waveguide, an adjustable waveguide, and a non-reciprocal circuit element. The waveguide transmits a high-frequency wave from a high-frequency power source to an...
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7619375 |
Electromagnetic wave generating device
An electromagnetic wave generating device includes: a hollow annular vacuum chamber; an electron gun; an electromagnet configured with a pair of discoid combinations in which a cylindrical...
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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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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...
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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...
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7560716 |
Free electron oscillator
A beam of charged particles (e.g., an electron beam) from a charged particle source can be selectively applied to a pair of electrodes. For example, the charged particles can be electrons that are...
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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...
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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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7511423 |
Organic light emitting device (OLED) and white light emitting device
An organic light emitting device (OLED) and a white light emitting device are provided. The OLED includes a substrate, a mesh shaped anode formed on the substrate and designed to pass light, a...
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7498588 |
Tandem accelerator having low-energy static voltage injection and method of operation thereof
A method of producing an ion beam in a tandem accelerator, the method includes the acts of insulating, in a cavity containing an insulating gas under pressure, a beam tube having first and second...
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7492868 |
Source of x-rays
A charged particle beam including charged particles (e.g., electrons) is generated from a charged particle source (e.g., a cathode or scanning electron beam). As the beam is projected, it passes...
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7471052 |
Cryogenic vacuumm RF feedthrough device
A cryogenic vacuum rf feedthrough device comprising: 1) a probe for insertion into a particle beam; 2) a coaxial cable comprising an inner conductor and an outer conductor, a dielectric/insulating...
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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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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...
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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)...
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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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7423390 |
Electron beam generator for multiple columns
An electron beam generator for multiple columns includes: a plurality of cathodes, to which a single acceleration voltage supply applies a negative acceleration voltage, and which thus generates...
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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...
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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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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...
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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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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...
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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...
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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...
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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...
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7242158 |
Distributed RF sources for medical RF accelerator
Some embodiments include an accelerator waveguide having a plurality of cavities, and at least two RF power sources, each of the at least two RF power sources being separately coupled to a...
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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...
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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...
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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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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....
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7166973 |
Use of incomplete energy recovery for the energy compression of large energy spread charged particle beams
A method of energy recovery for RF-base linear charged particle accelerators that allows energy recovery without large relative momentum spread of the particle beam involving first accelerating a...
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7157868 |
Linear accelerator
A linear accelerator comprises a series of accelerating cavities, adjacent pairs of which are coupled via coupling cavities, in which at least one coupling cavity comprises a rotationally...
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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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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...
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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...
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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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7098614 |
Electrostatic accelerator and ion implanting apparatus with the same
This electrostatic acceleration column has first to fifth electrodes arranged in a traveling direction of ions, which are a kind of charged particles. Then, the second electrode divided into two...
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7090365 |
Backlight unit having an inclined light emission surface
A backlight unit includes front and rear emission surfaces and a plurality of lamps arranged in the central plane of the backlight unit, wherein the front and rear emission surfaces are inclined by...
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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...
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7081723 |
Drift tube accelerator for the acceleration of ion packets
The invention relates to a drift tube accelerator ( 1 ) for the acceleration of ion packets in ion beam acceleration systems, wherein a housing ( 2 ) consists of a longitudinally divided three-part...
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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...
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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...
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7015661 |
Method and apparatus for accelerating charged particles
A method and apparatus for accelerating charged particles. The charged particles accelerate as they travel through electric fields produced by a plurality of accelerating elements having first and...
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7005809 |
Energy switch for particle accelerator
Some embodiments include operation of an accelerator waveguide to output first particles from a tuned end cavity of the accelerator waveguide at a first energy, detuning of the end cavity, and...
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6936981 |
Retarding electron beams in multiple electron beam pattern generation
A multiple electron beam pattern generator includes a multiple electron beam source to generate a plurality of electron beams that are modulated according to a pattern. An anode accelerates the...
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