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Class 250/492.3 - Ion or electron beam irradiation


Subclass of Class 250 - Radiant energy
Definition: Subject matter wherein the object or material is irradiated
No. of patents: 1532
Last issue date: 05/22/2012


1                      
NumberTitleIssue Date
8183547Dual beam system
A dual beam system provides for operation of a focused ion beam in the presence of a magnetic field from an ultra-high resolution electron lens. The ion beam is deflected to compensate for the presence of the magnetic field. ...
05/22/2012
8183546Ion implantation through laser fields
Ions are generated and directed toward a workpiece. A laser source generates a laser that is projected above the workpiece in a line. As the laser is generated, a fraction of the ions are blocked by the laser. This may enable selective implantation or modification o...
05/22/2012
8178858Device and method for altering the characteristics of three-dimensional shaped parts using electrons and use of said method
The invention relates to a device and a method for altering the characteristics of a three-dimensional article by means of electrons, including at least one electron accelerator for generating accelerated electrons and two electron exit windows, wherein the two elec...
05/15/2012
8178857Method and apparatus for flattening solid surface
A method for flattening a sample surface by irradiating the sample surface with a gas cluster ion beam, generates clusters of source gas in a cluster generating chamber, ionizes the generated clusters in an ionization chamber, accelerates the ionized cluster beam in...
05/15/2012
8178859Proton beam positioning verification method and apparatus used in conjunction with a charged particle cancer therapy system
The invention comprises a proton beam positioning method and apparatus used in conjunction with multi-axis charged particle radiation therapy of cancerous tumors. The proton beam verification system allows for monitoring of the actual proton beam position in real-ti...
05/15/2012
8173979Generating and visualizing an ion beam profile
A method for generating and visualizing an ion beam profile is provided. The method includes specifying an incidence direction of a particle beam, specifying a target region that is to be irradiated by said particle beam, creating an ion beam profile from points tha...
05/08/2012
8173980Gas cluster ion beam system with cleaning apparatus
A processing system is provided for irradiating a substrate with a gas cluster ion beam (GCIB). The system includes a vacuum vessel that has an interior and is configured to support the substrate therein, and at least one nozzle for forming and emitting a gas cluste...
05/08/2012
8168961Charged particle beam masking for laser ablation micromachining
An improved method for substrate micromachining. Preferred embodiments of the present invention provide improved methods for the utilization of charged particle beam masking and laser ablation. A combination of the advantages of charged particle beam mask fabricatio...
05/01/2012
8168962Method and apparatus for uniformly implanting a wafer with an ion beam
Initially, an ion beam is formed as an elongated shape incident on a wafer, where the shape has a length along a first axis longer than a diameter of the wafer, and a width along a second axis shorter than the diameter of the wafer. Then, a center of the wafer is mo...
05/01/2012
8164075Treatment apparatuses and methods using proton
A treatment apparatus using proton includes a proton generation unit and a magnet. The proton generation unit projects proton into a tumor site of a patient, and the magnet forms a magnetic field around the patient. The proton conducts a spiral motion due to collisi...
04/24/2012
8153997Isotope production system and cyclotron
A cyclotron that includes a magnet yoke having a yoke body that surrounds an acceleration chamber. The cyclotron also includes a magnet assembly to produce magnetic fields to direct charged particles along a desired path. The magnet assembly is located in the accele...
04/10/2012
8129699Multi-field charged particle cancer therapy method and apparatus coordinated with patient respiration
The invention relates generally to treatment of solid cancers. More particularly, the invention relates to a multi-field imaging and/or a multi-field charged particle cancer therapy method and apparatus coordinated with patient respiration via use of feedback sensor...
03/06/2012
8106370Isotope production system and cyclotron having a magnet yoke with a pump acceptance cavity
A cyclotron that includes a magnet assembly to produce a magnetic field to direct charged particles along a desired path. The cyclotron also includes a magnet yoke that has a yoke body that surrounds an acceleration chamber. The magnet assembly is located in the yok...
01/31/2012
8106369Electron beam web irradiation apparatus and process
The present disclosure includes an electron beam emitter, a roller for a web, circumferential radiation shielding, a reaction chamber, movement between open and closes positions, a depositor, baffles, inert gas dispenser, and other features. One example in the prese...
01/31/2012
8106371Charged particle irradiation system and irradiation planning equipment
In a charged particle irradiation system, forming a uniform dose distribution is required by irradiating a moving irradiation object through beam scanning and energy stacking. The charged particle irradiation system includes an ion beam generator 1 from which...
01/31/2012
8093569Modular patient support system
A radiation treatment system (100) for accurately delivering radiation to a targeted site within a cancer patient (108) that includes a modular patient support system and a patient positioner (114). The modular patient support system includes a ...
01/10/2012
8093568Ion radiation therapy system with rocking gantry motion
A radiation therapy system for heavy ions employs a rocking motion of a fan beam used to treat the patient, the fan beam having individually modulated beamlets, the rocking limited in angular extent to provide improved conformance of the dose to a tumor while shield...
01/10/2012
8080815Biomarker generator
An improved biomarker generator and a method suitable for efficiently producing short lived radiopharmaceuticals in quantities on the order of a unit dose. The improved biomarker generator includes a particle accelerator and a radiopharmaceutical micro-synthesis sys...
12/20/2011
8076657Ion radiation therapy system having magnetic fan beam former
An improved beam forming system for ions used in radiation treatment employs a magnet system of successive quadrupole magnets to convert an ion pencil beam to a fan beam with reduced neutrons production compared with conventional beam spreading techniques using scat...
12/13/2011
8076658Electron beam processing device
An electron beam processing device includes a chamber housing that defines a chamber interior space and has a first opening. A carriage is movable along the first opening. An electron beam generator is disposed on the carriage so that the generated electron beam pas...
12/13/2011
8067753Electron beam writing apparatus and method
A Z stage is placed on an XY stage in avoidance of an area to which a mark table is fixed. The mask M is placed on a holding mechanism provided on the Z stage. A middle value of the range adjustable by the focal adjustment mechanism is made coincident with the heigh...
11/29/2011
8063390Electron cooling system and method for increasing the phase space intensity and overall intensity of ion beams in multiple overlap regions
An electron cooling system and method for increasing the phase space intensity and overall intensity of ion beams in multiple overlap regions, including a vacuum chamber to allow a single electron beam to be merged and separated with multiple ion beams, an electron ...
11/22/2011
8039822Particle therapy apparatus and method for modulating a particle beam generated in an accelerator
The invention relates to a particle therapy apparatus having an accelerator for generating a particle beam, a passive energy modulator comprising an absorber element, and a control entity. The control entity is designed to switch between an active adjustment of the ...
10/18/2011
8030627Treatment planning tool for heavy-ion therapy
A dose calculator for heavy-ion therapy systems uses a limited number of spread out Bragg peak models obtainable by a particular therapy system, the models which may be adjusted in energy (offset) and dose contribution (treatment time) to produce a unique composite ...
10/04/2011
8008640Maxim electron scatter chamber
The present invention includes a system, methods and apparatus for sterilization of an object (e.g., food products). The present invention takes advantage of the electron scatter that occurs when electron beam is applied onto a surface. The present invention is capa...
08/30/2011
8008639System for processing an object
A processing system comprises a gas supply apparatus with which process gas is supplied to an object. An activation beam activates the gas thereby inducing a chemical reaction between material at the surface of the object and the process gas causing ablation of mate...
08/30/2011
7989785Gantry, particle therapy system, and method for operating a gantry
The present embodiments relate to a gantry for the beam guidance of a particle beam with at least one beam guidance element. A carrier device is rotatably mounted in such a way that the particle beam can be directed by a rotation of the carrier device with the beam ...
08/02/2011
7982198Particle beam irradiation system
It is an object of the present invention to provide a charged particle beam extraction method and particle beam irradiation system that make it possible to exercise intensity control over an extracted ion beam while a simple device configuration is employed. To acco...
07/19/2011
7977656Charged particle beam irradiation system and method of extracting charged particle beam
A charged particle beam irradiation system includes an accelerator for accelerating a charged particle beam, a beam irradiation apparatus having a beam energy modulator and arranged for irradiating an object with the charged particle beam extracted from the accelera...
07/12/2011
7977657Ion radiation therapy system with distal gradient tracking
An ion radiation therapy machine provides a control of the range of the ion beam that a Bragg peak of the beam is located according to a determined gradient of the dose plan. ...
07/12/2011
7973297Electron beam writing method, fine pattern writing system, method for manufacturing uneven pattern carrying substrate, and method for manufacturing magnetic disk medium
When writing a hard disk pattern on a substrate applied with a resist by scanning an electron beam on the substrate while rotating a rotation stage, writing is started with respect to each radial direction position of each area based on a predetermined encoder pulse...
07/05/2011
7960710Particle radiation therapy equipment
Particle radiation therapy equipment arranged to apply a charged particle beam in a predetermined direction to a region of application within an imaging volume, comprising a charged particle beam source arranged to direct a charged particle beam in the predetermined...
06/14/2011
7952083Ion beam system and machining method
An ion beam system includes a sample stage which holds a sample, an ion source which generates an ion beam so that the ion beam is extracted from the ion source along an extraction axis, an irradiation optical system having an irradiation axis along which the ion be...
05/31/2011
7943913Negative ion source method and apparatus used in conjunction with a charged particle cancer therapy system
The invention comprises a negative ion source method and apparatus used as part of an ion beam injection system, which is used in conjunction with multi-axis charged particle or proton beam radiation therapy of cancerous tumors. The negative ion source preferably in...
05/17/2011
7935945Ion implantation method and apparatus
Using a beam current of an ion beam, and a dose amount to a substrate, and an initial value of a scan number of the substrate set to 1, a scan speed of the substrate is calculated. If the scan speed is within the range, the current scan number and the current scan s...
05/03/2011
7935944Ion beam irradiating apparatus, and method of producing semiconductor device
An ion beam irradiating apparatus has a field emission electron source 10 which is disposed in a vicinity of a path of the ion beam 2, and which emits electrons 12. The field emission electron source 10 is placed in a direction along whic...
05/03/2011
7935946Ion implantation method and apparatus
Using a beam current of an ion beam, a dose amount to a substrate, and a reference scan speed, a scan number of the substrate is calculated as an integer value in which digits after a decimal point are truncated. If the scan number is smaller than 2, the process is ...
05/03/2011
7928415Device for irradiating tumour tissue in a patient with a particle beam
There is proposed a device for the slice-by-slice irradiation of tumour tissue (3) in a patient using a particle beam, having—an accelerator (7) for generating a particle beam (5) with predetermined energy for each slice, —a raster scanning ...
04/19/2011
7919763Electron beam emitter
An exit window for an electron beam emitter through which electrons pass in an electron beam includes a structural foil for metal to metal bonding with the electron beam emitter. The structural foil has a central opening formed therethrough. A window layer of high t...
04/05/2011
7906769Particle accelerator for radiotherapy by means of ion beams
The invention relates to a particle accelerator for radiotherapy by means of ion beams (150). The particle accelerator comprises a sixfold synchrotron ring (100) having six rectilinear beam sections (1 to 6) and six curved beam sections (...
03/15/2011
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