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1. 发明申请

US20230040534A1 PARTICLE BEAM GUN CONTROL SYSTEMS AND METHODS 有权
公开(公告)号：US20230040534A1
公开(公告)日：2023-02-09
申请号：US17970410
申请日：2022-10-20
申请人： Varian Medical Systems, Inc.
发明人： Mark Everett Trail , James Edward Clayton
IPC分类号： A61N5/10 , H01J37/073 , H01J35/14 , H01J35/06 , H01J37/075 , H05H9/00
摘要： Presented systems and methods facilitate efficient and effective monitoring of particle beams. In some embodiments, a radiation gun system comprises: a particle beam gun that generates a particle beam, and a gun control component that controls the gun particle beam generation characteristics, including particle beam fidelity characteristics. The particle beam characteristics can be compatible with FLASH radiation therapy. Resolution control of the particle beam generation can enable dose delivery at an intra-pulse level and micro-bunch level. The micro-bunch can include individual bunches per each 3 GHz RF cycle within the 5 to 15 μsec pulse-width. The FLASH radiation therapy dose delivery can have a bunch level resolution of approximately 4.4×10{circumflex over ( )}-6 cGy/bunch.

2. 发明授权

US11388810B2 System, apparatus and method for multi-frequency resonator operation in linear accelerator 有权
公开(公告)号：US11388810B2
公开(公告)日：2022-07-12
申请号：US17024295
申请日：2020-09-17
申请人： Applied Materials, Inc.
发明人： Peter F. Kurunczi , David T. Blahnik , Frank Sinclair
IPC分类号： H05H7/22 , H01J37/317 , H05H9/00
摘要： An apparatus, system and method. An apparatus may include an RF power assembly, arranged to output an RF signal; a resonator, coupled to receive the RF signal, the resonator comprising a first output end and a second output end, and a drift tube assembly, configured to transmit an ion beam, and coupled to the resonator. As such, the drift tube assembly may include a first AC drift tube electrode, coupled to the first output end, and a second AC drift tube electrode, coupled to the second output end and separated from the first AC drift tube by a first gap. The RF power assembly may be switchable to switch output from a first Eigenmode frequency to a second Eigenmode frequency.

3. 发明申请

US20220104339A1 LINEAR ACCELERATOR SYSTEM HAVING A MAGNET UNIT FOR ELECTRON BEAM DEFLECTION 有权
公开(公告)号：US20220104339A1
公开(公告)日：2022-03-31
申请号：US17479277
申请日：2021-09-20
申请人： Siemens Healthcare GmbH
发明人： Sven MUELLER , Stefan WILLING , Martin KOSCHMIEDER , Claudia NOAK , Marvin MOELLER
IPC分类号： H05H7/04 , A61N5/10 , G21K5/04 , H05H9/00
摘要： A linear accelerator system according to an embodiment is for generating an MeV electron beam. The linear accelerator system includes a linear accelerator cavity having an enclosure, wherein the enclosure is open at one end to provide an exit port for the MeV electron beam; and a switchable magnet unit designed to, in a deflection mode, generate a magnetic field within the linear accelerator cavity to enable at least one electron, emitted within the linear accelerator cavity, to interact with the enclosure due to deflection away from the exit port caused by the magnetic field. Accordingly, in an embodiment, in the deflection mode, an intensity of the MeV electron beam passing through the exit port is relatively lower than an intensity of the MeV electron beam passing through the exit port in a beam generation mode of the switchable magnet unit.

4. 发明申请

US20220087004A1 SYSTEM, APPARATUS AND METHOD FOR MULTI-FREQUENCY RESONATOR OPERATION IN LINEAR ACCELERATOR 有权
公开(公告)号：US20220087004A1
公开(公告)日：2022-03-17
申请号：US17024295
申请日：2020-09-17
申请人： Applied Materials, Inc.
发明人： Peter F. Kurunczi , David T. Blahnik , Frank Sinclair
IPC分类号： H05H7/22 , H05H9/00 , H01J37/317
摘要： An apparatus, system and method. An apparatus may include an RF power assembly, arranged to output an RF signal; a resonator, coupled to receive the RF signal, the resonator comprising a first output end and a second output end, and a drift tube assembly, configured to transmit an ion beam, and coupled to the resonator. As such, the drift tube assembly may include a first AC drift tube electrode, coupled to the first output end, and a second AC drift tube electrode, coupled to the second output end and separated from the first AC drift tube by a first gap. The RF power assembly may be switchable to switch output from a first Eigenmode frequency to a second Eigenmode frequency.

5. 发明授权

US11165427B2 Configurable linear accelerator frequency control system and method 有权
公开(公告)号：US11165427B2
公开(公告)日：2021-11-02
申请号：US16147459
申请日：2018-09-28
申请人： Varex Imaging Corporation
发明人： John C Turner
IPC分类号： H05H9/00 , H03K19/173 , H03K5/01 , H03K3/027 , H03K5/00 , H05H9/04 , H05H7/22 , H05H13/04 , H05H7/02 , H01J35/02 , H03K3/78 , H01J29/52 , H05G2/00
摘要： Some embodiments include a system comprising: an RF source configured to generate an RF signal; an RF frequency control circuit coupled to the RF source and configured to adjust a frequency of the RF signal; an accelerator structure configured to accelerate a particle beam in response to the RF signal; and control logic configured to: receive a plurality of settings over time for the RF source; adjust the RF signal in response to the settings; and adjust a setpoint of the RF frequency control circuit in response to the settings.

6. 发明授权

US10607829B2 Transition radiation light sources 有权
公开(公告)号：US10607829B2
公开(公告)日：2020-03-31
申请号：US16330218
申请日：2017-09-06
申请人： BNNT, LLC , JEFFERSON SCIENCE ASSOCIATES, LLC
发明人： Kevin C. Jordan , Thomas G. Dushatinski , Michael W. Smith , Jonathan C. Stevens , R. Roy Whitney
IPC分类号： H01J63/06 , H05H6/00 , H01S3/00 , H01S3/16 , G21K5/00 , H05G2/00 , H01J63/02 , H05H9/00 , B82Y20/00
摘要： Transition radiation from nanotubes, nanosheets, and nanoparticles and in particular, boron nitride nanomaterials, can be utilized for the generation of light. Wavelengths of light of interest for microchip lithography, including 13.5 nm (91.8 eV) and 6.7 nm (185 eV), can be generated at useful intensities, by transition radiation light sources. Light useful for monitoring relativistic charged particle beam characteristics such as spatial distribution and intensity can be generated.

7. 发明申请

US20190357343A1 CONFIGURABLE LINEAR ACCELERATOR 审中-公开
公开(公告)号：US20190357343A1
公开(公告)日：2019-11-21
申请号：US16147488
申请日：2018-09-28
申请人： Varex Imaging Corporation
发明人： John C Turner , Lawrence Miller , Nathan Hanson
IPC分类号： H05H7/02 , H05H9/00
摘要： Some embodiments include a system comprising: a particle power source configured to generate a particle power signal; a radio frequency (RF) power source configured to generate an RF power signal; a particle source configured to generate a particle beam in response to the particle power signal; a RF source configured to generate an RF signal in response to the RF power signal; and an accelerator structure configured to accelerate the particle beam in response to the RF signal; wherein a timing of the RF power signal is different from a timing of the particle power signal.

8. 发明授权

US10440809B2 Accelerating cavity and accelerator 有权
公开(公告)号：US10440809B2
公开(公告)日：2019-10-08
申请号：US16065776
申请日：2016-12-16
申请人： MITSUBISHI HEAVY INDUSTRIES MACHINERY SYSTEMS, LTD. , Inter-University Research Institute Corporation High Energy Accelerator Research Organization
发明人： Mitsuhiro Yoshida , Daisuke Satoh , Nobuyuki Shigeoka , Sadao Miura
IPC分类号： H05H7/00 , H05H7/18 , H05H9/00
摘要： An RF accelerating cavity includes: a housing having an inner peripheral surface in a tubular shape and conductivity at least on a surface; and accelerating cells inside the housing and each made of a dielectric including, at a central part, an opening through which a charged particle passes. The housing includes a cylindrical barrel portion, with end plates at both ends. The accelerating cells are disposed between the end plates. Each accelerating cell includes: a cylindrical barrel portion having a diameter smaller than an inner diameter of the cylindrical barrel portion of the housing; and a circular disk portion provided inside the cylindrical barrel portion to be fixed to the cylindrical barrel portion, and disposed such that a plate surface is orthogonal to the passing axis of a charged particle, and provided with the opening.

9. 发明申请

US20190255357A1 PARTICLE BEAM TRANSPORT APPARATUS, ROTARY GANTRY, AND PARTICLE BEAM IRRADIATION TREATMENT SYSTEM 审中-公开
公开(公告)号：US20190255357A1
公开(公告)日：2019-08-22
申请号：US16346417
申请日：2017-11-14
申请人： KABUSHIKI KAISHA TOSHIBA , Toshiba Energy Systems & Solutions Corporation
发明人： Shigeki TAKAYAMA , Tomofumi ORIKASA , Yoshifumi NAGAMOTO , Takeshi YOSHIYUKI
IPC分类号： A61N5/10 , H05H7/04 , H05H7/10 , H05H9/00 , H05H13/04
摘要： A particle beam transport apparatus includes a vacuum duct, at least one magnet controller, and a scanning magnet. The vacuum duct is configured such that a particle beam advances through the vacuum duct. The magnet controller is disposed around a bent portion of the vacuum duct and is configured to control an advancing direction or shape of the particle beam. The scanning magnet is disposed on the downstream side of the magnet controller in the advancing direction and is configured to scan the particle beam by deflecting each bunch of the particle beam. The magnet controller includes a deflection magnet configured to deflect the advancing direction of the particle beam along the bent portion and a quadrupole magnet configured to converge the particle beam. The deflection magnet and the quadrupole magnet constitute a combined-function magnet arranged at the same point in the advancing direction.

10. 发明申请

US20190246486A1 Electron Beam Transport System 审中-公开
公开(公告)号：US20190246486A1
公开(公告)日：2019-08-08
申请号：US16339222
申请日：2017-09-18
申请人： ASML Netherlands B.V.
发明人： Roelof Harm KLUNDER , Gijsbertus Geert PGORTER , Johannes Aldegonda Theodoras Marie VAN DEN HOMBERG
IPC分类号： H05H9/00 , G03F7/20 , H05G2/00 , H05H7/06 , H01S3/09 , H01J37/317
摘要： An electron beam transport system for controlling the position of two different electron beams comprises: a main electron beam transport module; a first input electron beam transport module; a second input electron beam transport module; and a controller. The main electron beam transport module comprises a beam monitoring device disposed at a measurement position. The first input electron beam transport module comprises a first actuator for applying a perturbation to a transverse position of a first electron beam at a first actuation point. The second input electron beam transport module comprises a second actuator for applying a perturbation to a transverse position of a second electron beam at a second actuation point. The controller is operable to receive a signal from the beam monitoring device and to send control signals to the first actuator and the second actuator. The controller is operable to determine a first quantity indicative of a difference in a transverse position of the first and second electron beams and a second quantity indicative of an average transverse position of the first and second electron beams. The controller is further operable to control the trajectories of the first and second electron beams independently by implementing a first control loop that iteratively attempts to reduce the first quantity by using the first actuator to perturb a trajectory of the first electron beam, and a second control loop that iteratively perturbs a trajectory of the second electron beam using the second actuator such that the average transverse position of the two different electron beams moves towards a desired transverse position.

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