公开(公告)号：US20140125215A1

公开(公告)日：2014-05-08

申请号：US14125038

申请日：2012-06-21

申请人： Sang Hun Lee

发明人： Sang Hun Lee

IPC分类号： H05H7/02

CPC分类号： H05H7/02 ,  H01J37/32247 ,  H01P5/12 ,  H05H1/46 ,  H05H2001/4622

摘要： A microwave resonant cavity is provided. The microwave resonant cavity includes: a sidewall having a generally cylindrical hollow shape; a gas flow tube disposed inside the sidewall and having a longitudinal axis substantially parallel to a longitudinal axis of the sidewall; a plurality of microwave waveguides, each microwave waveguide having a longitudinal axis substantially perpendicular to the longitudinal axis of the sidewall and having a distal end secured to the sidewall and aligned with a corresponding one of a plurality of holes formed on the sidewall; a top plate secured to one end of the sidewall; and a sliding short circuit having: a disk slidably mounted between the sidewall and the gas flow tube; and at least one bar disposed inside the sidewall and arranged parallel to the longitudinal axis of the sidewall.

摘要翻译： 提供微波谐振腔。 微波谐振腔包括：具有大致圆柱形中空形状的侧壁; 设置在所述侧壁内侧并具有基本上平行于所述侧壁的纵向轴线的纵轴的气流管; 多个微波波导，每个微波波导具有基本上垂直于所述侧壁的纵向轴线的纵向轴线，并且具有固定到所述侧壁的远端并与形成在所述侧壁上的多个孔中的对应的一个孔对准; 顶板固定在侧壁的一端; 滑动短路具有：可滑动地安装在侧壁和气体流动管之间的盘; 以及设置在侧壁内并且平行于侧壁的纵向轴线布置的至少一个杆。

公开(公告)号：US20140094638A1

公开(公告)日：2014-04-03

申请号：US14039307

申请日：2013-09-27

申请人： Mevion Medical Systems, Inc.

发明人： Kenneth P. Gall ,  Gerrit Townsend Zwart ,  Jan Van der Laan ,  Adam C. Molzahn ,  Charles D. O'Neal, III ,  Thomas C. Sobczynski ,  James Cooley

IPC分类号： H05H7/02 ,  A61N5/10 ,  H05H13/02

CPC分类号： H05H7/02 ,  A61N5/1077 ,  A61N2005/1087 ,  H05H7/12 ,  H05H13/02 ,  H05H2007/082 ,  H05H2007/122

摘要： In an example, a synchrocyclotron includes a particle source to provide pulses of ionized plasma to a cavity; a voltage source to provide a radio frequency (RF) voltage to the cavity to accelerate particles from the plasma column outwardly; and an extraction channel to receive a beam of particles from the cavity for output from the particle accelerator. The particle source is configured to control pulse widths of the ionized plasma in order to control an intensity of the beam of particles. This example synchrocyclotron may include one or more of the following features, either alone or in combination.

摘要翻译： 在一个实例中，同步回旋加速器包括一个粒子源，以向空腔提供电离等离子体的脉冲; 电压源，用于向空腔提供射频（RF）电压，以将颗粒从等离子体塔向外加速; 以及用于从所述空腔接收颗粒束以从所述颗粒加速器输出的提取通道。 粒子源被配置为控制电离等离子体的脉冲宽度，以便控制粒子束的强度。 该示例同步回旋加速器可以单独地或组合地包括以下特征中的一个或多个。

公开(公告)号：US20140084815A1

公开(公告)日：2014-03-27

申请号：US13626648

申请日：2012-09-25

申请人： COMPACT PARTICLE ACCELERATION CORPORATION

发明人： Vladimir Andreevich Joshkin ,  Yoko Parker

IPC分类号： H05H9/02 ,  H05K13/00

CPC分类号： H05H9/02 ,  H05H7/02 ,  H05H2007/022 ,  H05K13/00 ,  Y10T29/49117

摘要： Circuitry is presented that can provide high-voltage radio-frequency pulses in the range of from a few volts to megavolts for charged particle accelerators. Individual pulse forming sections, such as transmission line transformers (TLTs) or blumleins, are formed in clusters. The pulse forming sections of each cluster are connected in series and have transmission lines ending in a ring structure. Multiple clusters can then be arranged with their rings aligned along the axis of the accelerator.

摘要翻译： 提出了可以为带电粒子加速器提供从几伏到兆伏的范围内的高压射频脉冲的电路。 单个脉冲形成部分，例如传输线变压器（TLT）或闪烁体，形成为簇。 每个簇的脉冲形成部分串联连接并且具有以环形结构结束的传输线。 然后可以布置多个簇，其环的环沿着加速器的轴线对齐。

公开(公告)号：US08604723B2

公开(公告)日：2013-12-10

申请号：US13476477

申请日：2012-05-21

申请人： Gongyin Chen ,  John Turner ,  Douglas W. Eaton

发明人： Gongyin Chen ,  John Turner ,  Douglas W. Eaton

IPC分类号： H01J23/00

CPC分类号： H05H7/02 ,  H01J2235/08 ,  H05H9/00 ,  H05H9/048 ,  H05H2007/022 ,  H05H2007/025

摘要： Multi-energy radiation sources comprising charged particle accelerators driven by power generators providing different RF powers to the accelerator, capable of interlaced operation, are disclosed. Automatic frequency control techniques are provided to match the frequency of RF power provided to the accelerator with the accelerator resonance frequency. In one example where the power generator is a mechanically tunable magnetron, an automatic frequency controller is provided to match the frequency of RF power pulses at one power to the accelerator resonance frequency when those RF power pulses are provided, and the magnetron is operated such that frequency shift in the magnetron at the other power at least partially matches the resonance frequency shift in the accelerator when those RF power pulses are provided. In other examples, when the power generator is a klystron or electrically tunable magnetron, separate automatic frequency controllers are provided for each RF power pulse. Methods and systems are disclosed.

摘要翻译： 公开了一种多能量辐射源，其包括由提供与加速器不同的RF功率的发电机驱动的带电粒子加速器，能够进行隔行扫描操作。 提供自动频率控制技术以将提供给加速器的RF功率的频率与加速器谐振频率相匹配。 在发电机是可机械调谐的磁控管的一个示例中，提供自动频率控制器以在提供这些RF功率脉冲时将一个功率的RF功率脉冲的频率与加速器谐振频率相匹配，并且磁控管被操作使得 当提供这些RF功率脉冲时，磁控管中另一个功率的频移至少部分地匹配加速器中的谐振频率偏移。 在其他示例中，当发电机是速调管或电可调谐磁控管时，为每个RF功率脉冲提供单独的自动频率控制器。 公开了方法和系统。

公开(公告)号：US20130162176A1

公开(公告)日：2013-06-27

申请号：US13767541

申请日：2013-02-14

申请人： Michel Abs

发明人： Michel Abs

IPC分类号： H05H7/02

CPC分类号： H05H7/10 ,  H05H7/02 ,  H05H13/00

摘要： The present invention relates to a circular particle accelerator capable of modulating the particle beam current exiting the circular particle accelerator. The circular particle accelerator includes: an ion source for generating the particle beam; Dee electrode and counter-Dee electrode separated from each other by gaps for accelerating the particle beam, the counter-Dee electrode being grounded; a generator capable of applying an alternating high voltage to the Dee electrode, so as it is possible to have an electric field between the gaps; means for measuring the current intensity of the particle beam exiting the circular particle accelerator. It also comprises a regulator capable of modulating the Dee electrodes voltage amplitude (VD) by comparing a given set point (I0) of the current intensity of the particle beam and the measured value of the current intensity (I′M) of the particle beam.

摘要翻译： 本发明涉及能够调制离开圆形粒子加速器的粒子束电流的圆形粒子加速器。 圆形粒子加速器包括：用于产生粒子束的离子源; Dee电极和counter-Dee电极通过用于加速粒子束的间隙彼此分离，对Dee电极接地; 能够向Dee电极施加交替的高电压的发生器，从而可以在间隙之间具有电场; 用于测量离开圆形颗粒加速器的粒子束的电流强度的装置。 它还包括通过将粒子束的当前强度的给定设定点（I0）与粒子束的当前强度（I'M）的测量值进行比较来调节Dee电极电压幅度（VD）的调节器 。

公开(公告)号：US08410730B2

公开(公告)日：2013-04-02

申请号：US12740319

申请日：2007-10-29

申请人： Michel Abs

发明人： Michel Abs

IPC分类号： H05H7/00

CPC分类号： H05H7/10 ,  H05H7/02 ,  H05H13/00

摘要： The present invention relates to a circular particle accelerator capable of modulating the particle beam current exiting the circular particle accelerator. The circular particle accelerator includes: an ion source for generating the particle beam; Dee electrode and counter-Dee electrode separated from each other by gaps for accelerating the particle beam, the counter-Dee electrode being grounded; a generator capable of applying an alternating high voltage to the Dee electrode, so as it is possible to have an electric field between the gaps; means for measuring the current intensity of the particle beam exiting the circular particle accelerator. It also comprises a regulator capable of modulating the Dee electrodes voltage amplitude (VD) by comparing a given set point (I0) of the current intensity of the particle beam and the measured value of the current intensity (I′M) of the particle beam.

摘要翻译： 本发明涉及能够调制离开圆形粒子加速器的粒子束电流的圆形粒子加速器。 圆形粒子加速器包括：用于产生粒子束的离子源; Dee电极和counter-Dee电极通过用于加速粒子束的间隙彼此分离，对Dee电极接地; 能够向Dee电极施加交替的高电压的发生器，从而可以在间隙之间具有电场; 用于测量离开圆形颗粒加速器的粒子束的电流强度的装置。 它还包括通过将粒子束的当前强度的给定设定点（I0）与粒子束的当前强度（I'M）的测量值进行比较来调节Dee电极电压幅度（VD）的调节器 。

公开(公告)号：US20120326803A1

公开(公告)日：2012-12-27

申请号：US13529110

申请日：2012-06-21

申请人： Sang Hun Lee

发明人： Sang Hun Lee

IPC分类号： H01P7/06 ,  H01P5/12

CPC分类号： H05H7/02 ,  H01J37/32247 ,  H01P5/12 ,  H05H1/46 ,  H05H2001/4622

摘要： A microwave resonant cavity is provided. The microwave resonant cavity includes: a sidewall having a generally cylindrical hollow shape; a gas flow tube disposed inside the sidewall and having a longitudinal axis substantially parallel to a longitudinal axis of the sidewall; a plurality of microwave waveguides, each microwave waveguide having a longitudinal axis substantially perpendicular to the longitudinal axis of the sidewall and having a distal end secured to the sidewall and aligned with a corresponding one of a plurality of holes formed on the sidewall; a top plate secured to one end of the sidewall; and a sliding short circuit. The sliding circuit includes: a disk slidably mounted between the sidewall and the gas flow tube; and at least one bar disposed inside the sidewall and arranged parallel to the longitudinal axis of the sidewall.

摘要翻译： 提供微波谐振腔。 微波谐振腔包括：具有大致圆柱形中空形状的侧壁; 设置在所述侧壁内侧并具有基本上平行于所述侧壁的纵向轴线的纵轴的气流管; 多个微波波导，每个微波波导具有基本上垂直于所述侧壁的纵向轴线的纵向轴线，并且具有固定到所述侧壁的远端并与形成在所述侧壁上的多个孔中的对应的一个孔对准; 顶板固定在侧壁的一端; 和滑动短路。 滑动电路包括：可滑动地安装在侧壁和气体流动管之间的盘; 以及设置在侧壁内并且平行于侧壁的纵向轴线布置的至少一个杆。

公开(公告)号：US08232748B2

公开(公告)日：2012-07-31

申请号：US12581086

申请日：2009-10-16

申请人： Paul Dennis Treas ,  Roger Heering Miller ,  Juwen Wang

发明人： Paul Dennis Treas ,  Roger Heering Miller ,  Juwen Wang

IPC分类号： H05H9/00

CPC分类号： H05H7/02 ,  H05H7/12 ,  H05H9/02

摘要： An electromagnetic wave having a phase velocity and an amplitude is provided by an electromagnetic wave source to a traveling wave linear accelerator. The traveling wave linear accelerator generates a first output of electrons having a first energy by accelerating an electron beam using the electromagnetic wave. The first output of electrons can be contacted with a target to provide a first beam of x-rays. The electromagnetic wave can be modified by adjusting its amplitude and the phase velocity. The traveling wave linear accelerator then generates a second output of electrons having a second energy by accelerating an electron beam using the modified electromagnetic wave. The second output of electrons can be contacted with a target to provide a second beam of x-rays. A frequency controller can monitor the phase shift of the electromagnetic wave from the input to the output ends of the accelerator and can correct the phase shift of the electromagnetic wave based on the measured phase shift.

摘要翻译： 具有相位速度和振幅的电磁波由电磁波源提供给行波直线加速器。 行波直线加速器通过使用电磁波加速电子束产生具有第一能量的电子的第一输出。 电子的第一输出可以与目标物接触以提供第一射线的X射线。 可以通过调整其幅度和相位速度来修改电磁波。 然后，行波直线加速器通过使用改进的电磁波加速电子束来产生具有第二能量的电子的第二输出。 电子的第二输出可以与目标物接触以提供第二射线束的X射线。 频率控制器可以监测从输入到加速器的输出端的电磁波的相移，并且可以基于所测量的相移校正电磁波的相移。

公开(公告)号：US20120081042A1

公开(公告)日：2012-04-05

申请号：US12976810

申请日：2010-12-22

申请人： Stephen Wah-Kwan Cheung ,  Roger Heering Miller ,  Juwen Wang

发明人： Stephen Wah-Kwan Cheung ,  Roger Heering Miller ,  Juwen Wang

IPC分类号： H05H9/00

CPC分类号： H05H7/02 ,  H05H7/12 ,  H05H9/02

摘要： Provided herein are systems and methods for operating a traveling wave linear accelerator to generate stable electron beams at two or more different intensities by varying the number of electrons injected into the accelerator structure during each pulse by varying the electron beam current applied to an electron gun.

摘要翻译： 本文提供的是用于操作行波线性加速器以通过改变施加到电子枪的电子束电流在每个脉冲期间注入到加速器结构中的电子数来以两个或更多个不同强度产生稳定电子束的系统和方法。

公开(公告)号：US20120081041A1

公开(公告)日：2012-04-05

申请号：US12976787

申请日：2010-12-22

申请人： Stephen Wah-Kwan Cheung ,  Roger Heering Miller ,  Juwen Wang

发明人： Stephen Wah-Kwan Cheung ,  Roger Heering Miller ,  Juwen Wang

IPC分类号： H05H9/00

CPC分类号： H05H7/02 ,  H05H7/12 ,  H05H9/02

摘要： Provided herein are systems and methods for operating a traveling wave linear accelerator to generate stable electron beams at two or more different intensities by varying the number of electrons injected into the accelerator structure during each pulse by varying the width of the beam pulse, i.e., pulse width.

摘要翻译： 本文提供的是用于操作行波线性加速器以通过改变在每个脉冲期间注入加速器结构的电子数来改变波束脉冲宽度的系统和方法来产生两个或多个不同强度的稳定电子束，即脉冲 宽度。