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公开(公告)号：US20080101544A1
公开(公告)日：2008-05-01
申请号：US11551208
申请日：2006-10-19
IPC分类号： G21K1/02
摘要： A method includes receiving x-ray data from a detector, and responding substantially in real time to the received data by controlling an object's exposure to x-rays.
摘要翻译： 一种方法包括从检测器接收X射线数据，并且通过控制对象对X射线的曝光来实质上实时响应所接收的数据。
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公开(公告)号：US07218700B2
公开(公告)日：2007-05-15
申请号：US11048158
申请日：2005-02-01
申请人： William Hullinger Huber , Colin Richard Wilson , John Scott Price , Peter Michael Edic , Mark Ernest Vermilyea
发明人： William Hullinger Huber , Colin Richard Wilson , John Scott Price , Peter Michael Edic , Mark Ernest Vermilyea
IPC分类号： A61B6/00
CPC分类号： H01J35/06 , H01J35/14 , H01J35/16 , H01J35/30 , H01J2235/068
摘要： A system and method for forming x-rays. One exemplary system includes a target and electron emission subsystem with a plurality of electron sources. Each of the plurality of electron sources is configured to generate a plurality of discrete spots on the target from which x-rays are emitted. Another exemplary system includes a target, an electron emission subsystem with a plurality of electron sources, each of which generates at least one of the plurality of spots on the target, and a transient beam protection subsystem for protecting the electron emission subsystem from transient beam currents, material emissions from the target, and electric field transients.
摘要翻译： 一种用于形成x射线的系统和方法。 一个示例性系统包括具有多个电子源的靶和电子发射子系统。 多个电子源中的每一个被配置为在从其发射X射线的目标上产生多个离散点。 另一个示例性系统包括目标，具有多个电子源的电子发射子系统，每个电子源产生目标上的多个点中的至少一个，以及用于保护电子发射子系统免受瞬态束电流的瞬态波束保护子系统 ，目标物质排放和电场瞬变。
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公开(公告)号：US07197116B2
公开(公告)日：2007-03-27
申请号：US10904560
申请日：2004-11-16
申请人： Bruce M. Dunham , John Scott Price
发明人： Bruce M. Dunham , John Scott Price
IPC分类号： H01J35/08
CPC分类号： H01J35/10 , H01J35/14 , H01J35/30 , H01J2235/086
摘要： An imaging tube (12) includes a cathode (30) that emits an electron beam (32) and an anode (38). The anode (38) includes multiple target surfaces (36). Each of the target surfaces (36) has a focal spot that receives the electron beam (32). The target surfaces (36) generate multiple x-ray beams (42) in response to the electron beam (32). Each x-ray beam (42) is associated with one of the target surfaces (36). An x-ray imaging system (10) includes the cathode (30) and the anode (38). A controller (28) is electrically coupled to the cathode (30) and adjusts emission of the electron beam (32) on the anode (38).
摘要翻译： 成像管（12）包括发射电子束（32）和阳极（38）的阴极（30）。 阳极（38）包括多个目标表面（36）。 每个目标表面（36）具有接收电子束（32）的焦点。 目标表面（36）响应于电子束（32）产生多个X射线束（42）。 每个X射线束（42）与目标表面（36）中的一个相关联。 x射线成像系统（10）包括阴极（30）和阳极（38）。 控制器（28）电耦合到阴极（30）并且调节阳极（38）上的电子束（32）的发射。
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公开(公告)号：US06983035B2
公开(公告)日：2006-01-03
申请号：US10669613
申请日：2003-09-24
IPC分类号： H01J35/08
CPC分类号： H01J35/08 , H01J35/14 , H01J2235/086
摘要： Systems and methods for obtaining multi-slice images having a total thickness of up to about 160 mm or more in a single gantry rotation in computed tomography or volume computed tomography are described. One embodiment comprises an extended, multi-spot x-ray source for computed tomography or volume computed tomography imaging, comprising: an electron gun capable of producing a plurality of electron beams, each electron beam focused at a predetermined distance and aimed in a predetermined direction; and a plurality of targets positioned to receive the electron beams and generate x-rays in response thereto, each target comprising a predetermined focal spot thereon, wherein each electron beam is synchronized to strike, at an appropriate time, a predetermined target comprising a predetermined focal spot thereon.
摘要翻译： 描述了用于在计算机断层摄影或体积计算机断层摄影中在单个机架旋转中获得具有高达约160mm或更大的总厚度的多层图像的系统和方法。 一个实施例包括用于计算机断层摄影或体积计算机断层摄影成像的扩展的多点x射线源，包括：能够产生多个电子束的电子枪，每个电子束以预定距离聚焦并且朝向预定方向 ; 以及多个靶，其定位成接收电子束并响应于此产生x射线，每个靶包括其上的预定焦点，其中每个电子束被同步，以在合适的时间触发包括预定焦点的预定目标 点上
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公开(公告)号：US07693264B2
公开(公告)日：2010-04-06
申请号：US11557201
申请日：2006-11-07
申请人： Aniruddha Gadre , Darren Lee Hallman , Paul M. Ratzmann , Richard Michael Roffers , John Scott Price
发明人： Aniruddha Gadre , Darren Lee Hallman , Paul M. Ratzmann , Richard Michael Roffers , John Scott Price
IPC分类号： H01J35/20
CPC分类号： H01J35/101 , H01J35/20 , H01J2235/20 , Y10T29/49826
摘要： A system for controlling a gas load imposed upon a high vacuum chamber includes a first chamber enclosing a high vacuum and positioned within an ambient environment, a second chamber enclosing a gas and positioned within the ambient environment adjacent to the first chamber, and a rotatable shaft having a first portion extending into the first chamber and a second portion extending into the second chamber. A ferrofluid seal is positioned about the rotatable shaft and positioned between the first portion and the second portion and the ferrofluid seal fluidically separates the first chamber from the second chamber. A control unit is attached to the second chamber and configured to control the gas enclosed in the second chamber such that a gas load in the first chamber is reduced.
摘要翻译： 用于控制施加在高真空室上的气体负载的系统包括封闭高真空并且定位在周围环境内的第一室，封闭气体并位于邻近第一室的周围环境内的第二室，以及可旋转轴 具有延伸到第一室中的第一部分和延伸到第二室中的第二部分。 铁磁流体密封件围绕可旋转轴定位并定位在第一部分和第二部分之间，并且铁磁流体密封件使第一腔室与第二腔室流体分离。 控制单元附接到第二室，并且被配置为控制封闭在第二室中的气体，使得第一室中的气体负载减小。
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公开(公告)号：US07519158B2
公开(公告)日：2009-04-14
申请号：US11609842
申请日：2006-12-12
申请人： Aniruddha Dattatraya Gadre , Darren Lee Hallman , John Scott Price , Paul M. Ratzmann , Richard Michael Roffers , Walter John Smith
发明人： Aniruddha Dattatraya Gadre , Darren Lee Hallman , John Scott Price , Paul M. Ratzmann , Richard Michael Roffers , Walter John Smith
CPC分类号： H01J35/101 , F16J15/43 , H01J2235/1046 , H01J2235/1066 , H01J2235/108
摘要： A system for mitigating a gas load imposed upon a high vacuum chamber, thereby reducing the overall pressure, includes a device mounted onto a rotating gantry. The device has a first chamber enclosing a high vacuum and a first region in which anode bearings are positioned. A rotatable shaft has a first portion extending into the first chamber and a second portion extending into the first region. A ferrofluid seal is positioned about the rotatable shaft and positioned between the first portion and the second portion, the ferrofluid seal fluidically separating the first chamber from the first region. At least one pressure-reducing unit is fluidically connected to the first chamber.
摘要翻译： 用于减轻施加在高真空室上的气体负载从而降低总体压力的系统包括安装在旋转机架上的装置。 该装置具有包围高真空的第一室和阳极轴承定位的第一区域。 旋转轴具有延伸到第一室中的第一部分和延伸到第一区域中的第二部分。 铁磁流体密封件围绕可旋转轴定位并定位在第一部分和第二部分之间，铁磁流体密封件使第一腔室与第一区域流体分离。 至少一个减压单元流体地连接到第一室。
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公开(公告)号：US20090041198A1
公开(公告)日：2009-02-12
申请号：US12175185
申请日：2008-07-17
申请人： John Scott Price , Vanita Mani , Antonio Caiafa , Kristopher John Frutschy , Susanne Madeline Lee , Vasile Bogden Neculaes , Fred Sharifi , Yun Zou
发明人： John Scott Price , Vanita Mani , Antonio Caiafa , Kristopher John Frutschy , Susanne Madeline Lee , Vasile Bogden Neculaes , Fred Sharifi , Yun Zou
IPC分类号： G21K1/02
摘要： Systems and methods for highly collimated and temporally variable X-ray beams. Disclosed herein is a system for producing a collimated X-ray beam, the system including one or more distributed electron sources configured to produce electron beams, one or more X-ray production targets configured to receive the electron beams and to generate X-ray beams at X-ray focal spots, X-ray optics configured to collect the X-ray beams from the X-ray focal spots, wherein the X-rays optics are configured to focus the X-ray beams to a single virtual focal spot, and an X-ray collimator configured to collimate the X-ray beams from the virtual focal spot to generate the collimated X-ray beam.
摘要翻译： 用于高度准直和时间可变的X射线束的系统和方法。 本文公开了一种用于产生准直X射线束的系统，该系统包括被配置为产生电子束的一个或多个分布式电子源，被配置为接收电子束的一个或多个X射线产生靶，并产生X射线束 在X射线焦点处，被配置为从X射线焦点收集X射线束的X射线光学元件，其中X射线光学元件被配置为将X射线束聚焦到单个虚拟焦点，以及 X射线准直仪被配置为使来自虚拟焦点的X射线束准直以产生准直的X射线束。
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8.发明申请公开(公告)号：US20080107236A1
公开(公告)日：2008-05-08
申请号：US11557201
申请日：2006-11-07
申请人： Aniruddha Gadre , Darren Lee Hallman , Paul M. Ratzmann , Richard Michael Roffers , John Scott Price
发明人： Aniruddha Gadre , Darren Lee Hallman , Paul M. Ratzmann , Richard Michael Roffers , John Scott Price
CPC分类号： H01J35/101 , H01J35/20 , H01J2235/20 , Y10T29/49826
摘要： A system for controlling a gas load imposed upon a high vacuum chamber includes a first chamber enclosing a high vacuum and positioned within an ambient environment, a second chamber enclosing a gas and positioned within the ambient environment adjacent to the first chamber, and a rotatable shaft having a first portion extending into the first chamber and a second portion extending into the second chamber. A ferrofluid seal is positioned about the rotatable shaft and positioned between the first portion and the second portion and the ferrofluid seal fluidically separates the first chamber from the second chamber. A control unit is attached to the second chamber and configured to control the gas enclosed in the second chamber such that a gas load in the first chamber is reduced.
摘要翻译： 用于控制施加在高真空室上的气体负载的系统包括封闭高真空并且定位在周围环境内的第一室，封闭气体并位于邻近第一室的周围环境内的第二室，以及可旋转轴 具有延伸到第一室中的第一部分和延伸到第二室中的第二部分。 铁磁流体密封件围绕可旋转轴定位并定位在第一部分和第二部分之间，并且铁磁流体密封件使第一腔室与第二腔室流体分离。 控制单元附接到第二室，并且被配置为控制封闭在第二室中的气体，使得第一室中的气体负载减小。
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公开(公告)号：US07319733B2
公开(公告)日：2008-01-15
申请号：US10951132
申请日：2004-09-27
IPC分类号： G01N23/00
CPC分类号： A61B6/032 , A61B6/06 , A61B6/4021 , A61B6/4233 , A61B6/4241 , A61B6/482 , G01T1/2985 , H01J2235/082 , H04N5/232 , H04N5/32
摘要： An imaging system is provided for various non-invasive medical and non-medical imaging. The imaging system includes a tunable X-ray source for emitting X-rays having a substantially monoenergetic spectrum and an energy discriminating detector for generating a detector output signal in response to the X-rays incident on the energy discriminating detector. The imaging system also includes a system controller comprising an X-ray controller for operating the tunable X-ray source and data acquisition circuitry for acquiring the detector output signal from the energy discriminating detector.
摘要翻译： 提供用于各种非侵入性医疗和非医学成像的成像系统。 成像系统包括用于发射具有基本上单能谱的X射线的可调谐X射线源和响应于入射到能量识别检测器上的X射线产生检测器输出信号的能量鉴别检测器。 成像系统还包括系统控制器，其包括用于操作可调谐X射线源的X射线控制器和用于从能量识别检测器获取检测器输出信号的数据采集电路。
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公开(公告)号：US07192031B2
公开(公告)日：2007-03-20
申请号：US10708048
申请日：2004-02-05
CPC分类号： A61B6/032 , A61B6/4028 , A61B6/4488 , H01J35/065 , H01J35/14 , H01J2235/02 , H01J2235/06
摘要： An field emitter array system (10) includes a housing (50). An emitter array (80) generates an electron beam and has multiple emitter elements (81) that are disposed within the housing (50). Each of the emitter elements has multiple activation connections (92).
摘要翻译： 场发射器阵列系统（10）包括壳体（50）。 发射极阵列（80）产生电子束并具有设置在壳体（50）内的多个发射极元件（81）。 每个发射器元件具有多个激活连接（92）。
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