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1. 发明授权

US08487534B2 Pierce gun and method of controlling thereof 有权
标题翻译：皮尔斯枪及其控制方法
公开(公告)号：US08487534B2
公开(公告)日：2013-07-16
申请号：US12750841
申请日：2010-03-31
申请人： Antonio Caiafa , Xi Zhang , Vance Robinson , Sergio Lemaitre
发明人： Antonio Caiafa , Xi Zhang , Vance Robinson , Sergio Lemaitre
IPC分类号： H01J25/50 , H05B31/26
CPC分类号： H01J35/06 , H05G1/32
摘要： A system and method for controlling the temperature of both an electron emitter and a filament to their lowest possible operating temperature is disclosed. The apparatus includes a filament, an electron emitter heated by the filament to generate an electron beam, and a power supply configured to supply power to each of the filament and the electron emitter. The apparatus also includes a control system to control a supply of power to each of the filament and the electron emitter, with the control system being configured to receive an input indicative of a desired electron emitter operating temperature, cause a desired voltage to be applied between the electron emitter and the filament, and cause a desired voltage to be applied to the filament based on the desired emitter element operating temperature, so as to minimize an operating temperature of the electron emitter and the filament.
摘要翻译：公开了一种用于将电子发射器和灯丝的温度控制到其最低可能工作温度的系统和方法。该装置包括灯丝，由灯丝加热以产生电子束的电子发射器，以及被配置为向灯丝和电子发射器中的每一个供电的电源。该装置还包括控制系统，用于控制向每个灯丝和电子发射器供电的功率，其中控制系统被配置为接收指示期望的电子发射器工作温度的输入，电子发射体和细丝，并且基于期望的发射极元件工作温度使所需的电压施加到灯丝，以使电子发射器和灯丝的工作温度最小化。

2. 发明申请

US20110241575A1 PIERCE GUN AND METHOD OF CONTROLLING THEREOF 有权
标题翻译：琵琶枪及其控制方法
公开(公告)号：US20110241575A1
公开(公告)日：2011-10-06
申请号：US12750841
申请日：2010-03-31
申请人： Antonio Caiafa , Xi Zhang , Vance Robinson , Sergio Lemaitre
发明人： Antonio Caiafa , Xi Zhang , Vance Robinson , Sergio Lemaitre
IPC分类号： H01J29/48
CPC分类号： H01J35/06 , H05G1/32
摘要： A system and method for controlling the temperature of both an electron emitter and a filament to their lowest possible operating temperature is disclosed. The apparatus includes a filament, an electron emitter heated by the filament to generate an electron beam, and a power supply configured to supply power to each of the filament and the electron emitter. The apparatus also includes a control system to control a supply of power to each of the filament and the electron emitter, with the control system being configured to receive an input indicative of a desired electron emitter operating temperature, cause a desired voltage to be applied between the electron emitter and the filament, and cause a desired voltage to be applied to the filament based on the desired emitter element operating temperature, so as to minimize an operating temperature of the electron emitter and the filament.
摘要翻译：公开了一种用于将电子发射器和灯丝的温度控制到其最低可能工作温度的系统和方法。该装置包括灯丝，由灯丝加热以产生电子束的电子发射器，以及被配置为向灯丝和电子发射器中的每一个供电的电源。该装置还包括控制系统，用于控制向每个灯丝和电子发射器供电的功率，其中控制系统被配置为接收指示期望的电子发射器工作温度的输入，电子发射体和细丝，并且基于期望的发射极元件工作温度使所需的电压施加到灯丝，以使电子发射器和灯丝的工作温度最小化。

3. 发明申请

US20120027165A1 APPARATUS AND METHOD FOR MAGNETIC CONTROL OF AN ELECTRON BEAM 有权
标题翻译：电子束磁控制装置及方法
公开(公告)号：US20120027165A1
公开(公告)日：2012-02-02
申请号：US12845579
申请日：2010-07-28
申请人： Antonio Caiafa , Maja Harfman Todorovic , Joseph Leclaire Reynolds
发明人： Antonio Caiafa , Maja Harfman Todorovic , Joseph Leclaire Reynolds
IPC分类号： A61B6/03 , H01J35/14
CPC分类号： H05G1/52 , H01J35/14
摘要： An apparatus and method for magnetic control of an electron beam includes a control circuit having a first low voltage source and a second low voltage source. The control circuit also includes a first switching device coupled in series with the first low voltage source and configured to create a first current path with the first low voltage source when in a closed position and a second switching device coupled in series with the second low voltage source and configured to create a second current path with the second low voltage source when in a closed position. The control circuit further includes a capacitor coupled in parallel with an electron beam manipulation coil and positioned along the first and second current paths and a current source circuit electrically coupled to the electron beam manipulation coil and constructed to generate an offset current in the first and second current paths.
摘要翻译：用于电子束的磁控制的装置和方法包括具有第一低电压源和第二低电压源的控制电路。控制电路还包括与第一低电压源串联耦合的第一开关器件，并配置成在处于闭合位置时产生与第一低电压源的第一电流通路，以及与第二低电压串联耦合的第二开关器件源和配置为当处于关闭位置时与第二低电压源产生第二电流路径。控制电路还包括与电子束操作线圈并联并沿着第一和第二电流路径定位的电容器和电耦合到电子束操纵线圈的电流源电路，并被构造成在第一和第二电流线路中产生偏移电流当前路径。

4. 发明申请

US20090185661A1 VIRTUAL MATRIX CONTROL SCHEME FOR MULTIPLE SPOT X-RAY SOURCE 有权
标题翻译：用于多点X射线源的虚拟矩阵控制方案
公开(公告)号：US20090185661A1
公开(公告)日：2009-07-23
申请号：US12113726
申请日：2008-05-01
申请人： Yun Zou , Mark E. Vermilyea , Louis Paul Inzinna , Antonio Caiafa
发明人： Yun Zou , Mark E. Vermilyea , Louis Paul Inzinna , Antonio Caiafa
IPC分类号： H01J35/06 , H05B37/02
CPC分类号： H01J3/021 , H01J1/30 , H01J1/3048 , H01J3/027 , H01J35/065 , H01J35/14 , H01J2201/319 , H01J2203/0204 , H01J2235/062 , H01J2235/068
摘要： A system and method for addressing individual electron emitters in an emitter array is disclosed. The system includes an emitter array comprising a plurality of emitter elements arranged in a non-rectangular layout and configured to generate at least one electron beam and a plurality of extraction grids positioned adjacent to the emitter array, each extraction grid being associated with at least one emitter element to extract the at least one electron beam therefrom. The field emitter array system also includes a plurality of voltage control channels connected to the plurality of emitter elements and the plurality of extraction grids such that each of the emitter elements and each of the extraction grids is individually addressable. In the field emitter array system, the number of voltage control channels is equal to the sum of a pair of integers closest in value whose product equals the number of emitter elements.
摘要翻译：公开了一种用于寻址发射极阵列中的各个电子发射体的系统和方法。该系统包括发射器阵列，其包括以非矩形布局布置的多个发射体元件，并且被配置为产生至少一个电子束和邻近发射器阵列定位的多个提取栅格，每个提取栅格与至少一个发射极元件从其中提取至少一个电子束。场发射器阵列系统还包括连接到多个发射体元件和多个提取栅格的多个电压控制通道，使得每个发射极元件和每个提取栅格可单独寻址。在场发射极阵列系统中，电压控制通道的数量等于产品等于发射极元件数量的最接近值的一对整数之和。

5. 发明申请

US20090041198A1 HIGHLY COLLIMATED AND TEMPORALLY VARIABLE X-RAY BEAMS 审中-公开
标题翻译：高度可变的和可变的X射线
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
CPC分类号： G21K1/06 , G21K1/02 , H01J35/06 , H01J35/24
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。

6. 发明申请

US20130051532A1 ELECTRON BEAM MANIPULATION SYSTEM AND METHOD IN X-RAY SOURCES 有权
标题翻译：电子束操纵系统和X射线源的方法
公开(公告)号：US20130051532A1
公开(公告)日：2013-02-28
申请号：US13223036
申请日：2011-08-31
申请人： Antonio Caiafa
发明人： Antonio Caiafa
IPC分类号： H05G1/34
CPC分类号： H01J35/18 , H01J35/14 , H05G1/52
摘要： The embodiments disclosed herein relate to the controlled generation of X-rays and, more specifically, to the control of electron beams that are used to produce X-rays using one or more electron beam manipulation coils. For example, methods and devices for driving an electron beam manipulation coil, as well as systems using these devices, are provided. The systems are generally configured to maintain a first current though an electron beam manipulation coil using a first voltage source and to switch the first current to a second current using a second voltage source.
摘要翻译：本文公开的实施例涉及X射线的受控产生，更具体地涉及用于使用一个或多个电子束操纵线圈产生X射线的电子束的控制。例如，提供了用于驱动电子束操纵线圈的方法和装置，以及使用这些装置的系统。这些系统通常被配置为使用第一电压源通过电子束操纵线圈保持第一电流，并且使用第二电压源将第一电流切换到第二电流。

7. 发明申请

US20100271081A1 GATE DRIVE CIRCUITRY FOR NON-ISOLATED GATE SEMICONDUCTOR DEVICES 有权
标题翻译：用于非隔离栅极半导体器件的栅极驱动电路
公开(公告)号：US20100271081A1
公开(公告)日：2010-10-28
申请号：US12495048
申请日：2009-06-30
申请人： Antonio Caiafa , Jeffrey Joseph Nasadoski , John Stanley Glaser , Juan Antonio Sabate , Richard Alfred Beaupre
发明人： Antonio Caiafa , Jeffrey Joseph Nasadoski , John Stanley Glaser , Juan Antonio Sabate , Richard Alfred Beaupre
IPC分类号： H03K3/00
CPC分类号： H03K17/687 , H03K2017/6875 , H03K2217/0036
摘要： One embodiment is a gate drive circuitry for switching a semiconductor device having a non-isolated input, the gate drive circuitry having a first circuitry configured to turn-on the semiconductor device by imposing a current on a gate of the semiconductor device so as to forward bias an inherent parasitic diode of the semiconductor device. There is a second circuitry configured to turn-off the semiconductor device by imposing a current on the gate of the semiconductor device so as to reverse bias the parasitic diode of the semiconductor device wherein the first circuitry and the second circuitry are coupled to the semiconductor device respectively through a first switch and a second switch.
摘要翻译：一个实施例是用于切换具有非隔离输入的半导体器件的栅极驱动电路，栅极驱动电路具有第一电路，其被配置为通过在半导体器件的栅极上施加电流来接通半导体器件，以便向前偏置半导体器件的固有寄生二极管。存在第二电路，其被配置为通过在半导体器件的栅极上施加电流来关断半导体器件，以便反向偏置半导体器件的寄生二极管，其中第一电路和第二电路耦合到半导体器件分别通过第一开关和第二开关。

8. 发明授权

US07809114B2 Field emitter based electron source for multiple spot X-ray 有权
标题翻译：用于多点X射线的场发射体电子源
公开(公告)号：US07809114B2
公开(公告)日：2010-10-05
申请号：US12017098
申请日：2008-01-21
申请人： Yun Zou , Mark E. Vermilyea , Louis Paul Inzinna , Vasile Bogdan Neculaes , John Scott Price , Yang Cao , Antonio Caiafa
发明人： Yun Zou , Mark E. Vermilyea , Louis Paul Inzinna , Vasile Bogdan Neculaes , John Scott Price , Yang Cao , Antonio Caiafa
IPC分类号： H01J35/06 , H01J35/14
CPC分类号： H01J1/3048 , H01J2235/062 , H01J2235/068
摘要： A multiple spot x-ray generator is provided that includes a plurality of electron generators. Each electron generator includes an emitter element to emit an electron beam, a meshed grid adjacent each emitter element to enhance an electric field at a surface of the emitter element, and a focusing element positioned to receive the electron beam from each of the emitter elements and focus the electron beam to form a focal spot on a shielded target anode, the shielded target anode structure producing an array of x-ray focal spots when impinged by electron beams generated by the plurality of electron generators. The plurality of electron generators are arranged to form an electron generator matrix that includes activation connections electrically connected to the plurality of electron generators, wherein each electron generator is connected to a pair of the activation connections to receive an electric potential therefrom.
摘要翻译：提供了包括多个电子发生器的多点x射线发生器。每个电子发生器包括发射电子束的发射体元件，邻近每个发射极元件的网格栅格，以增强发射体元件表面的电场;以及聚焦元件，其定位成从每个发射体元件接收电子束，聚焦电子束以在屏蔽目标阳极上形成焦斑，屏蔽目标阳极结构在由多个电子发生器产生的电子束撞击时产生X射线焦点阵列。多个电子发生器被布置成形成电子发生器矩阵，其包括电连接到多个电子发生器的激活连接，其中每个电子发生器连接到一对激活连接以从其接收电位。

9. 发明授权

US08861681B2 Method and system for active resonant voltage switching 有权
标题翻译：有源谐振电压开关的方法和系统
公开(公告)号：US08861681B2
公开(公告)日：2014-10-14
申请号：US12972156
申请日：2010-12-17
申请人： Antonio Caiafa , Peter Michael Edic , Colin Richard Wilson
发明人： Antonio Caiafa , Peter Michael Edic , Colin Richard Wilson
IPC分类号： H05G1/32 , H02M7/10 , H02M3/337 , H05G1/10 , H02M1/00
CPC分类号： H02M7/10 , H02M3/337 , H02M2001/0058 , H05G1/10 , Y02B70/1433 , Y02B70/1491
摘要： Methods and systems for active resonant voltage switching are provided. One active resonant switching system includes a voltage switching system having one or more active resonant modules to provide a switching voltage output. Each of the resonant modules includes a plurality of switching devices configured to operate in open and closed states to produce first and second voltage level outputs from a voltage input. The resonant modules also include a capacitor connected to the switching devices and configured to receive a discharge energy during a resonant operating cycle when switching an output voltage from the first voltage level to the second voltage level, wherein the capacitor is further configured to restore system energy when switching from the second to first voltage level. The resonant modules further include a resonant inductor configured to transfer energy to and from the capacitor.
摘要翻译：提供了主动谐振电压切换的方法和系统。一个有源谐振开关系统包括具有一个或多个有源谐振模块以提供开关电压输出的电压切换系统。每个谐振模块包括多个开关装置，其被配置为在打开和关闭状态下操作以从电压输入产生第一和第二电压电平输出。谐振模块还包括连接到开关装置的电容器，并且被配置为在将输出电压从第一电压电平切换到第二电压电平时在谐振操作周期期间接收放电能量，其中电容器还被配置为恢复系统能量当从第二电压电平切换到第一电压电平时。谐振模块还包括被配置为将能量传递到电容器和从电容器传输能量的谐振电感器。

10. 发明授权

US07844030B2 System and method of fast switching for spectral imaging 有权
标题翻译：光谱成像快速切换的系统和方法
公开(公告)号：US07844030B2
公开(公告)日：2010-11-30
申请号：US12264428
申请日：2008-11-04
申请人： Colin R. Wilson , Antonio Caiafa , John Charles Hill , Samit Kumar Basu , Pierfrancesco Landolfi , Peter Michael Edic
发明人： Colin R. Wilson , Antonio Caiafa , John Charles Hill , Samit Kumar Basu , Pierfrancesco Landolfi , Peter Michael Edic
IPC分类号： H05G1/32 , H05G1/10 , H05G1/56
CPC分类号： H05G1/10 , A61B6/032 , A61B6/405 , A61B6/482 , H05G1/58
摘要： A system includes a generator configured to output at least one voltage level and an x-ray source configured to generate x-rays directed toward an object. The system includes a module coupled to the output of the generator and to an input of the x-ray source and configured to switch or assist in switching an output to the x-ray source between a first voltage level and a second voltage level.
摘要翻译：系统包括被配置为输出至少一个电压电平的发生器和被配置为产生朝向对象的x射线的x射线源。该系统包括耦合到发生器的输出和x射线源的输入的模块，并被配置为在第一电压电平和第二电压电平之间切换或辅助将输出切换到X射线源。

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