公开(公告)号：US20070076849A1

公开(公告)日：2007-04-05

申请号：US11540133

申请日：2006-09-28

申请人： Erik Bard ,  Charles Jensen ,  Shaun Ogden ,  Steven Liddiard

发明人： Erik Bard ,  Charles Jensen ,  Shaun Ogden ,  Steven Liddiard

IPC分类号： H01J35/00

CPC分类号： H01J35/14 ,  H01J35/18 ,  H01J2235/1216

摘要： An x-ray source has an evacuated tube. An anode is disposed in the tube and includes a material configured to produce x-rays in response to impact of electrons. A cathode is disposed in the tube opposing the anode configured to produce electrons accelerated towards the anode in response to an electric field between the anode and the cathode. A flange extends from the cathode toward the anode, and has a smaller diameter than the evacuated tube. The flange extends closer to the anode than an interface between the cathode and the tube thus forming a reduced-field region between the evacuated tube and the flange.

摘要翻译： x射线源具有抽真空管。 阳极设置在管中并且包括被配置为响应于电子的冲击产生x射线的材料。 阴极配置在与阳极相对的管中，配置为响应于阳极和阴极之间的电场产生向阳极加速的电子。 凸缘从阴极延伸到阳极，并且具有比抽真空管更小的直径。 凸缘比阴极和管之间的界面更靠近阳极，从而在真空管和凸缘之间形成减小区域。

公开(公告)号：US20070025516A1

公开(公告)日：2007-02-01

申请号：US11395531

申请日：2006-03-30

申请人： Erik Bard ,  Charles Jensen ,  Arturo Reyes ,  Shaun Ogden ,  Steven Liddiard

发明人： Erik Bard ,  Charles Jensen ,  Arturo Reyes ,  Shaun Ogden ,  Steven Liddiard

IPC分类号： H01J35/14

CPC分类号： H01J35/16 ,  H01J35/14 ,  H01J2235/087 ,  H01J2235/165 ,  H05G1/04

摘要： An X-ray source includes a magnetic appliance to provide electron beam focusing. The magnetic appliance can provide variably focused and non-focused configurations. The magnetic appliance can include one or more electromagnets and/or permanent magnets. An electric potential difference is applied to an anode and a cathode that are disposed on opposite sides of an evacuated tube. The cathode includes a cathode element to produce electrons that are accelerated towards the anode in response to the electric field between the anode and the cathode. The anode includes a target material to produce x-rays in response to impact of electrons.

摘要翻译： X射线源包括提供电子束聚焦的磁性器具。 磁性设备可以提供可变的聚焦和非聚焦配置。 磁性器具可以包括一个或多个电磁体和/或永磁体。 对设置在真空管的相对侧的阳极和阴极施加电位差。 阴极包括阴极元件，以产生响应于阳极和阴极之间的电场而朝向阳极加速的电子。 阳极包括响应于电子的冲击而产生x射线的靶材料。