公开(公告)号：WO2017095422A1

公开(公告)日：2017-06-08

申请号：PCT/US2015/063771

申请日：2015-12-03

Applicant: VARIAN MEDICAL SYSTEMS, INC.

Inventor： GREENLAND, Kasey, Otho ,  MILLER, Robert, S. ,  STAMM, Michael

IPC: H01J5/18

CPC classification number: H01J35/16 ,  H01J35/101 ,  H01J35/105 ,  H01J35/14 ,  H01J2235/1086 ,  H01J2235/168

Abstract: An X-ray assembly may include a vacuum wall, an anode, and a cathode. The vacuum wall may define a vacuum enclosure and may include an X-ray window. The anode may be located within the vacuum enclosure. The anode may include a target area. The cathode may be located within the vacuum enclosure. The cathode may generate an electron stream to travel to a focus area located at the target area of the anode. The cathode may be positioned such that the electron stream travels along an oblique path relative a virtual line positioned so as to intersect a center of the focus area and a center of the X-ray window.

Abstract translation: X射线组件可以包括真空壁，阳极和阴极。 真空壁可以限定真空外壳并且可以包括X射线窗口。 阳极可以位于真空外壳内。 阳极可以包括目标区域。 阴极可以位于真空外壳内。 阴极可以产生电子流以传播到位于阳极目标区域的聚焦区域。 阴极可以被定位成使得电子流相对于定位为与焦点区域的中心和X射线窗口的中心相交的虚拟线沿斜向路径行进。