公开(公告)号：US20090261266A1

公开(公告)日：2009-10-22

申请号：US12492610

申请日：2009-06-26

Applicant: STEFAN LANIO

Inventor： STEFAN LANIO

IPC: H01J1/50

CPC classification number: H01J37/141 ,  B82Y10/00 ,  B82Y40/00 ,  H01J37/145 ,  H01J37/3177 ,  H01J2237/1205 ,  H01J2237/1405

Abstract: The invention provides a lens system for a plurality of charged particle beams. The lens system comprises an excitation coil providing a magnetic flux to a pole piece unit having a first pole piece, a second pole piece and at least two openings for charged particle beams, wherein the two openings are arranged in one row, thereby forming a lens row, and wherein the pole piece unit has an elongated shape.

Abstract translation: 本发明提供一种用于多个带电粒子束的透镜系统。 所述透镜系统包括向具有第一极片，第二极片和用于带电粒子束的至少两个开口的极片单元提供磁通的激励线圈，其中两个开口布置成一排，从而形成透镜 并且其中所述极靴单元具有细长形状。