发明授权
US07253417B2 Multi-axis compound lens, beam system making use of the compound lens, and method using the compound lens 有权
多轴复合透镜,使用复合透镜的光束系统,以及使用复合透镜的方法

Multi-axis compound lens, beam system making use of the compound lens, and method using the compound lens
摘要:
The invention provides an optical system for a charged particle multi-beam system. The optical system comprises an electrostatic lens component and a magnetic lens component. The components are used to focus a plurality of charged particle beams in a separate opening for each of at least a plurality a charged particle beams traveling through the optical system.
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