发明名称 ELECTRON BEAM EXPOSURE SYSTEM AND ELECTRON LENS
摘要 An electron beam exposure system for exposing a pattern on a wafer using a plurality of electron beams, comprising a section for generating a plurality of electron beams, an electron lens section having a plurality of openings for passing a plurality of electron beams and focusing the plurality of electron beams independently, and a coil section provided at at least one of the plurality of openings and forming a magnetic field in a direction substantially perpendicular to the irradiating direction of an electron beam passing through the opening.
申请公布号 WO0247135(A1) 申请公布日期 2002.06.13
申请号 WO2001JP09931 申请日期 2001.11.14
申请人 ADVANTEST CORPORATION;HARAGUCHI, TAKESHI 发明人 HARAGUCHI, TAKESHI
分类号 G03F7/20;H01J37/141;H01J37/147;H01J37/305;H01J37/317;H01L21/027 主分类号 G03F7/20
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