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 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|