发明授权
- 专利标题: Electron beam-writing apparatus and electron beam-writing method
- 专利标题(中): 电子束写入装置和电子束写入方法
-
申请号: US08918165申请日: 1997-08-25
-
公开(公告)号: US06288407B1公开(公告)日: 2001-09-11
- 发明人: Katsuyuki Itoh
- 申请人: Katsuyuki Itoh
- 优先权: JP8-230370 19960830
- 主分类号: H01L21027
- IPC分类号: H01L21027
摘要:
An electron beam-writing apparatus comprising a first beam-shaping aperture means and a second beam-shaping aperture means, wherein the first and/or second beam-shaping aperture means has an aperture(s) of a shape(s) corresponding to the desired patterns to be written on a semiconductor substrate; and an electron beam-writing method of improved throughput using the apparatus.
信息查询