发明名称 Charged particle beam exposure apparatus
摘要 A barrier electrode is formed above an article to be exposed so as to be opposite the surface of the article to be exposed. A voltage is applied to the barrier electrode so as to form a barrier electric field surrounding the optical axis of a charged particle beam and surrounding the article to be exposed.
申请公布号 US5420433(A) 申请公布日期 1995.05.30
申请号 US19940214415 申请日期 1994.03.18
申请人 FUJITSU LIMITED 发明人 OAE, YOSHIHISA;TAKAHASHI, YASUSHI;YASUDA, HIROSHI
分类号 H01L21/027;G03F7/20;H01J37/30;(IPC1-7):H01J37/317 主分类号 H01L21/027
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