发明名称 Method for forming fine exposure patterns using dual exposure
摘要 A method for forming a pattern in a resist is provided. A resist is formed on a surface of a substrate. A first portion of the resist is exposed to a charged particle beam, such as an electron beam, to alter a first characteristic of the first portion of the resist. A second portion of the resist is exposed to electromagnetic radiation, such as UV light, to alter a second characteristic of the second portion of the resist. The second portion is larger than the first portion. At least part of the first portion is removed using the altered characteristics of the resist such that a remaining portion defines the pattern in the resist. Using this method, fine pattern resists having less than 100 nm resolution may be created at high throughput rates.
申请公布号 US6541182(B1) 申请公布日期 2003.04.01
申请号 US20000690824 申请日期 2000.10.18
申请人 TDK CORPORATION 发明人 LOUIS JOSEPH DOGUE ISABELLE;HATATE HITOSHI;KAGOTANI TSUNEO;AOYAMA TSUTOMU
分类号 G03F7/20;H01L21/027;(IPC1-7):G03C5/00 主分类号 G03F7/20
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