发明名称
摘要 PURPOSE:To form a super-fine resist pattern by directly forming a pattern corresponding to a phase shifter in a phase shift photomask on a resist applied on a substrate. CONSTITUTION:An upper layer resist pattern 10 is obtd. by exposing to g ray 14 and developing, and then a lower resist film 8 is exposed to i ray 12 with using a stepper in the area between a source electrode 4 and a train electrode 5. In this process, the upper layer resist pattern 10 acts as a phase shift layer for the i ray 12 and the edge of the upper layer resist pattern 10 acts as a fine light shielding part. Thereby, the lower layer resist film 8 except for the area corresponding to the edge of the pattern 10 is exposed to light. By developing the lower layer resist film 8, a super-fine resist pattern 16 for a gate can be obtd.
申请公布号 JP3027633(B2) 申请公布日期 2000.04.04
申请号 JP19910262277 申请日期 1991.10.09
申请人 发明人
分类号 G03F7/11;G03F7/20;G03F7/26;H01L21/027;(IPC1-7):G03F7/26 主分类号 G03F7/11
代理机构 代理人
主权项
地址