| 发明名称 |
Photomask and pattern forming method employing the same |
| 摘要 |
A semitransparent phase shifting mask has, in the periphery of a pattern element area, a light shielding portion which is formed by a semitransparent phase shifting portion and a transparent portion with the optimal size combination. A pattern is formed employing the semitransparent phase shifting mask. |
| 申请公布号 |
US5656400(A) |
申请公布日期 |
1997.08.12 |
| 申请号 |
US19960699732 |
申请日期 |
1996.08.20 |
| 申请人 |
HITACHI, LTD. |
发明人 |
HASEGAWA, NORIO;MURAI, FUMIO;HAYANO, KATSUYA |
| 分类号 |
G03F1/08;G03F1/00;G03F1/32;G03F1/68;G03F7/20;H01L21/027;H01L21/30;(IPC1-7):G03F9/00 |
主分类号 |
G03F1/08 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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