发明名称 |
Self-Calibrated Alignment and Overlay Target and Measurement |
摘要 |
An alignment feature disposed on a substrate, the alignment feature including a first lithographic pattern having a first aggregate geometric center point defined by a first sub-pattern comprising alignment marks having a first sub-pattern geometric center point arranged a distance (d0) in a first direction from the first aggregate geometric center point, and a second sub-pattern comprising alignment marks having a second sub-pattern geometric center point arranged the distance d0 in a reciprocal direction of the first direction from the first aggregate geometric center point.
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申请公布号 |
US2013044320(A1) |
申请公布日期 |
2013.02.21 |
申请号 |
US201113211594 |
申请日期 |
2011.08.17 |
申请人 |
INTERNATIONAL BUSINESS MACHINES CORPORATION;AUSSCHNITT CHRISTOPHER P.;FELIX NELSON |
发明人 |
AUSSCHNITT CHRISTOPHER P.;FELIX NELSON |
分类号 |
G01B11/00 |
主分类号 |
G01B11/00 |
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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