Invention Application
- Patent Title: DETERMINING LITHOGRAPHIC MATCHING PERFORMANCE
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Application No.: US17640880Application Date: 2020-08-11
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Publication No.: US20220334503A1Publication Date: 2022-10-20
- Inventor: Yingchao CUI , Hadi YAGUBIZADE , Xiuhong WEI , Daan Maurits SLOTBOOM , Jeonghyun PARK , Sarathi ROY , Yichen ZHANG , Mohammad Reza KAMALI , Sang Uk KIM
- Applicant: ASML NETHERLANDS B.V.
- Applicant Address: NL Veldhoven
- Assignee: ASML NETHERLANDS B.V.
- Current Assignee: ASML NETHERLANDS B.V.
- Current Assignee Address: NL Veldhoven
- Priority: EP19196849.4 20190912,EP19198515.9 20190920,EP20166146.9 20200327
- International Application: PCT/EP2020/072473 WO 20200811
- Main IPC: G03F7/20
- IPC: G03F7/20

Abstract:
A method for determining lithographic matching performance includes obtaining first monitoring data from recurrent monitoring for stability control for an available EUV scanner. For a DUV scanner, second monitoring data is similarly obtained from recurrent monitoring for stability control. The EUV first monitoring data are in a first layout. The DUV second monitoring data are in a second layout. A cross-platform overlay matching performance between the first lithographic apparatus and the second lithographic apparatus is determined based on the first monitoring data and the second monitoring data. This is done by reconstructing the first and/or second monitoring data into a common layout to allow comparison of the first and second monitoring data.
Information query
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