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公开(公告)号:US11614690B2
公开(公告)日:2023-03-28
申请号:US16478489
申请日:2018-01-24
Applicant: ASML NETHERLANDS B.V.
Inventor: Mu Feng , Mir Farrokh Shayegan Salek , Dianwen Zhu , Leiwu Zheng , Rafael C. Howell , Jen-Shiang Wang
IPC: G05B19/418 , G03F7/20
Abstract: Methods of constructing a process model for simulating a characteristic of a product of lithography from patterns produced under different processing conditions. The methods use a deviation between the variation of the simulated characteristic and the variation of the measured characteristic to adjust a parameter of the process model.