Impact of stochastic process variations on overlay mark fidelity "towards the 5nm node"

Author:

Adel Michael1,Gronheid Roel2,Mack Chris3,Leray Philippe4,Gurevich Evgeni1,Baudemprez Bart4,Vandenheuvel Dieter4,Mani Antonio2,Aharon Sharon1,Klein Dana1,Lee Jungtae5,Smith Mark D.6

Affiliation:

1. KLA-Tencor Israel (Israel)

2. KLA-Tencor Belgium (Belgium)

3. Fractilia (United States)

4. IMEC (Belgium)

5. KLA-Tencor (Korea, Republic of)

6. KLA-Tencor Corp. (United States)

Publisher

SPIE

Reference7 articles.

1. Stochastic exposure kinetics of EUV photoresists: a simulation study

2. Characterization of overlay mark fidelity

3. Target noise in overlay metrology

4. Overlay metrology solutions in a triple patterning scheme;Leray,2015

5. Correlation length and the problem of Line Width Roughness;Constantoudis,2007

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1. Zernike model for overlay control and tool monitor for lithography and etch process;Journal of Vacuum Science & Technology B;2022-12

2. Enabling on-device and target-free overlay measurement from CD-SEM contours;Metrology, Inspection, and Process Control XXXVI;2022-05-26

3. On product overlay metrology challenges in advanced nodes;Metrology, Inspection, and Process Control for Microlithography XXXIV;2020-03-20

4. OPO residuals improvement with imaging metrology for 3D NAND;Metrology, Inspection, and Process Control for Microlithography XXXIV;2020-03-20

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