Recipe selection based on inter-recipe consistency

AJ Den Boef, TD Davis, PD Engblom… - US Patent …, 2019 - Google Patents
A method including: determining recipe consistencies between one substrate measurement
recipe of a plurality of substrate measurement recipes and each other substrate …

Yield estimation and control

SA Middlebrooks, WMJM Coene… - US Patent …, 2020 - Google Patents
(57) ABSTRACT A defect prediction method for a device manufacturing process involving
production substrates processed by a lithographic apparatus, the method including training …

Pattern selection for full-chip source and mask optimization

H Liu - US Patent 8,438,508, 2013 - Google Patents
US PATENT DOCUMENTS 7.587, 704 B2 9, 2009 Ye et al. 2003, OO73013 A1 4/2003 HSu
et al. 2004.0156030 A1 8, 2004 Hansen 2004/O181768 A1 9, 2004 Krukar 2004/0265707 …

Source mask optimization to reduce stochastic effects

SG Hansen - US Patent 9,213,783, 2015 - Google Patents
BACKGROUND A lithographic projection apparatus can be used, for example, in the
manufacture of integrated circuits (ICs). In Such a case, a patterning device (eg, a mask) …

Identification of hot spots or defects by machine learning

J Su, Y Zou, C Lin, S Hunsche, M Jochemsen… - US Patent …, 2022 - Google Patents
Methods of identifying a hot spot from a design layout or of predicting whether a pattern in a
design layout is defective, using a machine learning model. An example method disclosed …

Model for calculating a stochastic variation in an arbitrary pattern

SG Hansen - US Patent 10,545,411, 2020 - Google Patents
(57) ABSTRACT A method of determining a relationship between a stochastic variation of a
characteristic of an aerial image or a resist image and one or more design variables, the …

Optimization based on machine learning

X Liu - US Patent 10,409,165, 2019 - Google Patents
A method for improving a lithographic process for imaging a portion of a design layout onto a
substrate using a lithographic apparatus, the method including: obtaining a first source of the …

Synchronized parallel tile computation for large area lithography simulation

D Beylkin, KL Ho, SV Trivedi, F Xu, J Lei… - US Patent …, 2020 - Google Patents
Examples of synchronized parallel tile computation techniques for large area lithography
simulation are disclosed herein for solving tile boundary issues. An exemplary method for …

Hotspot aware dose correction

G Chen, TS Wang - US Patent 10,372,043, 2019 - Google Patents
A method for improving a lithographic process for imaging a portion of a design layout onto a
substrate using a lithographic apparatus, the method including: obtaining a relationship of a …

Flows of optimization for lithographic processes

DFS Hsu, RC Howell, X Liu - US Patent 10,025,201, 2018 - Google Patents
A method to improve a lithographic process for imaging a portion of a design layout onto a
substrate using a lithographic projection apparatus having an illumination system and …