The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 02, 2024

Filed:

Sep. 26, 2022
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventors:

Atsushi Shigenobu, Tochigi, JP;

Fuma Kizu, Tochigi, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F 7/00 (2006.01);
U.S. Cl.
CPC ...
G03F 7/705 (2013.01);
Abstract

A method including calculating, using an objective function, which includes a regression model used to estimate an array of a plurality of regions on a substrate and a regularization term used to limit a value of a coefficient of the regression model, a value of each of a plurality of coefficients included in the regression model, with which the objective function becomes not more than a reference value, extracting, based on the calculated values, the coefficient having the value not less than a threshold value from the plurality of coefficients, and obtaining, using a regression model including only the extracted coefficient, an array of a plurality of regions on a substrate.


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