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:
Jul. 15, 2025

Filed:

Oct. 25, 2021
Applicant:

Applied Materials Israel Ltd., Rehovot, IL;

Inventors:

Ronen Madmon, Mazkeret Batia, IL;

Ariel Shkalim, DN Sede-Gat, IL;

Shani Ben Yacov, Tel Aviv, IL;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06T 7/00 (2017.01); G01N 21/956 (2006.01); G06T 7/60 (2017.01); G06T 7/73 (2017.01); G06V 10/24 (2022.01); G06V 10/75 (2022.01);
U.S. Cl.
CPC ...
G06T 7/0006 (2013.01); G01N 21/956 (2013.01); G06T 7/001 (2013.01); G06T 7/60 (2013.01); G06T 7/74 (2017.01); G06V 10/245 (2022.01); G06V 10/751 (2022.01); G01N 2021/95676 (2013.01); G06T 2207/30148 (2013.01); G06V 10/759 (2022.01); G06V 2201/06 (2022.01);
Abstract

There is provided a system and method for mask inspection, comprising: obtaining a plurality of images, each representative of a respective part of the mask; generating a CD map of the mask comprising a plurality of composite values of a CD measurement of a POI respectively derived from the plurality of images, comprising, for each given image: dividing the given image into a plurality of sections; searching for the POI in the plurality of sections, giving rise to a set of sections, each with presence of at least one of the POI therein; for each section, obtaining a value of the CD measurement using a printing threshold, giving rise to a set of values of the CD measurement corresponding to the set of sections; and combining the set of values to a composite value of the CD measurement corresponding to the given image.


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