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.
Patent No.:
Date of Patent:
Oct. 13, 2026
Filed:
Dec. 14, 2022
Hitachi High-tech Corporation, Tokyo, JP;
Kenji Yasui, Tokyo, JP;
Mayuka Osaki, Tokyo, JP;
Hitoshi Namai, Tokyo, JP;
Yuki Ojima, Tokyo, JP;
Wataru Nagatomo, Tokyo, JP;
Masami Ikota, Tokyo, JP;
Maki Kimura, Tokyo, JP;
Hitachi High-Tech Corporation, Tokyo, JP;
Abstract
To provide a technique capable of quantitatively grasping a change in three-dimensional shape including a cross-sectional shape of a pattern within a surface of a wafer or between wafers in a non-destructive manner before cross-sectional observation. A processor system of a semiconductor inspection system acquires images captured by an electron microscope (SEM) for a sample (S), calculates, for a reference region defined on a surface of the sample, first feature data corresponding to each of a plurality of locations in the reference region from the captured image (SA), calculates a first statistical value based on the first feature data at the plurality of locations (SB), calculates, for each of a plurality of evaluation regions defined as points or regions on the surface of the sample in correspondence with the reference region, second feature data corresponding to each of one or more locations in the evaluation region from the captured image, as feature data of the same type as the first feature data (SA), and converts the second feature data using the first statistical value to obtain second feature data after conversion (S).
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile