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:
Jul. 23, 2019
Filed:
Oct. 30, 2012
Nikon Corporation, Tokyo, JP;
Kazuhiko Fukazawa, Kamakura, JP;
NIKON CORPORATION, Tokyo, JP;
Abstract
There is provided an inspection apparatus, including: an illuminator configured to irradiate a pattern, a detector configured to detect a reflected light from the pattern, and a calculator configured to compare a first change and a second change to calculate a deviation between the first and second changes. The first change which is a change, of a detection result of a pattern formed by a plurality of first exposure conditions, with respect to the first exposure conditions. The second change which is a change, of a detection result of a reflected light, from a pattern, generated by irradiating the pattern with the illumination light. The pattern is formed by a plurality of second exposure conditions each having a predetermined interval in a range which has at least one part overlapping with a range of the first exposure conditions, with respect to the second exposure conditions.