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:
May. 31, 2022
Filed:
Jun. 10, 2019
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Yosuke Takarada, Utsunomiya, JP;
Yusuke Miura, Nikko, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05B 19/41 (2006.01); H01L 21/02 (2006.01); G03F 7/20 (2006.01); G05B 19/418 (2006.01);
U.S. Cl.
CPC ...
G03F 7/7065 (2013.01); G05B 19/41875 (2013.01); G03F 7/70 (2013.01); G05B 2219/45028 (2013.01); G05B 2219/45031 (2013.01); H01L 21/02 (2013.01);
Abstract
An information processing apparatus includes an acquisition unit configured to acquire a plurality of pieces of collected data collected in a state where lithographic processing is executed by a lithography apparatus for forming a pattern by applying a plurality of processing conditions, a classification unit configured to classify the acquired data based on the processing conditions, a judgement unit configured to judge that an abnormality has occurred in the acquired collected data by judging whether the collected data falls within an allowable range specified based on the processing conditions.