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. 01, 2014
Filed:
Sep. 10, 2012
Takayuki Kawamoto, Tokyo, JP;
Takayuki Kawamoto, Tokyo, JP;
Canon Kabushiki Kaisha, , JP;
Abstract
A drawing apparatus include: a charged particle optical system configured to generate M×N charged particle beams; a limiting device configured to limit number of charged particle beams that the charged particle optical system emits toward a substrate; and a controller configured, if an abnormal beam that does not satisfy a use condition is present among the M×N charged particle beams, to control the limiting device such that only m rows, each of the m rows including n charged particle beams that are successive without intervention of the abnormal beam.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile