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:
Dec. 13, 2011
Filed:
Dec. 06, 2006
Haruna Kawashima, Tochiqiken, JP;
Haruna Kawashima, Tochiqiken, JP;
Canon Kabushiki Kaisha, , JP;
Abstract
An exposure apparatus for exposing a pattern of a reticle onto a substrate by scanning the reticle and the substrate via a projection optical system includes an illumination optical system for illuminating the reticle via a slit that has a longitudinal direction corresponding to a direction orthogonal to a scanning direction. The illumination optical system includes a corrector for correcting a slit width at each position in the longitudinal direction of the slit. The corrector is arranged at a position conjugate with the reticle, and includes a first optical filter movable in a direction corresponding to the longitudinal direction of the slit.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile