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:
Jan. 03, 2006
Filed:
Feb. 13, 2004
Applicants:
Yoshiki Kino, Utsunomiya, JP;
Yoshinori Miwa, Utsunomiya, JP;
Masanori Honda, Utsunomiya, JP;
Inventors:
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 7/02 (2006.01); G02B 7/182 (2006.01); G03B 21/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed is a mirror holding system by which aberration resulting from deformation or positional deviation of an optical member, causing degradation of imaging performance, can be reduced whereby a desired optical performance is assured. Also disclosed is an exposure apparatus and a device manufacturing method based on such mirror holding system. The holding system includes a supporting member for supporting the optical element at a plurality of supports which are movable along an approximately radial direction about a predetermined point.