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:
Mar. 11, 1997
Filed:
Mar. 15, 1995
Applicant:
Inventor:
Eiji Osanai, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ; G03B / ;
U.S. Cl.
CPC ...
355 72 ; 355 53 ;
Abstract
An exposure apparatus includes an exposure optical system, a stage on which an article to be exposed is to be placed, a moving mechanism for moving the stage relative to the exposure optical system, a first base for supporting the moving mechanism, a main base for supporting the exposure optical system, on which main base the first base is mounted, a first supporting portion being interposed between the first base and the main base, a second base for supporting the main base, a vibration removing device being interposed between the main base and the second base, and a second supporting portion being interposed between the first base and the second base.