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:
Feb. 05, 2008
Filed:
Apr. 07, 2004
Applicant:
Shinichi Hara, Kanagawa, JP;
Inventor:
Shinichi Hara, Kanagawa, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25B 21/02 (2006.01); F25D 23/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
An exposure apparatus includes an optical system for guiding light to an object, a holding member for holding the object, a first refrigerator located near a holding side of the holding member without contacting the holding side, and a second refrigerator located near a backside of the holding member without contacting the backside.