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:
May. 16, 2006
Filed:
Sep. 20, 2005
Applicant:
Eiichi Murakami, Utsunomiya, JP;
Inventor:
Eiichi Murakami, Utsunomiya, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 27/52 (2006.01); G03B 27/42 (2006.01);
U.S. Cl.
CPC ...
Abstract
An exposure apparatus for printing, by exposure, a pattern of an original onto a substrate includes a housing tightly filled with a predetermined ambience and for accommodating therein at least a portion of an exposure light optical axis, and a detection system having an optical system, wherein a portion of a light path of the detection system is disposed in a first space enclosed by the housing, and wherein at least another portion of the detection system including an electrical element thereof is disposed in a second space outside the housing.