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. 27, 2008
Filed:
Feb. 10, 2006
Applicants:
Hideo Mizutani, Yokohama, JP;
Nobutaka Magome, Kumagaya, JP;
Inventors:
Hideo Mizutani, Yokohama, JP;
Nobutaka Magome, Kumagaya, JP;
Assignee:
Nikon Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 27/42 (2006.01); G03B 27/32 (2006.01);
U.S. Cl.
CPC ...
Abstract
A liquid immersion type exposure apparatus includes a projection optical system for projecting a pattern of a mask onto a substrate, a liquid film forming system for forming a liquid film in a predetermined region between the projection optical system and the substrate, and a sensor for detecting disappearance of at least a portion of the liquid film in the predetermined region.