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:
Jul. 08, 2003
Filed:
Oct. 10, 2000
Applicant:
Inventor:
Takeshi Shirai, Setagaya-ku, JP;
Assignee:
Nikon Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/28 ; G02B 1/11 ;
U.S. Cl.
CPC ...
G02B 5/28 ; G02B 1/11 ;
Abstract
A multilayer antireflection film comprises a laminate consisting of an alternate stack of at least one low-refractive-index layer and at least one high-refractive-index layer, at least one of outermost layers in the laminate is a low-refractive-index layer, and the multilayer antireflection film has the antireflection effect for s-polarized light of a specific wavelength of not more than 250 nm incident to the low-refractive-index layer.