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:
Nov. 03, 2009
Filed:
Mar. 28, 2006
Applicant:
Kenzaburo Suzuki, Kanagawa-ken, JP;
Inventor:
Kenzaburo Suzuki, Kanagawa-ken, JP;
Assignee:
Nikon Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/18 (2006.01); G02B 27/44 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention is a diffractive optical elementin which mutually different materials make contact with one another via the same diffraction grating groove. One of the mutually different materials is a first ultraviolet curing resinand the other of the mutually different materials is a second ultraviolet curing resinthat is different from the first ultraviolet curing resin