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:
Aug. 06, 2013
Filed:
Sep. 19, 2008
Applicants:
Markus Seesselberg, Aalen, DE;
Hans-joachim Weippert, Aalen, DE;
Inventors:
Markus Seesselberg, Aalen, DE;
Hans-Joachim Weippert, Aalen, DE;
Assignee:
Carl Zeiss AG, Oberkochen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
A diffractive optical element is provided, which includes a first layer having a material of a refractive index n(λ), a second layer, adjacent to the first layer, having a material of a refractive index n(λ) and a diffraction structure formed at the interface between the first layer and the second layer. The material of at least one of the two layers is obtained by curing an optical adhesive.