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:
Mar. 04, 2025
Filed:
Aug. 01, 2019
Applicant:
Schott Ag, Mainz, DE;
Inventor:
Thorsten Damm, Eltville am Rhein, DE;
Assignee:
Schott AG, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/01 (2006.01); G02B 1/11 (2015.01);
U.S. Cl.
CPC ...
G02B 27/0172 (2013.01); G02B 1/11 (2013.01); G02B 2027/0112 (2013.01);
Abstract
An optical layered composite includes: a substrate having a front face, a back face, a thickness dbetween the front face and the back face, and a refractive index n; and a coating applied to the front face, the coating having two regions, the two regions being a region A and a region B. The region A comprises one or more coating layers, each of which satisfies one or both of the criteria: a thickness below 5 nm; or a refractive index of 1.6 or more. The region B comprises one or more coating layers, each of which satisfies one or both of the criteria: a thickness below 5 nm; or a refractive index below 1.6.