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:
Jun. 30, 2026
Filed:
Dec. 13, 2022
Covestro Llc, Pittsburgh, PA (US);
Covestro Deutschland Ag, Leverkusen, DE;
Covestro LLC, Pitsburgh, PA (US);
Covestro Deutschland AG, Leverkusen, DE;
Abstract
The disclose relates to a method for producing volume reflection holograms with substrate-guided reconstruction beams and/or substrate-guided diffracted beams in a single-beam set-up, including the steps of (i) providing at least one laser beam source producing a recording beam having a first wave vector (ii) providing a holographic recording medium on a transparent substrate, the substrate having a first flat side facing the at least one laser beam source and a second flat side facing away from the at least one laser beam source, where the holographic recording medium is arranged on the first flat side or on the second flat side, (iii) providing a reflector arrangement arranged on the second flat side of the substrate.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile