Patent · US Active

Device and method for the industrial production of volume reflection holograms with substrate-guided reconstruction beams

US10915066B2 · kind B2 · utility

2Cited by

4References

13Claims

0Family size

Assignee

Covestro Deutschland AG · DE

Inventors

Christian Rewitz · Cologne, DE
Rainer Hagen · Leverkusen, DE
Thomas Fäcke · Leverkusen, DE
Günther Walze
Friedrich-Karl Bruder · Krefeld, DE

Key dates

Filing date	Dec 19, 2016
Grant date	Feb 9, 2021
Priority date	—
Expiry date	Oct 24, 2037

Classification

Technology area (CPC G)Physics
CPC primaryG03H2250/35
WIPO fieldOptics
WIPO sectorInstruments

Abstract

The invention relates to an apparatus (200, 300, 400, 600) for producing volume reflection holograms with substrate-guided reconstruction beams, comprising:

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.