Patent · US Active

Method and apparatus for the production of polarization holograms

US8208185B2 · kind B2 · utility

0Cited by

13References

21Claims

0Family size

Assignee

BAYER INNOVATION GMBH · DE

Inventors

Jean-Michel Asfour · Weinheim, DE
Stephan Schneider · Amberg, DE
Dietmar Eberhard · Kenzingen, DE
Wolfgang Riedel · Neuenbürg, DE
Dominik Giel · Freiburg im Breisgau, DE
Stephan Völkening · Recklinghausen, DE
Hardy Jüngermann · Werl, DE

Key dates

Filing date	Jan 31, 2007
Grant date	Jun 26, 2012
Priority date	—
Expiry date	Mar 26, 2029

Classification

Technology area (CPC G)Physics
CPC primaryG03H2260/51
WIPO fieldOptics
WIPO sectorInstruments

Abstract

The present invention relates to a method for the production of polarization holograms, an apparatus for the production of polarization holograms and the use of the polarization holograms according to the invention as data stores, security features or diffractive optical elements for performing conventional optical functions.

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