Patent · US Expired

Optical elements containing nanoscaled particles and having an embossed surface and process for their preparation

US5716679A · kind A · utility

95Cited by

8References

8Claims

0Family size

Assignee

Institut fuer Neue Materialien gemeinnuetzige GmbH · DE

Inventors

Herbert Krug · Ludwigshafen, DE
Rudiger Nass · Zellingen, DE
Helmut Schmidt · Riegelsberg, DE
Lubomir Spanhel · Madison, US

Key dates

Filing date	Aug 3, 1994
Grant date	Feb 10, 1998
Priority date	—
Expiry date	Aug 3, 2014

Classification

Technology area (CPC G)Physics
CPC primaryG11B7/256
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

Optical elements comprising a substrate and a transparent composite material layer having an embossed surface, the composite material comprising a polymer matrix having incorporated therein inorganic components in the form of nanoscaled particles, and methods of preparation thereof which comprise mixing a polymer precursor with a sol of nanosealed particles in an organic solvent and a polymerizable initiator, applying the mixture to a substrate to form a coating, and embossing the coating while simultaneously curing it.

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