Patent · US Expired

Holographic recording media for infrared light

US4431259A · kind A · utility

2Cited by

4References

5Claims

0Family size

Assignee

International Business Machines Corporation · US

Inventors

Gary C. Bjorklund · Los Altos, US
Christoph Brauchle · Hersbruck, DE
Donald M. Burland · Los Gatos, US
Heinrich E. Hunziker · Saratoga, US
Urs Wild · Zürich, CH

Key dates

Filing date	Oct 28, 1981
Grant date	Feb 14, 1984
Priority date	—
Expiry date	Oct 28, 2001

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S359/90
WIPO fieldOptics
WIPO sectorInstruments

Abstract

A gated self-developing, non-bleachable holographic material is disclosed which is useful in the infrared region. The holographic material comprises a polymeric matrix with an .alpha.-diketone compound uniformly dispersed therein.

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