Patent · US Expired

Organic medium for thin-phase holography

US4055423A · kind A · utility

9Cited by
8References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 15, 1976
Grant dateOct 25, 1977
Priority date
Expiry dateApr 15, 1996

Classification

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

Abstract

Permanent thin-phase holograms are recorded wherein the recording medium contains a recording layer comprised of an olefinically unsaturated negative photoresist polymer containing an .alpha.-diketone.

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