Patent · US Expired

Optical device

US5007714A · kind A · utility

10Cited by
8References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 16, 1987
Grant dateApr 16, 1991
Priority date
Expiry dateNov 16, 2007

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F1/0147
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An optical device is provided which comprises a liquid layer containing a liquid-absorbable and releasable polymer that absorbs and releases a liquid under thermal action.

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