Patent · US Expired

Polymer for data storage, data storage media coated by the same, data storage device and method using data storage media

US6743567B2 · kind B2 · utility

0Cited by
3References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 12, 2001
Grant dateJun 1, 2004
Priority date
Expiry dateNov 5, 2021

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S430/146
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

The present invention relates to a polymer for data storage that is sensitive to a light source, a data storage media coated by the same, and a data storage device and method using the data storage media. In particular, the present invention relates to a polymer for data storage comprising two of the functional group of disperse red 1, which is a photoresponsive organic dye, bonded to a branched chain per every repeat unit, a data storage media coated by the same, a reversible and optical data storage device containing a thin film, and a data storage method using the device.

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