Patent · US Expired

Method for fabricating an optical information medium

US5616450A · kind A · utility

13Cited by
3References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 9, 1995
Grant dateApr 1, 1997
Priority date
Expiry dateMay 9, 2015

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/21
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

An optical information medium providing a protective layer above an optically transparent substrate to protect a recording part, and can record information which is optically readable by means of laser beam. An aqueous printing ink-fixable, hydrophilic resin film is formed on the protective layer. Given letters and patterns can be printed easily and satisfactorily. Such letters and patterns are printable by means of, for example, an ink jet printer.

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