Patent · US Expired

Beam addressed memory system

US4534016A · kind A · utility

15Cited by
3References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 8, 1983
Grant dateAug 6, 1985
Priority date
Expiry dateJul 8, 2003

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B9/10
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A beam-addressed memory system for digital memory recording and reading which comprises an electron beam generating and focusing subsystem, an electron detecting subsystem, electronic control and interface circuit means, and a storage medium consisting essentially of a cross-linkable polymeric film having an implanted surface layer of heavy metal ions.

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