Patent · US Expired

Anti-ferromagnetically coupled granular-continuous magnetic recording media

US7201977B2 · kind B2 · utility

34Cited by
8References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 23, 2004
Grant dateApr 10, 2007
Priority date
Expiry dateAug 30, 2024

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B5/7379
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

An anti-ferromagnetically coupled, granular-continuous (“AFC-GC”) magnetic recording medium having increased thermal stability, writability, and signal-to-medium noise ratio (“SMNR”), comprising a layer stack including, in sequence from a surface of a non-magnetic substrate:

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