Patent · US Active

Magnetic recording media and magnetic recording system

US8687309B2 · kind B2 · utility

1Cited by
0References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 8, 2011
Grant dateApr 1, 2014
Priority date
Expiry dateFeb 17, 2032

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B5/7257
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

This invention provides a magnetic recording medium excellent in terms of corrosion resistance. The magnetic recording medium comprises a magnetic recording layer, a protective layer and a lubricant layer provided on a nonmagnetic substrate, and the lubricant layer comprises a compound having a heterocyclic ring.

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