Patent · US Expired

Subseedlayers for magnetic recording media

US6740397B1 · kind B1 · utility

10Cited by
21References
29Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 3, 2001
Grant dateMay 25, 2004
Priority date
Expiry dateJun 8, 2021

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/265
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A magnetic recording medium on glass or Al substrates with a film structure of subseedlayer/seedlayer/underlayer/magnetic layer/carbon overcoat, in this order, in which the subseedlayer comprises an element of Group VIb and the seedlayer comprises a material having a B2 structure.

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