Patent · US Active

Covalently bound monolayer for a protective carbon overcoat

US9040125B2 · kind B2 · utility

1Cited by
8References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 24, 2013
Grant dateMay 26, 2015
Priority date
Expiry dateJul 24, 2033

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/30
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A magnetic data storage medium may include a substrate, a magnetic recording layer, a protective carbon overcoat, and a monolayer covalently bound to carbon atoms adjacent a surface of the protective carbon overcoat. According to this aspect of the disclosure, the monolayer comprises at least one of hydrogen, fluorine, nitrogen, oxygen, and a fluoro-organic molecule. In some embodiments, a surface of a read and recording head may also include a monolayer covalently bound to carbon atoms of a protective carbon overcoat.

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