Patent · US Expired

Recording medium

US5409738A · kind A · utility

25Cited by
10References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 23, 1994
Grant dateApr 25, 1995
Priority date
Expiry dateMar 23, 2014

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10N2040/185
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Disclosed are a recording medium comprising a substrate, a thin film for recording formed on at least one side of the substrate, a protective layer formed on the thin film, and a lubricative film formed on the protective layer, the lubricative film comprising an oxidative polymerization product having main molecular chains chemically bonded to the protective film; and a process for producing the recording medium. This recording medium is excellent in lubricity and durability, and the layers formed thereon can be very thin.

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