Patent · US Expired

Magnetic recording medium having a lubricant film consisting of a mixture of two lubricants and which has two peaks of molecular weight

US5162163A · kind A · utility

11Cited by
4References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 11, 1990
Grant dateNov 10, 1992
Priority date
Expiry dateSep 11, 2010

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/24612
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

This invention relates to a magnetic recording medium wherein the improvement comprises a lubricative film comprising a lubricant having a functional group at one end of the molecule and a lubricant having a functional group at both ends of the molecule. According to the present invention, there are provided a magnetic recording medium having excellent sliding tolerance against the head, reduced adhesiveness and dense surface, and a magnetic storage device using such a recording medium.

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