Patent · US Expired

Magnetic recording medium

US4552798A · kind A · utility

3Cited by
12References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 7, 1984
Grant dateNov 12, 1985
Priority date
Expiry dateFeb 7, 2004

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/27
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A magnetic recording medium comprised of a support base having a magnetic recording layer positioned thereon is disclosed. The recording medium has positioned an aliphatic acid ester compound on an edge portion of the surface of the recording layer. By utilizing the aliphatic acid ester the recording medium has less audio output variation and the tracking control of the medium is improved. Further, the medium has good running characteristics and excellent sensitivity.

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