Patent · US Expired

Magnetic recording medium

US4632866A · kind A · utility

16Cited by
6References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 26, 1985
Grant dateDec 30, 1986
Priority date
Expiry dateMar 26, 2005

Classification

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

Abstract

In a coating type magnetic recording medium, a base film is coated with a magnetic paint composition comprising a binder and a magnetic powder mixture of magnetic metal particles with magnetic metal carbide particles or magnetic metal particles having a metal carbide coating on the surface thereof. Preferably, the metal is iron and the metal carbide is iron carbide.

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