Patent · US Expired

Method of producing magnetic recording medium

US5449527A · kind A · utility

2Cited by
1References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 26, 1994
Grant dateSep 12, 1995
Priority date
Expiry dateJan 26, 2014

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B5/842
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

Disclosed is a method of producing a magnetic recording medium which comprises a magnetic layer, comprising a step of kneading a magnetic coating solution containing a ferromagnetic powder and a binder for the magnetic layer under a load of substantial electric power consumption of 0.05 to 0.5 KW per Kg of the ferromagnetic powder in a kneader chamber having an atmospheric water content of not more than 1 g/m.sup.3.

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