Patent · US Expired

Apparatus for the manufacture of the magnetic coatings of magnetic disks

US4073262A · kind A · utility

6Cited by

4References

5Claims

0Family size

Assignee

BASF SE

Inventors

Dieter Scheffel
Volker Richter · Neutraubling, DE

Key dates

Filing date	Nov 9, 1976
Grant date	Feb 14, 1978
Priority date	—
Expiry date	Nov 9, 1996

Classification

Technology area (CPC G)Physics
CPC primaryG11B17/022
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

Apparatus for the manufacture of the magnetic coatings of magnetic disks consisting essentially of a clamp/drive unit for the base plate to be coated, a unit for applying the magnetic dispersion, and flat covering elements which rotate during centrifuging of the coated base plate in the same direction as said base plate and at a short distance from the surfaces thereof.

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