Patent · US Expired

Contact printing of magnetic media with mechanically reinforced and/or gas venting stamper

US7218466B1 · kind B1 · utility

6Cited by
3References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 4, 2003
Grant dateMay 15, 2007
Priority date
Expiry dateMar 26, 2025

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B5/82
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

An apparatus for performing contact printing of a magnetic transition pattern in a magnetic recording medium, comprising:

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