Patent · US Active

Self-servo writing using staged patterning

US7619846B2 · kind B2 · utility

16Cited by
28References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 18, 2007
Grant dateNov 17, 2009
Priority date
Expiry dateMay 18, 2027

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B5/59644
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

An apparatus and method for servo writing are disclosed. The method includes writing of first servo data to a medium, detecting a velocity integrated position of the first servo data, and writing second servo data in relation to the detected position of the first servo data.

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