Patent · US Expired

Disk mastering based on near-field optical systems

US6724694B2 · kind B2 · utility

10Cited by
8References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 14, 2002
Grant dateApr 20, 2004
Priority date
Expiry dateJun 14, 2022

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B2007/13727
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

Structures of storage media for optical storage systems, especially for systems in the near-field configuration to couple radiation between the optical head and the media at least in part by evanescent fields.

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