Patent · US Expired

Method and data storage device that utilizes blocking material

US6983475B2 · kind B2 · utility

2Cited by
9References
40Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 26, 2002
Grant dateJan 3, 2006
Priority date
Expiry dateDec 6, 2022

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B23/38
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A data storage device includes a surface used for labeling. The surface is covered, at least in part, with a laser imageable coating. Blocking material is placed over a portion of the laser imageable coating. The blocking material blocks laser imaging on the portion of the laser imageable coating over which the blocking material is placed.

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