Patent · US Expired

Radial tilt reduced media

US7300690B2 · kind B2 · utility

0Cited by
25References
83Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 18, 2001
Grant dateNov 27, 2007
Priority date
Expiry dateSep 13, 2023

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/26
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A storage media having a radial deviation of less than or equal to about 1.15 degrees at a radius of 55 mm is disclosed. In one embodiment, the storage media comprises: a plastic substrate, an optical layer and a data storage layer disposed therebetween. A reflective layer is disposed between the data storage layer and the substrate.

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