Patent · US Expired

Data storage device

US6643248B2 · kind B2 · utility

5Cited by
2References
35Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 16, 2001
Grant dateNov 4, 2003
Priority date
Expiry dateApr 16, 2022

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B9/1418
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

The present disclosure relates to a data storage device, comprising a plurality of electron emitters adapted to emit electron beams, the electron emitters each having a planar emission surface, and a storage medium in proximity to the electron emitter, the storage medium having a plurality of storage areas that are capable of at least two distinct states that represent data, the state of the storage areas being changeable in response to bombardment by electron beams emitted by the electron emitters.

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