Patent · US Expired

Wall topology storage system

US3940750A · kind A · utility

9Cited by
5References
13Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 26, 1973
Grant dateFeb 24, 1976
Priority date
Expiry dateMar 26, 1993

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11C19/0841
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A wall topology storage system wherein information in the form of data bits is stored as polarity reversals in magnetic domain walls separating adjacent magnetic domains. A plurality of bits is stored in each wall as a plurality of reversals, resulting in greater storage capacity than when using the adjacent domain itself.

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