Patent · US Expired

Conductor-driven magnetic bubble memory with an expander-detector arrangement

US4142247A · kind A · utility

2Cited by
2References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 6, 1977
Grant dateFeb 27, 1979
Priority date
Expiry dateDec 6, 1997

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11C19/0866
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A magnetic bubble memory with a single electrically-conducting layer for defining a bubble propagate arrangement is adapted to provide a compatible bubble expander detector by a sequence of increasingly larger apertures in the conducting layer.

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