Patent · US Expired

Magnetic bubble memory device

US4592016A · kind A · utility

0Cited by
1References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 2, 1983
Grant dateMay 27, 1986
Priority date
Expiry dateDec 2, 2003

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11C19/0875
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A magnetic bubble memory device comprises a plurality of minor loops for storage of data information and a map loop for storage of defective-loop information, etc. The number of bits of the map loop is selected to be N times as large as the number of bits of each minor loop, N being an integer not smaller than 2.

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