Patent · US Expired

Substrate coupled floating gate memory cell

US4274012A · kind A · utility

69Cited by
3References
26Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 24, 1979
Grant dateJun 16, 1981
Priority date
Expiry dateJan 24, 1999

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S257/903
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

Nonvolatile semiconductor electrically-alterable, floating-gate memory methods and devices which utilize substrate coupling for self-regulated, tunnel-current-shaping to provide improved device characteristics. The substrate coupling also facilitates the cell interconnection to other circuit elements.

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