Patent · US Expired

Electrically alterable read only memory cell

US4404577A · kind A · utility

24Cited by
4References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 30, 1980
Grant dateSep 13, 1983
Priority date
Expiry dateJun 30, 2000

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10D30/685
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A reduction in cell area and an improvement in tolerance allowed for programming and erase voltages is achieved utilizing a diffused control gate having improved capacitive coupling to the floating gate through a thin oxide grown on single crystal silicon.

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