Patent · US Expired

Split gate type flash memory

US6429472B2 · kind B2 · utility

5Cited by
1References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 9, 2001
Grant dateAug 6, 2002
Priority date
Expiry dateMar 9, 2021

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10D64/035
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A split gate type flash memory having an active region that improves an endurance characteristic along with program/erase efficiency, wherein the split gate type flash memory provides for improvement in the endurance characteristic and program/erase efficiency by making the width of an active region in a portion in which a source is overlapped by a floating gate as large as possible.

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