Patent · US Active

Non-volatile memory cells, memory arrays including the same and methods of operating cells and arrays

US7642585B2 · kind B2 · utility

31Cited by
32References
50Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 3, 2006
Grant dateJan 5, 2010
Priority date
Expiry dateAug 4, 2026

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10D30/69
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

Memory cells comprising: a semiconductor substrate having a source region and a drain region disposed below a surface of the substrate and separated by a channel region; a tunnel dielectric structure disposed above the channel region, the tunnel dielectric structure comprising at least one layer having a small hole-tunneling-barrier height; a charge storage layer disposed above the tunnel dielectric structure; an insulating layer disposed above the charge storage layer; and a gate electrode disposed above the insulating layer are described along with arrays thereof and methods of operation.

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