Patent · US Active

Semiconductor storage device comprising MIS transistor including charge storage layer

US7772618B2 · kind B2 · utility

3Cited by
3References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 28, 2007
Grant dateAug 10, 2010
Priority date
Expiry dateOct 8, 2028

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10D62/405
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A semiconductor memory device includes a memory cell block. The memory cell block includes a plurality of n-type first MIS transistors with current passages connected in series. Each of the first MIS transistors includes a source, a drain, and a charge storage layer formed on a (001)-plane of a semiconductor substrate with a gate insulating film interposed therebetween and is configured to store data. A direction from the source to the drain in each of the first MIS transistors is set parallel to a [001]-direction or [010]-direction of the semiconductor substrate.

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