Patent · US Expired

Semiconductor memory device

US4451904A · kind A · utility

27Cited by
3References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 26, 1981
Grant dateMay 29, 1984
Priority date
Expiry dateJan 26, 2001

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L2924/0002
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A semiconductor memory device includes a number of conductive layers for bit and selection lines alternately juxtaposed on the surface of a semiconductor substrate beneath a field insulating layer, with a number of MOS type memory cells arranged between the conductive layers for the bit and selection lines.

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