Patent · US Expired

Dram with polysi bit lines and added junction capacitance

US4551741A · kind A · utility

4Cited by
9References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 29, 1983
Grant dateNov 5, 1985
Priority date
Expiry dateDec 29, 2003

Classification

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

Abstract

A semiconductor memory device having two layers of polycrystal silicon and having an insulated gate field effect transistor as a fundamental element including by using a first layer of polycrystalline silicon serving as an electrode of a capacitor and a bit line and a second layer of polycrystalline silicon serving as a gate electrode of the transistor.

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