Patent · US Expired

Silicided undoped polysilicon for capacitor bottom plate

US6620700B2 · kind B2 · utility

3Cited by
10References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 20, 2002
Grant dateSep 16, 2003
Priority date
Expiry dateMar 20, 2022

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L21/32055
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A capacitor (110) having a bottom plate (104) that includes undoped polysilicon (106) which has been silicided (108). An advantage of the invention is providing a capacitor (110) having reduced parasitic capacitance to the substrate (100) and reduced sheet resistance of the bottom plate (104).

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