Patent · US Expired

Capacitor having sidewall spacer protecting the dielectric layer

US6344964B1 · kind B1 · utility

34Cited by
24References
13Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 14, 2000
Grant dateFeb 5, 2002
Priority date
Expiry dateJul 14, 2020

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49146
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A capacitor structure includes a bottom plate, a top plate, and a dielectric layer between the bottom and top plates. In addition, at least one insulating sidewall spacer that protects the dielectric layer during processing is formed along the perimeter of the top plate and overlaying a portion of the dielectric layer.

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