Patent · US Active

Capacitor in semiconductor device and method of manufacturing the same

US7755127B2 · kind B2 · utility

0Cited by
2References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 25, 2009
Grant dateJul 13, 2010
Priority date
Expiry dateJun 25, 2029

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10D1/692
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A capacitor may include at least one of a polysilicon layer over a semiconductor substrate; a capacitor dielectric layer over a polysilicon layer; an insulating layer over a capacitor dielectric layer; a metal layer connected to a capacitor dielectric layer through a first region of an insulating layer; an upper metal wiring layer connected to a metal layer over an insulating layer; and/or a lower metal wiring line layer connected to a polysilicon layer through a metal contact that passes through a second region of an insulating layer and a capacitor dielectric layer over the insulating layer.

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