Patent · US Expired

Semiconductor device having capacitor and method of manufacturing the same

US6998663B2 · kind B2 · utility

4Cited by
5References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 4, 2004
Grant dateFeb 14, 2006
Priority date
Expiry dateMar 12, 2024

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10D1/68

Abstract

A semiconductor device, comprising a first wiring formed in a first insulating film, a second insulating film formed on the first insulating film, a first electrode film selectively formed on the second insulating film, a third insulating film formed on the first electrode film, and having an end portion and a central portion, wherein the end portion has a thickness thinner than the central portion, a second electrode film formed on the central portion of the third insulating film such that the second electrode film faces the first electrode film.

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