Patent · US Expired

Method for forming a capacitor structure

US6107136A · kind A · utility

38Cited by
10References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 17, 1998
Grant dateAug 22, 2000
Priority date
Expiry dateAug 17, 2018

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10D1/716

Abstract

A dielectric film (110) is formed overlying a semiconductor device substrate (10). A dielectric post (204) having an outer peripheral boundary having sidewalls is formed over the dielectric film (110). A first conductive film (402) is deposited at least along the sidewalls of the dielectric post (204) to form a lower electrode. A capacitor dielectric film (1801) is deposited on the first conductive film, and a upper electrode (1802) is formed on the capacitor dielectric film (1801).

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