Patent · US Expired

Integrated circuit with borderless contacts

US6515351B2 · kind B2 · utility

4Cited by
28References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 28, 2001
Grant dateFeb 4, 2003
Priority date
Expiry dateFeb 28, 2021

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L21/76834
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

An integrated circuit comprising a conductive region formed on a semiconductor substrate, a silicate glass layer formed on the conductive region, and an etch stop layer formed on the silicate glass layer. The integrated circuit also includes a borderless contact that is coupled to the conductive region.

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