Patent · US Expired

Semiconductor device and method for fabricating the same

US6770977B2 · kind B2 · utility

7Cited by
9References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 7, 2002
Grant dateAug 3, 2004
Priority date
Expiry dateFeb 16, 2022

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L2924/0002
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A barrier layer is formed on an insulating or conducting film provided on a semiconductor substrate, and an electrode or an interconnect made from a conducting film is formed on the barrier layer. The barrier layer includes a tantalum film having the &bgr;-crystal structure.

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