Patent · US Expired

Integrated circuit interconnect and method

US6528426B1 · kind B1 · utility

35Cited by
5References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 15, 1999
Grant dateMar 4, 2003
Priority date
Expiry dateOct 15, 2019

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L21/76886
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

An inlaid interconnect fabrication method using a silicon carbide polish stop layer for protection of mechanically weak dielectric such as porous silicon dioxide (xerogel) during chemical mechanical polishing.

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