Patent · US Active

Methods for manufacturing high dielectric constant film

US7871942B2 · kind B2 · utility

6Cited by
8References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 27, 2008
Grant dateJan 18, 2011
Priority date
Expiry dateMar 27, 2028

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L21/0228
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

Processes for making a high K (dielectric constant) film using an ultra-high purity hafnium containing organometallic compound are disclosed. Also described are devices incorporating high K films made with high purity hafnium containing organometallic compounds.

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