Patent · US Expired

Lanthanum hafnium oxide dielectrics

US7235501B2 · kind B2 · utility

628Cited by
165References
58Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 13, 2004
Grant dateJun 26, 2007
Priority date
Expiry dateMar 22, 2025

Classification

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

Abstract

Dielectric layers containing a lanthanum hafnium oxide layer, where the lanthanum hafnium oxide layer is formed as a structure of one or more monolayers, and methods of fabricating such dielectric layers provide an insulating layer in a variety of structures for use in a wide range of electronic devices.

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