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Post thermal treatment methods of forming high dielectric layers over interfacial layers in integrated circuit devices

  • US 20050037630A1
  • Filed: 09/10/2003
  • Published: 02/17/2005
  • Est. Priority Date: 09/10/2002
  • Status: Active Grant
First Claim
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1. A method for treating a high dielectric layer of a semiconductor device, comprising:

  • nitriding a high dielectric layer on a silicon substrate, wherein said high dielectric layer comprises a nano laminate comprising a Group 3 metal oxide layer and a layer selected from the group consisting of a hafnium oxide layer and a zirconium oxide layer and wherein an ozone oxide layer is positioned between said high dielectric layer and said silicon substrate; and

    post treating the high dielectric layer, ozone oxide layer, and silicon substrate.

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