Patent · US Active

Method of fabricating semiconductor device

US9023718B2 · kind B2 · utility

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4Claims
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Key dates

Filing dateJan 28, 2014
Grant dateMay 5, 2015
Priority date
Expiry dateJan 28, 2034

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10D64/685
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A method of fabricating a semiconductor device includes: forming an epitaxial layer on a semiconductor substrate; forming a capping layer having a first thickness on the epitaxial layer; and oxidizing the capping layer in an oxygen atmosphere to form a first gate dielectric layer having a second thickness.

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