Patent · US Active

Semiconductor device including graded gate stack, related method and design structure

US9257519B2 · kind B2 · utility

1Cited by
13References
8Claims
0Family size

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Inventors

Key dates

Filing dateNov 15, 2013
Grant dateFeb 9, 2016
Priority date
Expiry dateNov 15, 2033

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10D64/693
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A semiconductor device is disclosed. The semiconductor device includes a substrate; and a gate structure disposed directly on the substrate, the gate structure including: a graded region with a varied material concentration profile; and a metal layer disposed on the graded region.

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