Patent · US Active

Gallium nitride-based III-V group compound semiconductor device and method of manufacturing the same

US7859109B2 · kind B2 · utility

7Cited by
1References
13Claims
0Family size

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Key dates

Filing dateJan 14, 2005
Grant dateDec 28, 2010
Priority date
Expiry dateOct 22, 2026

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10H20/825
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

The present invention relates to a gallium nitride-based compound semiconductor device and a method of manufacturing the same. According to the present invention, there is provided a gallium nitride-based III-V group compound semiconductor device comprising a gallium nitride-based semiconductor layer and an ohmic electrode layer formed on the gallium nitride-based semiconductor layer. The ohmic electrode layer comprises a contact metal layer, a reflective metal layer, and a diffusion barrier layer.

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