Patent · US Active

Thin-film transistor and zinc oxide-based sputtering target for the same

US9035297B2 · kind B2 · utility

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Key dates

Filing dateJun 28, 2013
Grant dateMay 19, 2015
Priority date
Expiry dateJun 28, 2033

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC23C14/0036
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A thin-film transistor includes a metal electrode and a zinc oxide-based barrier film that blocks a material from diffusing out of the metal electrode. The zinc oxide-based barrier film is made of zinc oxide doped with indium oxide, the content of the indium oxide ranging, by weight, 1 to 50 percent of the zinc oxide-based barrier film. A zinc oxide-based sputtering target for deposition of a barrier film of a thin-film transistor is made of zinc oxide doped with indium oxide, the content of the indium oxide ranging, by weight, 1 to 50 percent of the zinc oxide-based sputtering target.

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