Patent · US Expired

Zinc oxide semiconductor material

US6936188B1 · kind B1 · utility

8Cited by
3References
8Claims
0Family size

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Key dates

Filing dateMar 27, 2000
Grant dateAug 30, 2005
Priority date
Expiry dateMar 27, 2020

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E10/542
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A zinc oxide semiconductor material comprising at least zinc and oxygen as constituent elements, which can be deterred with respect to the deterioration of doping characteristic, luminous characteristic and the like, compared with a conventional c-axial oriented one by orienting the crystal orientation plane to a-axis of the wurtzite structure.

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