Patent · US Expired

Thin film semiconductor device

US6969871B2 · kind B2 · utility

3Cited by
0References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 16, 2003
Grant dateNov 29, 2005
Priority date
Expiry dateAug 18, 2023

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10D86/0251
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

In a film semiconductor device according to the present invention, a continuous oscillating light beam from a solid laser or the like is modulated on time axis and spatially, thereby realizing crystal growth that is nearly optimum for a crystal structure and growth speed of crystals in a Si thin film. Crystal grains with a large diameter, flatness with no projections at their grain boundaries, and controlled surface orientations are thereby formed. By forming channels with these crystal grains, high mobility semiconductor devices and an image display device using these semiconductor devices are realized.

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