Patent · US Expired

Semiconductor thin film and semiconductor device

US6087679A · kind A · utility

174Cited by
52References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 22, 1998
Grant dateJul 11, 2000
Priority date
Expiry dateJul 22, 2018

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S438/973
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

After an amorphous semiconductor thin film is crystallized by utilizing a catalyst element, the catalyst element is removed by performing a heat treatment in an atmosphere containing a halogen element. A resulting crystalline semiconductor thin film exhibits {110} orientation. Since individual crystal grains have approximately equal orientation, the crystalline semiconductor thin film has substantially no grain boundaries and has such crystallinity as to be considered a single crystal or considered so substantially.

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