Patent · US Expired

Method of manufacturing a semiconductor device

US7402467B1 · kind B1 · utility

75Cited by
24References
32Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 24, 2000
Grant dateJul 22, 2008
Priority date
Expiry dateMar 24, 2020

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L2924/0002
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A reduction in contaminating impurities in a TFT, and a TFT which is reliable, is obtained in a semiconductor device which uses the TFT. By removing contaminating impurities residing in a film interface of the TFT using a solution containing fluorine, a reliable TFT can be obtained.

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