Patent · US Expired

Thin film semiconductor device and method of manufacturing the same

US4942441A · kind A · utility

89Cited by
4References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 27, 1987
Grant dateJul 17, 1990
Priority date
Expiry dateMar 27, 2007

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F2202/104
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Complementary thin fillm transistors (C-TFT) formed on an insulating substrate, comprising a pair of highly resistive n-type silicon islands, a pair of heavily doped n-type regions formed in one of the islands to form source and drain regions of n-channel TFT, a pair of contacts formed on the surface of the other island and establishing a high potential barrier when the underlying region is of n-type and a low potential barrier when the underlying region is inverted to be of p-type. The process for manufacturing complementary TFTs can be simplified significantly.

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