Patent · US Expired

Semiconductor device and method of manufacturing the same

US6613620B2 · kind B2 · utility

69Cited by
5References
68Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 30, 2001
Grant dateSep 2, 2003
Priority date
Expiry dateJul 30, 2021

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10D30/6721

Abstract

A semiconductor device with high reliability and operation performance is manufactured without increasing the number of manufacture steps. A gate electrode has a laminate structure. A TFT having a low concentration impurity region that overlaps the gate electrode or a TFT having a low concentration impurity region that does not overlap the gate electrode is chosen for a circuit in accordance with the function of the circuit.

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