Patent · US Expired

Semiconductor device with smoothed pad portion

US6873053B2 · kind B2 · utility

4Cited by
3References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 14, 2002
Grant dateMar 29, 2005
Priority date
Expiry dateFeb 14, 2022

Classification

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

Abstract

A semiconductor forming transistors on a semiconductor substrate includes a low concentration source/drain region formed in the semiconductor substrate, a high concentration source/drain region formed in the source/drain region, a gate electrode formed on the substrate through gate oxide film, a P type body region formed under the gate electrode and placed between the source/drain regions and, plug contact portions contacting the source/drain region and arranged in plural, and a source/drain electrode connecting to the source/drain region with contact through the contact portions.

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