Patent · US Expired

Semiconductor device and method of manufacturing the same

US6893928B2 · kind B2 · utility

3Cited by
8References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 18, 2003
Grant dateMay 17, 2005
Priority date
Expiry dateMar 18, 2023

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10D30/60
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

To provide a cavity in the portion of the silicon substrate which lies beneath the channel region of the MOS transistor.

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