Patent · US Expired

Semiconductor device and method of manufacturing the same

US6570217B1 · kind B1 · utility

46Cited by
7References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 22, 1999
Grant dateMay 27, 2003
Priority date
Expiry dateApr 22, 2019

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.