Patent · US Expired

Semiconductor device and method for fabricating the same

US6730574B2 · kind B2 · utility

3Cited by
10References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 12, 2001
Grant dateMay 4, 2004
Priority date
Expiry dateApr 1, 2022

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10B12/05

Abstract

The semiconductor device includes a MOSFET including a pair of impurity diffused regions formed on both sides of a gate formed on a semiconductor substrate; an insulation film covering a top of the MOSFET and having a through-hole opened on one of the impurity diffused regions formed in; and a capacitor formed at at least a part of an inside of the through-hole, the through-hole having a larger diameter inside than at a surface thereof or having a larger diameter at an intermediate part between the surface thereof and a bottom thereof than the surface and the bottom thereof.

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