Patent · US Expired

Semiconductor device having a nitrogen doped polysilicon layer

US5880498A · kind A · utility

11Cited by
4References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 16, 1997
Grant dateMar 9, 1999
Priority date
Expiry dateJul 16, 2017

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10D64/681

Abstract

A semiconductor device comprising, a semiconductor substrate, a first gate insulator film formed on the semiconductor substrate, a floating gate formed on the first gate insulator film, a second insulator film formed on the floating gate, a control gate formed on the second insulator film, and a silicon film doped with nitrogen and an impurity, and interposed between the floating gate and the second gate insulator film and/or between the second gate insulator film and the control gate.

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