Patent · US Expired

Memory with improved charge-trapping dielectric layer

US7074677B1 · kind B1 · utility

1Cited by
4References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 29, 2002
Grant dateJul 11, 2006
Priority date
Expiry dateFeb 25, 2023

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S438/954

Abstract

A manufacturing method for a Flash memory includes depositing a first dielectric layer on a semiconductor substrate. A low hydrogen charge-trapping dielectric layer is deposited followed by a second dielectric layer. First and second bitlines are implanted and a wordline layer is deposited.

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