Patent · US Expired

Non-volatile memory cell and manufacturing method thereof

US7388250B2 · kind B2 · utility

3Cited by
4References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 13, 2004
Grant dateJun 17, 2008
Priority date
Expiry dateMar 30, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10D30/6891

Abstract

A non-volatile memory cell includes a substrate, a first isolation structure positioned in a first region on the substrate, a second isolation structure surrounding a second region on the substrate, a control gate positioned on the first isolation structure in the first region, a first insulating layer positioned on the control gate, a second insulating layer positioned on the portion of the substrate in the second region, and a floating gate positioned on the first insulating layer and the second insulating layer.

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