Patent · US Expired

Flash memory cells having a modulation doped heterojunction structure

US6207978A · kind A · utility

13Cited by
2References
12Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 1, 2000
Grant dateMar 27, 2001
Priority date
Expiry dateMar 1, 2020

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10D30/751

Abstract

A flash memory device and a method to manufacture the flash memory device. The flash memory device includes a modulation-doped heterostructure formed in a semiconductor substrate, a layer of tunnel oxide, a floating gate, a layer of dielectric, a control gate and source and drain regions formed in the substrate.

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