Patent · US Active

Phase-change memory security device

US7982488B2 · kind B2 · utility

7Cited by

2References

20Claims

0Family size

Assignee

Infineon Technologies AG · DE

Inventors

Thomas Nirschl · Putzbrunn, DE
Berndt Gammel · Borgo San Lazzaro, DE
Stefan Rueping · Lengdorf, DE
Ronald Kakoschke · Birkenfeld, DE
Gerd Dirscherl · Munich, DE
Philip Schlazer · Munich, DE

Key dates

Filing date	May 29, 2009
Grant date	Jul 19, 2011
Priority date	—
Expiry date	Jun 24, 2029

Classification

Technology area (CPC H)Electricity
CPC primaryH10N70/826
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

A semiconductor chip having a subcircuit formed in a substrate; and a phase-change memory cell located on the subcircuit, and configured to directly detect an attack on the subcircuit, or to form a shield to prevent physical access to the subcircuit.

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