Method and apparatus for disabling an integrated circuit (IC) when an attempt is made to bypass security on the IC

The present invention provides an apparatus and method for detecting if a person has attempted to tamper with an integrated circuit (IC). The apparatus is located on the IC and comprises detection circuitry that detects a build up of electrical charge on the IC and disablement circuitry that disable...

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Bibliographische Detailangaben
Hauptverfasser:	BERTHOUD CHARLES W, HOOGHAN KULTARANSINGH N, AZIMI KOUROS, MCLELLAN SCOTT W, CARGO JAMES T
Format:	Patent
Sprache:	eng
Schlagworte:	ALARM SYSTEMS BASIC ELECTRIC ELEMENTS ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS ORDER TELEGRAPHS PHYSICS SEMICONDUCTOR DEVICES SIGNALLING SIGNALLING OR CALLING SYSTEMS TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS
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Beschreibung
Zusammenfassung:	The present invention provides an apparatus and method for detecting if a person has attempted to tamper with an integrated circuit (IC). The apparatus is located on the IC and comprises detection circuitry that detects a build up of electrical charge on the IC and disablement circuitry that disables the IC when the detection circuitry detects a build up of electrical charge on the IC. The method comprises detecting if a build up of electrical charge on the IC has occurred and disabling the IC when a build up of electrical charge on the IC has been detected.