G - Physics – 06 – K
Patent
G - Physics
06
K
340/125, 340/154
G06K 19/00 (2006.01) G06F 21/00 (2006.01)
Patent
CA 1238716
SECURITY DEVICE FOR THE SECURE STORAGE OF SENSITIVE DATA Abstract of the Disclosure A device is disclosed for securely housing and protecting microelectronic circuitry in order to prevent external access to sensitive data stored therein. In a preferred embodiment of the invention, the device includes a ceramic housing which encases electronic circuitry. The ceramic housing is com- prised of a plurality of individual parts selectively connected together, with each of the parts being comprised of a ceramic substrate and a plurality of ceramic layers disposed thereon. The electronic circuitry includes a memory for storing sensitive data therein and a tamper detection circuit. The tamper detection circuit includes a conductive path selec- tively provided through the plurality of ceramic layers of each of the plurality of individual parts and is responsive to any attempt to penetrate the ceramic housing which damages the conductive path for clearing the memory of any sensitive data stored therein. The tamper detection circuit further in- cludes a low temperature sensing circuit which is responsive to a decrease in temperature in the ceramic housing below a preselected reference temperature for causing the tamper detection circuit to also clear the memory of any sensitive data stored therein.
496860
Ncr Corporation
Smart & Biggar
LandOfFree
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