Capacitance-based microchip exploitation detection

Details Capacitance-based microchip exploitation detection Capacitance-based microchip exploitation detection

2011-05-31

2011-05-31

Bugg, George A (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specific condition

C713S194000, C361S730000

Reexamination Certificate

active

07952478

ABSTRACT:
An apparatus and method detect microchip tampering by including a capacitance circuit that comprises a protective cover. Dielectric material may be sandwiched between the cover and a backside metal layer, which may be proximate a protected surface of the microchip. Changes in the capacitance of the above circuit caused by alteration of the cover or other component of the capacitance circuit may be sensed and prompt defensive action.

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