System and method for destructive purge of memory device
AssigneeSimpleTech, Inc.
InventorsNader Salessi, Hosein Gazeri
Life of this patent
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Abstract
A memory purge system destructively purges the memory circuits of a memory device. The system includes a power supply for supplying a selectable voltage and current. Switching circuits electrically connect the power supply to the memory circuits of the memory device. A controller selects a voltage and current supplied by the power supply and activates the switching circuit to apply the voltage and current to the memory circuits. The controller determines whether the memory circuits have been destroyed by monitoring current flow into the memory circuits.
Claims14
A memory purge system for destructively purging a memory device, the memory purge system comprising:
- a power supply for supplying a selectable voltage and current;
- a switching circuit for electrically connecting said power supply to a memory circuit of the memory device;
- a controller for selecting a first voltage and current supplied by said power supply and activating said switching circuit to apply the selected first voltage and current to the memory circuit in response to a purge command;
- and
- a current detector for detecting current between said power supply and the memory circuit, wherein, if the detected current drops below a threshold, said controller deactivates said switching circuit to stop the application of the selected voltage and current to the memory circuit.
A method for destructively purging a memory device, the method comprising the steps of:
- selecting a voltage and current supplied by a power supply;
- activating a switching circuit connecting the power supply to a memory circuit of the memory device to apply the selected voltage and current to the memory circuit;
- detecting current between the power supply and the memory circuit;
- and
- deactivating the switching circuit if the detected current drops below a threshold,
- wherein the switching circuit is activated in response to a purge command.
Dependencies are inferred from the claim text.