Electronic component classification
First Claim
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1. An electronic component classification system for classifying a plurality of electronic components, the electronic component classification system comprising:
- an electronic component interface to electrically interface with the plurality of electronic components;
a sensor configured to measure a power consumption signal of each of the plurality of electronic components via the electronic component interface and store information regarding the power consumption signal of each of the plurality of electronic components in memory;
a destructive classification system configured to destructively classify at least one of the plurality of electronic components, the destructive classification system storing information regarding the classification of the at least one of the plurality of electronic components in memory associated with the previously-stored information regarding the power consumption signal of the at least one of the plurality of electronic components; and
a control unit configured to non-destructively classify the remaining plurality of electronic components by comparing the previously-stored information regarding the power consumption signal of the at least one destructively classified electronic component to the previously-stored information regarding the power consumption signal of each of the remaining plurality of electronic components.
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Abstract
A system and method of electronic component authentication or component classification can reduce the vulnerability of systems (e.g., satellites, weapons, critical infrastructure, aerospace, automotive, medical systems) to counterfeits. Intrinsic deterministically random property data can be obtained from a set of authentic electronic components, processed, and clustered to create a classifier that can distinguish whether an unknown electronic component is authentic or counterfeit.
58 Citations
25 Claims
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1. An electronic component classification system for classifying a plurality of electronic components, the electronic component classification system comprising:
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an electronic component interface to electrically interface with the plurality of electronic components; a sensor configured to measure a power consumption signal of each of the plurality of electronic components via the electronic component interface and store information regarding the power consumption signal of each of the plurality of electronic components in memory; a destructive classification system configured to destructively classify at least one of the plurality of electronic components, the destructive classification system storing information regarding the classification of the at least one of the plurality of electronic components in memory associated with the previously-stored information regarding the power consumption signal of the at least one of the plurality of electronic components; and a control unit configured to non-destructively classify the remaining plurality of electronic components by comparing the previously-stored information regarding the power consumption signal of the at least one destructively classified electronic component to the previously-stored information regarding the power consumption signal of each of the remaining plurality of electronic components. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An electronic component classification system for classifying a plurality of electronic components, the electronic component classification system comprising:
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an electronic component interface to electrically interface with the plurality of electronic components; a sensor configured to measure a noise signal of each of the plurality of electronic components via the electronic component interface and store information regarding the noise signal of each of the plurality of electronic components in memory; a destructive classification system configured to destructively classify at least one of the plurality of electronic components, the destructive classification system storing information regarding the classification of the at least one electronic component in memory associated with the previously-stored information regarding the noise signal of the at least one electronic component; and a control unit configured to non-destructively classify the remaining plurality of electronic components by comparing the previously-stored information regarding the noise signal of the at least one destructively classified electronic component to the previously-stored information regarding the noise signal of each of the remaining plurality of electronic components. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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19. A method of electronic component classification comprising:
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receiving a plurality of electronic components purporting to be a purported component class; determining whether the purported component class is an enrolled component class; in response to determining the purported component class is an unenrolled component class, enrolling the purported component class with an enrollment process including; selecting one or more unenrolled electronic components from among the plurality of electronic components purporting to be the unenrolled component class; obtaining, non-destructively with a sensor, intrinsic property information from the selected one or more unenrolled electronic components by measuring a power draw signal of each; classifying the selected one or more unenrolled electronic component via destructive classification; associating in memory the intrinsic property information from the selected one or more unenrolled electronic components with results of the destructive classification; in response to determining the purported component class is enrolled, classifying the plurality of electronic components with a non-destructive classification process including; obtaining, non-destructively with a sensor, intrinsic property information from each of the electronic components purporting to be the enrolled component class by measuring a power draw signal; and classifying each of the electronic components purporting to be the enrolled component class by comparing the intrinsic property information from each of the electronic components purporting to be the enrolled component class with the intrinsic property information from the enrolled component class previously stored in memory. - View Dependent Claims (20, 21, 22, 23, 24, 25)
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Specification