System and method for counterfeit IC detection
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United States of America Patent
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May 9, 2017
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app pub date -
Sep 17, 2014
filing date -
Sep 17, 2013
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Abstract
A method for counterfeit IC detection includes: providing a computer, an optical and an X-ray imager; optically imaging a package of one or more ICs; pattern matching the package image to identify an IC type; selecting one or more reference images from a reference library; X-ray imaging one or more ICs; performing in any order: comparing an internal lead frame structure of the one or more ICs to images from the reference library to determine a first numerical indicator; and determining a composition of the lead frame of the one or more ICs and to a corresponding composition from the reference library to determine a second numerical indicator; calculating an indication of authenticity based on the first numerical indicator and the second numerical indicator; and accepting or rejecting the one or more ICs based on the indication of authenticity. A system for counterfeit IC detection is also described.
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