Authentication of integrated circuits
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United States of America Patent
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Feb 26, 2013
Grant Date -
Feb 9, 2012
app pub date -
Mar 3, 2011
filing date -
Apr 16, 2002
priority date (Note) -
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Abstract
A group of devices are fabricated based on a common design, each device having a corresponding plurality of measurable characteristics that is unique in the group to that device, each device having a measurement module for measuring the measurable characteristics. Authentication of one of the group of devices is enabled by selective measurement of one or more of the plurality of measurable characteristics of the device.
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