Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Mark Carlson0
Patrick Faith0
Date of Patent
September 14, 2010
0Patent Application Number
124141650
Date Filed
March 30, 2009
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A portable consumer device having a substrate layer, a protective layer and a brittle material layer having an intentionally created unique fissure patterns and systems and methods for making and using same are disclosed. The unique fissure pattern of the brittle material layer is detected and used to authenticate the portable consumer device.
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