Crack embossing using diamond technology

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United States of America Patent

PATENT NO 8434675
APP PUB NO 20110284626A1
SERIAL NO

13075270

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Abstract

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A portable consumer device having a substrate layer, a protective layer and a diamond-based brittle material layer having an intentionally created unique fissure or cracked patterns or crystal zone boundaries and systems and methods for making and using same are disclosed. The diamond-based brittle material layer includes a diamond material. The unique random fissure or cracked pattern and crystal zone boundaries, or the electromagnetic signature based thereon, of the brittle material layer are detected and used to authenticate the portable consumer device.

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Patent Owner(s)

  • VISA INTERNATIONAL SERVICE ASSOCIATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Faith, Patrick Pleasanton, US 198 14365

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