Tamper-evident form

作者: Joel Bryan Van Boom , Chuck Casagrande , Bernard Willem “Wim” Scheggetman

DOI:

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摘要: Confidential information is printed on an upper transparent laminate. A scrambling pattern associated with a lower The surface of the laminate and are complementary in shape such that appears transparent, but alters to appear translucent when separated from This provides tamper-evident mechanism for indicating separation laminates.

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