Method of analyzing tamper evident tape residue
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United States of America Patent
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Apr 5, 2016
Grant Date -
Apr 10, 2014
app pub date -
Aug 13, 2013
filing date -
Oct 5, 2012
priority date (Note) -
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Abstract
Methods and systems for measuring the effectiveness of pigment transfer in a tamper evident tape. A test area can be established on a substrate upon which a residual image is formed by pulling a tamper-evident tape. The test area is divided into a predefined number of units. Then, the number of units in which a residual is left behind on a surface of the substrate can be counted and compared to the number of units within an area of un-applied tamper-evident tape of identical application design such that a percentage of units remaining on the substrate after removal of the tamper-evident tape with the residual comprises a criterion for evaluating a relative effectiveness of the tamper-evident tape.
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