Secure thermally imaged documents susceptible to rapid information destruction by induction
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United States of America Patent
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app pub date -
Sep 17, 2004
filing date -
Jun 21, 2004
priority date (Note) -
Abandoned
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Abstract
A thermally image record material such as a secure document is taught which is susceptible to rapid and bulk destruction of confidential or sensitive information by microwave or high energy absorption. The thermally responsive record material comprises a heat sensitive composition applied onto a substrate having provided thereon in proximity, to the heat sensitive composition as a subcoat or undercoat or back side coating, a layer of particles of an energy receiver material such as a microwave susceptor. Sensitive information imprinted on the record material can be readily destroyed by microwave heating.
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