Single-use electronic apparatus having a thermal switch
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United States of America Patent
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Feb 18, 2014
Grant Date -
Aug 9, 2012
app pub date -
Feb 8, 2011
filing date -
Feb 8, 2011
priority date (Note) -
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Abstract
An electronic apparatus includes a circuit portion that is configured to control an operation of the electronic apparatus and a heat-activated mechanical switch including, for example, a shape-memory material. The shape-memory material has a property such that the shape-memory material assumes a predetermined shape when the electronic apparatus is heated to a transition temperature. The shape-memory material disables the apparatus by acting on the circuit portion when the shape-memory material assumes the predetermined shape.
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