Method and device for creating a temperature gradient among a plurality of temperature gradient structures
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United States of America Patent
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Apr 14, 2015
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app pub date -
Mar 2, 2011
filing date -
Sep 3, 2009
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Abstract
A method and device for creating a temperature gradient among a plurality of temperature gradient devices. Each device is formed of a first layer of conductive material having a top surface and a bottom surface. The first layer is adjacent to a second layer of conductive material and has electrical resistive heating properties. A power supply is used to provide a current flow through at least the first layer when the power supply is activated. When activated, the resulting current flow causes the second layer to heat and thus create a temperature gradient between the bottom surface of the second layer and the top surface of the first layer. Activation of the power supply is controlled by a control unit so that activation of adjacent temperature gradient devices is avoided for a predetermined time after activation of the first temperature gradient device.
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