Thermal substrate with high-resistance magnification and positive temperature coefficient ink
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United States of America Patent
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Jan 2, 2024
Grant Date -
Aug 25, 2022
app pub date -
May 13, 2022
filing date -
Feb 24, 2016
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Abstract
An article comprising a heater that comprises a high-resistance magnification (HRM) PTC ink deposited on a flexible substrate to form one or more resistors. The HRM PTC ink has a resistance magnification of at least 20 in a temperature range of at least 20 degrees Celsius above a switching temperature of the ink, the resistance magnification being defined as a ratio between a resistance of the double-resin ink at a temperature ‘T’ and a resistance of the double-resin ink at 25 degrees Celsius.
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