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US 6,607,679 B2Granted
Organic PTC thermistor
AssigneeTDK Corporation
InventorsTokuhiko Handa, Yukie Yoshinari
Life of this patent
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Abstract
In an organic PTC thermistor comprising a matrix of at least two high-molecular weight compounds, a low-molecular weight organic compound, and conductive particles having spiky protuberances, a thermoplastic elastomer is contained in the matrix whereby the thermistor is improved in reliability and performance stability.
Claims15
An organic positive temperature coefficient thermistor comprising
- a matrix including at least two polymers, where at least one of the at least two polymers is a thermoplastic elastomer;
- a low-molecular weight organic compound selected from the group consisting a wax, a fat and an oil;
- and
- conductive particles having spiky protuberances.
1 more element
Dependencies are inferred from the claim text.