| http://www.w3.org/ns/prov#value | - An organic positive temperature coefficient thermistor having PTC performance, wherein conductive particles such as carbon powders, e.g., carbon black or graphite powders, and metal powders are milled with and dispersed in a crystalline polymer, has been well known in the art, as typically disclosed in U.S. Pat. Nos. 3,243,753 and 3,351,882.
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