Ptc thermistor and manufacturing method for the same

Details Ptc thermistor and manufacturing method for the same Ptc thermistor and manufacturing method for the same

H - Electricity

01

C

356/107

H01C 7/02 (2006.01) H01C 1/14 (2006.01) H01C 17/00 (2006.01)

Patent

CA 2017007

PTC (positive temperature coefficient) thermistors of a novel configuration and a method for their manufacture are disclosed. The disclosed PTC thermistors have a PTC element sandwiched between two electrodes for which leads are formed as an extension of each of the two electrodes protruding beyond the edge of the PTC element. Several methods for manufacturing this kind of PTC thermistor are described, whereby undue thermal and physical stress to the PTC composition are avoided. Additionally, by means of the described manufacturing methods, PTC thermistors having a variety of shapes and configurations can be fabricated.

Cette invention concerne des thermistances CTP (à coefficient de température positif) de configuration nouvelle et une méthode de fabrication desdites thermistances. Celles-ci ont un élément CTP disposé entre deux électrodes prolongées par un conducteur débordant au-delà de l'élément CTP. L'invention décrit plusieurs méthodes de fabrication de thermistances de ce type, méthodes qui permettent d'éviter les contraintes thermiques et mécaniques excessives. De plus, les méthodes décrites permettent de produire des thermistances de formes et configurations variées.

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