Thermal measuring and testing – Temperature measurement – By electrical or magnetic heat sensor
Patent
1991-12-19
1994-12-13
Cuchlinski, Jr., William A.
Thermal measuring and testing
Temperature measurement
By electrical or magnetic heat sensor
338 22R, 374208, G01K 722
Patent
active
053724275
ABSTRACT:
A low-cost, highly-responsive temperature sensor has a thermistor element surface-mounted in a circuit defined by an electrically-conducting layer of a three-layer circuit substrate to be in close thermal coupling to a metal base layer on an opposite side of the substrate. The base layer is adapted to be disposed in heat-collecting relation to a surface whose temperature is to be monitored. An intermediate layer of the substrate has a binder electrically insulating the thermistor from the metal base layer and has thermally-conducting particles dispersed in the binder to improve thermal coupling of the thermistor to the heat-collecting substrate base layer. The circuit defines terminal pads surface-mounting the thermistor element at one end of the substrate and defines interconnected terminal pads at an opposite end of the substrate which are connected to device lead wires in substantial thermal isolation from the thermistor element.
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McMains Tim H.
Padovani Francois A.
Rowlette Mitchell R.
Baumann Russell E.
Bennett G. Bradley
Cuchlinski Jr. William A.
Donaldson Richard L.
Grossman Rene E.
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