TEMPERATURE SENSOR

A temperature sensor (1) including: a temperature sensing element (3) including a temperature sensing portion (4) having an electrical characteristic which varies depending on temperature, and an electrode wire (5) for outputting an electrical signal from the temperature sensing portion (4); and a s...

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Bibliographische Detailangaben
Hauptverfasser:	OYA Seiji, OYA Toshiya
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS CHEMISTRY FERROUS OR NON-FERROUS ALLOYS MEASURING MEASURING QUANTITY OF HEAT MEASURING TEMPERATURE METALLURGY PHYSICS TESTING THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	A temperature sensor (1) including: a temperature sensing element (3) including a temperature sensing portion (4) having an electrical characteristic which varies depending on temperature, and an electrode wire (5) for outputting an electrical signal from the temperature sensing portion (4); and a sheath core wire (signal wire) (15) electrically connected to the electrode wire (5). The electrode wire (5) is formed from a platinum-palladium-rhodium alloy containing Pt, Pd and Rh. The alloy contains a total of 0.1 to 1.2 mol % of at least one alkaline-earth metal selected from the group consisting of Ca, Sr and Ba; 0.1 to 43.0 mol % of Pd; and 1.0 to 43.0 mol % of Rh, and the balance is Pt and incidental impurities. In the platinum-palladium-rhodium alloy, second-phase precipitated grains mainly containing Pt, Pd and the alkaline-earth metal are dispersed in a matrix phase.