Electrical resistor material, resistor made therefrom and method of making the same

An electrical resistor of resistivity of less than about 600 ohms per square and with a temperature coefficient of resistance within the range of +/-200 ppm/ DEG C. comprises an insulating substrate, electrically conductive terminations on a surface of the substrate, and a layer of resistor material...

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Bibliographische Detailangaben
Hauptverfasser:	LORENZ, GERALD, KUMAR, SHAILENDRA, CABATO, NELLIE L
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRICITY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS RESISTORS TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Beschreibung
Zusammenfassung:	An electrical resistor of resistivity of less than about 600 ohms per square and with a temperature coefficient of resistance within the range of +/-200 ppm/ DEG C. comprises an insulating substrate, electrically conductive terminations on a surface of the substrate, and a layer of resistor material on the surface of the substrate and in contact with the terminations. The resistor material comprises from about 25 to about 35% by weight glass and from about 50% to about 75% by weight conductive particles. Preferably the conductive particles consisting essential of tin oxide and at least about 0.2% by weight of ruthenium containing material, expressed as RuO2. The mass ratio of ruthenium containing material (as RuO2) to tin oxide is less than 7:93.