Boron thermistors have been prepared by a new technique involving the chemical vapour deposition of boron on crossed molibdenum wires. The paper describes the conditions of deposition pertaining to the thermal reduction of boron trichloride in a hydrogen atmosphere and sets out the special advantages offered by the crossed-wire arrangement, which not only enables a thermistor structure (including the leads) to be obtained in a single operation, but also affords control over the final value of the resistance of the device, thus making it possible to achieve low tolerances of this parameter.
Preparation and Properties of Pyrolitic Boron Thermistors / G., Cirri; G., Fidanzati; F., Forlani; Prudenziati, Maria. - In: IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS AND CONTROL INSTRUMENTATION. - ISSN 0018-9421. - STAMPA. - IECI 23:(1976), pp. 449-454.
Preparation and Properties of Pyrolitic Boron Thermistors
PRUDENZIATI, Maria
1976
Abstract
Boron thermistors have been prepared by a new technique involving the chemical vapour deposition of boron on crossed molibdenum wires. The paper describes the conditions of deposition pertaining to the thermal reduction of boron trichloride in a hydrogen atmosphere and sets out the special advantages offered by the crossed-wire arrangement, which not only enables a thermistor structure (including the leads) to be obtained in a single operation, but also affords control over the final value of the resistance of the device, thus making it possible to achieve low tolerances of this parameter.
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