Publication

Properties and stability of thick-film resistors with low processing temperatures - effect of composition and processing parameters

Thomas Maeder, Peter Ryser, Claudio Grimaldi, Sonia Vionnet Menot
2005
Conference Papers

Abstract

In this work, the properties (sheet-resistance, temperature coefficient and piezoresistance / gauge factor) and stability of thick-film resistors with low firing temperatures (525...650°C) are studied. To this end, two low-melting lead borosilicate glass composition have been chosen, together with RuO2 as a conductive filler. The effect on the properties and stability of composition and firing temperature is studied. The stability of the materials is quantified during high-temperature storage (annealing) at 250°C. These results show that reasonable resistive and piezoresistive properties, as well as stability, can be obtained even using lower processing temperatures compatible with deposition onto steel, titanium, aluminium and glass substrates.

Official source

https://infoscience.epfl.ch/entities/publication/db69e20b-780f-4095-9c2f-0367ed9071f9

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Thomas Maeder, Peter Ryser, Claudio Grimaldi, Sonia Vionnet Menot
2005
Conference Papers

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/db69e20b-780f-4095-9c2f-0367ed9071f9

About this result

Related concepts (22)

Temperature coefficient

A temperature coefficient describes the relative change of a physical property that is associated with a given change in temperature. For a property R that changes when the temperature changes by dT, the temperature coefficient α is defined by the following equation: Here α has the dimension of an inverse temperature and can be expressed e.g. in 1/K or K−1. If the temperature coefficient itself does not vary too much with temperature and , a linear approximation will be useful in estimating the value R of a property at a temperature T, given its value R0 at a reference temperature T0: where ΔT is the difference between T and T0.

Glass

Glass is a non-crystalline solid that is often transparent, brittle and chemically inert. It has widespread practical, technological, and decorative use in, for example, window panes, tableware, and optics. Glass is most often formed by rapid cooling (quenching) of the molten form; some glasses such as volcanic glass are naturally occurring. The most familiar, and historically the oldest, types of manufactured glass are "silicate glasses" based on the chemical compound silica (silicon dioxide, or quartz), the primary constituent of sand.

Resistor

A resistor is a passive two-terminal electrical component that implements electrical resistance as a circuit element. In electronic circuits, resistors are used to reduce current flow, adjust signal levels, to divide voltages, bias active elements, and terminate transmission lines, among other uses. High-power resistors that can dissipate many watts of electrical power as heat may be used as part of motor controls, in power distribution systems, or as test loads for generators.

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Properties and stability of thick-film resistors with low processing temperatures - effect of composition and processing parameters

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