Publication

Properties of thick-film resistors on dielectric and metal substrates for piezoresistive sensors

Thomas Maeder, Peter Ryser, Claudio Grimaldi
2003
Conference Papers

Abstract

In this paper, the resistive and piezoresistive properties of a commercial resistive composition (Du Pont 2041), often used for strain-gauge applications, are examined on several dielectric compositions, which themselves are deposited onto various ceramic and metal substrates. The choice of suitable dielectrics allows to achieve good adhesion and coverage of the metal substrate, while retaining similar properties of the resistors as on alumina. The combinations of dielectrics and substrates also allows to separately determine the contributions on the resistor properties of the thermal expansion of the substrate and those of chemical interactions between resistor and dielectric.

Official source

https://infoscience.epfl.ch/entities/publication/c7355eb7-b4d8-4af7-8d9a-c36ea6653679

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Thomas Maeder, Peter Ryser, Claudio Grimaldi
2003
Conference Papers

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/c7355eb7-b4d8-4af7-8d9a-c36ea6653679

About this result

Related concepts (32)

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.

Dielectric

In electromagnetism, a dielectric (or dielectric medium) is an electrical insulator that can be polarised by an applied electric field. When a dielectric material is placed in an electric field, electric charges do not flow through the material as they do in an electrical conductor, because they have no loosely bound, or free, electrons that may drift through the material, but instead they shift, only slightly, from their average equilibrium positions, causing dielectric polarisation.

Low-κ dielectric

In semiconductor manufacturing, a low-κ is a material with a small relative dielectric constant (κ, kappa) relative to silicon dioxide. Low-κ dielectric material implementation is one of several strategies used to allow continued scaling of microelectronic devices, colloquially referred to as extending Moore's law. In digital circuits, insulating dielectrics separate the conducting parts (wire interconnects and transistors) from one another.

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Properties of thick-film resistors on dielectric and metal substrates for piezoresistive sensors

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