The term instrumentation can be referred to a wide range of products and microtechnologies can have a profound impact. The pursued goals are broad due to the variety in products; large-scale miniaturization, user’s comfort increase, reduction of energy & raw material consumption & product’s final cost, autonomous and remote control, easy maintenance, improvement of environment quality, etc.

Sensors take a large relevancy in this field since they make feasible the detection, determination or measurement of physical and chemical parameters in sectors like ambient conditions control, industrial automation, house control and domotics, agro-industrial production control or metrology (see Fig. 2.16). Today, the market for sensors is segmented into pressure, temperature, acceleration, flow and force where pressure and temperature sensors cover practically two thirds of the market [14].

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