Abstract: Magnetostrictive bilayer sensors have been successfully applied on
the skin for the registration of various physiological quantities, ranging from
the cardiorespiratory activity to the blood pressure changes. The application
region was varied from the neck down to the calf. Thus an optimization of the
sensor parameters becomes an increasingly important issue. Here the
optimisation is considered with respect to curvature, bending momentum, and
temperature of the bilayer. The results yield different requirements for
different skin regions. In order to control the cross-sensitivity of the
sensor, special sensor set-ups are introduced to reduce bending or thermal
sensitivity, which is relevant for various medical areas.
