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2. Microcantilevers, microhinges, microbridges                    101
         The torsional stiffness for the case where t<<w is:








         The axial stiffness is:







         3.2.2   Right Circular Microhinge


             The variable width of the  right circular microhinge with the dimensions
         indicated in Fig. 2.25 (a) is:





         The stiffnesses that define bending about the sensitive axis  (the y-axis)  are:
















          where the function A is:







          The torsion-related stiffness is:








          The axial  stiffness  is:
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