A gear mechanism, in particular for hand power tools, is disclosed which has a driving gear wheel, seated on a drive shaft in the manner fixed against relative rotation, and a driven gear wheel, meshing with the driving gear wheel and driving a driven shaft. A masking layer covers the first sign layer, wherein the masking layer is adapted to block light from penetrating the masking layer and reaching the first sign layer. An electrochemically more noble metal 2 than Bi, an electrochemically more base metal 2 than Bi and capable of forming a passivation state, or resin 4. The load detecting element and the temperature compensating element are arranged closely each other. At least a first plate of the plurality of plates has a first side configured to be coupled to the support member and a second side configured to be coupled to the support cross-member. The structure includes an integrated passive device chip having a plurality of through wafer vias, mounted to a ground plane.