An actuator assembly comprising at least one substrate having at least a first circuit path and/or a second circuit path mounted on at least one side of the substrate , at least one actuator made at least partially of a shape memory material, preferably a shape memory alloy, particularly NiTi or NiTiCu, wherein the actuator comprises at least a first end and a second end , and at least one fixing member , wherein the first end comprises a first actuator through hole , wherein the first circuit path comprises a first support surface defining a first circuit path through hole , wherein the substrate comprises a first substrate through hole , wherein the first actuator through hole , the first circuit path through hole and the first substrate through hole overlap one another, wherein the fixing member extends through the first actuator through hole , the first circuit path through hole and the first substrate through hole such that the actuator is permanently fixed to the substrate and the first circuit path at least at the first end by means of the fixing member and/or wherein the second end comprises a second actuator through hole , wherein the second circuit path comprises a second support surface defining a second circuit path through hole , wherein the substrate comprises a second substrate through hole , wherein the second actuator through hole , the second circuit path through hole and the second substrate through hole overlap one another, wherein the fixing member extends through the second actuator through hole , the second circuit path through hole and the second substrate through hole , wherein the actuator is permanently fixed to the substrate and the second circuit path at the second end by means of the fixing member . at least one substrate having at least a first circuit path and/or a second circuit path mounted on at least one side of the substrate , at least one actuator made at least partially of a shape memory material, preferably a shape memory alloy, particularly NiTi or NiTiCu, wherein the actuator comprises at least a first end and a second end , and at least one fixing member , wherein the first end comprises a first actuator through hole , wherein the first circuit path comprises a first support surface defining a first circuit path through hole , wherein the substrate comprises a first substrate through hole , wherein the first actuator through hole , the first circuit path through hole and the first substrate through hole overlap one another, wherein the fixing member extends through the first actuator through hole , the first circuit path through hole and the first substrate through hole such that the actuator is permanently fixed to the substrate and the first circuit path at least at the first end by means of the fixing member and/or wherein the second end comprises a second actuator through hole , wherein the second circuit path comprises a second support surface defining a second circuit path through hole , wherein the substrate comprises a second substrate through hole , wherein the second actuator through hole , the second circuit path through hole and the second substrate through hole overlap one another, wherein the fixing member extends through the second actuator through hole , the second circuit path through hole and the second substrate through hole , wherein the actuator is permanently fixed to the substrate and the second circuit path at the second end by means of the fixing member . <EOS>