Obermaier, JohannesJohannesObermaierImmler, VincentVincentImmlerHesselbarth, RobertRobertHesselbarth2022-03-082022-03-082019https://publica.fraunhofer.de/handle/publica/312113A PUF-film comprises a circuit structure having a plurality of circuit elements, wherein the circuit structure is evaluable with respect to a plurality of electric capacitance values being arranged between the plurality of circuit elements, and is evaluable with respect to a plurality of electric resistance values of the plurality of circuit components.en003005006518patent3550475