1. Method for creating a serial-numbered quality control (QC) target comprising: generating a unique serial number; creating a data set comprising measured physical property data of QC-target components; and encoding said QC-target with said serial number and said physical property data; wherein the physical property data are incorporated into the QC-target by: hardcoding the data in- or outside the QC-target or; encoding onto a label or; storing in a non-volatile integrated memory device.