This paper deals with the research and development of printed flexible capacitors and inductors predominantly designed for the construction of RFID labels. These printed RF passive components are required for the construction of fully printed low cost passive RFID labels. The passive components are directly printed on PET substrate by the screen printing technique. The printing process was optimized in order to achieve a high yield and good electrical parameters at the frequency of 13,56 MHz.Electrical parameters of printed capacitors, such as impedance to frequency characteristic, capacity to temperature characteristic, capacity to bias voltage characteristic were measured in detail. The bending tests were also performed for verifying of printed capacitors flexibility. The performance of capacitors was verified in the real sample of resonant circuit at 13,56 MHz.
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