Electrical connectors; electronic connectors; connectors for light emission or transmission; electro-optical connectors; devices for connecting electrical circuits; optical connection devices; electric circuits; electronic circuits; integrated optical circuits; integrated circuits; engraved flexible electronic circuits for use in electronics; printed flexible electronic circuits for use in electronics; engraved flexible electronic circuits for medical use; flexible printed electronic circuits for medical use; printed flexible electronic circuits for assembling of electronic chips, namely, semiconductors; engraved flexible electronic circuits for assembling of electronic chips, namely, semiconductors; printed rigid electronic circuits for assembling of electronic chips, namely, semiconductors; engraved rigid electronic circuits for assembling of electronic chips, namely, semiconductors; connectors for integrated circuit cards, namely, chip cards; electronic microcircuits on flexible film for chip card applications; contactless chip cards and components therefor, namely, components that integrate semiconductors and RFID antennae enabling transmission and reading of secured data; application of remote identification by radio frequency; connectors and interconnection systems, namely, components that integrate an RFID antenna; readers for optical identification systems; radio-frequency-identification system readers; electronic label readers; engraved telecommunication antennas; flexible electronic components for biometric identification; connectors and interconnection systems, namely, prelaminated inlays, connecting pads and flexible circuits integrating biometric sensors, enabling a biometric card system; electronic devices for smart card modules; contactless interconnection devices for payments, identification and authentication