METHOD OF PRODUCING TRANSPONDERS AND TRANSPONDER PRODUCED ACCORDING TO SAID METHOD

摘要

METHOD OF PRODUCING A TRANSPONDER (20) COMPRISING THE FOLLOWING STEPS :-DEMARCATION OF DIFFERENT TURNS (8) OF A COIL IN A SHEET (1) INCLUDING A DIELECTRIC SUBSTRATE COVERED BY AT LEAST ONE CONDUCTING LAYER (2) BY STAMPING SAID CONDUCTING LAYER BY MEANS OF A STAMPING DIE (5) HAVING CUTTING SURFACES OF CONTACT (6) WITH THE SUPERFICIAL CONDUCTING LAYER (2),-CONNECTION OF AT LEAST ONE ELECTRONIC COMPONENT (25) WITH THE SAID TURNS (8)-MOUNTING OF AT LEAST ONE PROTECTIVE SHEET (22; 27) COVERING SAID COIL AND SAID ELECTRONIC COMPONENT (25). TO FACILITATE THE STAMPING AND TO OBTAIN INCISIONS, THE CONDUCTING LAYER IS COVERED BEFORE STAMPING WITH A SYNTHETIC FILM. TO PREVENT SHORT CIRCUITS FROM BECOMING ESTABLISHED OVER THE INCISIONS, THE LATTER ARE PREFERABLY FILLED IN WITH ADHESIVE, VARNISH OR LACQUER.