Radiofrequency identification device for passport and method...

G - Physics – 06 – K

Patent

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G06K 19/077 (2006.01)

Patent

CA 2702286

The invention relates to a method for making the cover of an identity document provided with a radiofrequency identification device including an antenna and a chip (12) connected to the antenna, and including the following steps: making an antenna (12) including connection studs (13, 14) on a substrate (10); forming a cavity (20) between the connection studs (13, 14); depositing an adhesive dielectric material (25, 26) in the vicinity of the antenna connection studs; positioning an integrated circuit module (19) on the substrate so that the contact pads of the module are located opposite the connection studs of the antenna and so that the encapsulation of the module is carried out in the cavity (20); depositing, on the substrate surface including the antenna, at least one layer of a heat-adhesive film (40, 50, 60); depositing on the layer(s) (40 or 50 and 60) of heat-adhesive film a covering layer (70); and laminating the layer assembly.

L'invention concerne un procédé de fabrication dune couverture de livret d'identité muni d'un dispositif d'identification radiofréquence comprenant une antenne et une puce (12) connectée à l'antenne, et comprenant les étapes suivantes : réaliser une antenne (12) comportant des plots de connexion (13 et 14) sur un support (10); effectuer une cavité (20) entre les plots de connexion (13 et 14); déposer de la matière diélectrique adhésive (25, 26) à proximité des plots de connexion de l'antenne; positionner un module de circuit intégré (19) sur le support de manière à ce que les plages de contact du module soient en regard des plots de connexion de l'antenne et que l'encapsulation du module soit dans la cavité (20); déposer sur la face du support comprenant l'antenne au moins une couche de film thermo-adhésif (40, 50, 60); déposer sur la couche (ou les) couche (s) (40 ou 50 et 60) de film thermo-adhésif une couche de couverture (70); laminer l'ensemble des couches.

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