G - Physics – 06 – K
Patent
G - Physics
06
K
G06K 19/077 (2006.01) H05K 3/20 (2006.01) H05K 1/03 (2006.01) H05K 1/16 (2006.01) H05K 1/18 (2006.01)
Patent
CA 2413181
The invention relates to a method for producing a contactless chip card (or ticket) comprising the following steps: an antenna (12) is produced by screening polymerisable conductive ink spirals onto a sheet of transfer paper and said sheet of transfer paper is subsequently thermally treated so as to bake and polymerise the conductive ink; a chip (14), which is fitted with bond pads, is connected to the antenna (12); a lamination step is carried out whereby the sheet of transfer paper is joined by means of hot pressing to a layer of plastic material (16) forming the antenna support, such that the screened antenna and the chip are embedded in the layer of plastic material; the sheet of transfer paper is lifted off; and the card body is laminated on the antenna support by soldering at least one layer of plastic material (18, 20) by means of hot pressing to each side of the support.
L'invention concerne un procédé de fabrication d'une carte (ou ticket) à puce sans contact comportant les étapes suivantes: fabrication d'une antenne (12) consistant à sérigraphier des spires d'encre conductrice polymérisable sur une feuille de papier transfert et à faire subir à cette feuille de papier transfert un traitement thermique de façon à cuire et polymériser l'encre conductrice, connexion d'une puce (14), munie de plots de connexions, sur l'antenne (12), lamination consistant à solidariser la feuille de papier transfert avec une couche de matière plastique (16) constituant le support d'antenne, par pressage à chaud, de façon à ce que l'antenne sérigraphiée et la puce soit noyées dans la couche de matière plastique, décollage de la feuille de papier transfert, et lamination de corps de carte sur le support d'antenne, consistant à souder de chaque côté du support au moins une couche de matière plastique (18, 20), par pressage à chaud.
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