Conductive electrical element and antenna with ink additive...

G - Physics – 03 – F

Patent

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Details

G03F 7/16 (2006.01) G01V 15/00 (2006.01) G06K 19/077 (2006.01) H01Q 1/38 (2006.01) H05K 3/12 (2006.01) H05K 1/16 (2006.01)

Patent

CA 2390451

A printing process is provided in which a conductive ink is printed over a printed pattern formed by a coating having an additive that lowers surface tension. Printed electrical elements and antennae (including RFID antennae) are formed using this process. The coating with the surface tension lowering additive is printed on a substrate in a predetermined pattern. A conductive ink is then applied over the coating and, because of the difference in surface tension between the coating and the substrate, the ink flows away from the coating. The conductive ink dries between the printed coating pattern and forms the conductive element.

Un procédé d'impression dans lequel une encre conductrice est posée sur un motif imprimé formé à l'aide d'un enduit comportant un additif réducteur de tension superficielle. Ce procédé est utilisé pour la réalisation d'éléments électriques imprimés et d'antennes (y compris les antennes d'identification par radiofréquences ou RFID). L'enduit contenant l'additif réducteur de tension superficielle est posé sur un substrat selon un motif prédéterminé. Une encre conductrice est ensuite appliquée sur l'enduit et l'encre s'écoule en se séparant de l'enduit en raison de la différence de tension superficielle de l'enduit et du substrat. L'encre conductrice sèche entre le motif de l'enduit imprimé et forme l'élément conducteur.

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