H - Electricity – 01 – Q
Patent
H - Electricity
01
Q
H01Q 23/00 (2006.01) G06K 19/077 (2006.01) H01Q 1/22 (2006.01) H01Q 1/38 (2006.01) H01Q 1/48 (2006.01) H01Q 7/00 (2006.01) H01Q 7/04 (2006.01) H04B 1/59 (2006.01)
Patent
CA 2231306
The present invention concerns an integrated circuit structure (1) formed in a substrate (2) and including at least one integrated circuit element (3, 4), an antenna coil (5) capable of transmitting and/or receiving data, and associated with said integrated circuit element(s) (3, 4); and a metal protective ring (20) situated at the periphery of the integrated circuit structure (1). The present invention is characterised in that said protective ring (20) comprises at least one ohmic interruption, so that it does not form a closed circuit on itself. The integrated circuit structure (1) according to the invention is improved in that the operation of the antenna coil (5) is made insensitive to the presence of the protective ring (20).
La présente invention porte sur une structure à circuit intégré (1) formée sur un substrat (2) qui comporte au moins un élément à circuit intégré (3, 4), une bobine d'antenne (5) capable d'émettre et/ou de recevoir des données associée à ces éléments à circuit intégré (3, 4), et un anneau protecteur métallique (20) monté à la périphérie de cette structure à circuit intégré (1). L'invention est caractérisée par le fait que l'anneau protecteur (20) comporte au moins une discontinuité électrique et ne constitue pas un circuit fermé. La structure à circuit intégré (1) de l'invention est améliorée du fait que le fonctionnement de la bobine d'antenne (5) est insensible à la présence de l'anneau protecteur (20).
Em Microelectronic-Marin Sa
Gowling Lafleur Henderson Llp
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