Coil array for eas marker deactivation device

G - Physics – 08 – B

Patent

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Details

G08B 13/14 (2006.01) G08B 13/24 (2006.01) H01H 47/00 (2006.01) H01Q 1/36 (2006.01) H01Q 1/38 (2006.01) H01Q 11/12 (2006.01) H01Q 21/06 (2006.01)

Patent

CA 2358163

A coil array for an EAS marker deactivation device (10, 10') is formed by stacking planar substrates (16, 18, 20, 22), on each of which a respective array of spiral coils (A11, A12, ...) was formed by a deposition and etching process. The coil array may be a six-by-six square array, four layers thick, with each of the spiral coils consisting of three turns (110A).

Cette invention concerne un réseau de bobines pour dispositif de désactivation (10, 10') de système d'antivol électronique, ledit réseau étant formé par superposition de substrats plans (16, 18, 20, 22), sur chacun desquels a été préalablement constitué, par dépôt ou par gravure, un réseau de bobines hélicoïdales (A11, A12, ...). Le réseau de bobines peut être un réseau carré six par six, d'épaisseur constituée de quatre couches, et dont chacune des bobines comprend trois spires (110A).

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