Radio-frequency transponder for marking wood products and...

G - Physics – 06 – K

Patent

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Details

G06K 19/077 (2006.01) A01G 23/099 (2006.01) G09F 3/12 (2006.01)

Patent

CA 2747070

The invention relates to a transponder for marking wood material and a method of manufacturing thereof. The method comprises embedding an RFID microchip and antenna into a casing essentially consisting of one or more biodegradable materials. According to the invention the embedding step comprises forming the antenna by layering conductive material directly on biodegradable material, and covering the antenna by biodegradable material. By means of the invention, environmentally friendly and pulping-compatible transponders can be manufactured, for example, for aiding the logistics of forest industry.

L'invention concerne un transpondeur permettant de marquer des produits ligneux et son procédé de fabrication. Le procédé consiste à intégrer une micropuce RFID et une antenne dans un boîtier composé essentiellement d'un ou plusieurs matériaux biodégradables. Selon l'invention, l'étape d'intégration consiste à former l'antenne en disposant en couches un matériau conducteur directement sur un matériau biodégradable, et à recouvrir l'antenne avec le matériau biodégradable. L'invention permet de fabriquer des transpondeurs écologiques et compatibles avec la réduction en pâte, par exemple, pour contribuer à la logistique de l'industrie forestière.

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