High temperature rfid tag

G - Physics – 06 – K

Patent

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Details

G06K 19/077 (2006.01) G06K 19/02 (2006.01)

Patent

CA 2306222

A high temperature RFID tag (10,20) is described which has a survival temperature in the range of approximately -40°C to 300°C and an operating temperature of approximately -20 °C to 200 °C. The RFID tag comprises a housing (21) comprising a first thermally resistant material and having a base (24) and a top (22), and a circuit board substrate (26) which includes an IC circuit (28) and is disposed in a tag chamber (36), the substrate comprising a second thermally resistant material which is encapsulated in the housing. The thermally resistant materials exhibit a deflection temperature in a range of 287 °C to 320 °C.

L'invention concerne une étiquette (10, 20) d'identification radiofréquence (RFID) haute température, la température de survie de cette étiquette variant approximativement entre -40 DEG C et 300 DEG C, et sa température de fonctionnement se situant entre -20 DEG C et 200 DEG C environ. L'étiquette RFID de la présente invention est constituée d'un boîtier (21) comprenant une première substance thermorésistante et présentant un fond (24) et un couvercle (22), et d'un substrat à carte imprimée (26) pourvu d'un circuit intégré (28) placé dans une chambre (36) à étiquette, ledit substrat comprenant une seconde substance thermorésistante, laquelle est encapsulée à l'intérieur dudit boîtier. Les substances thermorésistantes présentent une température de déflexion variant entre 287 DEG C et 320 DEG C environ.

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