RFID DEVICE AND METHOD FOR MANUFACTURING THE RFID DEVICE

Abstract

The invention relates to an RFID device comprising: a layer of flexible laminar material, comprising: an outer face, and an inner face, and an RFID tag, fixed to the inner face of the layer.
Said inner face comprises a coating, with the RFID tag being encapsulated between the inner face and the coating.

Claims

1. An RFID device comprising: a layer (1) of flexible laminar material, comprising: an outer face (2), and an inner face (4), and an RFID tag (5), fixed to the inner face (4) of the layer (1), characterised in that the inner face (4) comprises a coating (6), with the RFID tag (5) being encapsulated between the inner face (4) and the coating (6).

2. The RFID device according to claim 1, wherein the layer (1) of flexible laminar material is a textile material.

3. The RFID device according to claim 1, wherein the RFID tag is fixed to the inner face (4) of the layer (1) by means of an adhesive.

4. The RFID device according to claim 1, wherein the coating (6) is a thermoplastic polymer.

5. The RFID device according to claim 4, wherein the thermoplastic polymer is polyurethane.

6. The RFID device according to claim 1, wherein the outer face (2) of the layer (1) of flexible laminar material comprises a second coating (3).

7. The RFID device according to the claim 6, wherein the coating (6) and the second coating (3) are of the same material.

8. The RFID device according to claim 1, wherein the device comprises a second layer (7) of flexible laminar material sandwiched between the coating (6) and the inner face (4), wherein the second layer (7) of flexible laminar material is additionally sandwiched between the coating (6) and the RFID tag (5).

9. The RFID device according to claim 1, wherein the RFID tag is made of aluminium.

10. A method for preparing an RFID device according to claim 1, comprising the following steps: a) applying a coating (6) on the layer (1) of flexible laminar material containing an RFID tag (5) adhered to its inner face (4), with the RFID tag (5) being encapsulated between the coating (6) and the inner face (4) of the flexible laminar material, b) drying the layer of coating (6).

11. The method according to claim 10, comprising a step before step a) for fixing the RFID tag to the layer (1) of flexible laminar material.

12. The method according to claim 11, wherein the fixing of the RFID tag to the layer (1) of flexible laminar material is by means of adhesive.

13. The method according to claim 10, comprising a step before step a) for applying a second coating (3) to the outer face (2) of the layer (1) of flexible laminar material.

Description

DESCRIPTION OF THE FIGURES

[0023] FIG. 1 shows a longitudinal cross section of a preferred embodiment of the RFID device of the present invention.

[0024] FIG. 2 shows a longitudinal cross section of a second embodiment of the RFID device of the present invention.

DETAILED DESCRIPTION OF THE INVENTION

[0025] A first embodiment of the present invention, as defined in FIG. 1, relates to an RFID device comprising a layer of a textile (1) as the flexible laminar material, with an outer face (2) and an inner face (4), with an RFID tag (5) fixed to said inner face (4) and said inner face (4) further comprising a coating (6) of polyurethane, such that the RFID tag is encapsulated between the inner face (4) and the coating (6) of polyurethane. Additionally, the outer face (2) comprises a second coating (3) of polyurethane.

[0026] In a second embodiment, as defined in FIG. 2, the present invention relates to an RFID device comprising a layer of a textile (1) as the flexible laminar material, with an outer face (2) and an inner face (4), with an RFID tag (5) fixed to said inner face (4) and said inner face (4) further comprising a coating (6) of polyurethane, wherein the device additionally comprises a second layer (7) of cellulose as the flexible laminar material sandwiched between the coating (6) of polyurethane and the inner face (4), wherein the second layer (7) of cellulose is additionally sandwiched between the coating (6) of polyurethane and the RFID tag (5). Additionally, the outer face (2) comprises a second coating (3) of polyurethane.