G - Physics – 06 – K
Patent
G - Physics
06
K
G06K 19/077 (2006.01)
Patent
CA 2693108
The invention relates to an assembly including: a wire antenna (5) including at least on conductive turn, a first fibrous substrate (2) on which the antenna extends, said first substrate comprising at least one coated paper including a fibrous base containing at least 30 mass % of natural fibres in the fibrous mass, the antenna being connected to a face of the flexible substrate, and the paper including on that face at least one surface layer containing at least one mineral load and a coating binder. The invention also relates to an assembly, according to claim 1, of the fibrous base containing at least 40 mass %, preferably 50 mass %, more preferably 60 mass % and ideally at least 70 mass % of natural fibres, with preferably a lower proportion of long natural fibres relative to short ones when the fibrous mass includes synthetic fibres, in particular between 5 and 25 % of synthetic fibres.
La présente invention concerne un assemblage comportant : une antenne filaire (5) comportant au moins une spire conductrice; un premier support fibreux (2) sur lequel s'étend l'antenne, ce premier support comportant un papier couché comprenant une base fibreuse formée à raison d'au moins 30 % en masse dans la base fibreuse de fibres naturelles, l'antenne étant solidarisée à une face du support flexible, le papier comportant sur cette face au moins une couche de surface comprenant au moins une charge minérale et un liant de couchage. Assemblage selon la revendication 1, la base fibreuse comportant en masse au moins 40 %, mieux 50 %, encore mieux 60 %, préférentiellement au moins 70 %, de fibres naturelles, avec de préférence une proportion moins élevée de fibres naturelles longues que de courtes lorsque la base fibreuse comporte des fibres synthétiques, notamment entre 5 et 25 % de fibres synthétiques.
Desnous Celine
Rancien Sandrine
Arjowiggins Security Integrale Solutions
Robic
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