G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 21/64 (2006.01)
Patent
CA 2653894
Fluorescence sensor for detecting gas compositions, said sensor having a carrier substrate (1) and a fluorescent layer (10) which is applied to the latter and essentially comprises a gas-permeable polymer matrix (2) with a fluorescent dye (3) embedded in it, wherein a diffusion layer (4) made of gas-permeable ceramics and/or polymers is arranged above the fluorescent layer (10), said diffusion layer being adapted in such a manner that it gives rise to a time delay in the diffusion of gas from the environment (5) to be detected to the fluorescent layer (10) and vice versa.
La présente invention concerne un capteur à fluorescence pour la détection de compositions gazeuses avec un substrat de support (1) sur lequel est disposée une couche de fluorescence (10) qui est sensiblement composée d'une matrice polymère (2) perméable aux gaz contenant un colorant fluorescent (3), une couche de diffusion (4) en céramiques et/ou en polymères perméables au gaz étant disposée sur la couche de fluorescence (10), la couche de diffusion (4) étant conçue pour exercer un retard temporaire de la diffusion de gaz depuis l'environnement à détecter (5) vers la couche de fluorescence (10) et inversement.
Becker Thomas
Sayhan Ilker
Eads Deutschland Gmbh
Marks & Clerk
LandOfFree
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