C - Chemistry – Metallurgy – 03 – C
Patent
C - Chemistry, Metallurgy
03
C
C03C 17/36 (2006.01)
Patent
CA 2547465
The invention relates to a transparent substrate which is made, for example, from glass and which is equipped with a stack of thin layers comprising a plurality of functional layers. The invention is characterised in that: (i) the aforementioned stack of thin layers comprises at least three silver-based functional layers, (ii) the stack has a per-square resistance of R¿.square.? < 1.5 .OMEGA., and (iii) the substrate can be subjected to at least one processing operation involving a heat treatment at a temperature of at least 500 ·C, such as to enable the substrate to be used alternatively or cumulatively to provide thermal control and/or electromagnetic armour and/or heated glazing.
L'invention a pour objet un substrat transparent, notamment en verre, muni d'un empilement de couches minces comportant une pluralité de couches fonctionnelles, caractérisé en ce que ledit empilement de couches minces comporte au moins trois couches fonctionnelles à base d'argent, en ce que ledit empilement présente une résistance R.square. < 1,5 .OMEGA. par carré et en ce que ledit substrat peut subir au moins une opération de transformation impliquant un traitement thermique à une température d'au moins 500~C, afin de permettre de réaliser à l'aide du substrat alternativement ou cumulativement du contrôle thermique et/ou du blindage électromagnétique et/ou du vitrage chauffant.
Belliot Sylvain
Fleury Carinne
Nadaud Nicolas
Goudreau Gage Dubuc
Saint-Gobain Glass France
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