Matchable low-e i.g. units and laminates and methods of...

Details Matchable low-e i.g. units and laminates and methods of... Matchable low-e i.g. units and laminates and methods of...

C - Chemistry, Metallurgy

03

C

C03C 17/36 (2006.01) B32B 17/10 (2006.01)

Patent

CA 2392776

A neutral blue-green heat treatable and matchable glass laminate or I.G. unit employs a layer system whose visible transmittance increases by at least 4% during heat treatment and whose .DELTA. E*ab is less than about 3.0 and .DELTA.a* is less than about 0.7. The sputter coated layer system includes a silver layer sandwiched between nichrome layers and thereafter layers ol Si3N4.

L'invention porte sur un laminé ou unité de verre isolant bleu-vert, neutre, pouvant être traité thermiquement ou apparié et qui utilise un système de couches dont la transmittance visible augmente d'au moins 4 % au cours du traitement thermique et dont DELTA E*ab est inférieur à environ 3,0 et DELTA a* à environ 0,7. Le système de couches appliquées par pulvérisation comprend une couche d'argent prise en sandwich entre des couches de nichrome suivies de couches de Si3N4.

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