Saint-gobain Vitrage

Saint-gobain Glass France

Saint-gobain Vitrage International

Olivier Guiselin

Veronique Rondeau

Philippe Macquart

Jean-Pierre Brochot

Pascal Petit

Renaud Fix

Xue Yun Lin

Pierre Chaussade

Yves Naoumenko

Pascal Chartier

Marie-Jose Azzopardi

Nathalie Codazzi

Fabienne Gauthier

Stephanie Koch

Véronique Rondeau

A transparent substrate particularly of glass, provided with a stack of thin layers having at least one metallic layer () having properties in the infrared range particularly having low emissivity and two coatings having a base of dielectric material located one () under and the other () over the layer having properties in the infrared range, as well as a protective metallic layer () place immediately over an in contact with the layer having properties in the infrared range, characterized in that in order to prevent the modification of properties of the stack, particularly optical and thermal properties, in the case where the substrate is submitted to a thermal treatment of the tempering or bending kind, firstly the second coating () having a base of dielectric material, includes a barrier layer for the diffusion of oxygen chosen from the following materials: components of silicon SiO, SiOC, SiON, nitrates such as SiNor AlN, carbides such as SiC, TiC, CrC, TaC of a thickness of at least 10 nanometers and preferably of at least 20 nanometers, and secondly the layer having properties in the infrared range is directly in contact with the underlying dielectric coating.

Glass substrates coated with a stack of thin layers having reflective properties in the infra-red and/or solar ranges

A transparent substrate particularly of glass, provided with a stack of thin layers having at least one metallic layer ( ) having properties in the infrared range particularly having low emissivity and two coatings having a base of dielectric material located one ( ) under and the other ( ) over the layer having properties in the infrared range, as well as a protective metallic layer ( ) place immediately over an in contact with the layer having properties in the infrared range, characterized in that in order to prevent the modification of properties of the stack, particularly optical and thermal properties, in the case where the substrate is submitted to a thermal treatment of the tempering or bending kind, firstly the second coating ( ) having a base of dielectric material, includes a barrier layer for the diffusion of oxygen chosen from the following materials: components of silicon SiO , SiO C , SiO N , nitrates such as Si N or AlN, carbides such as SiC, TiC, CrC, TaC of a thickness of at least 10 nanometers and preferably of at least 20 nanometers, and secondly the layer having properties in the infrared range is directly in contact with the underlying dielectric coating.

Transparent substrate provided with a stack of thin layers, application to thermal insulation and/or solar control glazings

A glazing is described, which includes at least one active layer and at least one reflecting coating on the active layer. A pane, partition, mirror, or door is also described that includes the glazing. A method for making is also described. The glazing exhibits superior thermal and radiative durability, and is capable of modulating the optical appearance of the active layer.

Glazing with variable optical and/or energetic properties

An insulated double glazing having the following layers in the following order: first dielectric layer, first layer with infrared reflection properties, second dielectric layer, second layer having infrared reflection properties, and third dielectric layer. The thickness of the first layer with infrared reflection properties is 50% to 64% of that of the second layer having infrared reflection properties.

Transparent substrate provided with a stack of thin layers

A substrate having the following layers in the following order thereon; first dielectric layer, first layer with infrared reflection properties, second dielectric layer, second layer having infrared reflection properties, and third dielectric layer. The thickness of the first layer with infrared reflection properties is 50% to 64% of that of the second layer having infrared reaction properties. The optical thickness of the first dielectric layer is greater than the thickness of the third dielectric layer by at least 100%. The substrate and the layers together exhibit an external reflection color in the range of blue to blue-green at both 0.degree. and 60.degree. incidence angles.

The subject of the invention is a transparent substrate (1), in particular one made of glass, coated with a stack (7) of thin layers comprising at least one layer (4) having reflection properties in the infrared and/or in the solar radiation range, this layer (4) being interposed between a first and a second coating (3, 6) comprising a dielectric material. An interlayer (2) made of a material having a refractive index less than that of the substrate (1) is interposed between the substrate (1) and the stack (7) such that the difference in refractive indices between the substrate (1) and the layer (2) is at least 0.07 and preferably at least 0.12.

Transparent substrates coated with a stack of thin layers having

A transparent substrate particularly of glass, provided with a stack of thin layers having at least one metallic layer (4) having properties in the infrared range particularly having low emissivity and two coatings having a base of dielectric material located one (8) under and the other (9) over the layer having properties in the infrared range, as well as a protective metallic layer (5) place immediately over an in contact with the layer having properties in the infrared range, characterized in that in order to prevent the modification of properties of the stack, particularly optical and thermal properties, in the case where the substrate is submitted to a thermal treatment of the tempering or bending kind, firstly the second coating (9) having a base of dielectric material, includes a barrier layer for the diffusion of oxygen chosen from the following materials: components of silicon SiO.sub.2, SiO.sub.x C.sub.y SiO.sub.N N.sub.y, nitrates such as Si.sub.3 N.sub.4 or AlN, carbides such as SiC, TiC, CrC, TaC of a thickness of at least 10 nanometers and preferably of at least 20 nanometers, and secondly the layer having properties in the infrared range is directly in contact with the underlying dielectric coating.

Glass substrates coated with a stack of thin layers having reflective

A window glass comprising a substrate made of glass, which is optionally covered, at least in part, by one or more layers and a hydrophobic-oleophobic, abrasion-resistant coating comprising an essentially mineral sublayer and a hydrophobic-oleophobic layer, wherein the density of the sublayer is equal to at least 80% of that of its constituent material.

Multilayered hydrophobic window glass

A transparent substrate provided with a covering multi-layer stack of thin coatings of which at least one is a metal coating (5) having low emissivity characteristics in the infrared positioned between two layers of the multi-layer stack, which are formed of a dielectric material, said multi-layer stack having at least one wetting layer below the metal coating (5), which wetting layer is based on tantalum oxide or niobium oxide.

Glass substrates covered with a stack of thin coatings, application to

A transparent substrate (i), particularly glass, having a stack of thin films comprising successively form the substrate:

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Paris, France

Olivier Guiselin