Patents by Inventor Véronique Rondeau
Véronique Rondeau has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11401206Abstract: A material includes a transparent substrate coated on one face with a stack of thin layers successively including, starting from the face, an alternation of three silver-based functional metal layers denoted, starting from the substrate, first, second and third functional layers respectively Ag1, Ag2 and Ag3, and of four dielectric coatings denoted, starting from the substrate, M1, M2, M3 and M4, with optical thicknesses respectively To1, To2, To3 and To4. Each functional metal layer is positioned between two dielectric coatings. The geometrical thickness of the second functional layer Ag2 is less than the thickness of the first functional layer Ag1. The geometrical thickness of the second functional layer Ag2 is less than the thickness of the third functional layer Ag3. The dielectric coating M2 exhibits a lower optical thickness To2 than the optical thicknesses To1, To3 and To4 respectively of the dielectric coatings M1, M3 and M4.Type: GrantFiled: October 24, 2018Date of Patent: August 2, 2022Assignee: SAINT-GOBAIN GLASS FRANCEInventors: Nissita Wanakule, Veronique Rondeau, Tommaso Ongarello
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Patent number: 11390559Abstract: A material includes a transparent substrate coated with a stack of thin layers successively including an alternation of three silver-based functional metal layers and of four dielectric coatings so that each functional metal layer is positioned between two dielectric coatings. Absorbent material is present between the first functional layer and the second functional layer, in a total thickness Abs2 such that 1.0?Abs2?5.0 nm and/or absorbent material is present between the second functional layer and the third functional layer, in a total thickness Abs3 such that 1.0?Abs3?5.0 nm. Additionally, absorbent material is present between the face of the substrate and the first functional layer in a total thickness such that 0.0<Abs1?0.5 nm and absorbent material is present above the third functional layer, in a total thickness Abs4 such that 0.0<Abs4?0.5 nm.Type: GrantFiled: October 23, 2019Date of Patent: July 19, 2022Assignee: SAINT-GOBAIN GLASS FRANCEInventors: Paul Jacquet, Nisita Wanakule, Cyril Jean, Xavier Caillet, Veronique Rondeau
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Publication number: 20220098095Abstract: A substrate coated on one of its faces with a stack of thin layers having reflection properties in the infrared and/or in solar radiation, including two metallic functional layers, in particular on the basis of silver. Each of the metallic functional layers is disposed between two dielectric coatings. The coating includes at least two absorbent layers which absorb solar radiation in the visible part of the spectrum, which is disposed at least in two different dielectric coatings.Type: ApplicationFiled: January 30, 2020Publication date: March 31, 2022Inventors: Julien BEUTIER, Véronique RONDEAU, Estelle MARTIN, Soumyadeep MISRA
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Publication number: 20210395138Abstract: A material includes a transparent substrate coated with a stack of thin layers successively including an alternation of three silver-based functional metal layers and of four dielectric coatings so that each functional metal layer is positioned between two dielectric coatings. Absorbent material is present between the first functional layer and the second functional layer, in a total thickness Abs2 such that 1.0?Abs2?5.0 nm and/or absorbent material is present between the second functional layer and the third functional layer, in a total thickness Abs3 such that 1.0?Abs3?5.0 nm. Additionally, absorbent material is present between the face of the substrate and the first functional layer in a total thickness such that 0.0<Abs1?0.5 nm and absorbent material is present above the third functional layer, in a total thickness Abs4 such that 0.0<Abs4?0.5 nm.Type: ApplicationFiled: October 23, 2019Publication date: December 23, 2021Applicant: SAINT-GOBAIN GLASS FRANCEInventors: Paul JACQUET, Nisita WANAKULE, Cyril JEAN, Xavier CAILLET, Veronique RONDEAU
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Publication number: 20200239359Abstract: A material includes a transparent substrate coated on one face with a stack of thin layers successively including, starting from the face, an alternation of three silver-based functional metal layers denoted, starting from the substrate, first, second and third functional layers respectively Ag1, Ag2 and Ag3, and of four dielectric coatings denoted, starting from the substrate, M1, M2, M3 and M4, with optical thicknesses respectively To1, To2, To3 and To4. Each functional metal layer is positioned between two dielectric coatings. The geometrical thickness of the second functional layer Ag2 is less than the thickness of the first functional layer Ag1. The geometrical thickness of the second functional layer Ag2 is less than the thickness of the third functional layer Ag3. The dielectric coating M2 exhibits a lower optical thickness To2 than the optical thicknesses To1, To3 and To4 respectively of the dielectric coatings M1, M3 and M4.Type: ApplicationFiled: October 24, 2018Publication date: July 30, 2020Applicant: SAINT-GOBAIN GLASS FRANCEInventors: Nissita WANAKULE, Veronique RONDEAU, Tommaso ONGARELLO
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Patent number: 9546108Abstract: A transparent substrate provided with a stack of thin layers includes an alternation of n functional layers having reflection properties in the infrared region and/or in solar radiation with n?2 and of n+1 coatings including one or more dielectric layers, so that each functional layer is positioned between two coatings, the coatings and the functional layers are numbered according to their position with respect to the transparent substrate, the lower coating 1 is placed above the transparent substrate and below the functional layer 1, the intermediate coatings 2 to n are placed between two functional layers and the upper coating n+1 is placed above the functional layer n, wherein at least one of the upper or intermediate coatings 2 to n+1 includes at least one barrier coating including at least two barrier layers, one layer including silicon and one layer based on aluminum nitride.Type: GrantFiled: November 5, 2014Date of Patent: January 17, 2017Assignee: SAINT-GOBAIN GLASS FRANCEInventors: Véronique Rondeau, Emilie Charlet, Etienne Sandre-Chardonnal
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Publication number: 20160244361Abstract: A transparent substrate provided with a stack of thin layers includes an alternation of n functional layers having reflection properties in the infrared region and/or in solar radiation with n?2 and of n+1 coatings including one or more dielectric layers, so that each functional layer is positioned between two coatings, the coatings and the functional layers are numbered according to their position with respect to the transparent substrate, the lower coating 1 is placed above the transparent substrate and below the functional layer 1, the intermediate coatings 2 to n are placed between two functional layers and the upper coating n+1 is placed above the functional layer n, wherein at least one of the upper or intermediate coatings 2 to n+1 includes at least one barrier coating including at least two barrier layers, one layer including silicon and one layer based on aluminum nitride.Type: ApplicationFiled: November 5, 2014Publication date: August 25, 2016Inventors: Véronique RONDEAU, Emilie CHARLET, Etienne SANDRE-CHARDONNAL
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Patent number: 9028930Abstract: A multiple glazing comprising at least two substrates, one substrate being coated on an inner face in contact with a gas-filled cavity with a thin-film multilayer coating having reflection properties in the infrared and/or in solar radiation, said coating comprising a single metallic functional layer and two dielectric films, said films each comprising at least one dielectric layer, said functional layer being placed between the two dielectric films, characterized in that at least one dielectric film, or both dielectric films, includes an absorbent layer which is placed in the dielectric film between two dielectric layers, the absorbent material of the absorbent layer(s) being predominantly in the dielectric film subjacent to the metallic functional layer or predominantly in the dielectric film superjacent to the metallic functional layer.Type: GrantFiled: December 22, 2009Date of Patent: May 12, 2015Assignee: Saint-Gobain Glass FranceInventors: Vincent Reymond, Hadia Gerardin, Sylvain Belliot, Veronique Rondeau, Eric Petitjean
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Patent number: 8951617Abstract: The invention relates to a multiple glazing including at least two substrates, one substrate being coated on an inner face in contact with a gas-filled cavity with a thin-film multilayer coating having reflection properties in the infrared and/or in solar radiation, the coating including a metallic functional layer and at least two dielectric films, each including at least one dielectric layer, the metallic functional layer being placed between the two dielectric films, characterized in that the two dielectric films each include at least one absorbent layer which is placed in the dielectric film between two dielectric layers, the absorbent material of the absorbent layers being symmetrically placed on either side of the metallic functional layer.Type: GrantFiled: December 22, 2009Date of Patent: February 10, 2015Assignee: Saint-Gobain Glass FranceInventors: Vincent Reymond, Hadia Gerardin, Sylvain Belliot, Veronique Rondeau, Eric Petitjean
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Patent number: 8809668Abstract: The subject of the invention is a transparent substrate, especially made of glass, which is provided with an electrode, especially for a solar cell, comprising a conductive layer based on molybdenum Mo with a thickness of at most 500 nm, especially at most 400 nm or at most 300 nm or at most 200 nm.Type: GrantFiled: December 23, 2011Date of Patent: August 19, 2014Assignee: Saint-Gobain Glass FranceInventors: Renaud Fix, Thibaut Heitz, Veronique Rondeau, Ulf Blieske, Nikolas Janke, Marcus Neander
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Patent number: 8286395Abstract: A transparent substrate having a glazing function, provided with a thin-film multi-layer coating, which acts on solar radiation, applicable, for example, in the architectural or automotive fields. The multilayer coating comprises at least two absorbent functional layers each flanked by two transparent layers comprising a dielectric material. Preferably, the functional layers are based on a metal belonging to the group consisting of: niobium, tantalum, molybdenum and zirconium, and the metal or at least one of the functional layers may be partially or entirely nitrided.Type: GrantFiled: May 13, 2009Date of Patent: October 16, 2012Assignee: Saint-Gobain Glass FranceInventors: Bruno Mauvernay, Veronique Rondeau, Sylvain Belliot
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Publication number: 20120186646Abstract: The subject of the invention is a transparent substrate, especially made of glass, which is provided with an electrode, especially for a solar cell, comprising a conductive layer based on molybdenum Mo with a thickness of at most 500 nm, especially at most 400 nm or at most 300 nm or at most 200 nm.Type: ApplicationFiled: December 23, 2011Publication date: July 26, 2012Applicant: SAINT-GOBAIN GLASS FRANCEInventors: Renaud FIX, Thibaut Heitz, Véronique Rondeau, Ulf Blieske, Nikolas Janke, Marcus Neander
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Publication number: 20120167961Abstract: The subject of the invention is a transparent substrate, especially made of glass, which is provided with an electrode, especially for a solar cell, comprising a conductive layer based on molybdenum Mo with a thickness of at most 500 nm, especially at most 400 nm or at most 300 nm or at most 200 nm.Type: ApplicationFiled: December 23, 2011Publication date: July 5, 2012Applicant: SAINT-GOBAIN GLASS FRANCEInventors: Renaud FIX, Thibaut Heitz, Véronique Rondeau, Ulf Blieske, Nikolas Janke, Marcus Neander
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Patent number: 8148631Abstract: The subject of the invention is a transparent substrate, especially made of glass, which is provided with an electrode, especially for a solar cell, comprising a conductive layer based on molybdenum Mo with a thickness of at most 500 nm, especially at most 400 nm or at most 300 nm or at most 200 nm.Type: GrantFiled: January 23, 2002Date of Patent: April 3, 2012Assignee: Saint-Gobain Glass FranceInventors: Renaud Fix, Thibaud Heitz, Veronique Rondeau, Ulf Blieske, Nikolas Janke, Marcus Neander
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Publication number: 20110305853Abstract: The invention relates to multiple glazing comprising at least two substrates, one substrate being coated on an inner face in contact with a gas-filled cavity with a thin-film multilayer coating having reflection properties in the infrared and/or in solar radiation, said coating comprising a single metallic functional layer (140) and two dielectric films (120, 160), said films each comprising at least one dielectric layer (122, 126; 162, 166), said functional layer (140) being placed between the two dielectric films (120, 160), characterized in that the two dielectric films (120, 160) each include at least one absorbent layer (123, 165) which is placed in the dielectric film between two dielectric layers (122, 126; 162, 166), the absorbent material of the absorbent layers (123, 165) being symmetrically placed on either side of the metallic functional layer (140).Type: ApplicationFiled: December 22, 2009Publication date: December 15, 2011Applicant: SAINT-GOBAIN GLASS FRANCEInventors: Vincent Reymond, Hadia Gerardin, Sylvain Belliot, Veronique Rondeau, Eric Petitjean
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Publication number: 20110300319Abstract: The invention relates to multiple glazing comprising at least two substrates, one substrate being coated on an inner face in contact with a gas-filled cavity with a thin-film multilayer coating having reflection properties in the infrared and/or in solar radiation, said coating comprising a single metallic functional layer (140) and two dielectric films (120, 160), said films each comprising at least one dielectric layer (122, 126; 162, 166), said functional layer (140) being placed between the two dielectric films (120, 160), characterized in that at least one dielectric film (120, 160), or both dielectric films (120, 160), includes an absorbent layer (123, 165) which is placed in the dielectric film between two dielectric layers (122, 126; 162, 166), the absorbent material of the absorbent layer(s) (123, 165) being predominantly in the dielectric film (120) subjacent to the metallic functional layer (140) or predominantly in the dielectric film (160) superjacent to the metallic functional layer (140).Type: ApplicationFiled: December 22, 2009Publication date: December 8, 2011Applicant: SAINT-GOBAIN GLASS FRANCEInventors: Vincent Reymond, Hadia Gerardin, Sylvain Belliot, Veronique Rondeau, Eric Petitjean
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Publication number: 20110146172Abstract: A transparent substrate having a glazing function, provided with a thin-film multi-layer coating, which acts on solar radiation, applicable, for example, in the architectural or automotive fields. The multilayer coating comprises at least two absorbent functional layers each flanked by two transparent layers comprising a dielectric material. Preferably, the functional layers are based on a metal belonging to the group consisting of: niobium, tantalum, molybdenum and zirconium, and the metal or at least one of the functional layers may be partially or entirely nitrided.Type: ApplicationFiled: May 13, 2009Publication date: June 23, 2011Applicant: SAINT GOBAIN GLASS FRANCEInventors: Bruno Mauvernay, Veronique Rondeau, Sylvain Belliot
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Patent number: 7037577Abstract: 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 SiO2, SiOxCy, SiONNy, nitrates such as Si3N4 or AlN, carbides such as SiC, TiC, CrC, TaC of a thickness of at least 10 nanomeType: GrantFiled: June 30, 2004Date of Patent: May 2, 2006Assignee: Saint-Gobain Glass FranceInventors: Philippe Macquart, Olivier Guiselin, Veronique Rondeau
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Patent number: 6875319Abstract: The invention concerns a method from cathode spray deposition of a coating with photocatalytic properties comprising titanium oxide at least partly crystallised in anastatic form on a transparent or semi-transparent support substrate, such as glass, vitroceramic, plastic. The substrate is sprayed under a pressure of at least 2 Pa. The invention also concerns the resulting coated substrate, wherein said substrate constitutes the top layer of a series of thin antiglare layers.Type: GrantFiled: September 19, 2001Date of Patent: April 5, 2005Assignee: Saint-Gobain Glass FranceInventors: Nicolas Nadaud, Xavier Talpaert, Veronique Rondeau
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Publication number: 20040241457Abstract: 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 SiO2, SiOxCy, SiONNy, nitrates such as Si3N4 or AlN, carbides such as SiC, TiC, CrC, TaC of a thickness of at least 10 nanomeType: ApplicationFiled: June 30, 2004Publication date: December 2, 2004Applicant: SAINT-GOBAIN GLASS FRANCEInventors: Philippe Macquart, Olivier Guiselin, Veronique Rondeau