Patents by Inventor Veronique Rondeau

Veronique 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).

  • Patent number: 6804048
    Abstract: 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 nanome
    Type: Grant
    Filed: June 13, 2003
    Date of Patent: October 12, 2004
    Assignee: Saint-Gobain Glass France
    Inventors: Philippe MacQuart, Olivier Guiselin, Veronique Rondeau
  • Publication number: 20040144419
    Abstract: 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: Application
    Filed: March 2, 2004
    Publication date: July 29, 2004
    Inventors: Renaud Fix, Thibaut Heitz, Veronique Rondeau, Ulf Blieske, Nikolas Janke, Marcus Neander
  • Publication number: 20040043260
    Abstract: 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: Application
    Filed: September 4, 2003
    Publication date: March 4, 2004
    Inventors: Nicolas Nadaud, Xavier Talpaert, Veronique Rondeau
  • Publication number: 20030215622
    Abstract: 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 nanome
    Type: Application
    Filed: June 13, 2003
    Publication date: November 20, 2003
    Applicant: SAINT-GOBAIN GLASS FRANCE
    Inventors: Philippe MacQuart, Olivier Guiselin, Veronique Rondeau
  • Patent number: 6602587
    Abstract: 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 nanome
    Type: Grant
    Filed: June 21, 1999
    Date of Patent: August 5, 2003
    Assignee: Saint-Gobain Glass France
    Inventors: Philippe Macquart, Olivier Guiselin, Veronique Rondeau
  • Publication number: 20030099842
    Abstract: A transparent substrate is provided with metal components, such as metal wires and/or a stack of thin layers including at least one silver layer, to prevent the transmission of waves in the near infrared.
    Type: Application
    Filed: October 25, 2002
    Publication date: May 29, 2003
    Inventors: Georges Za-Gdoun, Benoit Rogier, Veronique Rondeau
  • Publication number: 20020102394
    Abstract: 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 nanome
    Type: Application
    Filed: June 21, 1999
    Publication date: August 1, 2002
    Inventors: PHILIPPE MACQUART, OLIVIER GUISELIN, VERONIQUE RONDEAU
  • Patent number: 6355334
    Abstract: The invention relates to a transparent substrate, in particular made of glass, provided with a thin-film stack including at least one metallic layer with infrared reflection properties, in particular a low-emission layer, arranged between two dielectric-based coatings. According to the invention, the dielectric-based coating above the metallic layer has the following sequence of layers deposited in this order: a) layer(s) with material(s) with refractive index ni-2 of at most 2.2; b) layer(s) with material(s) with refractive index ni-1 at least 0.3 less than that of the last layer(s) ni; c) last layer(s) with material(s) with refractive index ni substantially equal to ni-2.
    Type: Grant
    Filed: October 22, 1999
    Date of Patent: March 12, 2002
    Assignee: Saint-Gobain Vitrage
    Inventors: Véronique Rondeau, Fabrice Didier
  • Patent number: 6210784
    Abstract: The invention relates to a transparent substrate, in particular made of glass, provided with a thin-film stack including at least one metallic layer with infrared reflection properties, in particular a low-emission. layer, arranged between two dielectric-based coatings, the underlying coating having a wetting layer based on zinc oxide ZnO, optionally doped with aluminium ZnO:Al, directly in contact with the metallic layer. According to the invention, each of the two coatings based on the dielectric material comprises at least one layer with high refractive index, greater than or equal to 2.2.
    Type: Grant
    Filed: October 22, 1999
    Date of Patent: April 3, 2001
    Assignee: Saint-Gobain Vitrage
    Inventors: Véronique Rondeau, Fabrice Didier
  • Patent number: 5965246
    Abstract: 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.
    Type: Grant
    Filed: June 3, 1996
    Date of Patent: October 12, 1999
    Assignee: Saint-Gobain Vitrage
    Inventors: Olivier Guiselin, Philippe Macquart, Veronique Rondeau
  • Patent number: 5935702
    Abstract: 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.
    Type: Grant
    Filed: December 22, 1995
    Date of Patent: August 10, 1999
    Assignee: Saint-Gobain Vitrage
    Inventors: Philippe Macquart, Olivier Guiselin, Veronique Rondeau
  • Patent number: 5718980
    Abstract: 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.
    Type: Grant
    Filed: November 4, 1996
    Date of Patent: February 17, 1998
    Assignee: Saint-Gobain Vitrage International
    Inventors: Stephanie Koch, Veronique Rondeau, Jean-Pierre Brochot, Olivier Guiselin