Patents by Inventor Andriy Kharchenko
Andriy Kharchenko 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: 10961148Abstract: A material includes a transparent substrate coated with a stack of thin layers including a silver-based functional metal layer and two dielectric coatings, wherein a lower dielectric coating located below a silver-based functional layer includes a high-index layer based on metal oxide, an antidiffusion layer based on silicon and/or on aluminum, at least one oxide-based layer located above the antidiffusion layer and exhibiting a different composition from the antidiffusion layer, such as a smoothing layer and/or a wetting layer.Type: GrantFiled: September 5, 2016Date of Patent: March 30, 2021Assignee: SAINT-GOBAIN GLASS FRANCEInventors: Xavier Caillet, Andriy Kharchenko
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Patent number: 10882781Abstract: The invention relates to a process for obtaining a material comprising a substrate coated on at least one part of at least one of its faces with at least one functional layer, said process comprising: a step of depositing the or each functional layer, then a step of depositing a sacrificial layer on said at least one functional layer, then a step of heat treatment by means of radiation chosen from laser radiation or radiation from at least one flash lamp, said radiation having at least one treatment wavelength between 200 and 2500 nm, said sacrificial layer being in contact with the air during this heat treatment step, then a step of removing the sacrificial layer using a solvent, said sacrificial layer being a monolayer and being such that, before heat treatment, it absorbs at least one part of said radiation at said at least one treatment wavelength and that, after heat treatment, it is capable of being removed by dissolution and/or dispersion in said solvent.Type: GrantFiled: June 2, 2015Date of Patent: January 5, 2021Assignee: SAINT-GOBAIN GLASS FRANCEInventors: Andriy Kharchenko, Bernard Nghiem, Nicolas Nadaud, Lorenzo Canova, Arnaud Huignard
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Publication number: 20180244570Abstract: A material includes a transparent substrate coated with a stack of thin layers including a silver-based functional metal layer and two dielectric coatings, wherein a lower dielectric coating located below a silver-based functional layer includes a high-index layer based on metal oxide, an antidiffusion layer based on silicon and/or on aluminum, at least one oxide-based layer located above the antidiffusion layer and exhibiting a different composition from the antidiffusion layer, such as a smoothing layer and/or a wetting layer.Type: ApplicationFiled: September 5, 2016Publication date: August 30, 2018Inventors: Xavier CAILLET, Andriy KHARCHENKO
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Publication number: 20180141858Abstract: The invention relates to a process for obtaining a material comprising a substrate coated on at least one part of at least one of its faces with at least one functional layer, said process comprising: a step of depositing the or each functional layer, then a step of depositing a sacrificial layer on said at least one functional layer, then a step of heat treatment by means of radiation chosen from laser radiation or radiation from at least one flash lamp, said radiation having at least one treatment wavelength between 200 and 2500 nm, said sacrificial layer being in contact with the air during this heat treatment step, then a step of removing the sacrificial layer using a solvent, said sacrificial layer being a monolayer and being such that, before heat treatment, it absorbs at least one part of said radiation at said at least one treatment wavelength and that, after heat treatment, it is capable of being removed by dissolution and/or dispersion in said solvent.Type: ApplicationFiled: June 2, 2015Publication date: May 24, 2018Applicant: SAINT-GOBAIN GLASS FRANCEInventors: Andriy KHARCHENKO, Bernard NGHIEM, Nicolas NADAUD, Lorenzo CANOVA, Arnaud HUIGNARD
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Patent number: 9481603Abstract: A process for producing a substrate coated on a face with a low-E thin film multilayer, the process including: depositing a thin-film multilayer containing a thin silver film between at least two thin dielectric films and an absorbent film on a face a substrate; and heat treating the coated face with laser radiation between 500 and 2000 nm to reduce at least one selected from the group of the emissivity and the sheet resistance of the multilayer by at least 5%, wherein the absorbent film at least partially absorbs the laser radiation so that the absorption of the multilayer the wavelength of the laser radiation is such that the absorption of a clear glass substrate 4 mm in thickness coated with the multilayer at the wavelength of the laser radiation is greater than or equal to 10%.Type: GrantFiled: June 11, 2010Date of Patent: November 1, 2016Assignee: SAINT-GOBAIN GLASS FRANCEInventors: Vincent Reymond, Andriy Kharchenko, Nicolas Nadaud
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Patent number: 9394602Abstract: A process for manufacturing glazing including a substrate provided with a coating including a layer consisting of a porous material, includes depositing on the substrate, via a physical vapor deposition (PVD) process in a vacuum chamber, a coating including a layer of a material including an element selected from Si, Ti, Sn, Al, Zr, In or a mixture of at least two of these elements, oxygen and carbon, the layer in addition optionally including hydrogen, heat treatment of the layer thus deposited, under conditions that enable at least one portion of the carbon to be removed and the layer of porous material to be obtained, wherein the deposition is carried out, on the substrate passing through the chamber, by the sputtering of a carbon target, under a reactive plasma atmosphere including a precursor of the element or elements.Type: GrantFiled: June 15, 2012Date of Patent: July 19, 2016Assignee: SAINT-GOBAIN GLASS FRANCEInventors: Andriy Kharchenko, Jean-Paul Rousseau, Antje Jung, Christian Bernhard Petersen
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Patent number: 9333532Abstract: The subject of the invention is a process for obtaining a material comprising a substrate provided on at least one of its faces with a permanent coating comprising at least one thin film, said process comprising the following steps: said permanent coating is deposited on at least one of the faces of said substrate; then a temporary coating is deposited directly on top of said permanent coating, said temporary coating comprising, as the layer closest to the substrate, at least one thin film soluble in a solvent, surmounted by at least one functional layer; then the substrate thus coated is subjected to a heat treatment; and then said coated substrate is treated with said solvent so as to remove said temporary coating from the surface of said substrate.Type: GrantFiled: July 19, 2011Date of Patent: May 10, 2016Assignee: SAINT-GOBAIN GLASS FRANCEInventor: Andriy Kharchenko
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Patent number: 9199874Abstract: A method of obtaining a substrate coated on a first face with at least one transparent and electrically conductive thin layer based on at least one oxide, including depositing the at least one thin layer on the substrate and subjecting the at least one thin layer to a heat treatment in which the at least one layer is irradiated with aid of radiation having a wavelength between 500 and 2000 nm and focused on a zone of the at least one layer, at least one dimension of which does not exceed 10 cm. The radiation is delivered by at least one radiation device facing the at least one layer, a relative displacement being created between the radiation device and the substrate to treat the desired surface, the heat treatment being such that resistivity of the at least one layer is reduced during the treatment.Type: GrantFiled: June 4, 2010Date of Patent: December 1, 2015Assignee: SAINT-GOBAIN GLASS FRANCEInventors: Emmanuelle Peter, Andriy Kharchenko, Nicolas Nadaud
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Patent number: 9102565Abstract: The subject of the invention is a material comprising a glass substrate coated on at least one of its faces with a thin-film multilayer comprising, starting from said substrate, at least one lower dielectric layer, at least one functional layer made of a metal or metal nitride, at least one upper dielectric layer and at least one layer of titanium oxide at least partially crystallized in the anatase form, said metal or metal nitride being based on Nb, NbN, W, WN, Ta, TaN or any of their alloys or solid solutions.Type: GrantFiled: September 7, 2010Date of Patent: August 11, 2015Assignee: SAINT-GOBAIN GLASS FRANCEInventors: Anne Durandeau, Andriy Kharchenko, Bruno Mauvernay, Emilie Thollas, Etienne Sandre-Chardonnal, Pierre-Alain Gillet, Ulrich Billert
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Patent number: 9073781Abstract: One subject of the invention is a process for the treatment of at least one thin continuous film deposited on a first side of a substrate, characterized in that said at least one thin film is raised to a temperature of at least 300° C. while maintaining a temperature not exceeding 150° C. on the opposite side of said substrate to said first side, so as to increase the degree of crystallization of said thin film while keeping it continuous and without a step of melting said thin film. Another subject of the invention is the material that can be obtained by this process.Type: GrantFiled: January 4, 2008Date of Patent: July 7, 2015Assignee: SAINT-GOBAIN GLASS FRANCEInventors: Nicolas Nadaud, Andriy Kharchenko, Ulrich Billert, Rene Gy
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Patent number: 9011649Abstract: The subject of the invention is a process for obtaining a substrate coated on at least part of its surface with at least one film of oxide of a metal M the physical thickness of which is 30 nm or less, said oxide film not being part of a multilayer comprising at least one silver film, said process comprising the following steps: at least one intermediate film of a material chosen from the metal M, a nitride of the metal M, a carbide of the metal M and an oxygen-substoichiometric oxide of the metal M is deposited by sputtering, said intermediate film not being deposited above or beneath a titanium-oxide-based film, the physical thickness of said intermediate film being 30 nm or less; and at least part of the surface of said intermediate film is oxidized using a heat treatment, during which said intermediate film is in direct contact with an oxidizing atmosphere, especially air, the temperature of said substrate during said heat treatment not exceeding 150° C.Type: GrantFiled: September 30, 2010Date of Patent: April 21, 2015Assignee: Saint-Gobain Glass FranceInventors: Andriy Kharchenko, Anne Durandeau, Nicolas Nadaud
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Publication number: 20140120341Abstract: A process for manufacturing glazing including a substrate provided with a coating including a layer consisting of a porous material, includes depositing on the substrate, via a physical vapor deposition (PVD) process in a vacuum chamber, a coating including a layer of a material including an element selected from Si, Ti, Sn, Al, Zr, In or a mixture of at least two of these elements, oxygen and carbon, the layer in addition optionally including hydrogen, heat treatment of the layer thus deposited, under conditions that enable at least one portion of the carbon to be removed and the layer of porous material to be obtained, wherein the deposition is carried out, on the substrate passing through the chamber, by the sputtering of a carbon target, under a reactive plasma atmosphere including a precursor of the element or elements.Type: ApplicationFiled: June 15, 2012Publication date: May 1, 2014Applicant: SAINT-GOBAIN GLASS FRANCEInventors: Andriy Kharchenko, Jean-Paul Rousseau, Antje Jung, Christian Bernhard Petersen
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Patent number: 8580355Abstract: The subject of the invention is a process for obtaining a material comprising a substrate and at least one at least partially crystalline titanium-oxide-based thin film deposited on a first side of said substrate, said process comprising the following steps: said at least one titanium-oxide-based thin film is deposited; said at least one titanium-oxide-based thin film is subjected to a crystallization treatment, supplying energy capable of raising each point of said at least one titanium-oxide-based thin film to a temperature of at least 300° C. while maintaining a temperature not exceeding 150° C.Type: GrantFiled: April 10, 2009Date of Patent: November 12, 2013Assignee: Saint-Gobain Glass FranceInventors: Anne Durandeau, Andriy Kharchenko, Nicolas Nadaud
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Publication number: 20130129945Abstract: The subject of the invention is a glazing unit comprising a glass substrate (1) equipped on one of its faces, intended to form face 1 of said glazing unit in the use position, with a thin-film multilayer comprising, from the substrate (1), a film (2) of a transparent electrically conductive oxide, an intermediate film (3) having a refractive index lying in the range from 1.40 to 1.55 and having an optical thickness Y, and a photocatalytic film (4) the optical thickness X of which is at most 50 nm, said optical thicknesses X and Y, expressed in nanometers, being such that: 110·e?0.025X?Y?135·e?0.Type: ApplicationFiled: July 20, 2011Publication date: May 23, 2013Applicant: SAINT-GOBAIN GLASS FRANCEInventors: Anne Durandeau, Andriy Kharchenko, Sebastien Roy, Hadia Gerardin, Anne Lorren
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Publication number: 20130115468Abstract: The subject of the invention is a process for obtaining a material comprising a substrate provided on at least one of its faces with a permanent coating comprising at least one thin film, said process comprising the following steps: said permanent coating is deposited on at least one of the faces of said substrate; then a temporary coating is deposited directly on top of said permanent coating, said temporary coating comprising, as the layer closest to the substrate, at least one thin film soluble in a solvent, surmounted by at least one functional layer; then the substrate thus coated is subjected to a heat treatment; and then said coated substrate is treated with said solvent so as to remove said temporary coating from the surface of said substrate.Type: ApplicationFiled: July 19, 2011Publication date: May 9, 2013Applicant: Saint-Gobain Glass FranceInventor: Andriy Kharchenko
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Publication number: 20120171439Abstract: The subject of the invention is a process for obtaining a substrate coated on at least part of its surface with at least one film of oxide of a metal M the physical thickness of which is 30 nm or less, said oxide film not being part of a multilayer comprising at least one silver film, said process comprising the following steps: at least one intermediate film of a material chosen from the metal M, a nitride of the metal M, a carbide of the metal M and an oxygen-substoichiometric oxide of the metal M is deposited by sputtering, said intermediate film not being deposited above or beneath a titanium-oxide-based film, the physical thickness of said intermediate film being 30 nm or less; and at least part of the surface of said intermediate film is oxidized using a heat treatment, during which said intermediate film is in direct contact with an oxidizing atmosphere, especially air, the temperature of said substrate during said heat treatment not exceeding 150° C.Type: ApplicationFiled: September 30, 2010Publication date: July 5, 2012Applicant: SAINT-GOBAIN GLASS FRANCEInventors: Andriy Kharchenko, Anne Durandeau, Nicolas Nadaud
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Publication number: 20120164443Abstract: The subject of the invention is a material comprising a glass substrate coated on at least one of its faces with a thin-film multilayer comprising, starting from said substrate, at least one lower dielectric layer, at least one functional layer made of a metal or metal nitride, at least one upper dielectric layer and at least one layer of titanium oxide at least partially crystallized in the anatase form, said metal or metal nitride being based on Nb, NbN, W, WN, Ta, TaN or any of their alloys or solid solutions.Type: ApplicationFiled: September 7, 2010Publication date: June 28, 2012Applicant: Saint-Gobain Glass FranceInventors: Anne Durandeau, Andriy Kharchenko, Bruno Mauvernay, Emilie Thollas, Etienne Sandre-Chardonnal, Pierre-Alain Gillet, Ulrich Billert
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Publication number: 20120094075Abstract: A method of obtaining a substrate coated on a first face with at least one transparent and electrically conductive thin layer based on at least one oxide, including depositing the at least one thin layer on the substrate and subjecting the at least one thin layer to a heat treatment in which the at least one layer is irradiated with aid of radiation having a wavelength between 500 and 2000 nm and focused on a zone of the at least one layer, at least one dimension of which does not exceed 10 cm. The radiation is delivered by at least one radiation device facing the at least one layer, a relative displacement being created between the radiation device and the substrate to treat the desired surface, the heat treatment being such that resistivity of the at least one layer is reduced during the treatment.Type: ApplicationFiled: June 4, 2010Publication date: April 19, 2012Applicant: SAINT-GOBAIN GLASS FRANCEInventors: Emmanuelle Peter, Andriy Kharchenko, Nicolas Nadaud
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Publication number: 20120087005Abstract: A process for producing a substrate coated on a face with a low-E thin film multilayer, the process including: depositing a thin-film multilayer containing a thin silver film between at least two thin dielectric films and an absorbent film on a face a substrate; and heat treating the coated face with laser radiation between 500 and 2000 nm to reduce at least one selected from the group of the emissivity and the sheet resistance of the multilayer by at least 5%, wherein the absorbent film at least partially absorbs the laser radiation so that the absorption of the multilayer the wavelength of the laser radiation is such that the absorption of a clear glass substrate 4 mm in thickness coated with the multilayer at the wavelength of the laser radiation is greater than or equal to 10%.Type: ApplicationFiled: June 11, 2010Publication date: April 12, 2012Applicant: SAINT-GOBAIN GLASS FRANCEInventors: Vincent Reymond, Andriy Kharchenko, Nicolas Nadaud
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Patent number: 7955687Abstract: The subject of the invention is the use of a material composed of a substrate equipped with a coating based on titanium oxide surmounted by a thin hydrophilic layer forming at least one part of the outer surface of said material and that is not composed of titanium oxide, as a material that prevents the deposition of mineral soiling on said outer surface in the absence of water runoff.Type: GrantFiled: October 20, 2006Date of Patent: June 7, 2011Assignee: Saint-Gobain Glass FranceInventors: Bernard Nghiem, Georges Zagdoun, Elin Sondergard, Ronan Garrec, Eddy Royer, Andriy Kharchenko, Anne Lelarge, Etienne Barthel