Patents by Inventor Paul Henri Haumesser
Paul Henri Haumesser 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: 11705484Abstract: A nanowire structure that includes a conductive layer; conductive wires having first ends that contact the conductive layer and second ends that protrude from the conductive layer; and a lateral bridge layer that connects laterally a number of the conductive wires to provide a substantially uniform spacing between the conductive wires.Type: GrantFiled: May 21, 2021Date of Patent: July 18, 2023Assignees: MURATA MANUFACTURING CO., LTD., COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Julien El Sabahy, Frédéric Voiron, Paul-Henri Haumesser, Pierre Noe, Guy Parat
-
Patent number: 11427915Abstract: Method for metallising a porous structure made of carbon material, the method comprising the following steps: supplying a porous structure made of carbon material, immersing the porous structure in a solution comprising an ionic liquid, formed by a cation and an anion, and a metal precursor, placing the porous structure in a vacuum, immersed in the solution, in such a way as to cause the solution to penetrate into the porosity of the porous structure, adding a hydrogenated reducing agent, in such a way as to metallise the porous structure to within the porosity of the porous structure.Type: GrantFiled: December 12, 2018Date of Patent: August 30, 2022Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Paul-Henri Haumesser, Jean Dijon, Raphael Ramos
-
Publication number: 20210280670Abstract: A nanowire structure that includes a conductive layer; conductive wires having first ends that contact the conductive layer and second ends that protrude from the conductive layer; and a lateral bridge layer that connects laterally a number of the conductive wires to provide a substantially uniform spacing between the conductive wires.Type: ApplicationFiled: May 21, 2021Publication date: September 9, 2021Inventors: Julien El Sabahy, Frédéric Voiron, Paul-Henri Haumesser, Pierre Noe, Guy Parat
-
Publication number: 20190186017Abstract: Method for metallising a porous structure made of carbon material, the method comprising the following steps: supplying a porous structure made of carbon material, immersing the porous structure in a solution comprising an ionic liquid, formed by a cation and an anion, and a metal precursor, placing the porous structure in a vacuum, immersed in the solution, in such a way as to cause the solution to penetrate into the porosity of the porous structure, adding a hydrogenated reducing agent, in such a way as to metallise the porous structure to within the porosity of the porous structure.Type: ApplicationFiled: December 12, 2018Publication date: June 20, 2019Inventors: Paul-Henri Haumesser, Jean Dijon, Raphael Ramos
-
Patent number: 9017448Abstract: The invention relates to a composition for synthesizing bimetallic nanoparticles, wherein the composition contains a first organometallic precursor and a second organometallic precursor having different decomposition rates and contained within an ionic liquid solution. The invention also relates to a method for synthesizing bimetallic nanoparticles, in which the composition is transformed under a hydrogen gas pressure between 0.1 and 10 MPa at a temperature between 0 and 150° C. until a suspension of bimetallic nanoparticles is obtained. The resulting nanoparticles are useful in diverse fields including the fields of catalysis and microelectronics.Type: GrantFiled: April 20, 2012Date of Patent: April 28, 2015Assignees: Commissariat a l'Energie Atomique et aux Energies Alternatives, CNRS—Centre National de la Recherche Scientifique, Universite Claude Bernard Lyon 1, CPE LyonInventors: Philippe Arquilliere, Paul-Henri Haumesser, Inga Helgadottir, Catherine Santini
-
Publication number: 20140370678Abstract: A method for producing a memory device with nanoparticles, comprising the steps of: a) forming, in a semi-conductor substrate, source and drain regions, and at least one first dielectric on a zone of the substrate arranged between the source and drain regions and intended to form a channel of the memory device, b) deposition of an ionic liquid, comprising nanoparticles of an electrically conductive material in suspension, covering the first dielectric, c) formation of a deposition of nanoparticles on the first dielectric, d) removal of the remaining ionic liquid, e) forming a second dielectric and a control gate on at least one part of the deposition of nanoparticles.Type: ApplicationFiled: August 29, 2014Publication date: December 18, 2014Applicants: COMMISSARIAT A L'ENERGIE ATOMIQUE AUX ENERGIES, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUEInventors: Simon Deleonibus, Jean-Marie Basset, Paul Campbell, Thibaut Gutel, Paul-Henri Haumesser, Gilles Marchand, Catherine Santini
-
Patent number: 8518816Abstract: A method for making electrical interconnections of carbon nanotubes, including a) depositing an ionic liquid including nanoparticles of at least one suspended electrically conducting material, covering at least one surface of an element configured to be used as a support for carbon nanotubes, b) forming a deposit of the nanoparticles at least against the surface of the element, c) removing the remaining ionic liquid, d) growing carbon nanotubes from the deposited nanoparticles, and further including between the c) removing the remaining ionic liquid and the d) growing carbon nanotubes, passivating the deposited nanoparticles not found against the surface of the element.Type: GrantFiled: March 24, 2010Date of Patent: August 27, 2013Assignees: Commissariat a l'Energie Atomique et aux Energies Alternatives, Centre National de la Recherche ScientifiqueInventors: Paul-Henri Haumesser, Jean-Marie Basset, Paul Campbell, Simon Deleonibus, Thibaut Gutel, Gilles Marchand, Catherine Santini
-
Patent number: 8389368Abstract: A method for producing a memory device with nanoparticles, including steps of: a) forming, in a substrate based on at least one semi-conductor, source and drain regions, and at least one first dielectric on at least one zone of the substrate arranged between the source and drain regions and intended to form a channel of the memory device, b) depositing of at least one ionic liquid that is an organic salt or mixture of organic salts in a liquid state, wherein nanoparticles of at least one electrically conductive material are suspended in the ionic liquid, said ionic liquid covering at least said first dielectric, c) forming a deposition of said nanoparticles at least on said first dielectric, d) removing the ionic liquid remaining on the first dielectric, and e) forming at least one second dielectric and at least one control gate on at least one part of the nanoparticles deposited on the first dielectric.Type: GrantFiled: March 19, 2010Date of Patent: March 5, 2013Assignees: Commissariat à l'énergie atomique et aux energies alternatives, Centre National de la Recherche ScientifiqueInventors: Simon Deleonibus, Jean-Marie Basset, Paul Campbell, Thibaut Gutel, Paul-Henri Haumesser, Gilles Marchand, Catherine Santini
-
Publication number: 20120295110Abstract: The invention relates to a composition for synthesizing bimetallic nanoparticles, wherein the composition contains a first organometallic precursor and a second organometallic precursor having different decomposition rates and contained within an ionic liquid solution. The invention also relates to a method for synthesizing bimetallic nanoparticles, in which the composition is transformed under a hydrogen gas pressure between 0.1 and 10 MPa at a temperature between 0 and 150° C. until a suspension of bimetallic nanoparticles is obtained. The resulting nanoparticles are useful in diverse fields including the fields of catalysis and microelectronics.Type: ApplicationFiled: April 20, 2012Publication date: November 22, 2012Applicants: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENE ALT, CPE LYON, UNIVERSITE CLAUDE BERNARD LYON 1, CNRS -Centre National de la Recherche ScientifiqueInventors: Philippe Arquilliere, Paul-Henri Haumesser, Inga Helgadottir, Catherine Santini
-
Publication number: 20120094479Abstract: A method for making electrical interconnections of carbon nanotubes, including a) depositing an ionic liquid including nanoparticles of at least one suspended electrically conducting material, covering at least one surface of an element configured to be used as a support for carbon nanotubes, b) forming a deposit of the nanoparticles at least against the surface of the element, c) removing the remaining ionic liquid, d) growing carbon nanotubes from the deposited nanoparticles, and further including between the c) removing the remaining ionic liquid and the d) growing carbon nanotubes, passivating the deposited nanoparticles not found against the surface of the element.Type: ApplicationFiled: March 24, 2010Publication date: April 19, 2012Applicants: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENE ALTInventors: Paul-Henri Haumesser, Jean-Marie Basset, Paul Campbell, Simon Deleonibus, Thibaut Gutel, Gilles Marchand, Catherine Santini
-
Publication number: 20110033996Abstract: A method for producing a memory device with nanoparticles, comprising the steps of: a) forming, in a semi-conductor substrate, source and drain regions, and at least one first dielectric on a zone of the substrate arranged between the source and drain regions and intended to form a channel of the memory device, b) deposition of an ionic liquid, comprising nanoparticles of an electrically conductive material in suspension, covering the first dielectric, c) formation of a deposition of nanoparticles on the first dielectric, d) removal of the remaining ionic liquid, e) forming a second dielectric and a control gate on at least one part of the deposition of nanoparticles.Type: ApplicationFiled: March 19, 2010Publication date: February 10, 2011Applicants: COMMISSARIAT A L' ENERGIE ATOMIQUE ET AUX ENERGIES, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUEInventors: Simon DELEONIBUS, Jean-Marie Basset, Paul Campbell, Thibaut Gutel, Paul-Henri Haumesser, Gilles Marchand, Catherine Santini
-
Publication number: 20060211236Abstract: The present invention relates to a process for coating a surface of a substrate with a seed film of a metallic material, the said surface being an electrically conductive or semiconductive surface and having recesses and/or projections. The process comprises the following: an organic film is placed on the said surface, the said film having a thickness such that the free face of this film conformally follows the recesses and/or projections of the said electrically conductive or semiconductive surface on which it is placed; a precursor of the metallic material is inserted within the said organic film placed on the said surface at the same time as, or after, the step consisting in placing the said organic film on the said surface; and the said precursor of the metallic material inserted within the said organic film is converted into the said metallic material. This process allows integrated circuits, interconnects in microelectronics and microsystems to be fabricated.Type: ApplicationFiled: February 13, 2004Publication date: September 21, 2006Applicant: ALCHIMER S.A. 15, rue du Buisson aux Fraises- ZIInventors: Christophe Bureau, Paul-Henri Haumesser, Sylvain Maitrejean, Thierry Mourier
-
Patent number: 6510169Abstract: A crystalline material for optically pumped solid state lasers has the chemical composition of M3RE1-x Ybx(BO3)3, where M is selected from the group Mg, Ca, Sr, Ba, and Ra, optionally replaced at least partially with another element from this group, RE is selected from the group Sc, Y, Lu, and Y partially replaced with Lu, and x is greater than or equal to 0 and less than or equal to 1. The material is useful for preparing lasers having high average initial power and short pulse duration, and has flat amplification and fluorescence spectra, high thermal conductivity and a large emission cross-section.Type: GrantFiled: February 14, 2001Date of Patent: January 21, 2003Assignee: Forschungsinstitut fur Mineralische und Metallische Werkstoffe Edelsteine/Edemetalle GmbHInventors: Paul Henri Haumesser, Romain Gaume, Bruno Viana, Gerard Aka, Daniel Vivien
-
Publication number: 20020110168Abstract: A crystalline material for optically pumped solid state lasers has the chemical composition of M3RE1−xYbx(BO3)3, where M is selected from the group Mg, Ca, Sr, Ba, and Ra, optionally replaced at least partially with another element from this group, RE is selected from the group Sc, Y, Lu, and Y partially replaced with Lu, and x is greater than or equal to 0 and less than or equal to 1. The material is useful for preparing lasers having high average initial power and short pulse duration, and has flat amplification and fluorescence spectra, high thermal conductivity and a large emission cross-section.Type: ApplicationFiled: February 14, 2001Publication date: August 15, 2002Inventors: Paul Henri Haumesser, Romain Gaume, Bruno Viana, Gerard Aka, D. Vivien