Patents by Inventor Frederic Guernalec

Frederic Guernalec 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: 11078113
    Abstract: A method of treatment using a beam of singly- and multiply-charged gas ions produced by an electron cyclotron resonance (ECR) source of a glass material in which the ion acceleration voltage of between 5 kV and 1000 kV is chosen to create an implanted layer of a thickness equal to a multiple of 100 nm; and the ion dose per surface unit in a range of between 1012 ions/cm2 and 1018 ions/cm2 is chosen so as to create an atomic concentration of ions equal to 10% with a level of uncertainty of (+/?)5%. Advantageously this makes it possible to obtain materials made from glass that are non-reflective in the visible range.
    Type: Grant
    Filed: May 10, 2018
    Date of Patent: August 3, 2021
    Assignee: IONICS FRANCE
    Inventors: Denis Busardo, Frederic Guernalec
  • Patent number: 10982312
    Abstract: A treatment method of a sapphire material, said method comprising bombardment of a surface of the sapphire material, said surface facing a medium different from the sapphire material, by a single- and/or multi-charged gas ion beam so as to produce an ion implanted layer in the sapphire material, wherein the ions are selected from ions of the elements from the list consisting of helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), boron (B), carbon (C), nitrogen (N), oxygen (O), fluorine (F), silicon (Si), phosphorus (P) and sulphur (S). Use of said method to obtain a capacitive touch panel having a high transmission in the visible range.
    Type: Grant
    Filed: March 23, 2015
    Date of Patent: April 20, 2021
    Assignee: IONICS FRANCE
    Inventors: Denis Busardo, Frederic Guernalec
  • Patent number: 10737242
    Abstract: A method of treating a powder (P) made from cerium oxide using an ion beam (F) in which: —the powder is stirred once or a plurality of times; —the ions of the ion beam are selected from the ions of the elements of the list consisting of helium (He), boron (B), carbon (C), nitrogen (N), oxygen (O), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe)—the acceleration voltage of the ions of the beam is between 10 kV and 1000 kV; —the treatment temperature of the powder (P) is less than or equal to Tf/3; —the ion dose per mass unit of powder to be treated is chosen from a range of between 1016 ions/g and 1022 ions/cm2 so as to lower the reduction temperature of the powder made from cerium oxide (P).
    Type: Grant
    Filed: April 30, 2018
    Date of Patent: August 11, 2020
    Assignee: IONICS FRANCE
    Inventors: Denis Busardo, Frederic Guernalec
  • Patent number: 10703674
    Abstract: The invention concerns a process for increasing the scratch resistance of a glass substrate by implantation of simple charge and multicharge ions, comprising maintaining the temperature of the area of the glass substrate being treated at a temperature that is less than or equal to the glass transition temperature of the glass substrate, selecting the ions to be implanted among the ions of Ar, He, and N, setting the acceleration voltage for the extraction of the ions at a value comprised between 5 kV and 200 kV and setting the ion dosage at a value comprised between 1014 ions/cm2 and 2.5×1017 ions/cm2.The invention further concerns glass substrates comprising an area treated by implantation of simple charge and multicharge ions according to this process and their use for reducing the probability of scratching on the glass substrate upon mechanical contact.
    Type: Grant
    Filed: October 21, 2015
    Date of Patent: July 7, 2020
    Assignees: AGC GLASS EUROPE, AGC Inc., QUERTECH INGENIERIE
    Inventors: Benjamine Navet, Pierre Boulanger, Lionel Ventelon, Denis Busardo, Frederic Guernalec
  • Patent number: 10196731
    Abstract: A treatment method for modifying the reflected color of a sapphire material surface comprising bombardment by a single- and/or multi-charged gas ion beam so as to modify the reflected color of the treated sapphire material surface, wherein the ions are selected from ions of the elements from the list consisting of helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), boron (B), carbon (C), nitrogen (N), oxygen (O), fluorine (F), silicon (Si), phosphorus (P) and sulphur (S).
    Type: Grant
    Filed: May 22, 2015
    Date of Patent: February 5, 2019
    Assignee: IONICS FRANCE
    Inventors: Frederic Guernalec, Denis Busardo
  • Publication number: 20180265404
    Abstract: A method of treatment using a beam of singly- and multiply-charged gas ions produced by an electron cyclotron resonance (ECR) source of a glass material in which —the ion acceleration voltage of between 5 kV and 1000 kV is chosen to create an implanted layer of a thickness equal to a multiple of 100 nm; —the ion dose per surface unit in a range of between 1012 ions/cm2 and 1018 ions/cm2 is chosen so as to create an atomic concentration of ions equal to 10% with a level of uncertainty of (+/?)5%.
    Type: Application
    Filed: May 10, 2018
    Publication date: September 20, 2018
    Inventors: Denis Busardo, Frederic Guernalec
  • Publication number: 20180243726
    Abstract: A method of treating a powder (P) made from cerium oxide using an ion beam (F) in which: —the powder is stirred once or a plurality of times; —the ions of the ion beam are selected from the ions of the elements of the list consisting of helium (He), boron (B), carbon (C), nitrogen (N), oxygen (O), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe)—the acceleration voltage of the ions of the beam is between 10 kV and 1000 kV; —the treatment temperature of the powder (P) is less than or equal to Tf/3; —the ion dose per mass unit of powder to be treated is chosen from a range of between 1016 ions/g and 1022 ions/cm2 so as to lower the reduction temperature of the powder made from cerium oxide (P).
    Type: Application
    Filed: April 30, 2018
    Publication date: August 30, 2018
    Inventors: Denis Busardo, Frederic Guernalec
  • Patent number: 9988305
    Abstract: A method of treatment using a beam of singly- and multiply-charged gas ions produced by an electron cyclotron resonance (ECR) source of a glass material in which—the ion acceleration voltage of between 5 kV and 1000 kV is chosen to create an implanted layer of a thickness equal to a multiple of 100 nm; —the ion dose per surface unit in a range of between 1012 ions/cm2 and 1018 ions/cm2 is chosen so as to create an atomic concentration of ions equal to 10% with a level of uncertainty of (+/?)5%. Advantageously this makes it possible to obtain materials made from glass that is non-reflective in the visible range.
    Type: Grant
    Filed: February 12, 2014
    Date of Patent: June 5, 2018
    Assignee: IONICS FRANCE
    Inventors: Denis Busardo, Frederic Guernalec
  • Patent number: 9981249
    Abstract: A method of treating a powder (P) made from cerium oxide using an ion beam (F) in which: —the powder is stirred once or a plurality of times; —the ions of the ion beam are selected from the ions of the elements of the list consisting of helium (He), boron (B), carbon (C), nitrogen (N), oxygen (O), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe)—the acceleration voltage of the ions of the beam is between 10 kV and 1000 kV; —the treatment temperature of the powder (P) is less than or equal to Tf/3; —the ion dose per mass unit of powder to be treated is chosen from a range of between 1016 ions/g and 1022 ions/cm2 so as to lower the reduction temperature of the powder made from cerium oxide (P).
    Type: Grant
    Filed: July 24, 2014
    Date of Patent: May 29, 2018
    Assignee: IONICS FRANCE
    Inventors: Denis Busardo, Frederic Guernalec
  • Publication number: 20170334775
    Abstract: The invention concerns a process for increasing the scratch resistance of a glass substrate by implantation of simple charge and multicharge ions, comprising maintaining the temperature of the area of the glass substrate being treated at a temperature that is less than or equal to the glass transition temperature of the glass substrate, selecting the ions to be implanted among the ions of Ar, He, and N, setting the acceleration voltage for the extraction of the ions at a value comprised between 5 kV and 200 kV and setting the ion dosage at a value comprised between 1014 ions/cm2 and 2.5×1017 ions/cm2.The invention further concerns glass substrates comprising an area treated by implantation of simple charge and multicharge ions according to this process and their use for reducing the probability of scratching on the glass substrate upon mechanical contact.
    Type: Application
    Filed: October 21, 2015
    Publication date: November 23, 2017
    Applicants: AGC GLASS EUROPE, ASAHI GLASS CO LTD, QUERTECH INGENIERIE
    Inventors: Benjamine NAVET, Pierre BOULANGER, Lionel VENTELON, Denis BUSARDO, Frederic GUERNALEC
  • Publication number: 20170114442
    Abstract: A treatment method for modifying the reflected colour of a sapphire material surface comprising bombardment by a single- and/or multi-charged gas ion beam so as to modify the reflected colour of the treated sapphire material surface, wherein the ions are selected from ions of the elements from the list consisting of helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), boron (B), carbon (C), nitrogen (N), oxygen (O), fluorine (F), silicon (Si), phosphorus (P) and sulphur (S).
    Type: Application
    Filed: May 22, 2015
    Publication date: April 27, 2017
    Inventors: Frederic Guernalec, Denis Busardo
  • Publication number: 20160193589
    Abstract: A method of treating a powder (P) made from cerium oxide using an ion beam (F) in which: the powder is stirred once or a plurality of times; the ions of the ion beam are selected from the ions of the elements of the list consisting of helium (He), boron (B), carbon (C), nitrogen (N), oxygen (O), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe) the acceleration voltage of the ions of the beam is between 10 kV and 1000 kV; the treatment temperature of the powder (P) is less than or equal to Tf/3; the ion dose per mass unit of powder to be treated is chosen from a range of between 1016 ions/g and 1022 ions/cm2 so as to lower the reduction temperature of the powder made from cerium oxide (P).
    Type: Application
    Filed: July 24, 2014
    Publication date: July 7, 2016
    Applicant: QUERTECH
    Inventors: Denis Busardo, Frederic Guernalec
  • Publication number: 20150376058
    Abstract: A method of treatment using a beam of singly- and multiply-charged gas ions produced by an electron cyclotron resonance (ECR) source of a glass material in which the ion acceleration voltage of between 5 kV and 1000 kV is chosen to create an implanted layer of a thickness equal to a multiple of 100 nm; the ion dose per surface unit in a range of between 1012 ions/cm2 and 1018 ions/cm2 is chosen so as to create an atomic concentration of ions equal to 10% with a level of uncertainty of (+/?)5%. Advantageously this makes it possible to obtain materials made from glass that is non-reflective in the visible range.
    Type: Application
    Filed: February 12, 2014
    Publication date: December 31, 2015
    Applicant: QUERTECH
    Inventors: Denis Busardo, Frederic Guernalec
  • Publication number: 20110318576
    Abstract: The invention relates to a method for treating at least one surface of a solid elastomer part using helium ions. According to the invention, multi-energy ions He+ and He2+ are implanted simultaneously, and the ratio RHe, where RHe=HeVHe2+ with He+ et He2+ expressed in atomic percentage, is less than or equal to 100, for example less than 20, resulting in very significant reductions in the frictional properties of parts treated in this way. The He+ and He2+ ions are supplied, for example, by an ECR source.
    Type: Application
    Filed: March 5, 2010
    Publication date: December 29, 2011
    Applicant: QUERTECH INGENIERIE
    Inventors: Denis Busardo, Frederic Guernalec
  • Publication number: 20090212238
    Abstract: The invention relates to a device for implanting ions in an aluminium alloy part (5), said device comprising an ion source (6) supplying ions accelerated by an extraction voltage, and first means for regulating (7-11) an initial beam (f1?) of ions emitted by said source (6) to form an implantation beam (f1). The source (6) is an electronic cyclotronic resonance source generating the initial beam (f1?) of multi-energy ions that are implanted in the part (5) at a temperature below 120° C. The implantation of said multi-energy ions of the implantation beam (f1) regulated by the regulating means (7-11) is simultaneously carried out at a depth controlled by the extraction voltage of the source.
    Type: Application
    Filed: February 2, 2005
    Publication date: August 27, 2009
    Inventors: Frederic Guernalec, Denis Busardo