Patents Assigned to Commissariat à I'énergie atomique et aux energies alternatives
  • Publication number: 20220359782
    Abstract: A method of manufacturing an optoelectronic device including-light-emitting diodes comprising the forming of three-dimensional semiconductor elements made of a III-V compound, each comprising a lower portion and an upper portion and, for each semiconductor element, the forming of an active area covering the top of the upper portion and the forming of at least one semiconductor area of the III-V compound covering the active area. The upper portions are formed by vapor deposition at a pressure lower than 1.33 mPa.
    Type: Application
    Filed: June 25, 2020
    Publication date: November 10, 2022
    Applicants: Aledia, Commissariat à I'Énergie Atomique et aux Énergies Alternatives, Universite Grenoble Alpes
    Inventors: Bruno-Jules Daudin, Walf Chikhaoui, Marion Gruart, Philippe Gilet
  • Publication number: 20220329242
    Abstract: A circuit, intended to be associated in series with a load to be powered including a first field-effect transistor; at least one second field-effect transistor, associated in parallel with the first transistor; and at least one sensor of information representative of a current transmitted to said load, the gate of the second transistor being coupled to an output of the sensor.
    Type: Application
    Filed: September 4, 2020
    Publication date: October 13, 2022
    Applicant: Commissariat à I'Énergie Atomique et aux Énergies Alternatives
    Inventors: René Escoffier, Julien Buckley
  • Publication number: 20220313910
    Abstract: A blood glucose regulation system including a processing and control unit configured to implement an automated blood glucose regulation method, wherein the regulation method takes into account at least one hyperparameter having a default value, the value of said at least one hyperparameter being adjustable on the fly by the processing and control unit by means of an adjustment function, and wherein the processing and control circuit is configured to, after a regulation period: estimate the performance of the regulation method by means of at least one performance indicator; and adjust on the fly the value of said at least one hyperparameter according to said at least one performance indicator.
    Type: Application
    Filed: July 17, 2020
    Publication date: October 6, 2022
    Applicant: Commissariat à I'Énergie Atomique et aux Énergies Alternatives
    Inventors: Eléonore Maeva Doron, Gaelle Ardito, Emma Villeneuve
  • Publication number: 20220268847
    Abstract: A method of determining, for each cell of a battery of series-coupled cells, an indicator QCi representative of the charge stored in the cell, this method comprising: a) at the end of a phase of partial discharge or charge of the battery, measuring the voltage Ui across each cell of the battery; b) calculating, for each cell, an interpolation coefficient Xi from a value C_rate representative of the discharge or charge rate of the battery during said partial discharge or charge phase, and from the voltages Ui measured at step a); and c) determining, for each cell, from the interpolation coefficient Xi calculated for the cell at step b) and from a quantity Qcm representative of the charge stored in the battery, said indicator QCi representative of the charge stored in cell.
    Type: Application
    Filed: July 10, 2020
    Publication date: August 25, 2022
    Applicant: Commissariat à I'Énergie Atomique et aux Énergies Alternatives
    Inventor: Bruno Crouzevialle
  • Publication number: 20220271134
    Abstract: A transistor comprising a gallium nitride layer having a first gate electrode partially penetrating into it, having: a first side coated with a first thickness of a first insulating material and of a second insulating material; and with a second thickness of a conductive material; and a bottom coated with a third thickness, smaller than the first thickness, of the first insulating material.
    Type: Application
    Filed: February 9, 2022
    Publication date: August 25, 2022
    Applicant: Commissariat à I'Énergie Atomique et aux Énergies Alternatives
    Inventors: Blend Mohamad, René Escoffier
  • Publication number: 20220238753
    Abstract: A method of manufacturing an optoelectronic device including light-emitting diodes comprising forming three-dimensional semiconductor elements, extending along parallel axes, made of a III-V compound, with a polarity of the group-III element, the method further including, for each semiconductor element, forming an active area covering the semiconductor element and a stack of semiconductor layers covering the active area, the active area being formed by vapor deposition at low pressure and comprising quantum wells separated by barrier layers, each quantum well including a ternary alloy having at least one first group-III element, the group-V element, and a second group-III element, the ratio of the atomic flux of the group-III elements to the atomic flux of the group-V element is in the range from 1 to 1.8.
    Type: Application
    Filed: June 25, 2020
    Publication date: July 28, 2022
    Applicants: Aledia, Commissariat à I'Énergie Atomique et aux Énergies Alternatives, Universite Grenoble Alpes
    Inventors: Marion Gruart, Bruno-Jules Daudin, Walf Chikhaoui
  • Publication number: 20220234070
    Abstract: A method for depositing a layer of a nanocomposite material comprising the step of pouring said liquid material onto the surface of a substrate, said substrate being subjected to an oscillating rotary motion.
    Type: Application
    Filed: June 8, 2020
    Publication date: July 28, 2022
    Applicant: Commissariat à I'Énergie Atomique et aux Énergies Alternatives
    Inventor: Bernard Viala
  • Publication number: 20220231225
    Abstract: A selector for a memory cell, intended to change from a resistive state to a conductive state so as to respectively prohibit or authorize access to the memory cell, characterized in that it is made of an alloy consisting of germanium, selenium, arsenic and tellurium.
    Type: Application
    Filed: May 4, 2020
    Publication date: July 21, 2022
    Applicant: Commissariat à I'Énergie Atomique et aux Énergies Alternatives
    Inventors: Anthonin Verdy, Gilbert Sassine, Gabriel Molas, Gabriele Navarro
  • Publication number: 20220190026
    Abstract: A method of manufacturing an emissive screen comprising LEDs, including the steps of: a) depositing a first metal layer on a surface of a control circuit; b) depositing a second metal layer on a surface of an optoelectronic circuit; c) bonding the optoelectronic circuit to the control circuit by direct bonding of the second metal layer to the first metal layer, by aligning the optoelectronic circuit with respect to the control circuit so that different emission cells of the optoelectronic circuit are arranged opposite different metal connection pads of the control circuit; and d) forming, from the surface of the optoelectronic circuit opposite to the control circuit, trenches laterally delimiting each emission cell.
    Type: Application
    Filed: March 27, 2020
    Publication date: June 16, 2022
    Applicant: Commissariat à I'Énergie Atomique et aux Énergies Alternatives
    Inventors: François Levy, Bernard Aventurier, Yohan Desieres
  • Publication number: 20220181053
    Abstract: An electromagnetic material for an inductance for operation at cryogenic temperatures including, in an electrically insulating matrix, metal nanoparticles with superparamagnetic behavior of size less than or equal to 30 nm and having a magnetic permeability greater than or equal to 1.5 for a frequency between 5 GHz and 50 GHz.
    Type: Application
    Filed: December 6, 2021
    Publication date: June 9, 2022
    Applicant: Commissariat á I'Énergie Atomique et aux Énergies Alternatives
    Inventor: Bernard Viala
  • Publication number: 20220157612
    Abstract: A method of polishing a semiconductor substrate, including: a) a step of multiple implantations of ions from an upper surface of the substrate, to modify the material of an upper portion of the substrate, the multiple implantation step comprising a plurality of successive implantations under different respective implantation orientations; and b) a step of selective removal of the upper portion of the substrate.
    Type: Application
    Filed: November 18, 2021
    Publication date: May 19, 2022
    Applicant: Commissariat à I'Ènergie Atomique et aux Ènergies Alternatives
    Inventors: Shay Reboh, Jean-Michel Hartmann, Frederic Mazen, Frédéric Milesi
  • Publication number: 20220131541
    Abstract: A capacitive logic cell with complementary control, including a variable-capacitance electromechanical device having a fixed part and a mobile part, the electromechanical device comprising first, second, third and fourth electrodes mounted on the fixed part, and a fifth electrode mounted on the mobile part, the first electrode being connected to a terminal for supplying a first input logic signal, the second electrode being connected to a terminal for supplying a second input logic signal, complementary to the first input logic signal, the third electrode being connected to a terminal for supplying a first output logic signal, and the fourth electrode being connected to a terminal for supplying a second output logic signal, complementary to the first output logic signal.
    Type: Application
    Filed: October 26, 2021
    Publication date: April 28, 2022
    Applicant: Commissariat à I'Énergie Atomique et aux Énergies Alternatives
    Inventors: Gaël Pillonnet, Hervé Fanet
  • Publication number: 20220102826
    Abstract: A balun including first and second conductive tracks located vertically in line and at a distance from each other and having a same pattern.
    Type: Application
    Filed: September 24, 2021
    Publication date: March 31, 2022
    Applicant: Commissariat à I'Énergie Atomique et aux Énergies Alternatives
    Inventors: Lotfi Batel, Christophe Delaveaud
  • Publication number: 20220062551
    Abstract: An automated system for regulating a patient's blood glucose, including a blood glucose sensor, an insulin injection device, and a processing and control unit.
    Type: Application
    Filed: December 20, 2019
    Publication date: March 3, 2022
    Applicant: Commissariat à I'Énergie Atomique et aux Énergies Alternatives
    Inventors: Romain Blanc, Eléonore-Maeva Doron, Emma Villeneuve
  • Publication number: 20220020810
    Abstract: A device including first and second light-emitting cells respectively emitting in first and second wavelength ranges, wherein: each cell includes a stack of a first layer of a first semiconductor material and of a second layer of a second semiconductor material having a different mesh parameter; in the first cell, the first layer is in contact with the second layer across the entire surface of the cell; and in the second cell, a mask provided with a plurality of through nano-openings forms an interface between the first layer and the second layer, the second layer comprising a plurality of nanopillars of the second material arranged in the nano-openings of the mask, and a coalesced layer extending across substantially the entire surface of the cell on the side of the mask opposite to the first layer.
    Type: Application
    Filed: December 3, 2019
    Publication date: January 20, 2022
    Applicant: Commissariat à I'Énergie Atomique et aux Énergies Alternatives
    Inventor: Matthew Charles
  • Publication number: 20220003527
    Abstract: This installation for locating impacts comprises an interactive plate, at least three transducers arranged and distributed against the interactive plate in order to pick up progressive mechanical waves propagating therein and to transform them into electrical signals, and an electronic central unit programmed to locate an impact in the interactive plate by an analysis of the electrical signals that it receives from the transducers. It further includes an additional plate attached to the front face of the interactive plate and having an impact-receiving zone, and means for attaching the additional plate to the interactive plate, configured to ensure contact against the entire portion of the front face of the interactive plate located opposite the impact-receiving zone of the additional plate.
    Type: Application
    Filed: November 8, 2019
    Publication date: January 6, 2022
    Applicant: Commissariat à I'énergie atomique et aux énergies alternatives
    Inventors: Jean-Marc ALEXANDRE, Robert BODEN (Deceased), Christian BOLZMACHER
  • Publication number: 20210384061
    Abstract: A method of temporary bonding of an object having first and second opposite surfaces successively including bonding the object to a handle on the side of the first surface, bonding the object to a first adhesive film on the side of the second surface, bonding the first adhesive film to a second adhesive film on the side opposite to the object, and removing the handle from the object.
    Type: Application
    Filed: June 8, 2021
    Publication date: December 9, 2021
    Applicant: Commissariat à I'Énergie Atomique et aux Énergies Alternatives
    Inventors: Pierre Montmeat, Frank Fournel, Laurent Bally, Thierry Enot
  • Publication number: 20210366851
    Abstract: A method of treatment of an electronic circuit including at a location at least one electrically-conductive test pad having a first exposed surface. The method includes the at least partial etching of the test pad from the first surface, and the forming on the electronic circuit of an interconnection level covering said location and including, on the side opposite to said location, a second planar surface adapted for the performing of a hybrid molecular bonding.
    Type: Application
    Filed: May 14, 2021
    Publication date: November 25, 2021
    Applicant: Commissariat à I'Énergie Atomique et aux Énergies Alternatives
    Inventors: Emilie Bourjot, Amandine Jouve, Frank Fournel, Christophe Dubarry
  • Publication number: 20210320221
    Abstract: A method of manufacturing an electronic device, including the successive steps of: a) performing an ion implantation of indium or of aluminum into an upper portion of a first single-crystal gallium nitride layer, to make the upper portion of the first layer amorphous and to preserve the crystal structure of a lower portion of the first layer; and b) performing a solid phase recrystallization anneal of the upper portion of the first layer, resulting in transforming the upper portion of the first layer into a crystalline indium gallium nitride or aluminum gallium nitride layer.
    Type: Application
    Filed: September 17, 2019
    Publication date: October 14, 2021
    Applicant: Commissariat à I'Énergie Atomique et aux Énergies Alternatives
    Inventor: Hubert Bono
  • Publication number: 20210275743
    Abstract: An automated system for controlling a patient's blood glucose, including a processing and control unit configured to predict the future trend of the patient's blood glucose based on a physiological model, wherein the physiological model includes a differential equation system describing the time variation of a plurality of state variables, and wherein at least one of the equations of the system takes as an input a variable EE(t) representative of the time variation of the patient's energy expenditure.
    Type: Application
    Filed: June 27, 2019
    Publication date: September 9, 2021
    Applicant: Commissariat à I'Énergie Atomique et aux Énergies Alternatives
    Inventors: Hector-Manuel Romero Ugalde, Eléonore Maeva Doron, Stéphane Bonnet, Romain Blanc, Chantal Simon, Mael Garnotel