Patents Assigned to Commissariat á l'énergie atomique et aux énergies alternatives
  • Publication number: 20210376185
    Abstract: An optoelectronic device manufacturing method including the steps of: a) forming an active diode stack including first and second of opposite conductivity types; b) forming an integrated control circuit including a plurality of elementary control cells each including at least one MOS transistor; c) after steps a) and b), transferring the integrated control circuit onto the upper surface of the active diode stack; and d) after step c), forming trenches extending vertically through the integrated control circuit and emerging into or onto the first layer and delimiting a plurality of pixels each including a diode and an elementary control cell.
    Type: Application
    Filed: May 21, 2021
    Publication date: December 2, 2021
    Applicant: Commissariat à l'Énergie Atomique et aux Énergies Alternatives
    Inventors: Perrine Batude, Hubert Bono
  • Publication number: 20210367149
    Abstract: This method comprises the steps: a) provide a substrate (1); b) form a layer of a first block copolymer on the substrate (1), by a technique of self-assembly such that the first layer comprises a series of first lithographic patterns extending in a first direction; c) create a first mold comprising impressions formed from the series of first lithographic patterns; d) provide a structured layer comprising a series of patterns (30), conforming to the series of first lithographic patterns, and extending in the first direction; e) form a layer (4) of a second block copolymer (40, 41) on the structured layer by a technique of self-assembly such that the second layer (4) comprises a series of second lithographic patterns (40) extending in a second direction perpendicular to the first direction; f) create a second mold comprising impressions formed from the series of second lithographic patterns (40).
    Type: Application
    Filed: May 19, 2021
    Publication date: November 25, 2021
    Applicant: Commissariat à l'Energie Atomique et aux Energies Alternatives
    Inventors: Raluca TIRON, Gaëlle CHAMIOT-MAITRAL, Elisa VIANELLO
  • Publication number: 20210364663
    Abstract: The invention concerns a method for processing energy spectra of radiation transmitted by an object irradiated by an ionising radiation source, in particular X-ray radiation, for medical imaging or non-destructive testing applications. The method uses a detector comprising a plurality of pixels, each pixel being capable of acquiring a spectrum of the radiation transmitted by the object. The method makes it possible, based on a plurality of detected spectra, to estimate a spectrum, referred to as the scattering spectrum, representative of radiation scattered by the object. The estimation involves taking into account a spatial model of the scattering spectrum. Each acquired spectrum is corrected taking into account the estimated scattering spectrum. The invention makes it possible to reduce the influence of the scattering, by the object, of the spectrum emitted by the source.
    Type: Application
    Filed: October 7, 2019
    Publication date: November 25, 2021
    Applicants: COMMISSARIAT À L'ÉNERGIE ATOMIQUE ET AUX ÉNERGIES ALTERNATIVES, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, INSTITUT NATIONAL DES SCIENCES APPLIQUEES DE LYON
    Inventors: Odran PIVOT, Joachim TABARY, Clarisse FOURNIER, Jean Michel LETANG, Simon RIT
  • Patent number: 11180620
    Abstract: The invention relates to inorganic particles which are covalently bonded to first polymer chains made up of at least one polymer carrying proton exchange groups, optionally in the form of salts, and bonded to second polymer chains made up of at least one fluorinated polymer that does not carry any proton exchange groups, the second chains being bonded to the particles via organic spacer groups, or the second chains being bonded to first chains via organic spacer groups, or some of the second chains being bonded to the particles via organic spacer groups while the remaining second chains are bonded to first chains via organic spacer groups.
    Type: Grant
    Filed: January 24, 2018
    Date of Patent: November 23, 2021
    Assignees: COMMISSARIAT À L'ÉNERGIE ATOMIQUE ET AUX ÉNERGIES ALTERNATIVES, SPECIFIC POLYMERS
    Inventors: Pierrick Buvat, Janick Bigarré, Julien Cellier, Cédric Loubat, Quentin Crouzet
  • Patent number: 11181492
    Abstract: A device keeps an electrochemical cell under current and at operating temperature during an X-ray beam diffraction analysis of a first electrode, the cell comprising a solid electrolyte interposed between the electrodes. The device comprises: first and second interconnectors having contact faces contacting the electrodes, which allow a gas flow and exchange between the interconnectors and the electrodes. The contact face of the first interconnector allows an X-ray beam to pass to the first electrode. A thermal and atmospheric containment chamber has an inner cavity housing a stack formed from the cell between the interconnectors and a cover closing the cavity, provided with a window allowing X-rays to pass through, the first interconnector being intended to be arranged facing the cover. The contact face of each interconnector is a slotted element; slotted portions of the slotted element are uniformly arranged and form 30% to 80% of the element's surface area.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: November 23, 2021
    Assignee: COMMISSARIAT À L'ÉNERGIE ATOMIQUE ET AUX ÉNERGIES ALTERNATIVES
    Inventors: Julien Vulliet, Cécile Autret, Christophe Honstettre
  • Patent number: 11177994
    Abstract: The present disclosure relates to a polar phase or frequency modulator comprising: a normalized delay circuit (602) configured to delay edges of an input carrier signal (CLK_IN) based on normalized delay control values (?i) to generate a modulated output signal (RF_OUT); and a normalized delay calculator (604) configured to receive the modulated output signal (RF_OUT) and to generate the normalized delay control values (?i).
    Type: Grant
    Filed: August 31, 2020
    Date of Patent: November 16, 2021
    Assignee: COMMISSARIAT À L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventor: David Lachartre
  • Patent number: 11165354
    Abstract: The instant disclosure concerns a power converter including a capacitor having first and second electrodes respectively coupled to first and second input terminals via a current-limiting element; at least one normally-on transistor; a circuit for powering a circuit for controlling the normally-on transistor; and a switch configurable to, in a first configuration, couple first and second input terminals of the power supply circuit, respectively to the first and second input terminals of the converter, upstream of the current-limiting element and, in a second configuration, connect the first and second input terminals of the power supply circuit respectively to the first and second electrodes of the capacitor, downstream of the current-limiting element.
    Type: Grant
    Filed: January 29, 2020
    Date of Patent: November 2, 2021
    Assignee: Commissariat à l'Energie Atomique et aux Energies Alternatives
    Inventors: Pierre Perichon, Sébastien Carcouet
  • Patent number: 11165103
    Abstract: The invention relates to a method for regenerating the capacity of an electrochemical lithium battery, including the following steps: a) evaluating the quantity of lithium ions; b) when the evaluated lithium ion quantity is less than or equal to a threshold value, applying an electric current between the cathode or the anode and the container such as to cause the delithiation of the casing, the casing is also arranged to house an element providing both electric insulation and ionic conduction between the anode and cathode electrodes of the electrochemical cell and the casing, said casing including at least one lithium ion storage zone.
    Type: Grant
    Filed: January 27, 2015
    Date of Patent: November 2, 2021
    Assignee: COMMISSARIAT À L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventors: David Brun-Buisson, Sylvie Genies
  • Patent number: 11162971
    Abstract: A method for determining information regarding the displacement of an object from measurements provided by an accelerometer associated with the object. The method comprises the steps of detecting acceleration peaks in the measurements, of calculating one or more characteristics of the acceleration peaks detected, and of determining a mode of travel of the object from the characteristics of the acceleration peaks. The measurements undergo non-uniform resampling upon the detection of local extrema.
    Type: Grant
    Filed: March 20, 2019
    Date of Patent: November 2, 2021
    Assignee: COMMISSARIAT À L'ÉNERGIE ATOMIQUE ET AUX ÉNERGIES ALTERNATIVES
    Inventor: Sylvain Leirens
  • Patent number: 11158780
    Abstract: Thermal pattern sensor comprising several pixels located on a substrate, each pixel comprising a pyroelectric capacitance, the pyroelectric capacitance comprising, a layer of porous pyroelectric material located between a first electrically conducting electrode and a second electrically conducting electrode, particles made of a first material at least partially filling the pores of the layer of porous pyroelectric material, the first material being electrically insulating and having pyroelectric properties and a layer made of a second material being placed between the layer made of a pyroelectric material and the second electrode, the second material being electrically insulating and having pyroelectric properties.
    Type: Grant
    Filed: December 3, 2018
    Date of Patent: October 26, 2021
    Assignee: COMMISSARIAT À L'ÉNERGIE ATOMIQUE ET AUX ÉNERGIES ALTERNATIVES
    Inventor: Mohammed Benwadih
  • Patent number: 11158240
    Abstract: The invention concerns an emissive display device including: a transfer substrate including electric connection elements; and a plurality of semiconductor chips (310) fastened to the substrate and connected to the electric connection elements of the substrate for the control thereof, each chip including: a plurality of LEDs (120r, 120g, 120b); a first terminal (Vdata) of connection to the substrate intended to receive, for each LED of the chip, an individual signal (Vdatar, Vdatag, Vdatab) for setting the LED, the individual signals for setting the different LEDs of the chip being temporally multiplexed on said first terminal (Vdata); and a control circuit capable of demultiplexing the signals received on said first terminal and of applying to each LED of the chip a bias signal which is a function of the individual LED setting signal received on said first terminal (Vdata).
    Type: Grant
    Filed: April 4, 2018
    Date of Patent: October 26, 2021
    Assignee: COMMISSARIAT À L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventors: Umberto Rossini, Denis Sarrasin
  • Patent number: 11152605
    Abstract: Method for producing a positive electrode for a solid-state lithium microbattery comprising the following successive steps: supplying of a substrate made of ceramic, glass or silicon, locally covered with a metal layer, depositing of a cathodic layer made of a positive electrode material, for example made of mixed lithium oxide, the cathodic layer having a thickness greater than 1 ?m, a first portion of the cathodic layer covering the substrate and a second portion of the cathodic layer covering the metal layer, intended to form the positive electrode, carrying out of a heat treatment at a temperature greater than or equal to 400° C., on the cathodic layer, in such a way as to crystallise the second portion of the cathodic layer in order to form a positive electrode, and in such a way as to delaminate the first portion of the cathodic layer.
    Type: Grant
    Filed: February 14, 2019
    Date of Patent: October 19, 2021
    Assignee: COMMISSARIAT À L'ÉNERGIE ATOMIQUE ET AUX ÉNERGIES ALTERNATIVES
    Inventors: Messaoud Bedjaoui, Johnny Amiran, Nicolas Lopez
  • Patent number: 11152865
    Abstract: The instant disclosure concerns a power converter including: a primary stage (110) including at least one first cut-off switch (S11, S12, S13, S14); a control circuit (112) capable of applying a first control signal to said at least ore first switch; a secondary stage (130) including at least one second cut-off switch (S21, S22, S23, S24); a control circuit (132) capable of applying a second control signal to said at least one second switch; a power transmission stage (120) coupling the primary stage (110) to the secondary stage (130), wherein the control circuit (132) of the secondary stage is electrically isolated from the control circuit (112) of the primary stage.
    Type: Grant
    Filed: July 29, 2020
    Date of Patent: October 19, 2021
    Assignee: COMMISSARIAT À L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventors: Dominique Bergogne, Pierre Perichon, Léo Sterna
  • Patent number: 11152412
    Abstract: An image sensor including a plurality of pixels, each including: a semiconductor photodetection region; a metal region arranged on a first surface of the semiconductor region; a band-pass or band elimination interference filter arranged on a second surface of the semiconductor region opposite to the first surface; and between the semiconductor region and the metal region, a portion of the absorbing layer made of a material different from that of the semiconductor region, the absorbing layer being capable of absorbing, in a single passage, more than 30% of an incident radiation at the central wavelength of the pass band or of the stop band of the interference filter.
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: October 19, 2021
    Assignee: Commissariat à l'Énergie Atomique et aux Énergies Alternatives
    Inventors: Laurent Frey, Yvon Cazaux
  • Publication number: 20210318452
    Abstract: A method for identifying a static phase of a vehicle involves a first step of detecting the static phase without using measurements of a satellite geolocation unit, this first detection step involving checking that a first set of one or more conditions is satisfied, checking, repeatedly, that a second set of one or more conditions is satisfied, then so long as the second set of conditions is satisfied, executing a second step of detecting the static phase from the measurements of the satellite geolocation unit, so long as the second set of conditions is not satisfied, executing the first detection step and inhibiting the execution of the second detection step.
    Type: Application
    Filed: April 14, 2021
    Publication date: October 14, 2021
    Applicant: Commissariat à l'Energie Atomique et aux Energies Alternatives
    Inventor: Christophe VILLIEN
  • Patent number: 11146278
    Abstract: The invention concerns a frequency locked loop comprising: a digitally controlled oscillator (102) configured to generate a frequency signal (F); a frequency counter (310) configured to generate an estimate (f_EST) of the frequency of the frequency signal based on a reference clock signal (CLK_REF); and a controller (314) configured to generate a digital control signal (C_FREQ) for controlling the digitally controlled oscillator based on the estimated frequency, wherein the controller is clocked by a further clock signal (CLK) having a variable frequency, and the controller is configured to generate a trigger signal (AUTO_CLEAR) for triggering a counting phase of the frequency counter.
    Type: Grant
    Filed: November 27, 2018
    Date of Patent: October 12, 2021
    Assignee: Commissariat à l'Energie Atomique et aux Energies Alternatives
    Inventor: Ivan Miro Panades
  • Patent number: 11146186
    Abstract: The invention concerns a circuit for recuperating electrical energy from a mechanical resonator (402) comprising: a voltage inversion circuit (408) configured to invert the voltage across a capacitance (Cp) of the mechanical resonator, the voltage inversion circuit comprising: a capacitor (Cint); and a charge transfer circuit configured: to discharge a voltage of a first polarity held by the capacitance of the mechanical resonator to said capacitor during a first period; and to charge a voltage, of opposite polarity to the first polarity, to the capacitance of the mechanical resonator during a second period using the voltage potential stored by said capacitor during the first period; wherein the charge transfer circuit comprises an inductance and at least one switch controllable to limit the current passing through the inductance.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: October 12, 2021
    Assignee: COMMISSARIAT À L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventors: Adrien Morel, Gaël Pillonnet, Yohan Wanderoild
  • Patent number: 11143722
    Abstract: An optical-pumping magnetometer intended to measure an ambient magnetic field.
    Type: Grant
    Filed: February 26, 2020
    Date of Patent: October 12, 2021
    Assignee: COMMISSARIAT À L'ÉNERGIE ATOMIQUE ET AUX ÉNERGIES ALTERNATIVES
    Inventors: Gaëtan Lieb, Agustin Palacios Laloy
  • Patent number: 11139119
    Abstract: A supercapacitor comprising at least one cell formed of two electrodes of opposite polarity. The cell is formed from a positive electrode and a negative electrode made of activated carbon, between which an electrolyte composition is arranged comprising at least one nitrile solvent, at least one salt and also comprising at least one additive from the family of phosphazenes having at least one fluorine atom. One of the compositions comprises acetonitrile, a tetramethylammonium tetrafluoroborate salt and an additive, hexafluorocyclotriphosphazene at a concentration of 1 to 10%.
    Type: Grant
    Filed: August 20, 2018
    Date of Patent: October 5, 2021
    Assignee: COMMISSARIAT À L'ÉNERGIE ATOMIQUE ET AUX ÉNERGIES ALTERNATIVES
    Inventors: Matthieu Le Digabel, Agnés Biller, Nelly Penot
  • Patent number: 11139433
    Abstract: The invention concerns a solution of tungstate ions W6+ (VI) comprising as solvent at least one optionally partly etherified polyalcohol, a preparation method and uses thereof. The invention further concerns a layer comprising at least one tungsten oxide WOz comprising one or more polyoxotungstate complexes, methods for preparing the same and uses thereof, and in particular a photovoltaic device comprising said layer of material.
    Type: Grant
    Filed: January 12, 2017
    Date of Patent: October 5, 2021
    Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, COMMISSARIAT À L'ÉNERGIE ATOMIQUE ET AUX ÉNERGIES ALTERNATIVES, UNIVERSITE DE NANTES
    Inventors: Luc Brohan, Mireille Richard-Plouet, Moustafa El Kass, Noëlla Lemaitre, Solenn Berson