Patents Assigned to Commissariat à l'énergie atomique et aux énergies alternative
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Publication number: 20230176236Abstract: An X-ray imaging device, including: a transfer substrate including electric connection elements; an array of pixels, each including a monolithic elementary chip bonded and electrically connected to elements of electric connection of the transfer substrate, and a photodiode formed on the transfer substrate and electrically connected to the elementary chip; and a scintillator coating the pixel array, wherein, in each pixel, the elementary chip includes an integrated circuit for reading from the pixel photodiode.Type: ApplicationFiled: November 23, 2022Publication date: June 8, 2023Applicant: Commissariat à l'Énergie Atomique et aux Énergies AlternativesInventors: François Templier, Loick Verger, Eric Gros-Daillon, Sébastien Becker
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Publication number: 20230176237Abstract: An X-ray imaging device, including: a transfer substrate including electric connection elements; an array of pixels, each including a monolithic elementary chip bonded and electrically connected to elements of electric connection of the transfer substrate, and a direct conversion X photon detector electrically connected to the elementary chip, wherein, in each pixel, the elementary chip includes an integrated circuit for reading from the detector of the pixel.Type: ApplicationFiled: November 23, 2022Publication date: June 8, 2023Applicant: Commissariat à l'Énergie Atomique et aux Énergies AlternativesInventors: François Templier, Loick Verger, Eric Gros-Daillon, Sébastien Becker
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Publication number: 20230180616Abstract: A converter of an input voltage into at least one output voltage, including a pair of first and second piezoelectric assemblies; a first bridge including two first switching branches each having at least one first switch; a second bridge including two second switching branches each having at least one second switch; each piezoelectric assembly including a first end connected to the first bridge and a second end connected to the second bridge; each first switch being connected between a terminal of the input voltage and a first end; each second switch being connected between a terminal of the output voltage and a second end.Type: ApplicationFiled: December 5, 2022Publication date: June 8, 2023Applicant: Commissariat à l'énergie atomique et aux énergies alternativesInventors: Ghislain DESPESSE, Mustapha TOUHAMI, Valentin BRETON
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Publication number: 20230176081Abstract: An automated system for preparing a biological sample containing biological species, and including a support plate wherein one or more through-wells are made, each through-well having two opposite accesses, a first access and a second access, the first access being separated from the second access by a filter-forming porous wall against which the biological sample that is to undergo lysis may be placed, and, for each well: a first mobile member, that can be actuated to move translationally along the axis of the well so as to become inserted across the first access thereof, a second mobile member, that can be actuated to move translationally along the axis of the well so as to become inserted across the second access thereof, stimulation means of mechanical and/or thermal type for stimulating each first mobile member and/or each second mobile member and/or the support plate.Type: ApplicationFiled: December 2, 2022Publication date: June 8, 2023Applicant: Commissariat à l'Energie Atomique et aux Energies AlternativesInventors: Anne-Gaëlle BOURDAT, Mélissa BAQUE, Thomas BORDY
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Publication number: 20230173471Abstract: A composite material made of an amorphous (bi)metal sulfide nanoparticles directly linked, through coordinate covalent bonds, to a sulfur-containing polymer and a method of preparation of the composite material. The composite material can also be used as a catalyst for hydrogen production. Finally, a proton-exchange membrane (PEM) electrolyser and a photoelectrochemical cell, can both including the composite material.Type: ApplicationFiled: April 28, 2021Publication date: June 8, 2023Applicants: TOYOTA MOTOR EUROPE, COMMISSARIAT À L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUEInventors: Adina MOROZAN, Hannah JOHNSON, Sachin KINGE, Vincent ARTERO
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Patent number: 11670540Abstract: Substrates may include a useful layer affixed to a support substrate. A surface of the useful layer located on a side of the useful layer opposite the support substrate may include a first region and a second region. The first region may have a first surface roughness, may be located proximate to a geometric center of the surface, and may occupy a majority of an area of the surface. The second region may have a second, higher surface roughness, may be located proximate to a periphery of the surface, and may occupy a minority of the area of the surface.Type: GrantFiled: March 2, 2021Date of Patent: June 6, 2023Assignees: Soitec, Commissariat à l'Énergie Atomique et aux Énergies AlternativesInventors: Didier Landru, Nadia Ben Mohamed, Oleg Kononchuk, Frédéric Mazen, Damien Massy, Shay Reboh, François Rieutord
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Patent number: 11671005Abstract: A method of controlling first and second switches of a switching cell, including measuring a current flowing through the first switch when the first switch is controlled to the off state, and setting a switching dead time according to the measurement.Type: GrantFiled: November 17, 2020Date of Patent: June 6, 2023Assignee: Commissariat à l'Énergie Atomique et aux Énergies AlternativesInventors: Guillaume Lefevre, Guillaume Piquet-Boisson
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Patent number: 11670912Abstract: A photonic circuit with a hybrid III-V on silicon or silicon-germanium active section, that comprises an amplifying medium with a III-V heterostructure (1, QW, 2) and an optical wave guide. The wave guide comprises a coupling section (31) facing a central portion of the amplifying medium, a propagation section (34, 35) and a modal transition section (32, 33) arranged between the coupling section and the propagation section. In the modal transition section, the optical wave guide widens progressively from the propagation section towards the coupling section.Type: GrantFiled: September 9, 2020Date of Patent: June 6, 2023Assignee: COMMISSARIAT À L'ÉNERGIE ATOMIQUE ET AUX ÉNERGIES ALTERNATIVESInventors: Théo Verolet, Antonin Gallet
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Publication number: 20230168183Abstract: The invention relates to a device for detecting a gaseous species by photoacoustic effect. The device comprises a substrate, inside which a cavity is formed. A light source is disposed on the substrate, in such a way that a part of the substrate extends between the light source and the cavity. The device is arranged in such a way that the light, emitted by the light source, is propagated through the substrate, before reaching the cavity.Type: ApplicationFiled: November 25, 2022Publication date: June 1, 2023Applicant: Commissariat à l'Energie Atomique et aux Energies AlternativesInventors: Emmanuel OLLIER, Caroline COUTIER, Laurent DURAFFOURG, Thierry VERDOT
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Publication number: 20230161001Abstract: A device for measuring a physical quantity, including at least a transceiver unit for electromagnetic waves, an antenna-sensor including a sensor integrated into a target antenna having at least one excitation port, the antenna-sensor having a variable impedance with electromagnetic transduction, the measuring device being configured, per predetermined frequency band and independently of the angular difference between the transmission and reception of waves, for measuring the electromagnetic response of the antenna-sensor at least from an ellipticity rate of an electromagnetic field backscattered by the antenna-sensor, the ellipticity rate characterizing the polarization of the electromagnetic field configured to be measured by the transceiver unit, the electromagnetic response being representative, by electromagnetic transduction, of the at least one physical quantity to be measured.Type: ApplicationFiled: November 21, 2022Publication date: May 25, 2023Applicants: Commissariat à l'énergie atomique et aux énergies alternatives, Centre national de la recherche scientifiqueInventors: Luis-Felipe FONSECA-DIAS, Camille JOUVAUD, Christophe DELAVEAUD, Hervé AUBERT
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Patent number: 11656267Abstract: A method of characterizing a field-effect transistor, including: a step of application, to the transistor gate, of a single voltage ramp; and a step of interpretation both of gate capacitance variations and of drain current variations of the transistor.Type: GrantFiled: March 30, 2021Date of Patent: May 23, 2023Assignee: Commissariat à l'Énergie Atomique et aux Énergies AlternativesInventors: Abygael Viey, William Vandendaele, Jacques Cluzel, Jean Coignus
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Patent number: 11658260Abstract: 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: GrantFiled: May 21, 2021Date of Patent: May 23, 2023Assignee: Commissariat à l'Énergie Atomique et aux Énergies AlternativesInventors: Perrine Batude, Hubert Bono
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Patent number: 11658485Abstract: A method of controlling an electric system including electric cells. The method includes the steps of: a) determining a first (second) priority table including first (second) cell priority levels for a system charge (discharge) operation; b) determining the average current exchanged by each cell over a time window according to the cell implementation number in a cell connection sequence; c) determining a classification of the cell implementation numbers by increasing or decreasing order of the average current; d) assigning the implementation numbers according to the order of the classification to the cells by increasing or decreasing number of the priority levels of the first or second priority table; and e) connecting or disconnecting the cells according to the order of the assigned implementation numbers.Type: GrantFiled: June 4, 2019Date of Patent: May 23, 2023Assignee: Commissariat à l'Énergie Atomique et aux Énergies AlternativesInventors: Ghislain Despesse, Sylvain Bacquet, Léandro Cassarino, Eric Fernandez, Yan Lopez, Rémy Thomas
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Publication number: 20230154907Abstract: An optoelectronic device including at least one electromechanical transducer located vertically in line with at least one light-emitting diode, said at least one electromechanical transducer and said at least one light-emitting diode being connected to conductive tracks of a same transfer substrate.Type: ApplicationFiled: November 10, 2022Publication date: May 18, 2023Applicant: Commissariat à l'Énergie Atomique et aux Énergies AlternativesInventors: François Templier, Fabrice Casset, Mikael Colin
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Publication number: 20230152414Abstract: A method determines a corrected distance between a mobile transceiver fastened to a vehicle and a fixed transceiver. The method includes: identification, among a set of predetermined path segments, of the segment on which the vehicle is currently found on the basis of the last position determined for this vehicle, then selection of a correction function specifically associated with the identified segment using a table that associates, with each path segment, a respective correction function, then execution of the identified correction function to obtain a current correction coefficient for correcting a raw distance computed from transmission and reception times of the radio signals exchanged between the fixed and mobile transceivers, then correction of the last raw distance computed using the current correction coefficient to obtain the corrected distance.Type: ApplicationFiled: November 18, 2022Publication date: May 18, 2023Applicant: Commissariat à l'Energie Atomique et aux Energies AlternativesInventor: Christophe VILLIEN
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Publication number: 20230152417Abstract: A method includes: a) triggering, at an instant tuj, an exchange of radio signals between a mobile transceiver fixed to the vehicle and a fixed transceiver; then b) computing a rough distance only from the transmission or reception instants of the exchanged radio signals; (c) constructing an estimated position of the vehicle at an instant tm; (d) correcting the computed rough distance, then using this corrected rough distance to correct the estimated position. This correction comprises: computing an apparent velocity movement va0 of the vehicle towards the fixed transceiver; then adding a corrective term ?d0 to the computed rough distance, which corrective term is computed from the following relation: ?d0=va0·DT0, where DT0 is equal to the elapsed time between the instants tuj and tm.Type: ApplicationFiled: November 18, 2022Publication date: May 18, 2023Applicant: Commissariat à l'Energie Atomique et aux Energies AlternativesInventor: Christophe VILLIEN
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Publication number: 20230132980Abstract: The present description concerns a method of manufacturing a vapor chamber (300) comprising the following steps: (a) etching, in a first substrate (301), at least one first cavity (303) and at least one channel (313) extending from an upper surface (305) of said first substrate (301), a first end (315) of said channel (313) emerging into said at least one cavity (303); (b) bonding a lower surface of a plate (309) to the upper surface (305) of said first substrate (301), the plate (309) comprising at least one first region made of a ductile material (321) arranged in front of said first end (315) of said channel (313); (c) filling said channel (313) with a cooling fluid (319); and (d) closing said cavity (303) by applying a pressure on said region of ductile material of the plate (309) to obstruct said first end (315) of said channel (313).Type: ApplicationFiled: November 3, 2022Publication date: May 4, 2023Applicant: Commissariat à l'Énergie Atomique et aux Énergies AlternativesInventors: Jean-Philippe Colonna, Perceval Coudrain, Luc Frechette, Quentin Struss
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Publication number: 20230127057Abstract: A pixelated filter wherein each pixel of the pixelated filter includes an interference filter including a stack of layers, and one or a plurality of waveguides each crossing all or part of the layers of said interference filter. In each pixel of the pixelated filter, the waveguide are configured to guide at least one optical mode and so that an evanescent portion of said at least one guided mode is filtered by the interference filter of the pixel.Type: ApplicationFiled: October 25, 2022Publication date: April 27, 2023Applicant: Commissariat à l'Énergie Atomique et aux Énergies AlternativesInventors: Sébastien Verdet, Cédric Giroud-Garampon
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Publication number: 20230128664Abstract: The present description concerns a photosite including: a photoconversion area configured to convert light into charges; at least one assembly of a first node and of a first charge flow path including a first switch configured to allow the flowing of charges from the photoconversion area to the first node of said assembly when said first switch is on and block the passage of charges between the photoconversion area and the first node of said assembly when said first switch is off; and a second charge flow path between said photoconversion area and a second node of the photosite, wherein the first and second paths are configured so that each first path holds the priority over the second path when the first switch of said first path is on.Type: ApplicationFiled: October 25, 2022Publication date: April 27, 2023Applicant: Commissariat à l'Énergie Atomique et aux Énergies AlternativesInventors: Gaelle PALMIGIANI, François AYEL, Olivier SAXOD
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Publication number: 20230124049Abstract: A method of manufacturing an optoelectronic device comprising the successive steps of: a) forming, on an integrated control circuit previously formed inside and on top of a semiconductor substrate, a plurality of inorganic light-emitting diodes including three-dimensional semiconductor elements; and b) depositing an active photosensitive semiconductor layer to fill free spaces laterally extending between the inorganic light-emitting diodes.Type: ApplicationFiled: October 13, 2022Publication date: April 20, 2023Applicant: Commissariat à l'Énergie Atomique et aux Énergies AlternativesInventors: François Templier, François Levy
