Patents Assigned to Commissariat l'Energie Atomique
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Publication number: 20240053726Abstract: Method for controlling an electric actuation assembly (1), the method comprising the following steps: applying a plurality of known first output forces and recording a plurality of first input intensities for a first movement direction of the output; establishing, by interpolation, a first characteristic function; applying a plurality of second known output torques and recording (2) a plurality of second input currents for a second movement direction of the output opposite to the first direction; establishing, by interpolation, a second characteristic function; establishing, on the basis of the first characteristic function, the second characteristic function, a magnetic constant of the motor (11) and a reduction ratio of a gearbox (12), and a control correction coefficient; controlling the actuation assembly (1) by applying the control correction coefficient.Type: ApplicationFiled: December 16, 2021Publication date: February 15, 2024Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventor: Philippe GARREC
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Publication number: 20240053202Abstract: The present description concerns a polarimetric image sensor formed inside and on top of a semiconductor substrate, the second comprising a plurality of pixels, each comprising: —a photosensitive region formed in the semiconductor substrate; —a diffraction structure formed on the side of an illumination surface of the photosensitive region; and —a polarization structure formed on the side of the diffraction structure opposite to the photosensitive region.Type: ApplicationFiled: March 17, 2023Publication date: February 15, 2024Applicants: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES, STMicroelectronics (Crolles 2) SASInventors: Jerome VAILLANT, Francois DENEUVILLE, Axel CROCHERIE, Alain OSTROVSKY
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Publication number: 20240053854Abstract: A contactless detection device, comprising a detection surface; a plurality of actuators acoustically coupled to the detection surface; an ultrasonic acoustic wave detector; an electronic and/or IT computer, the device being configured to detect one or more element(s) by repeating the following steps: focusing ultrasonic acoustic waves emitted by the actuators into a focusing region, obtained from waves emitted by the actuators and to which a first time reversal method has been applied, and measuring a duration between emitting the waves and receiving an echo of these waves by the detector, wherein the computer is configured to calculate the control signals such that the detection waves are focused successively into focusing regions of different shape and/or sizes.Type: ApplicationFiled: November 24, 2021Publication date: February 15, 2024Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Pierre-Henri OREFICE, Charles HUDIN
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Patent number: 11902370Abstract: A shared data management system configured to receive frames comprising data from one or more producer devices and to transmit reconstructed frames to one or more consumer devices, a producer device and a consumer device being connected to the shared data management system by way of a communication network using a communication protocol. The shared data management system comprises a memory system having one or more memories. The shared data management system advantageously comprises a central controller configured to store at least some of the data encapsulated in a frame received from a producer device in a target memory area of the memory system, the central controller being configured to compute, for each datum to be stored, the address of the target memory based on an index associated with the datum in the received frame.Type: GrantFiled: November 26, 2020Date of Patent: February 13, 2024Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Hana Krichene, Paul Dubrulle
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Patent number: 11898239Abstract: Methods for treating a thin film made from a conductive or semiconductive material may improve the crystalline quality thereof. Such methods may include: supplying a substrate including, on one of the faces thereof, a thin film of the material; and biased plasma treating the assembly formed by the substrate and the thin film at a given temperature and for a given time, so as to obtain a crystalline reorganization over a depth of the thin film, the biased plasma treatment including an electrical biasing of the thin film and an exposure of the film thus biased to a hydrogen plasma, the biased plasma treatment being implemented at a temperature that is below the melting points of the thin film and of the substrate.Type: GrantFiled: September 11, 2020Date of Patent: February 13, 2024Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Julien Delchevalrie, Jean-Charles Arnault, Samuel Saada, Romain Bachelet
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Patent number: 11898835Abstract: A method for configuring a device for non-destructive testing of a mechanical part, the device including an optical motion-tracking system, a non-destructive testing probe fixedly linked to a first rigid body, and a pointing device, includes steps of: learning of an origin and of axes of an examination area of the surface of the mechanical part using the pointing device, in a coordinate system linked to the optical motion-tracking system, so as to define a coordinate system linked to the examination area, learning of an origin and of axes of an emitter and receiver surface, called active surface, of the probe using the pointing device, in a coordinate system linked to the first rigid body of the probe, and determination of the position and of the orientation of the active surface of the probe, in the coordinate system linked to the examination area.Type: GrantFiled: October 14, 2019Date of Patent: February 13, 2024Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Michel Cardoso, Thomas Desrez, Sebastien Bey
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Patent number: 11901194Abstract: The invention relates to a method for forming a porous portion in a substrate, an implantation of ions in at least one region of a layer, for example based on a semiconductor material, so as to form a portion enriched with at least one gas in the implanted region, and then a laser annealing of the nanosecond type so as to form a porous portion. The use of the ion implantation makes it possible to dissociate the deposition of the layer based on semiconductor material from the incorporation of gas. A great variety of porous structures can be obtained by the method. These porous structures can be adapted for numerous applications according to the properties sought.Type: GrantFiled: December 17, 2020Date of Patent: February 13, 2024Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Shay Reboh, Pablo Acosta Alba
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Patent number: 11897776Abstract: A method for preparing a monolithic nanoporous silicate sol-gel material for modulating the pore size distribution for one single starting composition without the addition of a structuring agent. The method includes the following steps: a) synthesising a gel from at least one organosilylated precursor, the synthesis being carried out in an aqueous medium, optionally including an organic solvent and without a structuring agent, and b) drying the gel obtained in step a) at a temperature between 10° C. and 70° C., preferably between 15° C. and 55° C. and more preferably between 20° C. and 40° C., in a gas flow in a drying chamber to obtain a monolithic nanoporous silicate sol-gel material and a residual relative humidity in the drying chamber of between 0.1 and 20%, preferably between 0.5 and 10% and more preferably about 5%.Type: GrantFiled: October 4, 2019Date of Patent: February 13, 2024Assignees: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE—CNRS—Inventors: Clarisse Tran, Thu-Hoa Tran-Thi, Sabine Crunaire, Jean-Luc Wojkiewicz
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Publication number: 20240043574Abstract: A polymer of hyaluronic acid modified by the grafting thereto of at least one of the functions —SO3? and aromatic rings may be used as dopant for a polymer formed from one or monomers chosen from EDOT, ProDOT, and derivatives thereof. An aqueous suspension, or ink, and materials, in particular hydrogels, based on at least one PEDOT and/or PProDOT polymer may be doped by at least one such modified hyaluronic acid polymer. Such modified hyaluronic acid polymers may be used in bioelectronic or biosensor devices.Type: ApplicationFiled: December 16, 2021Publication date: February 8, 2024Applicants: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE GRENOBLE ALPESInventors: Maxime LEPRINCE, Rachel AUZELY, Isabelle TEXIER-NOGUES
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Publication number: 20240044772Abstract: The disclosure relates to a method for characterizing biological particles in aerosol form, such as suspended in an ambient gas, by laser-induced breakdown spectrometry and an associated system.Type: ApplicationFiled: July 9, 2021Publication date: February 8, 2024Applicants: Commissariat a l'Energie Atomique et aux Energies Alternatives, Centre National de la Recherche ScientifiqueInventors: Olivier Sublemontier, Jean-Philippe Renault
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Publication number: 20240047201Abstract: A method for producing a vertical component comprising with the basis of a III-N material, comprising providing platelets made of the III-N material obtained by epitaxy on pads, the platelets comprise at least first and second layers doped and stacked on one another in a vertical direction. The method further includes the production of a first electrode and the production of a second electrode located on the platelet and configured such that a current passing from one electrode to the other passes through at least the second layer in all of its thickness, the thickness being taken in the vertical direction.Type: ApplicationFiled: December 22, 2021Publication date: February 8, 2024Applicants: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUEInventors: Guy FEUILLET, Thierry BOUCHET, Matthew CHARLES, Roy DAGHER, Jesus ZUNIGA PEREZ
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Publication number: 20240044771Abstract: A method for characterizing a mobile particle in a sample includes acquisition of at least one image of the sample during an acquisition period, using an image sensor and formation of a series of images, the series of images comprising at least one image; use of each image of the series of images as input image of a detection convolutional neural network, the detection convolutional neural network being configured to detect the particles and to produce, from each image, an output image on which each detected particle is assigned a distribution of intensity, centered on the particle and extending around the particle; for each detected particle, from each output image, estimation of a position of each detected particle in each image of the series of images; and characterization of each detected particle from the estimation of the position established from each image of the series of images.Type: ApplicationFiled: December 20, 2021Publication date: February 8, 2024Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Cédric ALLIER, Olivier CIONI, Ondrej MANDULA, Agnès CAMUS, Eric SCHMITT
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Publication number: 20240046134Abstract: An electronic device includes first and second quantum dots disposed along a direction, first and second control gates associated with said quantum dots, and a magnet configured to generate two opposite spin states at each of the first and second quantum dots. The magnet includes first and second magnetic domains distributed along the direction and separated by a domain wall. The magnetic domains respectively have first and second magnetisations of opposite directions in the direction. The first and second quantum dots thus receive first and second magnetic field gradients.Type: ApplicationFiled: June 16, 2023Publication date: February 8, 2024Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Xavier BAILLIN, Richard FOURNEL
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Patent number: 11894315Abstract: An electronic system in package, including at least: a support; one or more chips mechanically and electrically coupled to a front face of the support; an encapsulation material covering the front face of the support and encapsulating the chip(s); several side protection elements, comprising an opaque material and laterally surrounding the chip(s) and configured to form a barrier at least against laser attacks made through side faces of the electronic system in package that are substantially perpendicular to the front face of the support; and wherein the side protection elements are disposed in the encapsulation material or in one or more first blocks of material distinct from the support and disposed in the encapsulation material.Type: GrantFiled: October 12, 2021Date of Patent: February 6, 2024Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Thibaut Sohier, Stephan Borel
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Patent number: 11894061Abstract: A memory programming circuit for programming a non-volatile memory device having an array structure includes a plurality of rows, each row having a row index and comprising one or more memory units, each memory unit being configured to receive one or more input signals and to deliver one or more output signals, the memory programming circuit comprising: a first source line connected to the top electrode of the memory units comprised at rows of odd row indices, and a second source line connected to the top electrodes of the memory units comprised at rows of even row indices.Type: GrantFiled: April 29, 2022Date of Patent: February 6, 2024Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventor: Thomas Dalgaty
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Publication number: 20240033929Abstract: A co-handling robot has a mixed-forced control law providing high effector sensitivity and enabling interaction with the body of the robot. A multi-axis force sensor is carefully positioned between the end member (flange) of an industrial co-handling robot and the tool supported thereby. A modified increased force control law is implemented in the robot controller by introducing a saturation function.Type: ApplicationFiled: December 17, 2021Publication date: February 1, 2024Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventor: Xavier LAMY
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Publication number: 20240038764Abstract: A microelectronic device includes a first transistor having a first drain and a first source, a first doped zone constituting one from among the first drain and the first source, a second doped zone constituting the other from among the first drain and the first source, a second transistor comprising a second drain and a second source, a third doped zone constituting the second source or the second drain, a fourth doped zone constituting the other from among the second drain and the second source, a dielectric layer having an upper face in contact with the four doped zones and a rear gate in contact with a lower face of the dielectric layer. The second doped zone and the fourth doped zone form a common electrode.Type: ApplicationFiled: June 22, 2023Publication date: February 1, 2024Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Sylvain BARRAUD, Joris LACORD
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Publication number: 20240034616Abstract: The invention relates to an electromechanical microsystem comprising an electromechanical transducer, a deformable membrane and a cavity hermetically containing a deformable medium, preserving a constant volume under the action of an external pressure change. The deformable membrane forms a wall of the cavity and has at least one free zone being deformed. The electromechanical transducer is configured, such that its movement is a function of said external pressure change, and conversely. The free zone engages with an external member, such that its deformation induces, or is induced by, a movement of the external member. The electromechanical microsystem is thus capable of moving the external member or of capturing a movement of this member.Type: ApplicationFiled: December 17, 2021Publication date: February 1, 2024Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Laurent MOLLARD, Stéphane NICOLAS, Damien SAINT-PATRICE
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Publication number: 20240038797Abstract: A device for multi-spectral photo-detection in the infrared includes a photo-detection stage and a filtering stage superimposed on top of one another. The photo-detection stage includes a read circuit, an active layer incorporating a matrix of photodiodes, and a support substrate, superimposed together in that order. The filtering stage includes filtering areas of a first type, each formed of an interference filter capable of transmitting the wavelengths of a first spectral band and of blocking the wavelengths of a second spectral band, and filtering areas of a second type, capable of transmitting at least part of the wavelengths of the second spectral band. The device further includes an adhesive layer, located between the photo-detection stage and the filtering stage, on the support substrate side, and an anti-reflective coating, located between the adhesive layer and the support substrate.Type: ApplicationFiled: December 15, 2021Publication date: February 1, 2024Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventor: Giacomo BADANO
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Publication number: 20240038532Abstract: A method for obtaining at least one nitride layer based upon a III-N material includes the successive steps of providing a stack having a support substrate and a plurality of pads, each pad including at least one basal section and one germination section carried by the basal section; modifying the basal section so as to form a modified basal section having a lower rigidity that the basal section before modification; and epitaxially growing a crystallite from the top of at least some of the pads of an assembly and continuing the epitaxial growth so as to form the nitride layer on pads on the assembly.Type: ApplicationFiled: December 22, 2021Publication date: February 1, 2024Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Matthew CHARLES, Guy FEUILLET, Carole PERNEL