Commissariat A L'energie Atomique Et Aux Energie Alternatives Patent applications |
Patent application number | Title | Published |
20150303469 | COMPOSITE MATERIAL COMPRISING NANO-OBJECTS, IN PARTICULAR CARBON NANO-OBJECTS, PROCESS FOR PREPARING SAME, AND INK AND ELECTRODE COMPRISING THIS MATERIAL - A nanocomposite material comprising nano-objects made of at least one first electron conducting material, such as carbon, and nano-objects or submicron objects made of at least one second material, such as silicon, different from the first material; said nanocomposite material comprising nanostructures each consisting of a three-dimensional network consisting of the nano-objects made of at least one first electron conducting material bound and maintained by a polysaccharide, the nano-objects or the submicron objects made of at least one second material different from the first material being self-assembled around said network and being attached to the nano-objects made of at least one first electron conducting material by said polysaccharide and said nanostructures being homogenously distributed in the material. | 10-22-2015 |
20130309593 | GASEOUS DIFFUSION LAYER FOR FUEL CELL - This gas diffusion layer for a PEMFC includes at least one hydrophilic electronically-conductive thread, advantageously formed of a carbon thread, of an electronically conductive hydrophilic material thread, or of a polymer thread loaded with electronically-conductive particles. | 11-21-2013 |
20130260024 | METHOD FOR PRODUCING LITHIUM-BASED LAYERS BY CVD - A method for forming by CVD a lithium-based layer, according to which the lithium precursor is in liquid form in a mixture containing a solvent and a Lewis base. | 10-03-2013 |
20120234928 | METHOD FOR ENCODING CONTACTLESS COMMUNICATION DATA FROM A TRANSPONDER TO A READER VIA CHARGE MODULATION, IN THE FORM OF A SET OF PATTERNS AND DEVICE FOR IMPLEMENTING SAME - The invention relates to a method for encoding contactless communication data from a transponder to a reader via charge modulation, in the form of a set of modulation patterns, each modulation pattern being a series of charge levels of a predefined length used for physical encoding, having a duration of n carrier periods (T | 09-20-2012 |
20120182005 | VOLTAGE CONTROL DEVICE FOR A FUEL CELL - The invention relates to a device for controlling the voltage of a cell of a fuel cell, characterized in that said control device comprises a first transistor (Q | 07-19-2012 |
20120153151 | INFRARED DETECTOR BASED ON SUSPENDED BOLOMETRIC MICRO-PLATES - This bolometric array detector for detecting electromagnetic radiation in a predetermined range of infrared or terahertz wavelengths comprises a substrate and an array of bolometric micro-plates for detecting said radiation that are suspended above the substrate by support arms. It comprises a metallic membrane located above and around each micro-plate and in which openings are formed; said openings in metallic membrane are periodically located in it along at least one predetermined axis with a period equal to or less than | 06-21-2012 |
20120119264 | BUILT-IN VERY HIGH SENSITIVITY IMAGE SENSOR - A basic device for an image sensor includes a photodiode consisting of a doped area having a first type of conductivity and formed at the surface of a semiconductor substrate having a second type of conductivity, adapted to be biased at a first reference voltage, wherein the photodiode is combined with a device for the transfer, multiplication and insulation of charges, the photodiode being a fully depleted one and including, at the surface of the doped area having a first type of conductivity, a strongly doped region having the second type of conductivity and adapted to be biased at a second reference voltage. | 05-17-2012 |
20120060888 | MICROSTRUCTURE FOR A SEEBECK EFFECT THERMOELECTRIC GENERATOR, AND METHOD FOR MAKING SUCH A MICROSTRUCTURE - A method for making a thermoelectric microstructure includes: forming an insulating substrate; forming, on the substrate, a first assembly of conductor or semiconductor elements extending in parallel and in a first direction from first to second connection areas, and having a first Seebeck coefficient; forming, on the substrate, a second assembly of conductor or semiconductor elements electrically insulated from the first assembly and extending in parallel and in a second direction other than the first one, from the first to second connection areas, and having a second Seebeck coefficient other than the first one; providing, in the first and second connection areas, electric connection elements, each of which electrically connects at least one element of first and second assemblies; two conductor or semiconductor elements of a single assembly are separated in a predetermined direction by a predetermined average distance in the connection areas. | 03-15-2012 |
20110290982 | OPTICAL FILTER SUITABLE FOR DEALING WITH A RADIATION OF VARIABLE INCIDENCE AND DETECTOR INCLUDING SAID FILTER - An optical filter for filtering an electromagnetic radiation of variable angle of incidence, includes a stack of at least one dielectric or semi-conductor layer arranged between two partially reflective layers, said stack defining a set of Fabry-Pérot cavities set to a predetermined wavelength. The average refractive index of the dielectric or semi-conductor layer is variable in a plane orthogonal to the direction of the stack so as to compensate the effects of the variation in the angle of incidence of the electromagnetic radiation on the transmission spectrum of the cavities. | 12-01-2011 |
20110266642 | METHOD FOR PRODUCING A MAGNETIC TUNNEL JUNCTION AND MAGNETIC TUNNEL JUNCTION THUS OBTAINED - According to this method for producing a magnetic tunnel junction, a film of a dielectric material capable of acting as a tunnel barrier is deposited between two nanocrystalline or amorphous magnetic films. The dielectric material constituting the tunnel barrier consists of an at least partially crystalline perovskite, and said material is deposited by ion beam sputtering in a vacuum chamber. | 11-03-2011 |
20110163743 | THREE-LAYER MAGNETIC ELEMENT, METHOD FOR THE PRODUCTION THEREOF, MAGNETIC FIELD SENSOR, MAGNETIC MEMORY, AND MAGNETIC LOGIC GATE USING SUCH AN ELEMENT - This three-layer magnetic element comprises, on a substrate, a first oxide, hydride or nitride layer O having a metal magnetic layer M mounted thereon, the latter having either a second oxide, hydride or nitride layer O′, or a non-ferromagnetic metal layer M′ mounted thereon. | 07-07-2011 |
20110063717 | HIGH-EFFICIENCY DEVICE FOR FOCUSING LIGHT TO SUBWAVELENGTH DIMENSIONS - The general field of the invention is that of devices for focusing light to subwavelength dimensions including at least one focusing structure having a metal film provided with a first aperture that penetrates the film, the aperture having dimensions an order of magnitude smaller than the working wavelength of the focusing device. In the devices according to the invention, the focusing structure has at least one optical cavity placed around the aperture so that, when the structure is illuminated with a radiant flux at the working wavelength of the device, a large part of this flux is concentrated on the aperture by said cavity. Several embodiments are described using various cavities that may comprise plasmon reflectors. | 03-17-2011 |
20110018591 | SYSTEM FOR CONVERTING CHARGE INTO VOLTAGE AND METHOD FOR CONTROLLING THIS SYSTEM - The invention relates to controlling a device for converting charge into voltage comprising an amplifier and at least one capacitor mounted in inverse feedback between an input and an output of said amplifier, whereby said amplifier can be connected between at least one input stage, to receive a charge therefrom, and at least one output stage to deliver voltage thereto, said voltage being representative of the charge received at the input, said method comprising at least one phase comprising the voltage conversion of a charge received at the input. According to the invention the conversion phase comprises at least: one first sub-phase during which the amplifier is connected to the input stage and the amplifier is disconnected from the output stage; followed, by a second sub-phase during which the amplifier is disconnected from the input stage and the amplifier is connected to the output stage. | 01-27-2011 |
20110001519 | SYSTEM FOR CONVERTING CHARGE INTO VOLTAGE AND METHOD FOR CONTROLLING THIS SYSTEM - The invention relates to controlling a device for converting charge into voltage comprising an amplifier and at least one capacitor mounted in inverse feedback between an input and an output of said amplifier, whereby said amplifier can be connected between at least one input stage, to receive a charge therefrom, and at least one output stage to deliver voltage thereto, said voltage being representative of the charge received at the input, said method comprising at least one phase comprising the voltage conversion of a charge received at the input. According to the invention the conversion phase comprises at least: one first sub-phase during which the amplifier is connected to the input stage and the amplifier is disconnected from the output stage; followed, by a second sub-phase during which the amplifier is disconnected from the input stage and the amplifier is connected to the output stage. | 01-06-2011 |