Abstract: The method includes the steps of: a) providing a stack including, successively, a substrate, a silicide layer formed on the substrate, and a silicon nitride layer covering at least the silicide layer, b) etching predefined regions of the silicon nitride layer in such a way as to expose at least areas of the silicide layer intended to form the electrical contacts, and c) depositing a protective layer on at least the areas of the silicide layer exposed in step b), the method not including a step of exposing the stack to moisture between step b) and step c), in particular moisture from the ambient air.

Abstract: A light-emitting device including a substrate, three-dimensional semiconductor elements resting on the substrate, at least one shell at least partially covering the lateral walls of the semiconductor element, the shell including an active area having multiple quantum wells, and an electrode at least partially covering the shell, at least a portion of the active area being sandwiched between the electrode and the lateral walls of the semiconductor element. The active area includes an alternation of first semiconductor layers mainly including a first element and a second element and of second semiconductor layers mainly including the first element and the second element and further including a third element. In at least three of the layers, the mass concentration of the third element increases in the portion of the active layer as the distance to the substrate decreases.

Abstract: An optoelectronic device comprising a mesa structure including: a first and a second semiconductor portions forming a p-n junction, a first electrode electrically connected to the first portion which is arranged between the second portion and the first electrode, the device further comprising: a second electrode electrically connected to the second portion, an element able to ionize dopants of the first and/or second semiconductor portion through generating an electric field in the first and/or second semiconductor portion and overlaying at least one part of the side flanks of at least one part of the first and/or second semiconductor portion and of at least one part of a space charge zone formed by the first and second semiconductor portions, upper faces of the first electrode and of the second electrode form a substantially planar continuous surface.

Abstract: Method comprising steps as follows: a) depositing a meltable ball on a first conducting zone located in a blind hole formed on a first face of a first support, b) assembling the first support with a second support by transfer of the meltable ball on a second conducting zone, the transfer also being made by thermo-compression so as to compress the ball, the compressed ball being held at a distance from the side walls of the blind hole.

Abstract: A method of making crystal semi-conducting material-based elements, including providing a support having amorphous semi-conducting material-based semi-conducting elements, the support being further provided with one or more components and with a reflective protective area configured so as to reflect a light radiation in a given wavelength range, exposing the element(s) to a laser radiation emitting in the given wavelength range so as to recrystallize the elements, the reflective protective area being arranged on the support relative to the elements and to the components so as to reflect the laser radiation and protect the components from this radiation.

Abstract: The invention relates to a thermal flow sensor comprising: a support, at least one element intended to be vibrated relative to the support, suspension means for said vibrating element relative to the vibrating element, means for heating the vibrating element, means for electrostatic excitation of the vibrating element so as to vibrate it at its resonance frequency, piezoelectric gauges for detecting the resonance frequency variation of the vibrating element, the gauges forming means for heating the vibrating element by Joule effect and the suspension means comprising two beams formed by nanowires so as to reduce the heat losses from the vibrating element toward the support.

Abstract: A filter bank multi-carrier (FBMC) receiver implementing a synchronization in the frequency domain. The receiver includes a synchronization module including an error estimator on the sampling instants and, for each subcarrier, an interpolating filter for reconstructing the samples at the accurate sampling instants. A phase-shifter is provided, for each subcarrier, at the output of the interpolating filter, to make a phase compensation. The phase-shifter can be followed by an equalizer in the frequency domain.

Abstract: The invention relates to a method for correcting an optical signal produced by a sample comprising the following steps: illuminating a surface of the sample by a first light beam, produced by a first light source, the said first light source being coupled to a first optical system, focusing the said first light beam in an object focal plane of the first optical system, the said object focal plane being situated, in the sample, at a measuring depth z from the surface of the sample; measuring, with a first photodetector, of a first optical signal backscattered by the sample in response to the first light beam, the first photodetector producing a first measured signal representative of the said first optical signal, a spatial filter being interposed between the first optical system and the first photodetector, the spatial filter comprising a window which transmits the said first optical signal towards the said first photodetector, the window being disposed in a conjugate focal plane of the object focal plane

Abstract: The invention relates to an electrical system comprising a plurality of modules that can be powered independently withy current, characterized in that it further comprises: a module configured to apply to each of the modules a current which is modulated by a signal specific to the module, an acoustic sensor enabling the measurement of an acoustic signal that accompanies an electrical arc generated by a defective module, a treatment unit configured to identify a signature of one of the specific signals in the acoustic signal measured by the acoustic sensor in order to identify the defective module. The invention also relates to a method for locating faults in such an electrical system.

Abstract: An optical reflection focusing device, including a grating including an alternation of first and second regions having different refraction indexes, the grating including a plurality of sub-gratings, each including a plurality of first regions aligned along a plane parallel to the mean plane of the grating, said device including structures such that, for a collimated incident coherent light beam orthogonal to the mean plane of the grating, the rays of the beam reach with a non-zero phase shift different sub-gratings of the device.

Abstract: A method for capillary self-assembly of a plate and a carrier, including: forming an etching mask on a region of a substrate; reactive-ion etching the substrate, the etching using a series of cycles each including isotropic etching followed by surface passivation, wherein a duration of the isotropic etching for each cycle increases from one cycle to another, a ratio between durations of the passivation and etching of each cycle is lower than a ratio for carrying out a vertical anisotropic etching to form a carrier having an upper surface defined by the region and side walls defining an acute angle with the upper surface; removing the etching mask; placing a droplet on the upper surface of the carrier; and placing the plate on the droplet.

Abstract: This processing method provides the ability to process a volume mode with an object intended to be added to or subtracted from said model. The volume model includes points arranged according to a spatial grid in a first reference system, each point being assigned an intensity value. The object has points positioned in a second reference system that is distinct from the first reference system. The method includes the calculation, for each point of the object, of an image point in the first reference system using a transfer function. The method further includes the modification of the intensity of points of the volume model by applying a correction function associated with each image point, the value of the correction function at a point of the volume model being dependent on the position of said point relative to said image point with which said correction function is associated.

Abstract: A device for a bimodal diagnostic probe with optical and ultrasonic imaging, the probe including a main body supporting an ultrasonic transducer at its front end. The device includes a shell, an illumination mechanism mounted on a front end of the shell to light outside of the shell, and a collection or detection mechanism mounted on the front end of the shell to collect or detect an optical signal produced outside the shell. The shell includes an attachment mechanism to reversibly assemble it around the main body of the probe, with the illumination mechanism and the collection or detection mechanism mounted on the shell.

Abstract: Fabrication method of a fuel cell comprising the following successive steps: providing a substrate comprising: at least one membrane-electrode assembly, formed by an electrolytic membrane arranged between a first electrode and a second electrode, a first current collector arranged on the first electrode, depositing a fluoropolymer solution on the first current collector, making the solvent of the solution evaporate so as to form a porous thin layer of fluoropolymer.

Abstract: A method of assembling together by brazing two parts made of composite material, each part having an assembly face for brazing with the assembly face of the other part, the method including: making a plurality of cavities in the assembly face of at least one of the two composite material parts, at least some of the cavities opening out into one or more portions of the part that are situated outside the assembly face; interposing capillary elements between the assembly faces of the composite material parts; placing a brazing composition in contact with a portion of the capillary elements; and applying heat treatment to liquefy the brazing composition so as to cause the molten brazing composition to spread by capillarity between the assembly faces of the composite material parts.

Abstract: A fluid interconnecting module for an HTE electrolyzer with a stack of elementary electrolysis cells. The interconnecting module includes plates welded to each other, some of which are partly stamped, some of the plates being perforated to enable high temperature steam H2O supply to electrolysis cells and collection of the hydrogen H2 and oxygen O2 produced.

Abstract: A load-balancing device includes a control module, and a converter for generating a voltage supplying a single-phase electrical load connected to a polyphase electrical network. The converter selectively modifies a phase shift between its output and phases of the polyphase electrical network. The control module controls synchronization of the output with a first phase of the network and its progressive phase shifting when it is synchronized with a second phase of the polyphase electrical network. It also controls connection of the load to the network and to the converter when the converter and first phase are synchronized. The control module maintains disconnection of the load from the network during the progressive phase shifting of the converter output voltage, and controls its connection the second phase of the network when its output is synchronized with the second phase.

Abstract: A towable road motor vehicle including: at least three wheels, capable of driving the motor vehicle on a level road, distributed between two front and rear wheel trains of the motor vehicle; a chassis, including an articulation device, interposed between front and rear portions of the chassis and enabling the front portion to pivot, relative to the rear portion, to modify an articulation angle of the vehicle; front and rear hitches, respectively positioned at the front and rear of the motor vehicle, and a steering device, capable of modifying the steering angle of each wheel of the front train in response to a command by a driver of the vehicle, the steering device adapted to be actuated independently of the articulation device.

Abstract: Infrared detection device comprising at least one first bolometer able to detect at least a part of infrared radiation intended to be received by the infrared detection device, and a reading and compensation circuit of a first electrical signal intended to be outputted by the first bolometer, with the reading and compensation circuit comprising at least: one second bolometer coupled electrically to the first bolometer and insensitive to the infrared radiation intended to be received by the infrared detection device; one first reading circuit of said first electrical signal from which is subtracted a second electrical signal intended to be outputted by the second bolometer; one second reading circuit of an electrical voltage at the terminals of the first bolometer and/or of an electrical voltage at the terminals of the second bolometer, comprising a plurality of switches.

Abstract: The method for fabricating patterns made from first material having: providing a substrate covered by a covering layer, forming a first mask by means of a self-assembled structure of block copolymers, the first mask having first patterns, making a second mask from the first mask, the second mask having a second series of patterns organized according to the first repetition pitch or an integral multiple of the first repetition pitch, the second series having less patterns than the first series, depositing and exposing a resin layer to form an intermediate mask on the first mask, the intermediate mask covering a part of the first patterns formed in the first mask and having second holes facing the first holes, etching the covering layer through the facing first and second holes to form third holes, filling the third holes with a first material to form the patterns made from first material.