Abstract: An assembly includes a stack of SOEC/SOFC solid oxide cells, the stack having a plurality of plates stacked one on top of the other, each plate having an outer lateral surface, the plurality of plates including at least a plurality of electrochemical cells, a plurality of interconnectors, and upper and lower end plates. At least two guiding elements are configured to guide the vertical stacking of at least some of the plates of the stack. The at least two guiding elements extend vertically in a vertical direction and bear against the outer lateral surface of each of the at least some of the plates.

Abstract: A method for obtaining and processing an image acquired by a gamma camera, the gamma camera comprising a detector configured to detect X-ray or gamma-ray photons emitted in a field of observation of the gamma camera, in order to obtain a reconstructed image. The reconstructed image corresponds to a position of radiation sources in the field of observation, the reconstructed image being liable to contain multiple regions of interest corresponding to hotspots. The method comprises selecting a region of interest so as to determine a probability of the hotspot being present in the selected region of interest.

Abstract: A stack of SOEC/SOFC solid oxide cells includes a plurality of stacked plates and two guiding elements ensuring that the vertical stacking of at least some of the plates is guided, each plate having two guiding orifices. In a cross-sectional view, the guiding orifices are aligned in a first horizontal direction and are spaced apart by a smaller inter-orifice distance, the guiding elements being spaced apart by a greater smaller inter-element distance and the difference corresponding to the identical inner clearance for the two guiding orifices. The guiding orifices are spaced apart by a larger inter-orifice distance and the guiding elements are spaced apart by a shorter larger inter-element distance, the difference corresponding to the outer clearance, which is greater than the inner clearance.

Abstract: A method for manufacturing a porous monolith includes: forming a sol including a sol-gel precursor in aqueous solution; at least partially filling with previously formed sol an enclosure and at least one mould contained in the enclosure, the mould including at least one opening into the sol after filling; forming a sol-gel matrix in the enclosure from the sol; removing the mould with the sol-gel matrix contained in the mould from the enclosure; and forming a porous monolith from the sol-gel matrix contained in the mould, wherein the formation of the sol, the sol-gel matrix, and the porous monolith is performed by a sol-gel process.

Abstract: The invention is a method for processing a calibration spectrum acquired by a spectrometric detector of X or gamma photons. The method comprises a taking into account of a parametric form of a calibration function, the calibration function linking the rank of an energy channel to an energy value. The method comprises a confrontation between the channels of the peaks of the calibration spectrum and emission energies of calibration isotopes. The confrontation makes it possible to define the values of the parameters of the calibration function.

Abstract: The invention is based on a method for processing an X-ray and gamma-ray radiation spectrum acquired by a spectrometry device (1). The processing method takes into consideration a spectral dispersion matrix (D). The spectral dispersion matrix models the energy response of the device. The method comprises establishing a transfer matrix (U,U?,D?), using the spectral dispersion matrix. The transfer matrix is then used to establish a direct model, linking measured variables, forming an input vector (m), and variables to be estimated, forming an output vector. The invention of the direct model allows the output vector (a,s,h,?) to be estimated. The invention may be applied to quantifying the activity of an object to be inspected or to performing an energy or efficiency calibration of the spectrometry device. FIG. 2B.

Abstract: A method for manufacturing a mould for nanoprinting and the associated mould, includes providing a substrate having a layer, and at least one ion implantation configured so as to obtain in the layer, at least one first non-implanted portion or portion having a first implantation, at least one second portion having a second implantation, and a third non-implanted portion distinct from the first portion. After implantation, the method includes etching the layer configured so as to have a different etching speed between at least the second portion and the third portion, so as to etch through the openings of an etching mask, a plurality of patterns of different heights being included in the layer.

Abstract: A device with stacked transistors includes a first transistor of a first type, in particular N or P, the first transistor having a channel formed in one or more first semi-conducting rods of a semi-conducting structure including semi-conducting rods disposed above each other and aligned with each other, and a second transistor of a second type, in particular P or N, with a gate-surrounding gate and a channel region formed in one or more second semi-conducting rods of said semi-conducting structure and disposed above the first semi-conducting rods. The source block of the second transistor is distinct from the source and drain block of the second transistor, and the drain block of the second transistor is distinct from the drain and source blocks of the second transistor.

Abstract: A method for sealing cavities using membranes, the method including a) forming cavities arranged in a matrix, of a depth p, a characteristic dimension a, and spaced apart by a spacing b; and b) forming membranes, sealing the cavities, by transferring a sealing film. The method further includes a step a1), executed before step b), of forming a first contour on the front face and/or on the sealing face, the first contour comprising a first trench having a width L and a first depth p1, the formation of the first contour being executed such that after step b) the cavities are circumscribed by the first contour, said first contour being at a distance G from the cavities between one-fifth of b and five b.

Abstract: A wireless electronic detonator includes a primary source of energy and at least one functional module. A power switch is disposed between the primary source of energy and the functional module to connect or disconnect the functional module and the primary source of energy. A controller controls the power switch and includes an optical receiver to detect and demodulate a light signal emitted by a control console, The controller generates a control signal according to the demodulated light signal to at least control the power switch. A wireless detonation system includes the wireless electronic detonator and the control console configured to emit a light signal, and method for activating the wireless electronic detonator.

Abstract: A method for measuring relative concentrations of materials in a mixture includes providing an emission coil and at least one reception coil, providing a mixture with n materials having different magnetic susceptibilities, and introducing the mixture into the reception coil. Using a voltage generator the emission coil is supplied with at least one nonzero excitation frequency so as to generate an excitation magnetic field and the signal of the voltage induced in the reception coil is measured. Relative concentrations of the n materials are determined based on comparison between the overall susceptibility of the mixture as obtained through the voltage measurement and that of a reference mixture for which the relative concentrations of the n materials are known.

Abstract: A unit cell of a fuel cell may include: a membrane-electrode assembly including a proton exchange membrane, an anode electrode fastened to a first face of the proton exchange membrane, a first flow guide plate positioned facing the anode electrode and including at least one flow channel having a fuel inlet zone, a median flow zone and a fuel outlet zone. The anode electrode may have, at the fuel outlet zone, a tolerance to carbon monoxide pollution greater than its average tolerance to carbon monoxide pollution at the median flow zone and at the fuel inlet zone.

Abstract: The invention is a device and method for detecting an analyte in a medium. An exciting light source produces an exciting light wave, which propagates to the medium and heats the latter. The device comprises a transducer for detecting the heating of the medium. According to one embodiment, the transducer is a thermal transducer, configured to detect a variation in the temperature of the medium. According to another embodiment, the transducer is an acoustic transducer, configured to detect a photoacoustic wave propagating from the medium. Whatever the embodiment, the transducer employs a membrane, on which a waveguide is placed. The waveguide comprises a resonant optical cavity. Transduction is achieved by analyzing a variation in a resonant wavelength of the optical cavity.

Abstract: An integrated optical component, including a transparent pad arranged on the upper face of the basic optical component, the transparent pad including a plane mirror at its upper face, and the basic optical component including a convergent mirror at its upper face, the plane and convergent mirrors being arranged such that the light beam is propagated between the internal light gate and the external light gate by passing through the transparent pad by reflection on the plane mirror and by reflection on the convergent mirror.

Abstract: The invention relates to an iterative method for estimating the movement of at least one material body in a surrounding space discretized into a grid of cells that includes: a) obtaining an inconsistency grid in iteration t, generated in response to detection of a change of occupancy state in at least one of the cells of the grid of cells between an iteration t-1 and iteration t, b) recurrently generating a filtered movement grid in iteration t, the filtered movement grid in iteration t being generated on the basis of the filtered movement grid in iteration t-1 of an inconsistency grid from iteration t-1 and of the inconsistency grid in iteration t.

Abstract: A method for manufacturing disassemblable substrates, comprising: (a) providing a first substrate comprising implanted species forming a flat implantation zone and a proximal surface; a second substrate comprising a surface; (b) forming a series of cavities on the proximal surface of the first substrate and/or on the surface of the second substrate; (c) assembling the first and second substrates (1, 2) by direct bonding; and (d) applying a heat treatment to weaken the flat implantation zone. Further, the series of cavities being arranged in such a way as to allow direct bonding between the first and second substrates during step (c); and prevent thermal initiation of the splitting of the weakened flat implantation zone at the end of step (d).

Abstract: A method for manufacturing an optoelectronic device including an array of diodes and photoluminescent pads arranged opposite at least one diode, including making an electret layer over the array of diodes, by localized polarization or depolarization, optically, so as to form surface potential patterns; and making the photoluminescent pads, by contact of the electret layer with a colloidal solution containing photoluminescent particles, which are then deposited over the upper face of the electret layer opposite the predefined surface potential patterns, thereby forming the photoluminescent pads.

Abstract: A system is proposed for the selection of at least one frequency channel in an input signal. The system comprises: a gain block delivering H currents proportional to the input signal through a gain factor; and N processing paths for processing the currents. Each path comprises: one capacitor; and H branches, each branch being configured to provide, to the capacitor, a respective current, the H branches being configured for having the gain factors of the currents successively provided to the capacitor over a period TLO that are representative of a respective sampled waveform which is the H first samples of a circular permutation of a sampled pattern obtained by time shift by a multiple of a sampling period TLO/N. Each path comprises a reset switch, implemented in parallel of the capacitor, for resetting the voltage across the capacitor once per period TLO.

Abstract: A method for manufacturing a first optoelectronic device operating at a wavelength ?1 and a second optoelectronic device operating at a wavelength ?2>?1, the first device comprising a first stack comprising a first encapsulation layer of thickness e10 and layers of thickness eli (i=1 . . . n), and the second device comprising a second stack comprising a second encapsulation layer of thickness e20 and layers of thickness e2i (i=1 . . . n). The method includes forming the second stack by sizing the thicknesses e20 and e2i according to ?2, forming the first stack by sizing the thicknesses eli by homothety and adjusting the thickness e10 such that the stacks have the same height, and performing out one same technological step on the stacks.

Abstract: Imager readout circuit comprising: an active reset stage of the integration capacitor equipped with a first current amplifier, a buffered direct injection bias stage of the photodetector equipped with transistors forming a second current amplifier, a switching circuit comprising a coupling stage integrated in the readout circuit, the switching circuit being controlled by control signals and being configured to: during a reset phase of the integration capacitor corresponding to a first state of said control signals: couple said first current source to the integration capacitor and activate the first current amplifier while uncoupling said second current source of the photodetector and deactivating the second amplifier, during an integration phase of a current from the photodiode and corresponding to a second state of said control signals, couple said second current source to the photodetector and activate the second current amplifier while uncoupling said first current source of the integration capacitor an