Abstract: An electronic device including semiconductor region located on a gallium nitride layer, two electrodes, located on either side of and insulated from the semiconductor region, the electrodes partially penetrating into the gallium nitride layer, and two lateral MOS transistors formed inside and on top of the semiconductor region.

Abstract: A method of manufacturing an optoelectronic device including-light-emitting diodes comprising the forming of three-dimensional semiconductor elements made of a III-V compound, each comprising a lower portion and an upper portion and, for each semiconductor element, the forming of an active area covering the top of the upper portion and the forming of at least one semiconductor area of the III-V compound covering the active area. The upper portions are formed by vapor deposition at a pressure lower than 1.33 mPa.

Abstract: A circuit, intended to be associated in series with a load to be powered including a first field-effect transistor; at least one second field-effect transistor, associated in parallel with the first transistor; and at least one sensor of information representative of a current transmitted to said load, the gate of the second transistor being coupled to an output of the sensor.

Abstract: A blood glucose regulation system including a processing and control unit configured to implement an automated blood glucose regulation method, wherein the regulation method takes into account at least one hyperparameter having a default value, the value of said at least one hyperparameter being adjustable on the fly by the processing and control unit by means of an adjustment function, and wherein the processing and control circuit is configured to, after a regulation period: estimate the performance of the regulation method by means of at least one performance indicator; and adjust on the fly the value of said at least one hyperparameter according to said at least one performance indicator.

Abstract: A transistor comprising a gallium nitride layer having a first gate electrode partially penetrating into it, having: a first side coated with a first thickness of a first insulating material and of a second insulating material; and with a second thickness of a conductive material; and a bottom coated with a third thickness, smaller than the first thickness, of the first insulating material.

Abstract: A method of determining, for each cell of a battery of series-coupled cells, an indicator QCi representative of the charge stored in the cell, this method comprising: a) at the end of a phase of partial discharge or charge of the battery, measuring the voltage Ui across each cell of the battery; b) calculating, for each cell, an interpolation coefficient Xi from a value C_rate representative of the discharge or charge rate of the battery during said partial discharge or charge phase, and from the voltages Ui measured at step a); and c) determining, for each cell, from the interpolation coefficient Xi calculated for the cell at step b) and from a quantity Qcm representative of the charge stored in the battery, said indicator QCi representative of the charge stored in cell.

Abstract: A method of manufacturing an optoelectronic device including light-emitting diodes comprising forming three-dimensional semiconductor elements, extending along parallel axes, made of a III-V compound, with a polarity of the group-III element, the method further including, for each semiconductor element, forming an active area covering the semiconductor element and a stack of semiconductor layers covering the active area, the active area being formed by vapor deposition at low pressure and comprising quantum wells separated by barrier layers, each quantum well including a ternary alloy having at least one first group-III element, the group-V element, and a second group-III element, the ratio of the atomic flux of the group-III elements to the atomic flux of the group-V element is in the range from 1 to 1.8.

Abstract: A method for depositing a layer of a nanocomposite material comprising the step of pouring said liquid material onto the surface of a substrate, said substrate being subjected to an oscillating rotary motion.

Abstract: A selector for a memory cell, intended to change from a resistive state to a conductive state so as to respectively prohibit or authorize access to the memory cell, characterized in that it is made of an alloy consisting of germanium, selenium, arsenic and tellurium.

Abstract: A method of manufacturing an emissive screen comprising LEDs, including the steps of: a) depositing a first metal layer on a surface of a control circuit; b) depositing a second metal layer on a surface of an optoelectronic circuit; c) bonding the optoelectronic circuit to the control circuit by direct bonding of the second metal layer to the first metal layer, by aligning the optoelectronic circuit with respect to the control circuit so that different emission cells of the optoelectronic circuit are arranged opposite different metal connection pads of the control circuit; and d) forming, from the surface of the optoelectronic circuit opposite to the control circuit, trenches laterally delimiting each emission cell.

Abstract: An electromagnetic material for an inductance for operation at cryogenic temperatures including, in an electrically insulating matrix, metal nanoparticles with superparamagnetic behavior of size less than or equal to 30 nm and having a magnetic permeability greater than or equal to 1.5 for a frequency between 5 GHz and 50 GHz.

Abstract: A method of polishing a semiconductor substrate, including: a) a step of multiple implantations of ions from an upper surface of the substrate, to modify the material of an upper portion of the substrate, the multiple implantation step comprising a plurality of successive implantations under different respective implantation orientations; and b) a step of selective removal of the upper portion of the substrate.

Abstract: A capacitive logic cell with complementary control, including a variable-capacitance electromechanical device having a fixed part and a mobile part, the electromechanical device comprising first, second, third and fourth electrodes mounted on the fixed part, and a fifth electrode mounted on the mobile part, the first electrode being connected to a terminal for supplying a first input logic signal, the second electrode being connected to a terminal for supplying a second input logic signal, complementary to the first input logic signal, the third electrode being connected to a terminal for supplying a first output logic signal, and the fourth electrode being connected to a terminal for supplying a second output logic signal, complementary to the first output logic signal.

Abstract: A balun including first and second conductive tracks located vertically in line and at a distance from each other and having a same pattern.

Abstract: An automated system for regulating a patient's blood glucose, including a blood glucose sensor, an insulin injection device, and a processing and control unit.

Abstract: A device including first and second light-emitting cells respectively emitting in first and second wavelength ranges, wherein: each cell includes a stack of a first layer of a first semiconductor material and of a second layer of a second semiconductor material having a different mesh parameter; in the first cell, the first layer is in contact with the second layer across the entire surface of the cell; and in the second cell, a mask provided with a plurality of through nano-openings forms an interface between the first layer and the second layer, the second layer comprising a plurality of nanopillars of the second material arranged in the nano-openings of the mask, and a coalesced layer extending across substantially the entire surface of the cell on the side of the mask opposite to the first layer.

Abstract: This installation for locating impacts comprises an interactive plate, at least three transducers arranged and distributed against the interactive plate in order to pick up progressive mechanical waves propagating therein and to transform them into electrical signals, and an electronic central unit programmed to locate an impact in the interactive plate by an analysis of the electrical signals that it receives from the transducers. It further includes an additional plate attached to the front face of the interactive plate and having an impact-receiving zone, and means for attaching the additional plate to the interactive plate, configured to ensure contact against the entire portion of the front face of the interactive plate located opposite the impact-receiving zone of the additional plate.

Abstract: A method of temporary bonding of an object having first and second opposite surfaces successively including bonding the object to a handle on the side of the first surface, bonding the object to a first adhesive film on the side of the second surface, bonding the first adhesive film to a second adhesive film on the side opposite to the object, and removing the handle from the object.

Abstract: A method of treatment of an electronic circuit including at a location at least one electrically-conductive test pad having a first exposed surface. The method includes the at least partial etching of the test pad from the first surface, and the forming on the electronic circuit of an interconnection level covering said location and including, on the side opposite to said location, a second planar surface adapted for the performing of a hybrid molecular bonding.

Abstract: A method of manufacturing an electronic device, including the successive steps of: a) performing an ion implantation of indium or of aluminum into an upper portion of a first single-crystal gallium nitride layer, to make the upper portion of the first layer amorphous and to preserve the crystal structure of a lower portion of the first layer; and b) performing a solid phase recrystallization anneal of the upper portion of the first layer, resulting in transforming the upper portion of the first layer into a crystalline indium gallium nitride or aluminum gallium nitride layer.