Abstract: The invention relates to lithium batteries comprising at least one electrochemical cell comprising an electrolyte conducting lithium ions comprising at least one sulfone solvent, at least one additive selected from among anhydride compounds and at least one lithium salt, which electrolyte is positioned between a positive electrode comprising, as an active material, a lithiated oxide of formula LiNi0.4Mn1.6O4 or LiNi0.5Mn1.5O4 and a negative electrode comprising, as an active material, Li4Ti5O12.

Abstract: The present invention relates to an extract of algae from the order of ulvales, in particular an extract of green algae of the Ulva type, for its use for modulating the immune response in a human being or an animal, in particular for stimulating the immune response with view to infections. It also relates to the non-therapeutic use of an extract of green algae of the Ulva type for modulating the immune response.

Abstract: A device for measuring an electric field in a conducting medium comprises: two electrodes separated by a volume of an insulating medium; a device for measuring current coupled to said electrodes; and adjustment elements making it possible to vary a quantity on which the electrical conductivity of the field measuring device depends.

Abstract: A device for measuring an electric field in a conducting medium, including: two electrodes separated by a volume of an insulating material; a current measurement device; a voltage measurement device; and a switch enabling to alternately connect the current measurement device and the voltage measurement device between the electrodes.

Abstract: A device for measuring an electric field in a conducting medium, including: an insulating enclosure; first, second, and third pairs of electrodes, the electrodes of a same pair being arranged on opposite external walls of the enclosure, and the electrodes of the first, second, and third pairs being centered on first, second, and third orthogonal axes; a first conductive coil; a first pair of switches enabling to alternately connect the first coil between the electrodes of the first, of the second, and of the third pair of electrodes; and a single magnetometer.

Abstract: A magnetic shielding including at least one side wall defining a cavity to contain an object to be magnetically isolated. The side wall includes between three and five layers of ferromagnetic metallic material and between three and five layers of polymer material including a ferromagnetic powder. Two adjacent metallic layers are separated by a polymer material layer.

Abstract: A method for blocking an optical lens (100) on a holding unit (200) thanks to a thermoplastic material layer (310) comprising the steps of: a) providing around the holding unit (200) a removable part (500) comprising an upper part surface (510) which is arranged so as to extend the upper assembling surface (210) of the holding unit and not to contact the bottom lens surface (120); b) providing a predetermined volume of a thermoplastic material; c) orientating the lens (100) in a desired spatial configuration; d) positioning the lens (100) contacting the thermoplastic material of step b) at a soften or melted state and pressing the lens (100) so as to keep the lens spatial configuration constant and to let the thermoplastic material flow from the upper assembling surface (210) of the holding unit to at least a part of the upper part surface (510) of the removable part (500); e) removing the removable part.

Abstract: A magnetometer including a detector configured to measure the amplitude of an output signal at an oscillation frequency to deduce a component of a magnetic field to be measured starting from the value of a resonance gradient, including a main excitation source outputting a measurement signal oscillating at a main oscillation frequency and a secondary excitation source outputting a reference signal with known amplitude oscillating at a secondary oscillation frequency, the detector being configured to measure the output signal amplitude at a harmonic of the secondary oscillation frequency and to deduce said resonance gradient. The invention also applies to a network of magnetometers and a method of measuring a magnetic field without slaving and compensation of fluctuations of the resonance gradient.

Abstract: This process comprises steps of: a) providing a first substrate comprising the active layer made of a first material of Young's modulus E1 and of thickness h1; b) providing a second substrate made of a second material of Young's modulus E2 and of thickness h2; c) bending the first substrate and the second substrate such that they each have a curved shape of a radius of curvature R; d) joining the second substrate to the active layer such that the second substrate closely follows the shape of the first substrate; and e) re-establishing the initial at-rest shape of the second substrate, the process being noteworthy in that the second material of the second substrate is a flexible material respecting the relationship E2/E1<10?2, in that the thickness of the second substrate respects the relationship h2/h1?104, and in that the radius of curvature respects the relationship R = h 2 2 ? ? ? .

Abstract: A method of deblocking a lens component (1) fixed on a thermoplastic block (2) of an ophthalmic lens block comprising the steps of: a) applying a pushing strain on the surface (14) of the lens component fixed on the thermoplastic block; b) providing a warm gas flow at the interface between the lens component (1) and the thermoplastic block; and maintaining the pushing strain during the step of providing the warm gas flow at the interface between the lens component and the thermoplastic block, wherein the stress applied to obtain the pushing strain of step a) is greater or equal to 0.1 MPa and/or less or equal to 1 Mpa, and wherein the temperature of the warm gas flow of step b) is greater or equal to 30° and/or less or equal to 70° C.

Abstract: This process comprises steps of: a) providing a first substrate comprising the active layer made of a first material of Young's modulus E1 and of thickness h1; b) providing a second substrate made of a second material of Young's modulus E2 and of thickness h2; c) bending the first substrate and the second substrate such that they each have a curved shape of a radius of curvature R; d) joining the second substrate to the active layer such that the second substrate closely follows the shape of the first substrate; and e) re-establishing the initial at-rest shape of the second substrate, the process being noteworthy in that the second material of the second substrate is a flexible material respecting the relationship E2/E1<10?2, in that the thickness of the second substrate respects the relationship h2/h1?104, and in that the radius of curvature respects the relationship R = h 2 2 ? ? ? .

Abstract: An IC including first and second FDSOI UTBOX cells arranged in a row, the first having an nMOS transistor arranged plumb with and above a ground plane and an N-type well, and a pMOS transistor arranged plumb with and above a ground plane and a P-type well, the N-type well and the P-type well being arranged on either side of a row axis, wherein the second includes a diode protecting against antenna effects or a well tap cell, the second cell comprising a P-type well arranged in the alignment of the P-type well of the pMOS transistor and comprising an N-type well arranged in the alignment of the N-type well of the nMOS transistor, the second cell comprising a metal connection coupled to its P-type well and coupled to a higher-level metal connection element arranged plumb with the N-type well, the metal connection extending on either side of the axis.

Abstract: A passive radiofrequency microelectronic components for an integrated circuit which includes a dielectric substrate and at least one metal conductive layer positioned on said substrate. The conductive layer including at least one first metal conductive portion and a second metal conductive portion separated by an insulation. A microelectronic component according to the invention includes at least one graphene layer positioned so that a radiofrequency or hyperfrequency signal crosses said at least one graphene layer when it is transmitted between said first metal conductive portion and said second metal conductive portion, said graphene layer being able, when it is subject to an electric potential, to transmit said radiofrequency or hyperfrequency signal along a first direction and to attenuate said radiofrequency or hyperfrequency signal along a second direction opposite to said first direction.

Abstract: The invention relates to a magnetic field measurement device, including a detector (4) configured to measure the amplitude of an output signal at a harmonic of an oscillation frequency of an excitation source, said amplitude being proportional to the magnetic field (B) to be measured, characterised in that it comprises an excitation circuit configured to associate with a principal excitation source (B1cos?t) oscillating at a principal oscillation frequency at least one secondary excitation source (B2cos(?/3t+?2)) oscillating at a secondary oscillation frequency that is a fraction of the principal oscillation frequency, said fraction being odd if said harmonic is odd, and even if said harmonic is even.

Abstract: This method makes it possible to carry out the auto-calibration of the electromagnetic coils of an apparatus such as an atomic clock, a magnetometer or a gyroscope by injecting successive currents into the coils and measuring the magnetic fields induced in order to calculate the transfer coefficients (field/current) of each of the coils and the real angles that they form with very great precision.

Abstract: A magnetic resonance optical pumping isotropic magnetometer including a laser, a gas filled cell, a HF discharge circuit, RF magnetic field generating coils surrounding the cell, a first frequency regulating mechanism of an RF generator, a second polarization regulating mechanism of the laser beam, and a third regulating mechanism of the direction of the RF magnetic field. The direction of polarization of the laser beam at an inlet of the cell is orthogonally aligned with the magnetic field to be measured by virtue of a liquid crystal polarization rotator. The magnetometer is well-adapted to an integrated arrangement.

Abstract: Methods of fabrication of electronic modules comprise, on the one hand, power electronic components fabricated on a substrate made of gallium nitride (GaN) and, on the other hand, micro-switches using electrostatic activation of the MEMS (Micro Electro Mechanical System) type. The electronic components and the micro-switches are fabricated on a single gallium nitride substrate and the fabrication method comprises at least the following steps: fabrication of the power components on the gallium nitride substrate; deposition of a first common passivation layer on said components and on the substrate; fabrication of the micro-switches on said substrate.

Abstract: An IC including first and second FDSOI UTBOX cells arranged in a row, the first having an nMOS transistor arranged plumb with and above a ground plane and an N-type well, and a pMOS transistor arranged plumb with and above a ground plane and a P-type well, the N-type well and the P-type well being arranged on either side of a row axis, wherein the second includes a diode protecting against antenna effects or a well tap cell, the second cell comprising a P-type well arranged in the alignment of the P-type well of the pMOS transistor and comprising an N-type well arranged in the alignment of the N-type well of the nMOS transistor, the second cell comprising a metal connection coupled to its P-type well and coupled to a higher-level metal connection element arranged plumb with the N-type well, the metal connection extending on either side of the axis.

Abstract: A method of deblocking an ophthalmic lens component (100) blocked on a thermoplastic layer (310) arranged on the holding surface (210) of a lens holding block (200) comprising the step of applying a pushing force on the thermoplastic layer (310), wherein the pushing force is greater or equal to 100 N and smaller or equal to 1000 N and wherein the pushing force is applied in a region of the thermoplastic layer (310) situated at a distance of at least 17.5 mm from the fitting point or prism reference point of the ophthalmic lens component (100).

Abstract: A method for blocking an optical lens (10) comprising a moving step in which the optical lens (10) is moved from a first reference position (P1) to a second reference position (P2), so as to be in contact with a blocking material (14), the blocking material (14) being in a molding block (16), the second reference position (P2) being a function of the first reference position (P1), wherein the method further comprises an orienting step in which the optical lens (10) is oriented in the first reference position (P1) and placed on a plurality of pre-located pins (18) which are vertically translated into a preset position (Z1, Z2, Z3), so that, when the optical lens (10) is placed on the plurality of pre-located pins (18), the optical lens (10) is oriented in the first reference position (P1) where the prism of the optical lens (10) corresponds to a desired prism (?f, ?f, Zf).