Abstract: A heating mold for thermal nanoimprint lithography comprising resistive heating means and collecting means for collecting the electromagnetic energy of a variable electromagnetic field emitted by a source located outside the mold, said collecting means being connected to said resistive heating means (34) in which said energy is dissipated. Method for manufacturing this mold. A thermal nanoimprint lithography device comprising said mold. A method for preparing a substrate comprising a surface nanostructured by a thermal nanoimprint lithography technique, wherein said mold is applied.

Abstract: This method for detecting a disturber of magnetic field amplitude comprises: the emitting (62) of several magnetic fields of different frequencies from a same uniaxial magnetic field source, the amplitudes of the magnetic field emitted at two different unspecified frequencies being related to each other by a predetermined ratio, the measurement (64) of the amplitude of these magnetic fields at different frequencies by means of a same sensor, and the reporting (70) of an amplitude disturber if a ratio between two of said measured amplitudes diverges from a predetermined threshold of the predetermined ratio which relates the amplitudes of the magnetic fields emitted at the same frequencies and, if not, the absence of any reporting

Abstract: A converter circuit for connecting to a source of electrical energy that is capable of major fluctuations in delivered power. The circuit includes a chopper circuit having a variable duty cycle, a variable-size chopper switch and an input terminal connectable to said electric energy source; at least one first output circuit adapted to being connected via a variable-size chopper switch to an output terminal of the chopper circuit; and a control circuit configured to control firstly the duty cycle of the chopper circuit and secondly the size of said variable-size switches as a function of the power delivered by said electrical energy source.

Abstract: The invention pertains to a method for manufacturing a microelectronic device on a substrate comprising at least one first electrical component and one second electrical component distributed respectively in first and second levels stacked one on top of the other on the substrate, this method comprising: the manufacture of at least one first arm and one second arm of different lengths, each of these arms directly and mechanically linking an electrical pad to a fixed anchoring point on the substrate, and the electrical pad is made inside the first level and then shifted, prior to the electrical connection of the second component, to a position of connection wherein the upper face of the electrical pad is in contact with the interior of the second level parallel to the substrate.

Abstract: A mold for nanoimprint lithography assisted by a determined wavelength is disclosed. According to some aspects, a layer made from a first material including, on a first face, a layer made from a second rigid material in which n structured zones with micrometric or nanometric patterns (n?1) are made, and, on the face opposite said first face, a layer made from a third rigid material in which n recesses are formed, opposite the n structured zones. The n recesses are filled with a fourth material to form n portions. The transmittance at the determined wavelength of the layer of third material is lower than the transmittance of any one of the n portions; and the transmittance of the layers of first, second, and third materials at the determined wavelength ?det is such that the transmission of a light with determined wavelength ?det through said layers is lower than the transmission of the light through any one of the n portions and the layers of first and second materials.

Abstract: This radiofrequency oscillator has a free layer (10) and/or a reference layer formed by a stacking of at least three ferromagnetic or ferrimagnetic layers coupled to one another by an RKKY (Ruderman-Kittel-Kasuya-Yosida) coupling and among which at least two sub-layers are magnetically coupled to each other by an antiferromagnetic RKKY coupling.

Abstract: This method for detecting a magnetic disturber method comprises: the measurement (52) of the magnetic field emitted by the emitter by at least two triaxial sensors placed at different known positions, , for each sensor, the determining, (54) from the magnetic field measured by this sensor, of the coordinates of a direction vector collinear with an axis passing through the geometrical center of the emitter and the geometrical center of this sensor, the geometrical center of the emitter being the point at which there is located a magnetic field point source which models this emitter and the sensor being capable of being modeled by a point transducer situated at a point where the magnetic field is measured and constituting the geometrical center of this sensor, verification (56;70) that the smallest distance between the axes, each collinear each with one of the direction vectors, is smaller than a predetermined limit, and if this is not the case, the reporting (64) of the presence of a magnetic disturber and,

Abstract: This method for determining a person's activity in surroundings equipped with electrical appliances that are switchable, in response to a command from the person, between an ‘on’ mode and an ‘off’ mode, wherein the method comprises: the measuring of the magnetic field produced by one of the electrical appliances by means of a magnetometer carried by the person, the identifying of the electrical appliance in ‘on’ mode in proximity to the magnetometer by comparing the measured magnetic field with the pre-recorded magnetic signatures of these electrical appliances in ‘on’ mode, and the determining of the activity of the person on the basis of a pre-recorded activity identifier associated with the electrical appliance identified as being in ‘on’ mode on the basis of its magnetic signature.

Abstract: This method for localizing a person in surroundings equipped with fixed electrical appliances comprises: the measuring of an electromagnetic field radiated by one or more of these fixed electrical appliances by means of a magnetometer carried by the person to be localized, the identifying of the fixed electrical appliance operating in proximity to the magnetometer by comparing the measured magnetic field with pre-recorded magnetic signatures, each pre-recorded magnetic signature being associated with a respective electrical appliance present in the surroundings, and localizing the person from pre-recorded items of information on the localization in the surroundings of the fixed electrical appliance identified by its magnetic signature.

Abstract: The invention concerns a device for encapsulating an element within a microcavity made on a support (10), this device comprising an encapsulating membrane (12) capable of forming at least one part of the microcavity, characterized in that the device comprises at least one arm which mechanically attaches the membrane to the support, this arm being capable of bending so as to shift the membrane between: an open position in which the membrane overhangs the element to be encapsulated and its periphery defines an aperture extending around the element to be encapsulated, and a shut position in which the periphery of the encapsulation membrane rests on the support to obstruct this aperture.

Abstract: The invention pertains to a method for exciting a resonant element (14) of a microstructure (1), this element being mobile according to one degree of freedom. The method comprises a step for applying a charged particle beam (51) to said microstructure, the beam being configured so as to drive the element in an alternating motion depending on its degree of freedom.

Abstract: This overhead projector comprises: a screen (4) equipped with a frame and a translucent panel tautened on this frame, the translucent panel having a front face (20) on which the images are displayed and a rear face (8) on which the images are projected, the screen (4) being capable of being shifted between a retracted position and a stretched position in which the surface area of the panel is increased by at least 10% relatively to the surface area of the panel in its retracted position an apparatus (5) for projecting images on the rear face of the translucent panel this apparatus (5) being capable of adapting the size of the projected images to the retracted position as well as to the stretched position of the screen.

Abstract: The present invention relates to a magnetic recording medium (100). The invention finds a particularly interesting application in the field of data stored on hard disks. The medium (100) comprises an assembly of magnetic zones disposed on a substrate (102), each magnetic zone comprising at least one first (C?1) and one second (C?2) stacked magnetic layers separated from each other by a non-magnetic layer (NM?). In addition, said first magnetic layer (C?1) presents magnetization substantially oriented parallel to the plane of said substrate (102) and said second magnetic layer (C?2) presents magnetization substantially oriented perpendicular to the plane of said substrate (102).