Abstract: A method for manufacturing a HEMT device includes forming, on a heterostructure, a dielectric layer, forming a through opening through the dielectric layer, and forming a gate electrode in the through opening. Forming the gate electrode includes forming a sacrificial structure, depositing by evaporation a first gate metal layer, carrying out a lift-off of the sacrificial structure, depositing a second gate metal layer by sputtering, and depositing a third gate metal layer. The second gate metal layer layer forms a barrier against the diffusion of metal atoms towards the heterostructure.

Abstract: Filtering pulleys for an accessory transmission of an internal combustion engine have a hub, an annular crown provided with a profile configured to cooperate with a transmission belt positioned externally coaxial around an axis (A) to the hub and supported in rotationally free motion on the hub itself, and a filtering unit for transmitting the torque interposed between the hub and the annular crown. The filtering unit has a torsion spring, a carrier, and a torque limiting joint cooperating with each other to transmit a torque between the hub and the crown. The filtering pulleys can include a damping means carried by a member that is integral with one of the hub and crown and configured to provide variable damping according to the torque.

Abstract: A process for depolymerizing plastics of a plastic waste feedback, using a doped silica catalyst.

Abstract: Disclosed are topical mucoadhesive compositions comprising hyaluronic acid or a salt thereof, choline alfoscerate, an ascorbic acid ester at a concentration ranging between 0.050% w/w and 0.0004% w/w, and at least one pharmaceutically acceptable excipient or carrier.

Abstract: Disclosed is a non-flammable thermal insulating composite substrate for motor vehicles including: a textile component constituted by a layer of needle-sewn non-woven fabric composed of a percentage of pre-oxidized polyacrylonitrile fiber included between 40% and 70%, preferably 58% and of the remaining percentage of polyethylene glycol-terephthalate fiber, the textile component having weight preferably 400 gr/m2; and a barrier fixed to the textile component using a spreading process, constituted by a thermoplastic resin based on low density polyethylene added with non-halogen flame retardants, the barrier having weight preferably 100 gr/m2. The composite substrate has the following features: a thickness included between 2 mm and 5 mm, preferably 3.8 mm; a weight included between 300 gr/m2 and 700 gr/m2, preferably 500 gr/m2; odorless; no emission of fumes; dimensionally stable, even at heatstroke, with a maximum variation of 1%; and non-flammability.

Abstract: Systems are provided for an axle arm including a lubricant reservoir and a driveshaft. In one example, system may include a lubricant reservoir of an axle arm comprising a fill line at an edge of a driveshaft, wherein a central axis of the lubricant reservoir is misaligned with a central axis of the driveshaft.

Abstract: The loose product dispenser has a container and a sensor with optical barrier for detecting the presence of loose product in the container, the sensor having a transmitter of a light beam, configured to generate the optical barrier between an entry point and an exit point of the light beam from the container, and a receiver of the light beam, the sensor further has an electronic board on which both the receiver and the transmitter are installed, and a light guide configured and arranged to transmit to the reciever the light beam collected from the exit point.

Abstract: A Stability and Control Augmentation System (“SCAS”) module includes a SCAS actuator. The SCAS actuator has a substantially cylindrical hydraulic chamber having a first and second regions. A piston is arranged for linear motion in first and second directions along an axis of the hydraulic chamber. The SCAS module also includes a valve system for controlling a flow of a hydraulic fluid into the hydraulic chamber. The valve system has: at least one supply line arranged to provide a first fluid flow path to the first region of the hydraulic chamber and/or a second fluid flow path to the second region of the hydraulic chamber, and a moveable valve member arranged to have a position between a first and second positions.

Abstract: A gearbox assembly includes a first gear and a second gear. The first gear includes a plurality of first gear teeth. The second gear includes a plurality of second gear teeth. The plurality of first gear teeth and the plurality of second gear teeth mesh with each other as the first gear and the second gear rotate. A profile shape of at least one first gear tooth of the first gear is characterized by a total profile modification between 66 micrometers and 120 micrometers.

Abstract: In accordance with an embodiment, a method of operating a piezoelectric transducer configured to transduce mechanical vibrations into transduced electrical signals at a pair of sensor electrodes includes stimulating a resonant oscillation of the piezoelectric transducer by applying at least one pulse electrical stimulation signal to the pair of sensor electrodes; detecting, at the pair of sensor electrodes, at least one electrical signal resulting from the stimulated resonant oscillation, wherein the at least one electrical signal resulting from the stimulated resonant oscillation oscillates at a resonance frequency of the piezoelectric transducer; measuring a frequency of oscillation of the at least one electrical signal resulting from the stimulated resonant oscillation to obtain a measured resonance frequency of the piezoelectric transducer; and tuning a stopband frequency of a notch filter coupled to the piezoelectric transducer to match the measured resonance frequency of the piezoelectric transducer.

Abstract: The present invention relates to a lens having a refractive index ?? coated at least partially on at least one of its surfaces with a layer of an anti-scratch lacquer having a refractive index r\2 lower than ?-?, wherein between said lens and said layer of anti-scratch lacquer a coating layer comprising at least 3 sub-layers of at least one compound selected from the group consisting of Zirconium oxide, Silicon oxide, Titanium oxide, Tantalum oxide, Iridium oxide, Silver oxide and Magnesium fluoride is present, and wherein each of said at least 3 sub-layers has a thickness of lower than or equal to 100 nm. The invention also relates to a method for reducing or eliminating the iridescence phenomenon of a lens coated with an anti-scratch lacquer layer having a refractive index lower than the refraction index of the lens.

Abstract: A support device includes a substrate receiving region. The support device includes a support body shaped as a pattern having an array of openings. The support body is a sparse structure wherein a joint area of the openings of the array of openings is 40% or more of the area of the substrate receiving region. The support body includes one or more suction openings configured to be in fluid communication with a vacuum source arrangement.

Abstract: A vertical conduction MOSFET device includes a body of silicon carbide having a first conductivity type and a face. A metallization region extends on the face of the body. A body region of a second conductivity type extends in the body, from the face of the body, along a first direction parallel to the face and along a second direction transverse to the face. A source region of the first conductivity type extends towards the inside of the body region, from the face of the body. The source region has a first portion and a second portion. The first portion has a first doping level and extends in direct electrical contact with the metallization region. The second portion has a second doping level and extends in direct electrical contact with the first portion of the source region. The second doping level is lower than the first doping level.

Abstract: Neuromodulation cryotherapeutic devices and associated systems and methods are disclosed herein. A cryotherapeutic device configured in accordance with a particular embodiment of the present technology can include an elongated shaft having distal portion and a supply lumen along at least a portion of the shaft. The shaft can be configured to locate the distal portion intravascularly at a treatment site proximate a renal artery or renal ostium. The supply lumen can be configured to receive a liquid refrigerant. The cryotherapeutic device can further include a cooling assembly at the distal portion of the shaft. The cooling assembly can include an applicator in fluid communication with the supply lumen and configured to deliver cryotherapeutic cooling to nerves proximate the target site when the cooling assembly is in a deployed state.

Abstract: An entirely disposable combined antimicrobial filter and flowmeter device for spirometry applications comprises a tubular body, with an inlet end portion, an outlet end portion, and an intermediate portion of enlarged diameter in the form of a discoidal shell. In the discoidal shell both an antimicrobial filtering membrane and a discoidal net of plastic material generating a pressure differential are arranged, it has an outer peripheral edge fixed to an inner annular lip of one of said bell-shaped portions of the discoidal shell, said annular lip being coaxial to said cylindrical wall. One of the filtering membrane and the pressure differential generating network has an outer peripheral edge fixed to the cylindrical wall of the discoidal shell, while the other of the filtering membrane and the pressure differential generating network has an outer peripheral edge fixed to an inner annular lip of one of the bell-shaped portions defining the discoidal shell.

Abstract: A guide assembly, comprising: an outer guide member; an inner guide member at least partially enclosed by the outer guide member, the outer guide member and the inner guide member delimiting a space therebetween; an elastic member disposed in the space, enclosing the inner guide member and being compressible along an axial direction; a support member; and an actuation member configured to axially compress the elastic member against the support member. The inner guide member comprises an axially extending guiding surface facing the elastic member for restricting movement of the elastic member in a radial direction perpendicular to the axial direction. A length of an axial overlap between the guiding surface of the inner guide member and the elastic member is at least two thirds of an axial length of the elastic member.

Abstract: A PMUT device includes a membrane element extending perpendicularly to a first direction and configured to generate and receive ultrasonic waves by oscillating about an equilibrium position. At least two piezoelectric elements are included, with each one located over the membrane element along the first direction and configured to cause the membrane element to oscillate when electric signals are applied to the piezoelectric element, and generate electric signals in response to oscillations of the membrane element. The membrane element has a lobed shape along a plane perpendicular to the first direction, with the lobed shape including at least two lobes. The membrane element includes for each piezoelectric member a corresponding membrane portion including a corresponding lobe, with each piezoelectric member being located over its corresponding membrane portion.

Abstract: A pad for disc brakes for railway vehicles includes a base plate, a plurality of friction elements fixed to the base plate, and a plurality of spacers, each of which is mounted between the base plate and a respective friction element. At least one fixing hole is obtained in each one of the spacers, which is engaged by a respective rivet to lock the friction element to the base plate. Each one of the spacers includes a plurality of metal plaques, each having a fixing hole obtained in the plaque. The metal plaques are stacked on top of one another so that the respective fixing holes coincide.

Abstract: A device for supporting scopes, such as telescopes, holographic, laser, red-dot aiming systems, etc., for rifles equipped with rib, is described. The device comprises a body, on which the scope can be fastened, and a plurality of claws slidably mounted on the body. The claws are movable to be opened and closed in response to the displacements imparted by the user to corresponding thrust elements, through a special adjusting grub screw. The body has a longitudinal axis which is aligned with the optical axis of the scope mounted thereon each time. The displacements of the thrust elements take place along the longitudinal axis, while the displacements of the claws take place toward and away from the longitudinal axis, in a direction orthogonal thereto. The device is self-centring, meaning that the claws are closed on the rifle rib, so that the latter is always aligned precisely on the longitudinal axis.

Abstract: A support nanofunctionalised with photocatalytic nanoparticles made of polymeric material, preferably transparent or translucid, characterised by a nanoroughness, measured by means of an electron microscope, comprised between 10 and 150 nm and a macroroughness, measured by means of an electron microscope, comprised between 100 and 600 ?m, wherein said nano and macro-roughness are diffused internally and/or superficially. A process for preparing the nanofunctionalised support is also described. Further, an use of the nanofunctionalised support as a photocatalyst activated by UV and/or visible light, for the decontamination of a fluid, preferably air and/or water, from organic contaminants, bacteria, moulds, odours and a combination thereof is described. Finally, a filtration device comprising at least one nanofunctionalised support of the invention associated with at least one source of UV and/or visible light configured to irradiate said at least one nanofunctionalised support is described.