Abstract: Disclosed is an ultrasonic wave transmission structure which is provided on a path of ultrasonic waves to amplify incident ultrasonic waves. The ultrasonic wave transmission structure includes: multiple rings each provided with a body portion having a different radius from other body portions and spaced apart from another body portion adjacent thereto and a slit disposed between adjacent body portions; and a membrane disposed in the multiple rings, wherein the mass of the membrane is adjusted to vary a resonant frequency in multiple sub-membrane regions.

Abstract: An apparatus and method for processing a substrate can reduce the concentration of process by-products in a chemical solution.

Abstract: A holographic-based directional sound device is provided, the device including: a sound wave generating means generating a sound wave; and a flat plate configured to have the sound wave generating means installed at the center so as to radiate the sound wave to the outside through a surface, and to be composed of a plurality of unit cells, in which at least one groove is formed on a surface of the unit cell, and a radiation angle of the sound wave is determined according to a depth of the groove with respect to the unit cell, wherein the depth of the groove is determined by an individual surface admittance calculated by a cosine function or a sine function of the sum of a first value and a second value on the basis of a preset radiation angle of the sound wave and a preset frequency of the sound wave.

Abstract: An apparatus for manufacturing a semiconductor device includes a substrate transfer unit configured to transfer a substrate, a rail unit including a driving rail extending in a first direction that the substrate transfer unit moves and a stopper on a side of the driving rail in a second direction crossing the first direction, and a lifting unit configured to move in the first direction and a third direction perpendicular to the first and second directions to remove the substrate transfer unit from the rail unit, wherein the lifting unit is configured to contact the stopper to move the stopper from a closed state to an open state.

Abstract: A device configured for a vehicle for supporting and massaging a neck of a passenger is provided. The device is configured such that a neck support pad is integrally formed on a lower end portion of a headrest to hold up and support the neck of a passenger, and a massage device is mounted in the neck support pad to massage the neck of the passenger, thus stably supporting and massaging the neck of the passenger sitting on a seat.

Abstract: A semiconductor device including: a first transistor which include a first gate stack on a substrate; and a second transistor which includes a second gate stack on the substrate, wherein the first gate stack includes a first ferroelectric material layer disposed on the substrate, a first work function layer disposed on the first ferroelectric material layer and a first upper gate electrode disposed on the first work function layer, wherein the second gate stack includes a second ferroelectric material layer disposed on the substrate, a second work function layer disposed on the second ferroelectric material layer and a second upper gate electrode disposed on the second work function layer, wherein the first work function layer includes the same material as the second work function layer, and wherein an effective work function of the first gate stack is different from an effective work function of the second gate stack.

Abstract: A display that includes a display panel and a window laminated with the display panel is presented. The display panel may include: a main panel region including a first side extending in a first direction and a second side extending in a second direction crossing the first direction; a first sub-panel region that is in contact with the first side and is bent; and a second sub-panel region that is in contact with the second side and is bent. A panel corner part of the main panel region adjacent to the first sub-panel region and the second sub-panel region is rounded.

Abstract: The present disclosure relates to a photo-curable composition, a cured product thereof, and an optical member and a display device comprising same. The photo-curable composition has excellent low refractive index, light transmittance, and low haze characteristics by comprising a first olefinic monomer containing fluorine, a second olefinic monomer having an absolute viscosity of 7 cP or less at 25° C., a photo-polymerization initiator, and an amine compound.

Abstract: A semiconductor device includes, first and second source/drain patterns on an active pattern and spaced apart from each other, a first source/drain contact on the first source/drain pattern and including a first source/drain barrier film and a first source/drain filling film on the first source/drain barrier film, a second source/drain contact on the second source/drain pattern, and a gate structure on the active pattern between the first and second source/drain contacts and including a gate electrode, wherein a top surface of the first source/drain contact is lower than a top surface of the gate structure, and a height from a top surface of the active pattern to a top surface of the first source/drain barrier film is less than a height from the top surface of the active pattern to a top surface of the first source/drain filling film.

Abstract: Disclosed is an electronic device. The electronic device according to an embodiment includes a plurality of antennas, and a communication circuit electrically connected with the plurality of antennas. The communication circuit includes a plurality of circuits receiving a signal in a first band and is configured to simultaneously receive the signal in the first band through two or more circuits of the plurality of circuits from two or more antennas, which are positioned adjacent to each other, from among the plurality of antennas. The number of the plurality of antennas is the same as the number of plurality of circuits.

Abstract: A conductive polymer composite for adhesion to a flexible substrate contains a polymer adhesive containing a curable polymer and a curing agent; and a conductive filler containing a metal and a carbonaceous material dispersed in the polymer adhesive. The conductive polymer composite is suitable for application to not only the human body but also other objects having irregular surface. In addition, due to enhanced adhesive strength of the conductive polymer composite to the flexible substrate, the reduction in conductivity or conductivity breakdown caused by external stress can be prevented and flexibility and stretchability can be improved.

Abstract: The present disclosure relates to a stretchable electrode, a method for preparing the same and a stretchable battery including the stretchable electrode. The stretchable electrode of the present disclosure, which is prepared by crosslinking a hydroxyl-functionalized fluorine-based polymer binder physically using a ketone-based solvent or chemically with a crosslinking agent, has superior stretchability, has improved interfacial adhesivity to an active material through Fenton's oxidation, exhibits improved stability under various mechanical deformations of the electrode such as stretching, etc. and can uniformly maintain the electrical conductivity, battery capacity and charge-discharge performance of the electrode.

Abstract: The present disclosure relates to a thermosetting composition, an optical member formed therefrom, and a display device, the composition comprising a thermosetting resin, gas-containing particles and a monomer or an oligomer having two or more thermosetting functional groups, thereby having optical effects such as a low refractive index of 1.40 or less on light with a wavelength of 450 nm, high light transmittance, and low haze.

Abstract: Provided is a current mirror circuit and a neuromorphic device including the current mirror circuit and provides a current mirror circuit that causes an ideal current to flow through the current mirror circuit by using a compensation circuit, and a neuromorphic device including the current mirror circuit.

Abstract: A method of manufacturing a semiconductor device includes forming a first pattern structure having a first opening and a second pattern structure having a second opening on a substrate, forming a gap fill layer in the second opening, forming fences and contact structures in the first opening, removing the gap fill layer in the second opening, forming an upper conductive layer to cover the first and second pattern structures, the fences, and the contact structures, forming a mask pattern based on a photolithography process using the second pattern structure covered by the upper conductive layer as an align mark, and etching the upper conductive layer using the mask pattern to form upper conductive patterns. A width of the second opening is larger than a width of a first opening. A thickness of the upper conductive layer is smaller than a depth of the second opening.

Abstract: The present invention relates to an apparatus and method capable of performing immediate impedance matching according to changes of a distance and positions between TX/RX coils. The present invention includes: an impedance adjustment unit including a voltage-controlled variable capacitance device; a power detector configured to detect a reflection signal which enters the transmitter or receiver when there is no impedance matching to measure a magnitude of the reflection signal and convert the reflection signal into a DC signal; a multiplier configured to multiply the DC signal with a periodic signal; an integrator configured to accumulate and add a signal in which the DC signal and the periodic signal are multiplied; and a voltage summer configured to sum a signal output from the integrator with a reference voltage to calculate a capacitance control voltage to be applied to the voltage-controlled variable capacitance device.

Abstract: Provided is an apparatus for stably removing plugging even in a state in which combustible gas or liquid remains in a pipe and precisely removing plugging even using small force.

Abstract: The present invention relates to an apparatus and method capable of performing immediate impedance matching according to changes of a distance and positions between TX/RX coils. The present invention includes: an impedance adjustment unit including a voltage-controlled variable capacitance device; a power detector configured to detect a reflection signal which enters the transmitter or receiver when there is no impedance matching to measure a magnitude of the reflection signal and convert the reflection signal into a DC signal; a multiplier configured to multiply the DC signal with a periodic signal; an integrator configured to accumulate and add a signal in which the DC signal and the periodic signal are multiplied; and a voltage summer configured to sum a signal output from the integrator with a reference voltage to calculate a capacitance control voltage to be applied to the voltage-controlled variable capacitance device.

Abstract: Disclosed is a method of manufacturing a transparent stretchable substrate according to various embodiments of the present disclosure. The method may include generating a substrate part formed of an elastic material, generating an auxetic including a plurality of unit structures on the substrate part, and generating a fixing part on the substrate part on which the auxetic is generated.

Abstract: A highly-dielectric, elastic structure includes an elastic body that is highly-dielectric and includes a polymer matrix that including 1000 pbw of a polydimethylsiloxane (PDMS) base and 100 pbw of a PDMS curing agent, and has a tensile strength of 0.1 to 10 MPa; and 22.4 pbw of carbon black that is surface-treated with octadecyltrimethoxysilane (ODTMS) in an amount of at least 0.707 mmol per 22.4 pbw of the carbon black, and that is dispersed in the polymer matrix and cured; and an adhesive electrode that is stretchable, that is disposed on the elastic body, and that includes a polymer adhesive including a 500 pbw of a thermosetting silicone-based polymer adhesive including a curable polymer and a curing agent; and a conductive filler comprising 500 pbw of silver particles and 4000 pbw of a carbonaceous material that is a multi-walled carbon nanotube that are dispersed in the polymer adhesive and cured.