Abstract: A method for producing a nickel sulfate solution includes a leaching step of leaching a nickel cathode in sulfuric acid under a high temperature and a high pressure to produce a leachate, a neutralization step of neutralizing the leachate produced in the leaching step to produce a neutralized solution, and a filtration step of filtering the neutralized solution produced in the neutralization step to produce a filtrate.

Abstract: The present invention provides an electromagnetic wave-absorbing composite material and a manufacturing method therefor, the electromagnetic wave-absorbing composite material comprising: a polymer composite including a refractive index-adjusting material therein; and a plurality of conductive wires formed on at least one surface of the polymer composite, wherein electromagnetic waves reflected in a matching frequency (f) range derived through Mathematical Formulas 1 to 3 described in the present invention are 0.2 dB or less.

Abstract: The lead implanted in a body to apply electrical stimulation to body organs may include: an electrode wire having one end provided as an insertion portion to be inserted into a body and the other end provided as an interface portion for connection with an external device to transmit a stimulation signal: a plurality of first electrodes in the insertion portion; a plurality of second electrodes on the interface portion; and a plurality of signal lines interconnecting the first electrodes and the second electrodes, wherein the insertion portion of the electrode wire includes a plurality of support portions on which the first electrodes are respectively disposed and a plurality of stretchable portions between the support portions and expandable and contractible, and further includes an operation unit for pushing or pulling each support portion in a longitudinal direction of the electrode wire to adjust a position of the support portion.

Abstract: An implantable lead having adjustable electrode locations and a system for controlling the same. The implantable lead may include a plurality of first electrodes exposed and formed at an upper part of a main body at given intervals, a plurality of second electrodes coupled to a stepped lower part of the main body and configured to deliver a stimulus signal to a core area into which the lead is inserted, and a plurality of signal lines embedded in the main body and configured to connect the first electrodes and the second electrodes in a one-to-one manner. In this case, a slot for coupling and up and down movement of the second electrodes may be formed in the lower part. As the second electrodes are individually moved along the slot by an external force acting on the signal lines, locations of the second electrodes in the lower part may be adjusted.

Abstract: A semiconductor nanoparticle including a first semiconductor nanocrystal including silver, indium, gallium, and sulfur, and a semiconductor nanoparticle including a second semiconductor nanocrystal including zinc, gallium, and sulfur, a method of manufacturing the same, and an electronic device including the same. The semiconductor nanoparticle is configured to emit a green light. The green light has a peak emission wavelength of about 500 nanometers to about 580 nanometers. In the semiconductor nanoparticle, a molar ratio of zinc to indium is about 0.1:1 to about 10:1.

Abstract: An embodiment provides: a negative electrode active material for a lithium secondary battery, wherein the negative electrode active material has silicon nanoparticles distributed in a silicon alloy and contains a Si—Al—Ni—B composition; and a method for producing same. Accordingly, a negative electrode active material for a lithium secondary battery can be provided, wherein the negative electrode active material has a controlled volume expansion rate and excellent electrical properties.

Abstract: A hot melt adhesive composition is provided that includes: a diblock copolymer including a styrene-based monomer-derived unit and a conjugated diene-based monomer-derived unit; a triblock copolymer which is a coupled polymer of the diblock copolymer; and a crosslinked block copolymer including a crosslinking agent-derived crosslinked part crosslinked with two or more of the diblock copolymer and the triblock copolymer. The conjugated diene-based monomer-derived unit includes an isoprene-derived unit and an epoxidized isoprene rubber.

Abstract: A display device includes light emitting pixels that emit light, photosensors each controlling a sensed current according to an incident light, and a read-out circuit that senses the sensed current of each of the photosensors and converts the sensed current into digital sensed data. In a sensing mode including a first frame period and a second frame period, the light emitting pixels include first sensing pixels that emit the light during the first frame period and second sensing pixels that do not emit the light during the first frame period, the photosensors include first photosensors and second photosensors, and a first distance between any one of the first sensing pixels and a first photosensor adjacent to the first sensing pixel among the first photosensors is greater than a second distance between the first sensing pixel and a second photosensor adjacent to the first sensing pixel among the second photosensors.

Abstract: A semiconductor device including a substrate; a lower structure including a sealing layer on the substrate and a support layer on the sealing layer, the sealing layer and the support layer both including a semiconductor material; a mold structure on the lower structure and having an interlayer insulating film and a conductive film alternately stacked therein; a channel hole penetrating the mold structure; a channel structure extending along sidewalls of the channel hole; an isolation trench penetrating the mold structure and extending into the lower structure; and a poly liner extending along sidewalls of the isolation trench, the poly liner being connected to the lower structure and including the semiconductor material.

Abstract: Provided are a composite separator including a coating layer including inorganic particles and a binder formed on a porous substrate, which has improved coatability and improved thermal shrinkage, and a lithium secondary battery using the same.

Abstract: A printed circuit board includes a substrate portion including a first insulating layer, and a first wiring layer disposed on or in the first insulating layer, and a connection structure disposed on or in the substrate portion, the connection structure including a plurality of first dielectric layers, first and second metal layers respectively disposed on the plurality of first dielectric layers, a second insulating layer disposed on the plurality of first dielectric layers, and a second wiring layer disposed on the second insulating layer. Each of the plurality of first dielectric layers includes an organic material. A distance between the first metal layer and the second metal layer is less than a distance between the first metal layer and the second wiring layer.

Abstract: A lens includes a lens portion; a multilayer anti-reflective (AR) coating layer, including either one or both of a low refractive index layer and a high refractive index layer, disposed on one surface of the lens portion; and a water-repellent layer, including a water repellent, disposed on one surface of the multilayer AR coating layer. Either one or both of the low refractive index layer and the high refractive index layer are formed of a nitride-based material with a band gap greater than 3.1 eV.

Abstract: A bulk acoustic resonator includes an active region in which a first electrode disposed on a substrate, a piezoelectric layer disposed on the first electrode in a height direction, and a second electrode disposed on the piezoelectric layer in the height direction overlap each other in the height direction; a peripheral region in which the first electrode or the second electrode extends outwardly from the active region so that the first electrode and the second electrode do not overlap each other in the height direction in the peripheral region; and an auxiliary layer disposed in the peripheral region, wherein a first cutoff frequency of the active region is substantially equal to a second cutoff frequency of the peripheral region.

Abstract: A method for producing a nickel sulfate solution includes a leaching step of leaching a nickel cathode in sulfuric acid under a high temperature and a high pressure to produce a leachate, a neutralization step of neutralizing the leachate produced in the leaching step to produce a neutralized solution, and a filtration step of filtering the neutralized solution produced in the neutralization step to produce a filtrate.

Abstract: A lens includes a lens unit, an intermediate layer disposed on one surface of the lens unit, a first coating layer including a UV improving additive and disposed on one surface of the intermediate layer, and a second coating layer including a water repellent and disposed on one surface of the first coating layer.

Abstract: A method for producing a nickel sulfate solution includes a leaching step of leaching a nickel cathode in sulfuric acid under a high temperature and a high pressure to produce a leachate, a neutralization step of neutralizing the leachate produced in the leaching step to produce a neutralized solution, and a filtration step of filtering the neutralized solution produced in the neutralization step to produce a filtrate.

Abstract: A bulk acoustic resonator filter includes: a series bulk acoustic resonator electrically connected, in series, between first and second ports through which a radio frequency (RF) signal passes; a second shunt bulk acoustic resonator, electrically shunt connected between the series bulk acoustic resonator and a ground and having a resonance frequency lower than that of the series bulk acoustic resonator; and a first shunt bulk acoustic resonator electrically connected to the second shunt bulk acoustic resonator in series and having a resonance frequency higher than that of the second shunt bulk acoustic resonator. One or both of the series bulk acoustic resonator and the first shunt bulk acoustic resonator includes a first electrode disposed above a substrate; a piezoelectric layer disposed on the first electrode; a second electrode disposed on the piezoelectric layer; and a trench formed in an upper surface or above the second electrode and recessed downwardly.

Abstract: A lens includes a lens unit; an anti-reflective (AR) coating layer, disposed on one surface of the lens unit, including a first coating layer and a second coating layer alternately stacked one or more times, wherein a refractive index of the first coating layer is different from a refractive index of the second coating layer; and an intermediate layer, disposed between the lens unit and the AR coating layer, is formed of a same material as the first coating layer or the second coating layer. The intermediate layer is disposed on the lens unit by chemical vapor deposition (CVD).

Abstract: An aerosol generating article includes: a first segment arranged at an upstream end inserted into an aerosol generating device; a second segment arranged at a downstream end of the first segment; a cooler arranged at a downstream end of the second segment and including a cooling element; and a filter arranged at a downstream end of the cooler and including a filter element, wherein the first segment includes a paper sheet impregnated with a first liquid composition, the second segment includes a paper sheet impregnated with a second liquid composition, each of the first liquid composition and the second liquid composition includes at least one of a tobacco material, a moisturizer, and a flavor material, and the first liquid composition and the second liquid composition have different compositions from each other.

Abstract: A vehicle configured for container-swapping, includes: a main frame including a pair of drive modules spaced in a forward/backward direction of the vehicle, and a connecting portion extending in the forward/backward direction of the vehicle to connect the pair of drive modules so that a coupling space is formed therebetween; a container module selectively inserted into the coupling space of the main frame; and a coupling portion configured to couple the main frame and the container to each other while the container module is inserted into the coupling space of the main frame, wherein a driving portion operates and moves the main frame so that the container module is inserted into the coupling space of the main frame.