Abstract: A thinner composition includes a multifunctional carboxylic acid compound, a first organic solvent having a dielectric constant of 35 or more, and a second organic solvent having a dielectric constant of less than 35. When including organic solvents having different dielectric constants together and the multifunctional carboxylic acid compound, an amount of the photoresist used may be reduced and thickness uniformity of the photosensitive film may be implemented.

Abstract: A multilayered capacitor according to present disclosure includes a dielectric layer including an aluminum nitride (AlN)-based compound, the aluminum nitride-based compound includes AlN, or a doped AlN compound in which AlN is doped with Ni, Co, Mn, Cr, V, Zn, Re, Ta, Nb, Ti, Zr, Mg, Sc, Er, Y, La, or a combination thereof, and a crystal orientation of the aluminum nitride-based compound is a c-axis crystal orientation.

Abstract: A multilayered capacitor according to present disclosure includes a dielectric layer including an aluminum nitride (AlN)-based compound, the aluminum nitride-based compound includes AlN, or a doped AlN compound in which AlN is doped with Ni, Co, Mn, Cr, V, Zn, Re, Ta, Nb, Ti, Zr, Mg, Sc, Er, Y, La, or a combination thereof, and a crystal orientation of the aluminum nitride-based compound is a c-axis crystal orientation.

Abstract: A printed circuit board includes a substrate portion including a first insulating layer, s first wiring layers disposed on or within the first insulating layer, and a first via layer penetrating through at least a portion of the first insulating layer to connect the first wiring layers to each other, and a connection structure disposed within the substrate portion and including a capacitor portion, a passivation layer covering the capacitor portion, and a wiring portion disposed on the passivation layer.

Abstract: A printed circuit board and a method of manufacturing the same. The printed circuit board includes: a first insulating layer; and a plurality of first metal patterns disposed on the first insulating layer, wherein the first insulating layer has at least one recessed portion, the recessed portion is disposed between the plurality of first metal patterns, and each of the plurality of first metal patterns includes a first seed metal layer disposed on the first insulating layer, a second seed metal layer disposed on the first seed metal layer, and a metal pattern layer disposed on the second seed metal layer.

Abstract: An aerosol-generating medium manufacturing system according to various embodiments may comprise: a chamber defining a manufacturing space; a medium source unit disposed in the manufacturing space; a heating unit for heating the medium source unit in order to release a transition material from the medium source unit; a circulation unit for circulating the transition material; and a transition unit that is transferred to the transition material.

Abstract: An aerosol-generating system according to various embodiments includes: an aerosol-generating article including a medium segment; and an aerosol-generating device, wherein the aerosol-generating article further includes: a first filter segment arranged at the upstream of the medium segment; and a second filter segment arranged at the downstream of the medium segment, and nicotine may be adsorbed to at least one of the first filter segment and the second filter segment.

Abstract: An aerosol-generating article according to various embodiments includes a first segment and a second segment disposed downstream of the first segment, wherein nicotine is adsorbed on the first segment and the second segment, and the amount of nicotine adsorbed per unit length of the first segment may be equal to or greater than the amount of nicotine adsorbed per unit length of the second segment.

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: 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 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.