Abstract: A rechargeable lithium battery may include a positive electrode including a positive electrode active material; a negative electrode including a negative electrode active material; and an electrolyte, wherein an active mass density of the negative electrode is greater than or equal to about 1.

Abstract: A semiconductor device has a substrate including an antenna formed in a first area of the substrate. A first electrical component is disposed over a second area of the substrate. A conductive pillar is disposed on the substrate adjacent to the first electrical component. A second electrical component is disposed on the conductive pillar and over the first electrical component. An interconnect structure is disposed over a third area of the substrate. A first encapsulant is deposited over the first electrical component and interconnect structure. A second encapsulant is deposited over the second electrical component. A third encapsulant is disposed over the antenna. The third encapsulant includes a higher dielectric constant than the first encapsulant and second encapsulant.

Abstract: A circuit board according to an embodiment includes a first substrate layer; and a second substrate layer disposed on the first substrate layer and including a cavity, wherein the cavity of the second substrate layer includes a first part disposed adjacent to an upper surface of the second substrate layer and having a first inclination such that a width gradually decreases toward a lower surface of the second substrate layer; and a second part disposed below the first part adjacent to the lower surface of the second substrate layer and having a second inclination such that a width gradually decreases toward the lower surface of the second substrate layer, and the first inclination of the first part relative to a bottom surface of the cavity is greater than the second inclination of the second part relative to the bottom surface of the cavity, and a vertical length of the first part is different from a vertical length of the second part.

Abstract: A chemical simulation apparatus may include a training data generation module configured to sample a molecular structure to be learned, set a wave function, and extract an energy value with respect to the molecular structure based on a quantum computing, a fingerprint conversion module configured to convert structure calculated in the quantum computing into a fingerprint, a learning module configured to perform a neural network learning by using the converted fingerprint as an input, and a prediction module configured to predict material energy or physical properties by using the learned neural network.

Abstract: Provided are a black phosphorus-two dimensional material complex and a method of manufacturing the black phosphorus-two dimensional material complex. The black phosphorus-two dimensional material complex includes: first and second two-dimensional material layers, which each have a two-dimensional crystal structure and are coupled to each other by van der Waals force; and a black phosphorus sheet which between the first and second two-dimensional material layers and having a two-dimensional crystal structure in which a plurality of phosphorus atoms are covalently bonded.

Abstract: A dish washer includes a cabinet; a tub in the cabinet; a sump underneath the tub; a case brake on a side wall of the tub and connected to the sump; a water supply valve connected to an external water supply source; a filter assembly between the water supply valve and the case brake and including a plurality of flow path valves to open or close a plurality of flow paths corresponding to the plurality of flow path valves to guide water supplied from the external water supply source to the case brake; and a processor configured to open the water supply valve and one of the plurality of flow path valves at different points in time to start supplying the water and close the water supply valve and the one of the plurality of flow path valves at different points in time to stop the supplying of the water.

Abstract: An activity support apparatus supports an activity of a worker at a disaster site. The activity support apparatus comprises a vibration data acquisition unit that acquires vibration data of vibrations generated by the worker, an activity level estimation unit that estimates an activity level of the worker based on the vibration data acquired by the vibration data acquisition unit, and a notification unit that notifies the activity level estimated by the activity level estimation unit.

Abstract: A polymer composition comprising a liquid crystalline polymer that contains repeating units derived from naphthenic hydroxycarboxylic and/or dicarboxylic acids in an amount of about 50 mol. % or more is provided. The polymer composition exhibits a dielectric constant of about 4 or less and a dissipation factor of about 0.05 or less at a frequency of 10 GHz.

Abstract: A method of forming nanocrystalline graphene according to an embodiment may include: arranging a substrate having a pattern in a reaction chamber; injecting a reaction gas into the reaction chamber, where the reaction gas includes a carbon source gas, an inert gas, and a hydrogen gas that are mixed; generating a plasma of the reaction gas in the reaction chamber; and directly growing the nanocrystalline graphene on a surface of the pattern using the plasma of the reaction gas at a process temperature. The pattern may include a first material and the substrate may include a second material different from the first material.

Abstract: An interconnect structure is provided. The interconnect structure includes a first metal line. The first metal line includes a first conductive material disposed within a first dielectric layer over a substrate and a second conductive material disposed within the first dielectric layer and directly over a top of the first conductive material. The second conductive material is different from the first conductive material. A second dielectric layer is disposed over the first dielectric layer. A first via comprising a third conductive material is disposed within the second dielectric layer and on a top of the second conductive material. The second conductive material and the third conductive material have lower diffusion coefficients than the first conductive material.

Abstract: Embodiments of the present disclosure provide an integrated circuit die with vertical interconnect features to enable direct connection between vertically stacked integrated circuit dies. The vertical interconnect features may be formed in a sealing ring, which allows higher routing density than interposers or redistribution layer. The direct connection between vertically stacked integrated circuit dies reduces interposer layers, redistribution process, and bumping processes in multi-die integration, thus, reducing cost of manufacturing.

Abstract: A polymer composition that comprises from about 50 wt. % to about 90 wt. % of a polymer matrix and from about 10 wt. % to about 50 wt. % of silica particles is provided. The polymer matrix includes a liquid crystalline polymer containing repeating units derived from naphthenic hydroxycarboxylic and/or dicarboxylic acids in an amount of about 15 mol. % or less of the polymer. The silica particles have a median particle size of about 4 micrometers or less. The polymer composition exhibits a tensile modulus of 11,000 MPa or more as determined in accordance with ISO Test No. 527:2019.

Abstract: A semiconductor device may include a substrate including first and second active regions and a field region therebetween, first and second active patterns respectively provided on the first and second active regions, first and second source/drain patterns respectively provided on the first and second active patterns, a first channel pattern between the first source/drain patterns and a second channel pattern between the second source/drain patterns, and a gate electrode extended from the first channel pattern to the second channel pattern to cross the field region. Each of the first and second channel patterns may include semiconductor patterns, which are stacked to be spaced apart from each other. A width of a lower portion of the gate electrode on the field region may decrease with decreasing distance from a top surface of the substrate.

Abstract: A battery module includes a sub module including a cell stack having a plurality of battery cells and a pair of bus bar frames respectively coupled to one side and the other side of the cell stack; a module housing configured to accommodate the sub module and configured to have an air inlet and an air outlet formed to circulate air; a sprinkler provided through the module housing at one side of the cell stack in a stacking direction; and an outlet closing device configured to move by a buoyancy generated by a cooling water introduced into the module housing through the sprinkler so that the air outlet is closed.

Abstract: Disclosed are a compound for an organic optoelectronic device represented by Chemical Formula 1, and an organic optoelectronic device and a display device including the same. Details of Chemical Formula 1 are as defined in the specification.

Abstract: Adhesive compositions for medical and non-medical uses are provided. The adhesive compositions can include cyclic disulfide monomers, oligomers of reactions between the cyclic disulfides, polymers of the cyclic disulfides, solid articles formed formed from the polymers, and any combination thereof. Methods of making, using, and recycling the adhesive compositions are provided, including use of the adhesive compositions on a variety of substrates that include biological tissue; biomaterials, including synthetics and natural such as bone, wood, and cellulosics; metals and alloys; polymers, plastics, and rubbers; ceramics; composites; and, any combination of these materials.

Abstract: Disclosed is a lithium battery comprising: a cathode; an anode including a passivation film; and an electrolyte interposed between the cathode and the anode, wherein the passivation film includes 0.5 wt % or more and less than 5 wt % of sulfur (S), and the passivation film has a heating value of 50 J/g or less when a nail penetrates the passivation film. The lithium battery has improved penetration characteristics.