Abstract: A semiconductor device including a substrate including an active pattern; a gate electrode crossing the active pattern and extending in a first direction; a source/drain pattern on the active pattern and adjacent to a side of the gate electrode; and an active contact in a contact hole on the source/drain pattern, wherein the active contact includes a first contact in a lower region of the contact hole, the first contact including a barrier pattern and a conductive pattern; a diffusion barrier layer on the first contact; and a second contact on the diffusion barrier layer, and a top surface of the diffusion barrier layer is coplanar with a top surface of the barrier pattern of the first contact.

Abstract: Disclosed is an electronic device, which includes an amplifier circuit that receives a feedback voltage and a reference voltage and amplifies a difference between the feedback voltage and the reference voltage to output an amplified difference voltage, an analog-to-digital converter that converts the amplified difference voltage to a digital code including two or more bits, and low-dropout (LDO) regulators that outputs output voltages based on the digital code. Each of the LDO regulators includes power transistors outputting a corresponding output voltage of the output voltages, drives one of the power transistors in a switching state, and drives each of remaining power transistors in a turned-on state or a turned-off state.

Abstract: A positive electrode material and a positive electrode and a lithium secondary battery including the same are provided. The positive electrode material having a bimodal particle size distribution which includes large-diameter particles and small-diameter particles having different average particle diameters (D50), wherein the large-diameter particles are lithium composite transition metal oxide having a nickel content of 80 atm % or more in all transition metals thereof, and the small-diameter particles are a lithium composite transition metal oxide including nickel, cobalt, and aluminum, having a nickel content of 80 atm % to 85 atm % in all transition metals, and having an atomic ratio of the cobalt to the aluminum (Co/Al) of 1.5 to 5.

Abstract: An apparatus for limiting a movement of a wiring harness includes a binding unit configured to bind the wiring harness electrically connected to a moving component configured to be movable relative to a vehicle body, the binding unit configured to be movable according to a movement of the moving component, and a guide track configured to guide a movement of the binding unit, wherein the guide track defines a movement path of the binding unit.

Abstract: A semiconductor device including a lower contact pattern including a first metal, an upper contact pattern including a second metal, a first resistivity of first metal being greater than a second resistivity of the second metal, and a metal barrier layer between the lower contact pattern and a lower portion of the upper contact pattern, the metal barrier layer including a third metal, the third metal being different from the first and second metals may be provided. A lower width of the upper contact pattern may be less than an upper width of the lower contact pattern.

Abstract: The present disclosure provides a method for manufacturing a positive electrode for a secondary battery, the method including forming a positive electrode mixture layer including a positive electrode active material on a positive electrode current collector, and forming a metal oxide coating layer on the positive electrode mixture layer by atomic layer deposition, wherein the positive electrode active material includes lithium composite transition metal oxide particles and a boron-containing coating layer formed on the lithium composite transition metal oxide particles, and the lithium composite transition metal oxide particles include nickel (Ni), cobalt (Co), and manganese (Mn), wherein the nickel (Ni) is 60 mol % or greater of all metals excluding lithium.

Abstract: A semiconductor device including a substrate including an active pattern; a gate electrode crossing the active pattern and extending in a first direction; a source/drain pattern on the active pattern and adjacent to a side of the gate electrode; and an active contact in a contact hole on the source/drain pattern, wherein the active contact includes a first contact in a lower region of the contact hole, the first contact including a barrier pattern and a conductive pattern; a diffusion barrier layer on the first contact; and a second contact on the diffusion barrier layer, and a top surface of the diffusion barrier layer is coplanar with a top surface of the barrier pattern of the first contact.

Abstract: A positive electrode active material includes a nickel-based lithium transition metal oxide containing nickel in an amount of 60 mol % or more based on a total number of moles of metals excluding lithium, wherein cobalt is included in an amount of greater than 0 ppm to 6,000 ppm or less on a surface of the nickel-based lithium transition metal oxide. A method of preparing the positive electrode active material, a positive electrode for a lithium secondary battery and a lithium secondary battery which includes the positive electrode active material are also provided.

Abstract: A chip on film package includes: a flexible base film having a first surface and a second surface opposite to each other, and having a chip mounting region on the first surface; a plurality of wirings extending in a first direction toward the chip mounting region; a semiconductor chip mounted in the chip mounting region on the first surface of the base film and electrically connected to the wirings; a pair of first heat dissipation members on the first surface of the base film and spaced apart from the semiconductor chip, and extending in a second direction perpendicular to the first direction; and a second heat dissipation member on the first surface of the base film and covering the semiconductor chip and the pair of first heat dissipation members.

Abstract: A method and system for integrated surface water and groundwater modelling using a dynamic mesh evolution. The system includes a dynamic mesh evolution that enables elevation changes in a landscape to be better represented in a simulation model. By moving, adding or removing computation nodes within the model over a predetermined range and updating the metadata, elevation changes may be better represented.

Abstract: A power manager circuit is provided. The power manager circuit includes a bandgap reference circuit, first and second monitoring circuits, and a reference buffer. The bandgap reference circuit generates a first voltage, based on an external voltage that is external to the power manager circuit. The first monitoring circuit determines a logical value of a first alarm signal, based on whether a first voltage level of the first voltage is within a first range. The reference buffer generates a second voltage, based on the first voltage. The second monitoring circuit determines a logical value of a second alarm signal, based on whether a second voltage level of the second voltage is within a second range.

Abstract: A chip on film package includes; a flexible base film having a first surface and a second surface opposite to each other, and having a chip mounting region on the first surface; a plurality of wirings extending in a first direction toward the chip mounting region; a semiconductor chip mounted in the chip mounting region on the first surface of the base film and electrically connected to the wirings; a pair of first heat dissipation members on the first surface of the base film and spaced apart from the semiconductor chip, and extending in a second direction perpendicular to the first direction; and a second heat dissipation member on the first surface of the base film and covering the semiconductor chip and the pair of first heat dissipation members.

Abstract: A power metering apparatus, a power metering server, and a power metering method based on a blockchain are disclosed. Particularly, in order to simultaneously assure integrity and transparency of power metering data based on a blockchain, power metering data generated by measuring an amount of power generated by an energy source and a unique key are stored in a database linked to a power metering server, and a digitally signed hash value of the power metering data is stored in a blockchain node. Accordingly, disclosed are blockchain-based power metering system and method for preventing forgery and tampering of power metering data, solving a problem associated with a blockchain storage capacity that may occur when storing the power metering data, and protecting sensitive information on the power metering data.

Abstract: A semiconductor circuit includes a first selection circuit which selects a first battery or a first capacitor, a second selection circuit which selects a second battery or a second capacitor, a voltage measuring circuit which measures a first voltage of the first battery or the first capacitor selected by the first selection circuit, and measures a second voltage of the second battery or the second capacitor selected by the second selection circuit, a controller which compares the first voltage and the second voltage to generate a comparison result, and a switching circuit which receives a signal based on a target output voltage, connects the first battery or capacitor selected by the first selection circuit, and the second battery capacitor selected by the second selection circuit in an interconnection relationship based on the comparison result to provide to an output terminal an output voltage responsive to the target output voltage.

Abstract: A test device includes a test mounting circuit having a plurality of semiconductor devices mounted thereon as respective devices-under-test. Each device-under-test includes a corresponding delay control circuit and a target circuit therein. Test logic is provided, which is electrically coupled to the test mounting circuit. The test logic is configured to generate a test input(s), which is provided in parallel to the delay control circuits within the plurality of devices-under-test. The delay control circuits include at least first and second delay control circuits, which are configured to pass the test input(s) to corresponding first and second target circuits during respective first and second test time intervals that are out-of-phase relative to each other in order to achieve more uniform power consumption requirements of the test mounting circuit during testing.

Abstract: A game service providing server and method are disclosed. The game service providing server comprises: a communication unit for receiving a control command from a user terminal; a database for storing data related to a game service; and a processor for receiving the data from the database on the basis of the control command in order to control a process performed by the game service, performing calculations for the received data, and controlling the process on the basis of the performed calculation result, wherein the control command can be generated on the basis of a second application that is distinct from a first application for the game service.

Abstract: In one embodiment, the present disclosure relates to a positive electrode active material in which a lithium cobalt oxide is doped with a doping element including a metallic element and a halide element, wherein the positive electrode active material is represented by Formula 1 and satisfies Equation 1, and a positive electrode for a lithium secondary battery and a lithium secondary battery, either of which include the positive electrode active material: Li(Co1-x-y-zM1xM2yM3z)O2-aHa??[Formula 1] (2x+3y+4z?a)/(x+y+z+a)<2.5.

Abstract: A lithium cobalt-based positive electrode active material is provide, which includes sodium and calcium, wherein the total amount of the sodium and calcium is 150 ppm to 500 ppm based on the total weight of the lithium cobalt-based positive electrode active material. A method for preparing the lithium cobalt-based positive electrode active material is also provided.

Abstract: Provided is a wireless power transmitting unit capable of auto-tuning according to impedance change. The wireless power transmitting unit according to an embodiment can stabilize the operation of the amplifier by changing the resonance frequency of the resonator without measuring the phase information about the resonator.

Abstract: The present invention relates to a positive electrode active material for a secondary battery which includes a lithium composite transition metal oxide including nickel (Ni), cobalt (Co), and manganese (Mn), wherein the lithium composite transition metal oxide includes the nickel (Ni) in an amount of 65 mol % or more and the manganese (Mn) in an amount of 5 mol % or more based on a total amount of transition metals, and wherein the electrode positive active material is composed of a single particle, having a crystallite size of 180 nm or more.