Abstract: A chemical mechanical polishing method may include polishing a polishing object at a first temperature using a chemical mechanical polishing slurry; and removing the chemical mechanical polishing slurry on the polishing object at a second temperature different from the first temperature. The chemical mechanical polishing slurry may include abrasive particles, a thermoresponsive inhibitor, and deionized water. The thermoresponsive inhibitor may include a thermoresponsive polymer exhibiting a phase-transition between the first temperature and the second temperature. The thermoresponsive polymer may be adsorbed to the hydrophobic layer at the first temperature and desorbed from the hydrophobic layer at the second temperature.

Abstract: A method of operating a repeater comprises detecting a synchronization signal from a received communication signal, identifying a time division duplex (TDD) switching pattern based on a power change of the communication signal over time and switching an uplink operation and a downlink operation of the repeater based on the detected synchronization signal and the TDD switching pattern.

Abstract: A methane cracking apparatus includes a supply pipeline that supplies a gas, a reactor having an interior space, and in which a catalyst for decomposing the gas may be disposed in the interior space, an agitator provided in the interior space and that agitates a material in the interior space, a first discharge pipeline connected to the reactor and that discharges decomposition materials generated as the gas may be decomposed, and a second discharge pipeline connected to the reactor, that discharges the decomposition materials, and disposed on an upper side of the first discharge pipeline.

Abstract: A system for predicting prime editing efficiency by using deep learning, including: an information input unit that receives an input of data on prime editing efficiency of a prime editor, a predictive model generator for generating prime editing efficiency predictive models by performing deep learning to learn a relationship between features affecting prime editing efficiency and prime editing efficiency, by using the data received from the information input unit, a candidate sequence input unit that receives an input of a candidate target sequence for prime editing; and an efficiency predictor for predicting prime editing efficiency by applying the candidate target sequence input into the candidate sequence input unit to an efficiency predictive model generated in the predictive model generator.

Abstract: A high precision position estimation method through a road shape classification-based map matching implemented by a high precision position estimation system of an autonomous vehicle includes classifying a road into a straight lane, a curved lane, and a clothoid curve lane by the lane matching between a sensor lane segment and a map lane segment, generating a movement amount value calculated by applying a geometric feature-based map matching or an optimization-based map matching to the classified lane as a covariance matrix, and calculating the latitude, longitude, and traveling direction of a vehicle to be estimated by combining the covariance matrix with sensor measurement values of a vehicle speed and a yaw rate by an extended Kalman filter.

Abstract: A cylindrical secondary battery includes a jelly-roll electrode assembly wound by interposing a separator between sheet-shaped positive and negative electrodes, a battery case in which the electrode assembly is accommodated, a cap assembly coupled to an upper portion of the battery case, and a center pin inserted into a core of the electrode assembly and configured to elastically support the electrode assembly in a radial direction on an inner circumferential surface of the core. The center pin includes an elastic body having a length.

Abstract: A jelly-roll type of electrode assembly in which a negative electrode sheet, a positive electrode sheet, and a separation membrane interposed between the negative electrode sheet and the positive electrode sheet are wound together is provided. The electrode assembly also includes: at least one electrode tab attached to the negative electrode sheet or the positive electrode sheet and at least a portion extending outside; and a heat radiation tape adhered to the electrode. The electrode tab to which the heat radiation tape is adhered is positioned between the center part of the wound electrode assembly and an external circumferential surface, or on the external circumferential surface, the heat radiation tape includes a heat diffusion layer, and the heat diffusion layer includes at least one of graphite and a metal foil.

Abstract: Disclosed herein is a washing machine that includes a tub disposed in a main body of the washing machine to store water. A circulation apparatus includes a circulation pump operable to circulate the water in and out of the tub. A detergent supply apparatus is coupled to the circulation apparatus to discharge detergent to the circulation apparatus so that operation of the circulation pump causes the discharged detergent to be supplied to the tub.

Abstract: The present invention relates to a secondary battery in which an electrode tab is improved in mechanical strength and a method for manufacturing the same. Also, the secondary battery according to the present invention includes: an electrode provided with a coating portion coated with an active material on an electrode collector and a non-coating portion on which the active material is not applied to the electrode collector in a longitudinal direction of the electrode collector and a notching tab part extending from the coating portion in a width direction of the electrode collector without coating with the active material and overlapping each other to form two or more layers when the electrode is wound.

Abstract: This light emitting device comprises: a substrate; a light emitting laminate disposed on the substrate; first and second electrodes provided on the light emitting laminate; first and second bumps provided on the first and second electrodes, respectively; a passivation film which is provided on the substrate, exposes portions of the upper surfaces of the first and second bumps, and covers the laminate; and a light conversion layer covering the rear surface of the substrate, a side surface of the substrate, and a side surface of the passivation film.

Abstract: The semiconductor device including an active pattern on a substrate and extending in a first direction, a gate structure on the active pattern, including a gate electrode extending in a second direction different from the first direction, a source/drain pattern on at least one side of the gate structure, and a source/drain contact on the source/drain pattern and connected to the source/drain pattern, wherein with respect to an upper surface of the active pattern, a height of an upper surface of the gate electrode is same as a height of an upper surface of the source/drain contact, and the source/drain contact comprises a lower source/drain contact and an upper source/drain contact on the lower source/drain contact, may be provided.

Abstract: A polishing pad for chemical mechanical polishing includes a polymer matrix and a temperature sensitive agent dispersed in the polymer matrix and constituting 1 to 40% by volume of the polishing pad, wherein the temperature sensitive agent includes a two-dimensional (2D) sheet material having a thermal conductivity of 1 W/(m·K) or more.

Abstract: Slurry compositions for chemical mechanical polishing, chemical mechanical polishing apparatuses using the same, and methods for fabricating a semiconductor device using the same are provided. The slurry composition for chemical mechanical polishing may include polishing particles in an amount of 0.1% to 10% by weight of the slurry composition, an oxidant in an amount of 0.1% to 5% by weight of the slurry composition, a thermo-sensitive agent in an amount of 0.01% to 30% by weight of the slurry composition. The thermo-sensitive agent may include metal nanoparticles or metal oxide nanoparticles, and water, wherein the slurry composition has a pH of 1 to 8.

Abstract: A chemical mechanical polishing (CMP) apparatus includes a polishing pad on a polishing platen, a polishing head on the polishing pad, the polishing head having a membrane to hold a wafer on the polishing pad, and a polishing slurry feeding line to feed a polishing slurry, and a retainer ring around the membrane and in contact with the polishing pad to prevent detachment of the wafer, the retainer ring including a polishing slurry feeding inlet connected to the polishing slurry feeding line to feed the polishing slurry onto the polishing pad.

Abstract: Cerium oxide nanoparticles and methods of fabricating the same are provided. The cerium oxide nanoparticles may be fabricated by a method that may include injecting metal ions into cerium oxide particles and then removing (e.g., desorbing) at least some of the injected metal ions from the cerium oxide particles.

Abstract: Disclosed herein is a washing machine that includes a tub disposed in a main body of the washing machine to store water. A circulation apparatus includes a circulation pump operable to circulate the water in and out of the tub. A detergent supply apparatus is coupled to the circulation apparatus to discharge detergent to the circulation apparatus so that operation of the circulation pump causes the discharged detergent to be supplied to the tub.

Abstract: The present invention relates to a secondary battery in which an electrode tab is improved in mechanical strength and a method for manufacturing the same. Also, the secondary battery according to the present invention includes: an electrode provided with a coating portion coated with an active material on an electrode collector and a non-coating portion on which the active material is not applied to the electrode collector in a longitudinal direction of the electrode collector and a notching tab part extending from the coating portion in a width direction of the electrode collector without coating with the active material and overlapping each other to form two or more layers when the electrode is wound.

Abstract: Disclosed are an electrode including a polymer matrix and a catalyst including metal nanoparticles and a conductive polymer shell and, a method of preparing the same. According to various exemplary embodiments of the present invention, various hybrid nano-composites may be formed by a combination of other conductive polymers than P3HT with metal nanoparticles. For example, the method may include selectively disposing metal nanoparticles to a surface modified conductive polymer including a block copolymer of two or more types of conductive polymers.

Abstract: The present disclosure relates to a motor driver and a method of driving a motor capable of driving a motor with optimum efficiency. The method of driving the brushless direct current (BLDC) motor may include an initial driving operation, a test operation of adjusting a turn-on time and a transition time in the test mode step by step, driving the BLDC motor by applying the adjusted turn-on time and the adjusted transition time, and detecting a driving error of the BLDC motor, an operation of repeating the test operation when the driving error is not detected in the test operation, and an operation of setting the turn-on time and the transition time, which are adjusted in an operation just before the driving error is detected, as a turn-on time and a transition time in an optimum driving mode.

Abstract: A hybrid artificial limb device is provided. A hybrid artificial limb device according to an exemplary embodiment of the present invention comprises: a joint upper side connection member positioned at the upper side of a knee; a knee joint member connected to the joint upper side connection member; and a frame coupled to the knee joint member to be able to perform a pivot rotation, and forming a femoral part. When the frame performs a pivot rotation about the knee joint member, the passive power from the passive driving module and the active power from the active driving module may be selectively or simultaneously provided to the knee joint member.