Abstract: A coated cutting tool having excellent wear resistance and controlled brittleness is provided. An embodiment of the present disclosure provides a coated cutting tool including: a substrate; and a cutting layer disposed on the substrate, wherein: the cutting layer includes a brittleness suppressing layer and a wear-resistant layer disposed on the brittleness suppressing layer; the substrate includes a hard alloy body such as cemented carbide, cermet, ceramic, cubic boron nitride-based materials, or high-speed steel; the brittleness suppressing layer includes a first layer and a second layer disposed on the first layer; the first layer and the second layer each independently includes any one of (AlbTi1-b)X (where 0.6<b<0.8, and X is at least one selected from N, C, CN, NO, CO, and CNO) and (TicAl1-c)X (where 0.4<c?0.5, and X is at least one selected from N, C, CN, NO, CO, and CNO); and the first layer and the second layer include materials different from each other.

Abstract: A display module and a plant cultivation apparatus equipped with a display module are provided. The display module in which a control panel that controls a plant cultivation environment and an output that outputs a state of the plant cultivation environment are provided in a front surface thereof coupled to a structure of a bed and withdrawable and insertable into the plant cultivation apparatus together with the bed. The display module may be located at a front surface of the bed, so that usability and space efficiency may be increased.

Abstract: A liquid supply unit includes a tank having an inner space for storing the liquid, an inlet line for supplying the liquid from the liquid supply source to the inner space and having an inlet valve installed thereon, an outlet line for supplying the liquid from the tank to a nozzle or for recollecting the liquid to the tank and having an outlet valve installed thereon, a gas supply line for supplying a gas to the inner space and having a gas control valve installed thereon, an exhaust line for exhausting the inner space and having an exhaust valve installed thereon, a circulation line for circulating the liquid stored in the inner space, and a controller controlling the liquid supply unit so that the circulation line is pressurized while the liquid is supplied to the inner space.

Abstract: An air purifier filter is proposed. The air purifier filter includes: a filter body having an inlet and an outlet therein such that air flows therethrough, and a receiving space having formed therein; a substrate provided in the receiving space of the filter body; and activated carbon attached to a surface of the substrate, wherein the substrate has a three-dimensional corrugated structure.

Abstract: The present invention relates to a case mounted on a rollable mobile device. According to the present invention, the rollable mobile device can be safely protected by the first case and the second case in response to a shape change occurring when the display is expanded or reduced in the rollable mobile device. In addition, according to the present invention, a holding part provides a force to hold the case while safely protecting the exposed portion by the extension of the display of the rollable mobile device, so that the case is not separated from the rollable mobile device.

Abstract: A multi path cooling system is provided that includes a first cooling path in which a refrigerant is circulated by a first pump and a second cooling path in which the refrigerant is circulated by a second pump. A reservoir tank is provided through which the refrigerant circulating through the first cooling path enters or exits. An air separator is disposed on the second cooling path to separate air from the passing refrigerant when the refrigerant circulating through the second cooling path passes. The reservoir tank and the air separator communicate with each other.

Abstract: Disclosed is a power semiconductor device that includes a gate electrode recessed from a first surface of a semiconductor substrate to a second surface, disposed opposite to the first surface, of the semiconductor substrate, an emitter region, including impurities in a first conductive type, disposed in contact with a trench, in which the gate electrode is disposed, and the first surface, a collector region, including impurities in a second conductive type opposite to the first conductive type, disposed in contact with the second surface, a floating region, including the impurities in the second conductive type, extending toward the second surface in an extension direction of the trench while surrounding a bottom surface of the trench, and a trench emitter region interposed under the gate electrode in the trench.

Abstract: A power semiconductor device includes a plurality of gate electrodes configured to be recessed from a first surface of a semiconductor substrate to a second surface of the semiconductor substrate, the second surface being opposite to the first surface, an emitter region configured to make contact with a trench and the first surface, being provided between respective ones of the plurality of gate electrodes, and including impurities of a first conductive type, a collector region configured to make contact with the second surface, and including second impurities of a second conductive type opposite to the first conductive type, a floating region extending toward the second surface in an extension direction of the trench while surrounding a bottom surface of the trench, and including the second impurities, and a trench emitter region interposed between the plurality of gate electrodes in the trench.

Abstract: The present invention provides a method for calculating a swing trajectory of a golf club using radar sensing data capable of calculating a swing trajectory of a golf club therefrom, a radar sensing device using the same, and a recording medium readable by a computing device recording the calculation method, which calculates the position coordinate information of the golf club through the analysis of the radar signal separately from calculating the motion parameters for the ball through the analysis of the radar signal when the golfer hits the ball with the golf club, and effectively calculate the swing trajectory of the golf club from the calculated position coordinate information of the golf club.

Abstract: The present disclosure provides a method of controlling an electric latch, installed on a door of a vehicle, to lock or unlock the door by being operated by a motor, the method comprising operating an inner button configured to enable a passenger to get off the vehicle; determining whether there is an error in a state where the vehicle has been started; determining whether a vehicle speed of the vehicle is input to a control unit; and, when the vehicle speed is not input, inducing an emergency lever to guide a use of the emergency lever.

Abstract: A device for providing a location-based automatic participation chat room, the device, when a request to open a chat room is received along with service location information from at least one host terminal, creates at least one chat room, and sets a chat room identifier and a recognition code corresponding to each of the at least one chat room, and when at least one guest terminal accesses a location corresponding to the service location information using a pre-set participation means or the recognition code included in the participation means is received, makes the guest terminal participate in the chat room corresponding to the recognition code.

Abstract: A multi-path cooling system is provided that includes a first cooling path in which a refrigerant is circulated by a first pump and a second cooling path in which the refrigerant is circulated by a second pump. A reservoir tank is provided through which the refrigerant circulating through the first cooling path enters or exits. An air separator is disposed on the second cooling path to separate air from the passing refrigerant when the refrigerant circulating through the second cooling path passes. The reservoir tank and the air separator communicate with each other.

Abstract: An embodiment method of preparing for discharge of an electric latch assembly includes determining whether the electric latch assembly is in an unlocked state, in response to a determination that the electric latch assembly is in the unlocked state, monitoring a voltage of a battery, comparing the voltage of the battery with a preset reference voltage at which a mechanical redundancy (MR) mode is to be activated, and activating the MR mode by driving an MR motor installed inside the electric latch assembly in response to the voltage of the battery being less than or equal to the reference voltage.

Abstract: A substrate processing apparatus includes a nozzle unit including a nozzle tip discharging liquid to a substrate; and a liquid supply line supplying the liquid to the nozzle unit, wherein the liquid supply line includes a liquid supply pipe connected to the nozzle tip; a supply valve installed in the liquid supply pipe; and a heater disposed between the nozzle tip and the supply valve in the liquid supply pipe.

Abstract: The present disclosure provides a substrate processing apparatus capable of stabilizing the particle level when re-supplying a chemical solution. The substrate processing apparatus includes a circulation line connected to a chemical supply unit to circulate a chemical solution, a filter installed in the circulation line to filter particles in the chemical solution, a supply line connected to a first node of the circulation line and configured to supply the chemical solution to the chamber, and a drain line connected, in the circulation line, to a second node located between the filter and the first node, and configured to drain the chemical solution, the apparatus being configured to operate, during a first duration, from when a pump of the chemical supply unit is restarted after the pump had stopped, to drain the chemical solution that passes through the filter.

Abstract: A display module and a plant cultivation apparatus equipped with a display module are provided. The display module in which a control panel that controls a plant cultivation environment and an output that outputs a state of the plant cultivation environment are provided in a front surface thereof coupled to a structure of a bed and withdrawable and insertable into the plant cultivation apparatus together with the bed. The display module may be located at a front surface of the bed, so that usability and space efficiency may be increased.

Abstract: Disclosed is a method for treating a substrate in a plurality of chambers. The substrate treating method may include performing liquid treatment on a substrate located in a chamber through a supply line for connecting a circulation line and each of the plurality of chambers while the liquid circulates in the circulation line, wherein a flow rate per unit time of the liquid flowing downstream of a valve provided in the supply line is constantly maintained at a reference flow rate, and controlling an upstream flow rate which is a flow rate per unit time of the liquid flowing upstream of the circulation line rather than the supply lines or a downstream flow rate which is a flow rate per unit time of the liquid flowing downstream of the circulation line rather than the supply lines based on a distribution flow rate which is a flow rate per unit time of the liquid flowing upstream of the valve to maintain the reference flow rate.

Abstract: A chemical liquid supply unit includes a chemical liquid storage storing a chemical liquid, a chemical liquid supply line that is connected to the chemical liquid storage, the chemical liquid flowing through the chemical liquid supply line from the chemical liquid storage, and a chemical liquid inspection means detecting impurities from the chemical liquid flowing through the chemical liquid supply line using a spectroscopy method.

Abstract: Provided is an apparatus for supplying a chemical liquid, the apparatus including: a storage tank in which a chemical liquid is stored; a discharge line through which the chemical liquid stored in the storage tank is discharged; a level tube connected to the storage tank so as to check a water level of the chemical liquid in the storage tank and receiving the chemical liquid at the same water level as the water level of the chemical liquid in the storage tank; and a controller for controlling a first valve installed in the discharge line, in which the level tube has one end connected to an upper space of the storage tank and the other end connected to the discharge line.

Abstract: A device for predicting a life expectancy of a fuse for a battery of an electric vehicle may include a sensor configured to generate and output current information about current flowing in the fuse, a processor, and a memory connected to the processor and configured to store a preset lookup table, the memory storing program instructions which are executable by the processor to generate fuse-life expectancy information corresponding to the fuse based on the lookup table and time corresponding to an excess when the current information exceeds a preset threshold value.