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 refrigerant module for a vehicle includes: a heat exchanger for exchanging heat between a refrigerant introduced therein and a working fluid; a valve manifold connected to the heat exchanger and having a refrigerant flow path formed inside to supply the refrigerant to the heat exchanger or to bypass the refrigerant; and a plurality of valve assemblies mounted on the valve manifold to control a flow of the refrigerant flowing in the refrigerant flow path.

Abstract: The present invention relates to a method for dealing with a loss of coolant accident in a nuclear power plant, and a system therefor. The method for dealing with a loss of coolant accident in a nuclear power plant, according to the present invention, comprises the steps of: determining a fracture size and a fracture position; determining an accident level on the basis of the determined fracture size and fracture position; and activating safeguards according to the accident level.

Abstract: A display device includes: a display layer including a plurality of non-folding areas and a folding area disposed between the plurality of non-folding areas; a barrier layer disposed under the display layer; and a support plate disposed under the barrier layer, where the barrier layer includes: a first part having a first modulus, and a second part adjacent to the first part and having a second modulus different from the first modulus.

Abstract: A semiconductor memory device comprises a cell structure and a peripheral circuit structure electrically connected to the cell structure. The peripheral circuit structure comprises an active region, a first gate structure comprising a first gate insulating layer intersecting the active region and in contact with the active region, a second gate structure comprising a second gate insulating layer spaced apart from the first gate structure, and in contact with the active region, and a source/drain region between the first gate structure and the second gate structure. A thickness of the first gate insulating layer is less than a thickness of the second gate insulating layer. The source/drain region comprises a first region adjacent to the first gate structure and a second region adjacent to the second gate structure. A depth of the first region is equal to a depth of the second region.

Abstract: A shoe management apparatus includes a receiving portion defining a receiving space for receiving a shoe therein, a first supply portion including a duct for guiding flow of a fluid, and a second supply portion connected to the first supply portion, extending in a longitudinal direction of the first supply portion and angled towards the receiving portion, the second supply portion receiving the fluid from the first supply portion and directing the fluid to the shoe.

Abstract: A shoe management apparatus including a receiving portion defining a receiving space for receiving a shoe therein, a first supply portion for guiding a fluid flow and extending towards the receiving space, and a second supply portion at least partially disposed inside the first supply portion and protruding in a longitudinal direction of the first supply portion to supply a fluid into the shoe.

Abstract: Disclosed are a method and an apparatus for an instant messaging service to provide a schedule service. A schedule management server according to an example embodiment includes receiving a schedule creating request, selecting any one of a first type of calendar belonging to a chatroom in which the schedule creating request is created and a second type of calendar belonging to a user account which creates the schedule creating request, according to a schedule type included in the schedule creating request; and creating a schedule corresponding to the selected type of calendar.

Abstract: A stator includes a split-core assembly that includes a split core, a bobbin, a coil, and a terminal holder. The terminal holder has an insulating protrusion, and when two split-core assemblies are coupled to each other, the insulating protrusion of any one terminal holder overlaps the other terminal holder.

Abstract: The present disclosure provides a spin-orbit torque structure having a high spin Hall angle and low resistance by including a topological material. In addition, the present disclosure provides a spin-orbit torque structure having a low power consumption density by including a topological material. Also, a magnetic memory device including the spin-orbit torque structure is provided.

Abstract: The present invention relates to a method for dealing with anticipated transient without scram in a nuclear power plant, and a system therefor. The method for dealing with anticipated transient without scream in a nuclear power plant, according to the present invention, comprises the steps of: identifying the pressure of a pressurizer; determining an accident level on the basis of the determined pressure of the pressurizer; and activating safeguards related to the pressure, according to the accident level.

Abstract: A shoe management apparatus including a receiving portion defining a receiving space for receiving shoes therein, a first supply portion for guiding flow of a fluid towards the receiving portion, the first supply portion including a stationary duct disposed above the receiving space, a flexible duct connected to the stationary duct and able to rotate to change shape, a rotatable duct connected to the flexible duct and a first driver connected to the rotatable duct and for generating a rotational force to rotate the rotatable duct.

Abstract: The invention relates to a patient interface comprising a plenum chamber, a seal-forming structure, and a positioning and stabilizing structure, as well as the method of operating the patient interface. The patient's interface is configured to leave a patient's mouth uncovered or if the seal-forming structure is configured to seal around a patient's nose and mouth, the patient interface is configured to allow the patient to breath from the ambient in an absence of the flow of pressurized. The positioning and stabilizing structure includes headgear, and the seal-forming structure and at least a portion of the headgear is formed from a one piece construction of textile material. In another embodiment, the seal-forming structure and/or the positioning and stabilizing structure includes an adaptive portion that adjusts based on usage conditions.

Abstract: Provided is a display apparatus including a display layer including scan lines, data lines, and pixels, and defined by a first area exposed to an outside in both a closed state and an open state, and a second area, which extends from the first area in a first direction, is exposed to an outside in the open state, and in which at least a portion thereof is opposite to the first area in the closed state, a scan-driving circuit connected to the scan lines, deformation sensors arranged in the first direction and having resistance values corresponding to respective shapes of the display layer, deformation sensor drivers arranged in the first direction, respectively connected to the deformation sensors, and configured to drive the deformation sensors along the first direction, and a driving circuit configured to measure the resistance values of the deformation sensors.

Abstract: Disclosed are a method of manufacturing a carbon support for a fuel cell catalyst, a carbon support for a fuel cell catalyst manufactured according to the method, and a catalyst for a fuel cell including the same. The method may include using various organic materials containing N and various carbon supports and thus provide excellent economic feasibility. In addition, pyridinic N and pyrrolic N of doped N can be adjusted at an optimal content ratio so that the carbon support for a fuel cell catalyst manufactured and the catalyst for a fuel cell including the same have excellent electrochemical resistance and excellent electrochemical characteristic due to an increase in an electrochemically active surface area, and excellent durability due to an increase in thermal durability.

Abstract: A coil component includes an insulating substrate; a coil portion including a coil pattern, having a planar spiral shape, disposed on the insulating substrate; and a body embedding the insulating substrate and the coil portion, wherein the coil pattern comprises a first conductive layer disposed to contact the insulating substrate, and a second conductive layer disposed on the first conductive layer, wherein a thickness (T1) of the insulating substrate and a thickness (T2) of the first conductive layer satisfy 10?T1/T2?20.

Abstract: This invention is an antenna structure inducing plasma in a chamber with applied alternative power, comprising: a first antenna segment and a second antenna segment arranged based on a virtual central axis to have a first curvature radius and a second curvature radius respectively, the central axis crossing a first plane, and a first capacitive load electrically connecting the first antenna segment and the second antenna segment, wherein the first antenna segment extends from one end of the first capacitive load with the first curvature radius having a first length and the second antenna segment extends from other end of the first capacitive load with the second curvature radius having a second length, and wherein a sum of the first length and the second length is shorter than a circumference of the first curvature radius or the second curvature radius.

Abstract: Disclosed are an authentication information processing method and apparatus and a user terminal including an authentication information processing method and apparatus. The authentication information processing method performed by the disclosed authentication information processing apparatus comprises the steps of: obtaining biometric information of a user; obtaining a unique key corresponding to the authentication information processing apparatus; and generating an authentication key by using at least a part of the biometric information and at least a part of the unique key.

Abstract: The present disclosure provides a computer-implemented method which comprises a first step of obtaining an image data of the body portion from an ultrasound probe; a second step of analyzing the image data by use of machine learning and identifying a target and an evasion object; and a third step of determining the location of a final target, with reference to the information of the identified target and the evasion object. The final target is determined by at least one of a first information relating to the size of the target, a second information relating to the depth of the target, and a third information relating to the existence of an object in the straight path between the target and skin surface.

Abstract: A shoe treating apparatus includes an upper cabinet, a lower cabinet disposed below the upper cabinet, an electronic component part disposed below the lower cabinet, a sensor part, and a processor electrically connected to the electronic component part and the sensor part. The processor may identify at least one of a material, a type, and a condition of at least one shoe in the upper cabinet, and based on the identification, perform normal treatment on the at least one shoe in the upper cabinet through the electronic component part. The processor may identify at least one of a material, a type, and a condition of at least one shoe in the lower cabinet, and based on the identification, perform intensive treatment on the at least one shoe in the lower cabinet through the electronic component part. A method of operating the shoe treating apparatus is also provided.