Abstract: A fuel cell includes a separator. A constant amount of air is supplied to the fuel cell irrespective of positions within an air channel, and thus, degradation of the fuel cell is prevented. The separator includes a separator body and a porous structure which has a plurality of pores defined therein to provide a path through which a fluid flows, where the separator body includes: a fluid inlet part having a space into which the fluid is introduced; a reaction region configured to receive the fluid; and a diffusion part which is provided between the fluid inlet part and the reaction region, where the porous structure is stacked on one surface of the reaction region, and the number of pores per unit volume of the porous structure varies in an inlet region.

Abstract: Disclosed is a method of verifying a number of media in a media storage unit, the method including: while retrieving a medium from a media storage unit and moving the medium, recognizing, by a discriminating unit, a serial number of the medium; comparing the serial number of the medium recognized by the discriminating unit with a record of a database in which serial numbers of media stored in the media storage unit are recorded, and searching for whether there is a serial number that matches the recognized serial number of the medium; and when a result of the searching is that the matching serial number is found, deleting data of the medium corresponding to the matching serial number and data of an upper medium of the medium recorded on the database, and based on data of lower media that remain after the deleting, updating the record of the database regarding a number of the media stored in the corresponding media storage unit.

Abstract: Disclosed herein is a semiconductor memory device. Provided is the semiconductor memory device includes a first device layer storing thermal energy and a second device layer being made of a material whose electrical properties are changed by the thermal energy, wherein the first device layer stores thermal energy if a voltage is applied to the second device layer. According to the present invention, since the device is composed of a material that is changed electrical characteristics by heat and a material that stores heat, it may be read as a current applied to the read voltage without applying other refresh voltage. In addition, there is no leakage current flowing through the device depending on the characteristics of the device, so additional circuit elements such as transistors and selectors are not required. The device has a fast-switching mechanism but does not cause leakage current thereby not showing resistance drift due to repetitive switching.

Abstract: There are provided a semiconductor memory device and a manufacturing method of the semiconductor memory device. The semiconductor memory device includes: a gate stack structure including a plurality of interlayer insulating layers and a plurality of conductive patterns, which are alternately stacked in a vertical direction; a dummy stack structure including a plurality of dummy interlayer insulating layers and a plurality of sacrificial layers, which are alternately stacked in the vertical direction, the dummy stack structure being disposed at a level at which the gate stack structure is disposed; a channel structure penetrating the gate stack structure; a memory layer disposed between each of the plurality of conductive patterns and the channel structure; and a dummy pillar penetrating a portion of the dummy stack structure with a length less than a length of the channel structure in the vertical direction.

Abstract: The present invention relates to a positive electrode for a lithium secondary battery, and a lithium secondary battery including the same. The positive electrode for a lithium secondary battery according to the present invention sequentially includes a first mixture layer and a second mixture layer on a positive electrode current collector, and a heterogeneous fluorine-based binder having different miscibility and molecular weight is used for the first mixture layer and the second mixture layer respectively. Accordingly, it is possible to secure the safety of the battery by increasing the penetration resistance in the case that a metal body such as a nail penetrates the electrode, and the lifespan characteristics of the battery can be improved by enhancing the interface adhesive force of each layer constituting the positive electrode and wettability of the mixture layer to the electrolyte solution at the same time.

Abstract: A fuel cell includes a separator. A constant amount of air is supplied to the fuel cell irrespective of positions within an air channel, and thus, degradation of the fuel cell is prevented. The separator includes a separator body and a porous structure which has a plurality of pores defined therein to provide a path through which a fluid flows, where the separator body includes: a fluid inlet part having a space into which the fluid is introduced; a reaction region configured to receive the fluid; and a diffusion part which is provided between the fluid inlet part and the reaction region, where the porous structure is stacked on one surface of the reaction region, and the number of pores per unit volume of the porous structure varies in an inlet region.

Abstract: A method of programming a nonvolatile memory device includes: receiving a programming command, data for a plurality of pages, and an address corresponding to a selected word-line; programming the data for one of the pages to an unselected word-line; reading data of a previously programmed page from the selected word-line; and programming the data for the remaining pages and the data of the previously programmed page to the selected word-line.

Abstract: Provided is a display device comprising a display panel, a metal plate on a bottom surface of the display panel, the metal plate including a first surface facing the bottom surface of the display panel and a second surface opposite to the one surface, and a fingerprint sensor overlappingly disposed on the second surface of the metal plate, wherein the metal plate includes an indentation groove recessed in a direction toward the first surface from the second surface of the metal plate, and the fingerprint sensor is disposed on the second surface of the metal plate on which the indentation groove is formed.

Abstract: A display device and a method of manufacturing the same are provided. The display device comprises a substrate having a base and a protruding pattern protruding from the base; a first planarization layer on the protruding pattern and comprising a first surface, a second surface, and side surfaces connecting the first surface and the second surface; and a dam structure on the first planarization layer and comprises a first sub-dam and a second sub-dam, wherein a first angle formed by the second surface of the first planarization layer and each side surface of the first planarization layer is in a range of 30 to 60 degrees.

Abstract: The present technology relates to a positive electrode for a lithium secondary battery and a lithium secondary battery including the positive electrode. The positive electrode includes: a safety function layer arranged on a positive electrode current collector; and a positive electrode mixture layer arranged on the safety function layer. Herein, the safety function layer is formed of a multi-layer structure of two or more layers including a first safety function layer contacting the positive electrode current collector, and a second safety function layer arranged on the first safety function layer, and the second safety function layer is obtained by mixing a composition of the first safety function layer with a composition of the positive electrode mixture layer.

Abstract: Disclosed is an anti-vibration device. An anti-vibration device according to the embodiment of the present disclosure reduces vibration between an object and an installation surface on which the object is installed, and the anti-vibration device includes a first elastic member, a first support member disposed to cover the first elastic member and fastened to the first elastic member, a second elastic member disposed on an upper portion of the first support member, and a second support member disposed to cover the second elastic member and fastened to the first support member.

Abstract: Disclosed is a driving circuit of a stretchable display capable of being stretched, which includes a driving part that includes a driving transistor connected with a light-emitting element and drives the light-emitting element depending on a signal of a data line, a switching transistor that is connected between the driving part and the data line and includes a gate terminal connected with a first gate line, and a stretch-sensitive sensor that is connected with the switching transistor between the driving part and the data line, and the stretch-sensitive sensor may include a stretch-sensitive material whose resistance characteristic changes depending on a stretching force applied to the stretchable display.

Abstract: An electric power steering apparatus according to the present embodiments comprises an input shaft connected to an steering shaft, a first output shaft coupled to the input shaft, a first gear provided at one end of the first output shaft, a second gear meshed with the first gear, a second output shaft provided with the second gear at one end and having an outer screw groove formed on an outer circumferential surface of a position spaced apart from the second gear in an axial direction and rotating in conjunction with the second gear, and a sliding member having an inner screw groove corresponding to the outer screw groove formed on an inner circumferential surface thereof, coupled to the second output shaft via a ball, and sliding in an axial direction to operate a link connected to vehicle wheels.

Abstract: Disclosed are a composite resin composition containing a thermosetting resin including an unsaturated polyester resin and a saturated polyester resin, a filler, and a processability-improving agent. More particularly, disclosed are a composite resin composition that is capable of providing a molded article having a lower specific gravity and improved surface quality compared to a conventional molded article by improving the compatibility and impregnability of a thermosetting resin and a filler using a processability-improving agent, and a molded article manufactured using the same.

Abstract: According to an embodiment of the present invention, there are provided an exhaust assembly capable of uniformly forming an air flow in an exhaust step of discharging a gas to the outside, and a liquid processing apparatus and substrate processing equipment including the exhaust assembly. According to the present invention, the exhaust assembly that discharges a gas generated in a substrate processing process includes at least two or more intake ports into which the gas flows, a body portion that communicates with the intake ports and provides symmetrical paths for discharging the gas, a guide portion that is installed to guide a flow of the gas at the body portion, and an exhaust port from which the gas is discharged.

Abstract: An organic light emitting device includes a first substrate including a display area and a non-display area, and a dummy metal layer disposed on the first substrate in the non-display area. The dummy metal layer includes a first dummy metal layer and a second dummy metal layer that overlap each other. The organic light emitting device further includes an insulating layer disposed between the first dummy metal layer and the second dummy metal layer in a cross-sectional view, a second substrate covering the first substrate, and a sealant disposed between the first substrate and the second substrate and overlapping the dummy metal layer. The first dummy metal layer is electrically connected to the second dummy metal layer, and the sealant contacts the second dummy metal layer.

Abstract: An automated material handling system includes: at least one state detecting sensor disposed inside or outside the carrier to detect an internal state of the carrier including a degree of pollution in the carrier; a carrier interface to transmit a carrier state value; a carrier controller including a controller interface disposed on the plate to obtain a carrier state value by communicating with the carrier interface, and a carrier control unit configured to generate carrier management information including the carrier state value obtained through the controller interface and current location information of the carrier and output the carrier management information to a server; and a server configured to analyze an internal pollution state of the carrier based on the carrier management information provided by the carrier controller.

Abstract: Disclosed is a separator assembly for a fuel cell and a fuel cell stack including the same. The separator assembly includes (I) a plate-shaped first separator including a first reaction area where a flow path to which a reaction gas or a coolant flows on a center thereof and first manifolds to which the reaction gas or the coolant is introduced or discharged to opposite side areas of the first reaction area, and (ii) a plate-shaped second separator integrated with the first separator by bonding and including a second reaction area corresponding to a position where the first reaction area is formed and second manifolds communicating with the first manifolds. The first and second separators may have at least a portion of an inner edge of the respective first and second manifolds that are bent, thereby being disposed on an interface between the first and second separators.

Abstract: An electric power steering apparatus according to the embodiments of the present disclosure may comprise a ball screw having an outer screw groove formed on its outer circumferential surface, a ball nut having a gear portion formed on one side of the outer circumferential surface and an inner screw groove corresponding to the outer screw groove formed on the inner circumferential surface, coupled to the ball screw through a ball and sliding in the axial direction, a sector shaft having a shaft gear coupled to the gear portion of the ball nut on an outer circumferential surface and rotating when the ball nut slides in an axial direction, and a sliding support member coupled to the outer circumferential surface of the ball nut, supported on an inner circumferential surface of a housing, and axially slid together with the ball nut.

Abstract: An image processor includes a frame buffer configured to collect an image data of pixels and configured to generate frame data, a display controller configured to generate the frame update command based on a vertical synchronizing signal and a frame per second signal representing a number of activating of the frame update signal in a second and an operating part configured to generate the vertical synchronizing signal and the image data. When the frame data is generated, the frame buffer activates a frame update signal in response to a frame update command and outputs the frame data. When the frame per second signal is less than a predetermined threshold voltage, the operating part sets a lower limit of a range of a frequency to a predetermined minimum frequency.