Abstract: Disclosed are a substrate processing apparatus including a fluid supply unit and a fluid control method for controlling a flow rate of fluid. The fluid control method for controlling a flow rate of fluid to be supplied to a lower surface of a substrate from a fluid supply unit including a fluid source for supplying fluid and fluid supply lines connected to the fluid source includes a dimension measurement step of measuring lengths and cross-sectional areas of the fluid supply lines, a volume calculation step of calculating volumes of the fluid supply lines using the lengths and the cross-sectional areas measured in the dimension measurement step, a time measurement step of opening a valve provided in the fluid source to measure a time for which fluid is supplied to the fluid supply lines, and a control step of controlling a flow rate of fluid based on data obtained in the previous steps.

Abstract: Provided are a system and method for supporting a return home mode of a drone used on a ship. A drone control device receives GPS reception signal strength information at a first GPS receiver, drone takeoff feasibility information is displayed on a display unit of the drone control device if the GPS reception signal strength is greater than or equal to a set strength, a drone drive motor is controlled by generating a drone drive motor control signal based on ship position information received from the drone control device and drone position information received from a second GPS receiver when a control unit installed in the drone receives return home information from the drone control device after the drone takes off, and the control unit stops the drone drive motor when the difference between the drone position and the ship position is less than or equal to a set distance.

Abstract: A display device includes a first base, a pixel electrode on the first base, a pixel defining layer having an opening that at least partially exposes the pixel electrode, a light emitting layer on the pixel electrode, an auxiliary electrode on the same layer as the pixel electrode, a partition wall on the auxiliary electrode that at least partially exposes a side surface of the auxiliary electrode, an organic layer on the partition wall, and a common electrode continuously arranged on the light emitting layer and the organic layer, wherein a side surface of the partition wall has a reverse-tapered shape, and the common electrode contacts the side surface of the auxiliary electrode.

Abstract: A display device according to an embodiment includes: a display panel including a first region and a second region; a chassis disposed on a rear surface of the display panel; a first exciter in contact with the first region and fixed to the chassis; and a second exciter in contact with the second region and fixed to the chassis. The chassis defines an opening disposed between the first exciter and the second exciter.

Abstract: A method for determining water temperature at a random water depth using a seawater temperature vertical distribution stratum simulation model includes generating a four-layer model for seawater temperature vertical distribution, setting a maximum water depth for each layer in the generated four-layer model, generating water temperature data at equal water depth intervals by processing ocean observation data, calculating a vertical gradient of water temperatures for water depths of each layer in the four-layer model by using the generated water temperature data at equal water depth intervals, calculating a water temperature at the maximum water depth of each layer by using the set maximum water depth of each layer and the calculated vertical gradient, and calculating a model water temperature at a random water depth by using the set maximum water depth of each layer, the calculated vertical gradient, and the water temperature at the maximum water depth of each layer.

Abstract: Disclosed is an apparatus and method for estimating tidal fronts. The method for estimating tidal fronts includes obtaining past observation data of a sea area to be estimated, substituting and calculating the obtained past observation data into a preset whole water depth mixing discriminant for a plurality of points in the sea area to be estimated, and as a result of the calculation, regarding an area of points where a calculated value is less than or equal to a preset reference value as a whole water depth mixing sea area, regarding an area of points where the calculated value exceeds the preset reference value as a stratified sea area, and estimating a boundary between the regarded whole water depth mixing sea area and stratified sea area as a tidal front.

Abstract: An electronic apparatus includes a display panel including a first surface through which an image is displayed and a second surface opposite to the first surface, a rear cover including a rear surface portion spaced apart from the display panel with an inner space interposed therebetween and a sidewall portion connected to the rear surface portion and surrounding the inner space, an exciter including a vibrator disposed in the inner space to vibrate the display panel and a supporter fixed to the rear surface portion, and a passive element outputting a sound. A reinforcement opening is defined in the sidewall portion, the exciter overlaps the reinforcement opening in a direction penetrating through the reinforcement opening, and the passive element is disposed in the reinforcement opening.

Abstract: Proposed are a substrate processing system and a process gas supply control verification method and, more particularly, to a technology to verify the operation of a mass flow controller (MFC) that supplies a process gas for semiconductor processing at an appropriate flow rate according to a recipe.

Abstract: This application relates to an apparatus for tracking location using a control platform of a small buoy for simulating marine pollutants, in which at least one small observation buoy floats on the ocean, and a relay buoy collects location information from the observation buoy and provides the collected location information to a weather information management server. The apparatus may include at least one observation buoy and a relay buoy, the observation buoy including a GPS receiver which receives a signal transmitted from a GPS satellite and generate location information. The apparatus may also include a communicator performing wireless transmission and reception of signals with the relay buoy, and a power source providing driving power to the GPS receiver and the communicator. The relay buoy may receive location information from the at least one observation buoy and provide the received location information to a weather information management server.

Abstract: A camera lens assembly includes a plurality of optical lenses accommodated in the camera lens assembly, a first lens mount for detachably mounting the camera lens assembly to the camera body, a first electric connector formed on a rear face of the camera lens assembly. The first electric connector is electrically coupled to the camera body when the camera lens assembly is mounted on the camera body, a lens communication unit connected to the first electric connector so as to transmit and receive an electrical signal between the camera lens assembly and the camera body, a lens driver for controlling a displacement of each of the plurality of optical lenses based on the electrical signal received from the camera body, and an indicator for visually presenting an imaging state of the camera body, based on the received electrical signal.

Abstract: According to an aspect of the present disclosure, a cart for optical coherence tomography includes a rotary catheter unit; a main body including a receiving member configured to receive the rotary catheter unit; a mobile unit coupled to a lower part of the main body and configured to move the main body on the ground; and a display unit connected to an upper part of the main body and configured to output information generated by the rotary catheter unit. Wherein the display unit is located inside at least two side surfaces of the main body.

Abstract: An optical sensor includes a substrate, a photoelectric element disposed on the substrate and that includes a first electrode, an intermediate layer disposed on the first electrode, and a second electrode disposed on the intermediate layer, a barrier layer disposed on the second electrode, an insulating layer that covers the photoelectric element and the barrier layer, and a bias electrode disposed on the insulating layer and electrically connected to the second electrode. The barrier layer is spaced apart from the first electrode.

Abstract: Proposed is a system and method for simulations of marine pollution dispersion using a numerical tracer technique, wherein modeling is faster than conventional diffusion modeling methods by reducing computational volume and load and thereby a simulation of marine pollution dispersion with respect to the long-term continuous discharge may be performed through the numerical tracer technique by configuring to simulate the marine dispersion of suspended sediments (SS) and COD using the Quick Dispersion (Q-DISP) model, which is a diffusion model using the Monte Carlo method, in order to solve the problems of conventional marine pollution dispersion modeling systems and methods using numerical tracer techniques which have the disadvantage of requiring a high-performance computer and a large amount of memory due to the increased computation.

Abstract: Proposed are an apparatus and a method for tracking location using a control platform of a small buoy for simulating marine pollutants, in which at least one small observation buoy floats on the ocean, and a relay buoy collects location information from the observation buoy and provides the collected location information to a weather information management server. The apparatus may include at least one observation buoy and a relay buoy, the observation buoy including a GPS receiver which receives a signal transmitted from a GPS satellite and generate location information. The apparatus may also include a communicator performing wireless transmission and reception of signals with the relay buoy, and a power source providing driving power to the GPS receiver and the communicator. The relay buoy may receive location information from the at least one observation buoy and provide the received location information to a weather information management server.

Abstract: Provided are an apparatus and a method for measuring water depth. In order to solve a problem of water depth measurement apparatuses and methods in the related art, provided are a system and a method for measuring water depth using radar image processing, wherein an underwater environment, such as the shape of a seafloor surface, is more accurately recognized through analysis of a SAR image using synthetic-aperture radar (SAR), and thus, more efficient and accurate water depth measurement is achieved for a wide region with a relatively simple configuration and low cost.

Abstract: Disclosed are a metal catalyst with a vertical heterojunction interface and a method of producing the same. The metal catalyst with the vertical heterojunction interface according to an embodiment of the disclosure allows hydrogen adsorbed on a transition metal oxide to be transferred to a transition metal sulfide (hydrogen spillover phenomenon), thereby having effects on having both excellent hydrogen adsorption performance and excellent catalyst activities.

Abstract: The present invention discloses a metal sulfurization device using a single furnace, comprising an internal quartz tube unit; an external quartz tube unit that is located outside the internal quartz tube unit; a single furnace that is outside the external quartz tube unit and is movable along the outside of the external quartz tube unit; and a single furnace location control unit that is capable of controlling a position of the single furnace, wherein the internal quartz tube part includes: a sulfur source part that supplies sulfur powder; a substrate part on which metal is deposited; a distance control part that is capable of controlling a distance between the sulfur source part and the substrate part; and a gas supply part that injects gas from the sulfur source part toward the substrate part.

Abstract: Disclosed are a bone age estimation method and a bone age estimation apparatus. The bone age estimation method may comprise the steps of: extracting a region of interest including a cervical spine region from a lateral cephalometric radiographic image obtained by imaging a subject's cervical spine, by using a first deep learning model; extracting landmarks from the extracted region of interest by using a second deep learning model; calculating a landmark numerical value on the basis of the extracted landmarks; and providing maturity information of a maturation stage of the cervical spine on the basis of the calculated landmark numerical value.

Abstract: Proposed is an underwater drift tracking system based on a maritime positioning platform. The underwater drift tracking system may include a plurality of underwater drifting objects configured to transmit sound wave signals including their own water depth information by using sound wave communication while drifting underwater. The underwater drift tracking system may also include a maritime drift tracker configured to track real-time underwater locations of the underwater drifting objects by moving on the sea under its own power, receiving the transmitted sound wave signals from the plurality of underwater drifting objects, and calculating absolute location information of the plurality of underwater drifting objects using the received sound wave signals.

Abstract: A display device includes: a display panel; a first sound generator disposed on one surface of the display panel, where the first sound generator vibrates the display panel to output a first sound; and a first vibration damping member disposed between the display panel and the first sound generator, where the first vibration damping member reduces a vibration displacement of the display panel.