Abstract: A stent and a method for manufacturing the stent are disclosed. A stent according to an embodiment of the present invention is manufactured by using a jig having a cylindrical body on which a plurality of pins (P) are arranged in the circumferential direction (X) and the lengthwise direction (Y). The stent has a cylindrical structure, in which a wire member forms a zigzag pattern woven in the circumferential direction (X) with a predetermined width through the pins on the jig and a plurality of zigzag patterns formed in the circumferential direction (X), intersecting with one another, are arranged in the lengthwise direction with predetermined intervals (W) therebetween, forming a mesh structure with a rhombus pattern.

Abstract: Provided a liquid crystal composition including ceramide, a method of preparing the same, and a cosmetic composition including the same. According to a liquid crystal composition including various types of ceramide of an aspect and a method of preparing the same, the liquid crystal composition not only has high liquid crystal stability that liquid crystal is maintained even after 4 weeks at a high temperature, but also activities of increasing an amount of ceramide, increasing an expression level of aquaporin 3, increasing an amount of filaggrin, increasing an expression level of hyaluronic acid, increasing an expression level of loricrin, increasing an expression level of involucrin, and increasing a thickness of the skin, resulting in effects usefully available for amelioration of the skin conditions.

Abstract: Provided is a cosmetic composition including ceramides and a sphingolipid. A composition including two or more different ceramides and a sphingolipid, according to an embodiment, has the activity of increasing a ceramide content in the skin, increasing the expression level of aquaporin 3, increasing the expression level of fillaggrin, increasing the expression level of loricrin, increasing the expression level of involucrin, and increasing the skin thickness, and thus can be effectively used for improving skin conditions.

Abstract: Provided a liquid crystal composition including ceramide, a method of preparing the same, and a cosmetic composition including the same. According to a liquid crystal composition including various types of ceramide of an aspect and a method of preparing the same, the liquid crystal composition not only has high liquid crystal stability that liquid crystal is maintained even after 4 weeks at a high temperature, but also activities of increasing an amount of ceramide, increasing an expression level of aquaporin 3, increasing an amount of filaggrin, increasing an expression level of hyaluronic acid, increasing an expression level of loricrin, increasing an expression level of involucrin, and increasing a thickness of the skin, resulting in effects usefully available for amelioration of the skin conditions.

Abstract: Disclosed is a composition for treating a wound including a dermis-derived extracellular matrix and a method for preparing the composition. By using the composition for treating a wound according to the present invention, the composition can be applied to wounds of various sizes and depths by increasing the viscosity of the composition, the composition is well coagulated without falling off for a certain period of time after application to a wound surface, and the composition can promote recovery.

Abstract: There is provided a network comprising a network switch comprising a pre-configured routing table and a first physical port coupled to an endpoint sensor device initiated with an initial network address. One or more processors are coupled to a third physical port of the network switch and are configured to: transmit configuration data for the endpoint sensor device to the third physical port via a first virtual area network. The first virtual area network is associated by the pre-configured routing table with the first physical port and a second virtual area network is associated with a second physical port of the network switch. A command to the endpoint sensor to use a different network address is transmitted by the network switch via the first physical port based at least in part on receiving the configuration data.

Abstract: Disclosed is a neural network learning apparatus for deep learning and a method thereof. A neural network learning apparatus for deep learning according to an embodiment of the present disclosure includes an input interface, a memory, and a learning processor for applying a Gradient Descent algorithm to a neural network model, and the learning processor may transform a cumulative change function of the gradient for an error function into an inverse square root function in the Gradient Descent algorithm, and operate an inverse square root approximate value by using a Newton-Raphson method for the transformed inverse square root function. The neural network learning apparatus for deep learning of the present disclosure may be connected or converged with an Artificial Intelligence module, an Unmanned Aerial Vehicle (UAV), a robot, an Augmented Reality (AR) apparatus, a Virtual Reality (VR), or a 5G network service-related apparatus, etc.

Abstract: The present invention relates to a decellularized nerve graft using allogeneic and heterologous nervous tissues and a method of manufacturing the same. In the present invention, by using a low-concentration basic solution and a surfactant as a decellularization solution, cell and tissue toxicity caused by a solvent or surfactant remaining in the tissue may be minimized by minimizing the use of a basic solution and an anionic surfactant in the entire manufacturing process. In addition, a peristaltic pump may be used to maintain the tissue structure and effectively remove lipid and cells.

Abstract: The present invention relates to a medical composition and a method for preparing the same, the medical composition comprising: an adipose tissue-derived extracellular matrix powder; and a biocompatible polymer or a crosslinked product of the biocompatible polymer. The medical composition according to the present invention exists in a well-aggregated state even after implantation in the body and can maintain the volume thereof for a certain time.

Abstract: The present invention relates to an allogeneic and heterologous adipose tissue-derived extracellular matrix scaffold, and a method for producing the same. An adipose tissue-derived extracellular matrix scaffold according to the present invention has a composition similar to the human body, a large surface area, and an interconnected porous structure, and thus has high cell affinity and allows cells to survive for long periods.

Abstract: A stent and a method for manufacturing the stent are disclosed. A stent according to an embodiment of the present invention is manufactured by using a jig having a cylindrical body on which a plurality of pins (P) are arranged in the circumferential direction (X) and the lengthwise direction (Y). The stent has a cylindrical structure, in which a wire member forms a zigzag pattern woven in the circumferential direction (X) with a predetermined width through the pins on the jig and a plurality of zigzag patterns formed in the circumferential direction (X), intersecting with one another, are arranged in the lengthwise direction with predetermined intervals (W) therebetween, forming a mesh structure with a rhombus pattern.

Abstract: Disclosed is a neural network learning apparatus for deep learning and a method thereof. A neural network learning apparatus for deep learning according to an embodiment of the present disclosure includes an input interface, a memory, and a learning processor for applying a Gradient Descent algorithm to a neural network model, and the learning processor may transform a cumulative change function of the gradient for an error function into an inverse square root function in the Gradient Descent algorithm, and operate an inverse square root approximate value by using a Newton-Raphson method for the transformed inverse square root function. The neural network learning apparatus for deep learning of the present disclosure may be connected or converged with an Artificial Intelligence module, an Unmanned Aerial Vehicle (UAV), a robot, an Augmented Reality (AR) apparatus, a Virtual Reality (VR), or a 5G network service-related apparatus, etc.

Abstract: Disclosed is a rotational actuator for an optical device, which includes a rotary shaft capable of freely rotating at a fixed position; a first shape-memory alloy wire fixed in a first direction to give a rotation moment to the rotary shaft, the first shape-memory alloy wire making length contraction with respect to the rotary shaft when an electric current is applied thereto; a second shape-memory alloy wire fixed in a second direction opposite to the first direction to give a rotation moment with respect to the rotary shaft, the second shape-memory alloy wire making length contraction with respect to the rotary shaft when an electric current is applied thereto; and a control unit configured to supply an electric current to the first shape-memory alloy wire when rotating the rotary shaft in the first direction and supply an electric current to the second shape-memory alloy wire when rotating the rotary shaft in the second direction.

Abstract: Disclosed is a rotational actuator for an optical device, which includes a rotary shaft capable of freely rotating at a fixed position; a first shape-memory alloy wire fixed in a first direction to give a rotation moment to the rotary shaft, the first shape-memory alloy wire making length contraction with respect to the rotary shaft when an electric current is applied thereto; a second shape-memory alloy wire fixed in a second direction opposite to the first direction to give a rotation moment with respect to the rotary shaft, the second shape-memory alloy wire making length contraction with respect to the rotary shaft when an electric current is applied thereto; and a control unit configured to supply an electric current to the first shape-memory alloy wire when rotating the rotary shaft in the first direction and supply an electric current to the second shape-memory alloy wire when rotating the rotary shaft in the second direction.

Abstract: An apparatus for processing images may include a de-multiplexer that receives a data stream and de-multiplexes a video signal and channel information from the data stream, a first decoder that provides a decoded video signal, a thumbnail generator coupled to the first decoder to generate at least one of a still picture thumbnail or a moving picture thumbnail based on the decoded video signal, and an encoder coupled to the thumbnail generator and the de-multiplexer. The encoder encodes the thumbnail with the channel information to provide a thumbnail data stream to provide thumbnails of moving pictures and/or still pictures on a display.

Abstract: Provided are an apparatus and method of generating a tracking error signal, and an optical information storage system including the apparatus. The apparatus includes a bias signal generator for generating a bias signal for canceling a direct current (DC) offset of a push-pull signal using a tracking control signal generated by the tracking controller. Accordingly, an offset generated in a tracking error signal may be canceled or otherwise reduced using the bias single instead of using an additional side beam.

Abstract: Provided are an apparatus and method of generating a tracking error signal, and an optical information storage system including the apparatus. The apparatus includes a bias signal generator for generating a bias signal for canceling a direct current (DC) offset of a push-pull signal using a tracking control signal generated by the tracking controller. Accordingly, an offset generated in a tracking error signal may be canceled or otherwise reduced using the bias single instead of using an additional side beam.

Abstract: In a plasma display device, a secondary coil of a transformer is connected across a panel capacitor formed by a scan electrode and a sustain electrode performing a sustain discharge. The plasma display device uses resonance between a secondary coil of a transformer and a panel capacitor to apply a sustain discharge pulse to a scan electrode and a sustain electrode in a sustain period.

Abstract: Disclosed is a method for forming a metal line. The method includes preparing a semiconductor substrate having a first metal line, performing an oxidation process with respect to the first metal line, performing an oxide removal process to remove an oxide generated in the oxidation process, forming an etch stop layer on the metal line, forming an interlayer dielectric layer on the first metal line, and forming a damascene pattern on the interlayer dielectric layer, and forming a second metal line, which is connected with the first metal line, in the damascene pattern. The oxidation process for the first metal line can include a hydrogen peroxide treatment process using a solution including oxygen. The oxide removal process can be performed by using an oxalic acid (HOOC—COOH) solution.

Abstract: In a plasma display device, a secondary coil of a transformer is connected across a panel capacitor formed by a scan electrode and a sustain electrode performing a sustain discharge. The plasma display device uses resonance between a secondary coil of a transformer and a panel capacitor to apply a sustain discharge pulse to a scan electrode and a sustain electrode in a sustain period.