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.

Abstract: Disclosed herein is a video decoding system of a mobile broadcasting receiver. The video decoding system of a mobile broadcasting receiver for decoding a compression-coded video signal includes: at least one buffer memory for performing video decoding; a plurality of coprocessors including a data processing unit partitioned into one or more hardware blocks, wherein the data processing unit performs actual video decoding via data input/output from/to the buffer memory; and a DMA (Direct Memory Access) coprocessor for performing a direct access operation to an external memory, wherein, the at least one buffer memory, the plurality of coprocessors and the DMA coprocessor take the form of hardware, and operations thereof are controlled via software in a processor.

Abstract: Embodiments relate to a semiconductor device and a method for fabricating the same. According to embodiments, a semiconductor device may include a first device, a silicon epitaxial layer formed on and/or over the first device, a second device formed on and/or over the silicon epitaxial layer, and a connection via formed through the silicon epitaxial layer, which may electrically interconnect the first device and the second device. According to embodiments, a method for fabricating a semiconductor device may include forming a first device, forming a silicon epitaxial layer on and/or over the first device, forming a connection via through the silicon epitaxial layer, and forming a second device on and/or over the silicon epitaxial layer such that the second device may be electrically connected to the connection via.

Abstract: Methods and systems for providing company call service in wireless and wired integrated network are provided. For example, a call between an employee's wireless device and a client's device can be connected while indicating the employee's wired telephone number as a caller's telephone number. When an employee is receiving a call, one example is to call an employee's wired device first, and if there is no response, employee's wireless device may be called subsequently. In another example, employee's wired and wireless device may be called simultaneously.

Abstract: An image sensor and a method for fabricating the same having enhanced sensivity. The image sensor enhances sensitivity and minimizes optical loss by isolating color filters from each other using a metal that has superior light reflection properties while having no effect on the color filters during deposition of the metal.

Abstract: A semiconductor device package and fabricating method thereof are disclosed, by which heat-dissipation efficiency is enhanced in a system by interconnection (SBI) structure. An exemplary semiconductor device package may include a substrate, at least two chips mounted on the substrate to have a space between one or more of the chips and an edge of the substrate, an insulating layer covering the chips, the insulating layer having via holes exposing portions of the at least two chips and a trench between the via holes, the insulating layer having at least two hole patterns within the space, and a metal layer filling the via holes and the trench.

Abstract: An apparatus for processing images includes a de-multiplexer, a first decoder, a thumbnail generator and an encoder. The de-multiplexer receives a data stream, the de-multiplexer de-multiplexing a video signal and a channel information from the data stream. A first decoder decodes the video signal to provide a decoded video signal including at least one of Predicted frame, (P-frame), Intra frame (I-frame) or Bi-directional frame (B-frame). The thumbnail generator is coupled to the first decoder, and the thumbnail generator generates at least one of a still picture thumbnail or a moving picture thumbnail based on the decoded video signal. The still picture thumbnail and the moving picture thumbnail have at least one of a smaller resolution or a smaller data size than the decoded video signal. The encoder is coupled to the thumbnail generator and the de-multiplexer.

Abstract: Disclosed are an image sensor and a method for manufacturing the same, capable of increasing a light absorbing coefficient by forming a rough surface on a photodiode. The image sensor includes a semiconductor substrate with a plurality of photodiodes thereon having rough upper surfaces, a dielectric layer on the semiconductor substrate, a color filter layer on the dielectric layer, a planarization layer on an entire surface of the semiconductor substrate including the color filter layer, and a plurality of micro-lenses formed on the planarization layer to correspond to the color filter layer.

Abstract: A semiconductor package apparatus includes a first semiconductor chip bonded onto a substrate of which metal wire turning upward; and a second semiconductor chip conductively bonded onto the first semiconductor chip in a vertical direction such that a metal wire of the second semiconductor chip and the metal wire of the first semiconductor chip have facing points. The semiconductor package apparatus includes a third semiconductor chip conductively bonded onto the first semiconductor chip in the vertical direction to be disposed horizontally with the second semiconductor chip such that a metal wire of the third semiconductor chip and the metal wire of the first semiconductor chip have facing points.

Abstract: A method for forming a super contact in a semiconductor device is disclosed. The method enables forming a barrier film selectively on the silicon substrate, leaving the metal contact exposed for perfect isolation of the metal pad from the silicon substrate after formation of the super contact.

Abstract: Provided are a biosensor and a method of fabricating the same. The biosensor has a transistor structure including a gate electrode formed on a substrate, a gate insulating layer formed on the gate electrode, source and drain electrodes formed on the gate insulating layer, and a channel region formed between the source and drain electrodes. Here, the channel region includes an active layer formed of an active polymer sensing an antigen-antibody reaction and a hydrophilic nano particle. The active layer is formed through direct printing, for example, inkjet printing. The biosensor having such a structure can be increased in reactivity between an antigen and an antibody and hydrophilicity to improve the sensor's characteristics, fabricated in a large-area process using direct printing, and further facilitates formation of devices on various substrates formed of, for example, plastic.