Abstract: The present invention relates to a process for producing of polycrystalline silicon, and the method includes (1) preparing a silicon-containing gas; (2) storing the silicon-containing gas in a storage tank; (3) depositing polycrystalline silicon by injecting the silicon-containing gas stored in the storage tank to a CVD reactor; (4) treating an off-gas emitted in the depositing step; and (5) injecting the gas treated in the treating step to the storage tank.

Abstract: An adaptive cruise control apparatus includes a sensor device for acquiring information on vehicles around a subject vehicle including information on a distance between a forward vehicle and the subject vehicle, and a controller for calculating an acceleration of the subject vehicle based on the information on vehicles around the subject vehicle, determining a traffic condition around the subject vehicle based on the information on vehicles around the subject vehicle, limiting the acceleration of the subject vehicle according to the determined traffic condition, and controlling a power train of the subject vehicle according to the limited acceleration.

Abstract: An exemplary embodiment of the present disclosure may provide a sound generator which is connected to a vehicle body and generates sound, the sound generator including: a magnetic circuit generating vibration; a yoke contacting an upper surface of the magnetic circuit; an elastic member contacting at least a part of an upper surface of the yoke and performing vibration motion; a housing including an internal space formed as upper and lower sides of the housing are opened and lateral sides of the housing are closed; and a coil receiving an alternating current signal provided from the outside, wherein the coil is positioned in the internal space of the housing, wherein the sound generator transmits the vibration generated by the magnetic circuit to the vehicle body and vibrate at least a part of the vehicle body such that sound is generated from the vehicle body.

Abstract: A packaged semiconductor device with a particle roughened surface on a portion of the lead frame that improves adhesion between the molding compound and the lead frame. A packaged semiconductor device with a particle roughened surface on a portion of the lead frame that improves adhesion between the molding compound and the lead frame and with a reflow wall that surrounds a portion of the solder joint that couples the semiconductor device to the lead frame. A packaged semiconductor device with a reflow wall that surrounds a portion of a solder joint that couples a semiconductor device to a lead frame.

Abstract: A corrugated constant pressure cylinder apparatus having no micro leaks and its method of use. The internal pressure of the corrugated cylinder (b10) is maintained at a constant pressure so as to allow for transport or storage in a state without micro leaks. The corrugated constant pressure cylinder apparatus is able to keep substances that exist in gaseous or liquid form at room temperature such as mixed refrigerant gases, volatile organic compounds (VOC), hydrocarbon mixtures-in liquid form, or is able to keep the pressure constant even if the internal volume changes due to the contents inside the cylinder.

Abstract: A phase shift mask includes a substrate, a second phase shift pattern on the substrate, the second phase shift pattern extending to an outermost perimeter of the substrate, the second phase shift pattern being formed of a material that is semi-transmissive to light of a first wavelength and the substrate being substantially transparent to the light of the first wavelength such that the mask transmits about 2 to about 10% of the light of the first wavelength at the second phase shift pattern, and a first phase shift pattern on the substrate, the second phase shift pattern being disposed between the outermost perimeter of the substrate and the first phase shift pattern.

Abstract: Disclosed is an article comprising polymers and copolymers selected from the group consisting of poly(vinylbiphenyl), poly(vinylcyclohexylstyrene), substituted versions thereof, and blends thereof, the polymer or copolymer having a weight average molecular weight (Mw) of at least 100 kg/mole and a glass transition temperature (Tg) of at least 100° C. The polymers are desirably processed in the melted state at a temperature of at least 150° C. to impart orientation and extensional strain hardening.

Abstract: Disclosed are a communication scheme and a system thereof for converging an IoT technology and a 5G communication system for supporting a high data transmission rate beyond that of a 4G system. A method and an apparatus for configuring a connection with a second device, which provides access to a network, by a first device in a communication system, is provided. The method includes discovering the second device supporting a neighbor awareness network (NAN) and located within a predetermined range from the first device, exchanging an ephemeral key of the first device for identifying the first device and an ephemeral key of the second device for identifying the second device, and performing a secure connection between the first device and the second device.

Abstract: Methods and an electronic device are provided for displaying one or more items. An aspect ratio of each of the items is determined. A full screen is divided into regions. Each of the regions has an aspect ratio that is the same as that of a respective one of the items. The items are simultaneously displayed in the regions.

Abstract: A composite antenna substrate and semiconductor package module includes: a fan-out semiconductor package including a semiconductor chip, an encapsulant encapsulating at least portions of the semiconductor chip, and a connection member including a redistribution layer electrically connected to connection pads; and an antenna substrate including an antenna member including antenna patterns, ground patterns, and feed lines, and a wiring member disposed below the antenna member and including wiring layers including feeding patterns electrically connected to the feed lines.

Abstract: A light-emitting diode (LED) package includes: a reflective structure including a cavity, a bottom portion having a through hole, and a sidewall portion surrounding the cavity and the bottom portion and having an inclined inner side surface; an electrode pad inserted into the through hole; an LED on the bottom portion in the cavity, the LED including a light-emitting structure electrically connected to the electrode pad and a phosphor formed on the light-emitting structure; and a lens structure filling the cavity and formed on the reflective structure.

Abstract: An apparatus for bonding a flexible part including inclined leads is provided, more particularly, an apparatus for bonding a flexible part including inclined leads, which aligns parts to bond the parts is provided. According to the apparatus for bonding a flexible part including inclined leads, an electronic part may be easily bonded to a part having an inclined surface.

Abstract: Provided is a beauty care pack including: a support; a shape retaining layer that is laminated on the support so as to be separated from the support by moisture and is formed by electrospinning a polymer material, to maintain moisturizing and hold the shape of the beauty care pack; and a chemical liquid layer that is laminated on the shape retaining layer and is formed by electrospinning a water-soluble polymer material and a functional material, and that is a dry type and melted by moisture, to thus be easily and conveniently stored and packaged, and conveniently used since the dry sheet is attached on the face of a user.

Abstract: Provided is a sound device having a membrane attached between a case and an electro-acoustic transducer using an adhesive foam tape, thereby enabling the prevention of a deterioration of vibration amplitude-related properties of the membrane, and the prevention of a distortion of sound that is being delivered. The sound device includes: a waterproof air-permeable membrane permeating gas entering and exiting an electro-acoustic transducer disposed inside the sound-transmitting hole and blocking the inflow of water; and a first adhesive foam tape having one side adhered to the membrane and the other side adhered to the case to adhere an edge of the membrane to a periphery of the sound-transmitting hole of the case. The first adhesive foam tape is provided with a plurality of pores formed on adhesive surfaces of the one side and the other side respectively bonded to the membrane and the case and filled with an adhesive material.

Abstract: A switching device and a method for switching states of a switching device are provided, the switching device comprising a housing; a switching module comprising a switching element, the switching module is configured to switch a state of the switching element upon generation of a switching signal; and an actuator for receiving a mechanical input and for facilitating generation of an electrical toggle signal, the toggle signal for causing the switching module to switch a state of the switching element.

Abstract: A robot arm having a weight compensation mechanism. In one configuration, the robot arm includes a first link which is pivotably disposed, a first auxiliary link disposed parallel to the first link, a first pulley mounted on the first auxiliary link, a second pulley mounted on the first link, a wire connecting the first pulley to the second pulley, and an elastic member having one side mounted on the first link and the other side connected to the wire to provide an elastic force to compensate for the load of the first link.

Abstract: A lubricating coating composition and a compressor including a sliding member coated with the lubricating coating composition. The lubricating coating composition includes a thermosetting or thermoplastic polyimide-based resin as a binder, a solid lubricant, various solvents, and other additives at a controlled ratio. The compressor includes a first member including a first sliding surface and a second member moving relative to the first member including a second sliding surface. The lubricating coating composition is applied to the first sliding surface or the second sliding surface.

Abstract: A light source device for calibrating an image sensor is provided. The light source device includes a light source unit for outputting light, a transform filter unit for controlling a color temperature according to a wavelength of the light received from the light source unit, and a plurality of diffusion plates for controlling a ratio of long-wavelength light to short-wavelength light, the long-wavelength light and the short-wavelength light being output from the light source unit.

Abstract: A nonvolatile memory system may include a nonvolatile memory device, a delegate page attacker, and a health status analyzer. The nonvolatile memory device may include at least one memory block including a plurality of storage pages and a delegate page. The delegate page attacker may be configured to attack a bit of the delegate page at the same corresponding location as a bit of the storage page in which an error occurs. The health status analyzer may be configured to perform write and read operations for the delegate page and analyzes error information occurred in the write and read operations to determine whether the nonvolatile memory device is in a failure status.

Abstract: The present invention provides an underwater communication system capable of efficiently communicating with a plurality of sensor nodes by using a limited frequency in the water. The present invention has a hierarchical structure in which one underwater base station control station manages a plurality of underwater base stations in the water, and each underwater base station within a plurality of underwater base stations centrally manages a plurality of underwater sensor nodes. Furthermore, the present invention enables efficient underwater communication the underwater environment by using different frequencies, when the underwater base station control station performs the underwater communication with the plurality of underwater base stations, and when the underwater base stations perform the underwater communication with the plurality of underwater sensor nodes.