Abstract: The proposed is a method of forming a plasma-resistant coating layer with low brightness. The method includes (a) performing a heat treatment process on a primary rare-earth metal compound powder having a grain size in a range of 20 nm to 60 nm to prepare a secondary rare-earth metal compound powder, (b) transferring the secondary rare-earth metal compound powder, and (c) spraying the transferred secondary rare-earth metal compound powder onto a substrate to form a rare-earth metal compound coating layer on the substrate. In the transfer, a carrier gas is used to transfer the secondary rare-earth metal compound powder. The secondary rare-earth metal compound powder obtained through the heat treatment process has a grain size in a range of 70 nm to 150 nm, and the rare-earth metal compound coating layer has a brightness value of 50 or less.

Abstract: The present disclosure relates to an implant for pelvic and hip plasty, more particularly, to an implant for pelvic and hip plasty to increase a pelvis and hip volume of a human, the implant for pelvic and hip plasty includes an outer cover which has an interior space, includes an elastic material, and is to be placed in pelvis and hip tissues, a polymer gel filled in the interior space of the outer cover, and a flange portion which protrudes from an edge of the outer cover and is in close contact with and fixed to an iliac crest of a human.

Abstract: It is preferred that the foreign material removal device for notching a secondary battery according to one example of the present invention comprises: a foreign material confirmation part provided so that in a transport path of an electrode film through a notching process, the upper and lower surfaces of the notched electrode pattern are photographed, and a position of a foreign material present in the electrode pattern is calculated based on the photographed image; and a foreign material removal process part provided so that air is sprayed to the position of the foreign material and a vacuum pressure is applied thereto according to the foreign material position information calculated by the foreign material confirmation part.

Abstract: Provided are a printed circuit board, a display device and a method of manufacturing a display device. The printed circuit board includes a base film including a first surface and a second surface, lead lines disposed on the first surface of the base film, and a first cover layer that covers at least a part of the lead lines and includes fill-in portions disposed between the lead lines. Each of the fill-in portions has a surface height less than a surface height of each of the lead lines with respect to the first surface of the base film.

Abstract: A user interface comprising at least a set of reaction icons configured to initiate a search of content of a communication platform is described. In an example, at least the set of reaction icons can be presented via the user interface of the communication platform, wherein individual reaction icons of the set of reaction icons are selectable as search parameters in the user interface. In response to receiving a selection of at least one reaction icon, a search for content, associated with the at least one reaction icon, stored in a database associated with the communication platform can be initiated.

Abstract: Disclosed are a method of encoding and decoding an audio signal and an encoder and a decoder performing the method. The method of encoding an audio signal includes identifying an input signal, and generating a bitstring of each encoding layer by applying, to the input signal, an encoding model including a plurality of successive encoding layers that encodes the input signal, in which a current encoding layer among the encoding layers is trained to generate a bitstring of the current encoding layer by encoding an encoded signal which is a signal encoded in a previous encoding layer and quantizing an encoded signal which is a signal encoded in the current encoding layer.

Abstract: A substrate transfer robot for transferring a substrate in a vacuum chamber, includes: a transfer arm platform having coupling holes, wherein a link connecting member with blades is engaged at a front area of the transfer arm platform and a support shaft of a lower support is inserted into the lower space of one of the coupling holes; and a first and a second transfer arm part each including an end effector for supporting the substrate, multiple transfer link arms and subordinate link arms, and a common link arm that are connected to each other or to the transfer arm platform, wherein, the transfer link arms include at least some of drive shafts, interlocked with transfer driving motors or speed reducers, and output shafts interlocked with the drive shafts, and wherein the end effectors are positioned at different heights from each other through using a bracket.

Abstract: Provided are a polarizing plate, a polarizing plate adhesive composition for same, and an optical display apparatus comprising same, the polarizing plate comprising: a polarizer; and a polarizing plate adhesive layer and a protective layer which are sequentially formed on at least one surface of the polarizer, wherein the polarizing plate adhesive layer comprises poly(ethylenedioxythiophene) poly(styrenesulfonate) (PEDOT:PSS), and the polarizing plate adhesive layer has a surface resistance of about 1×108 to about 1×1012(?/?).

Abstract: The present disclosure relates to a liquid crystal polyester resin composition comprising a liquid crystal polyester resin with a low dielectric constant and a low dielectric loss containing a naphthoic acid monomer as a main skeleton and a hydroxybenzoic acid; a glass bubble having a pressure resistance of 12,000 psi or more; and an inorganic filler such as mica. The present disclosure provides a liquid crystal polyester resin composition suitable for 5G communication materials, which can achieve low dielectric loss characteristics, and at the same time, the addition of glass bubbles with excellent pressure resistance can achieve a low dielectric constant and a low dielectric loss through the maintenance of the hollow body of the glass bubbles even after melt extrusion.

Abstract: The present disclosure relates to a liquid crystal polyester resin composition and an electronic component material comprising the same with low dust characteristics. Specifically, the present disclosure relates to a liquid crystal polyester resin composition for preventing dust generation comprising 65% by weight or more and 85% by weight or less of a liquid crystal polyester resin; more than 0.5% by weight and less than 10% by weight of a transition metal compound containing a Group 6 element of the periodic table; 2% by weight or more and 10% by weight or less of a barium compound; 2% by weight or more and 10% by weight or less of an organic filler; and 12% by weight or more and 30% by weight or less of a filler.

Abstract: In one example, a semiconductor device comprises a substrate comprising a conductive structure, a first electronic component over the substrate, an encapsulant over the substrate and contacting a lateral side of the first electronic component, a shield over the encapsulant and contacting a lateral side of the encapsulant and a portion of a lateral side of the substrate, and a communication structure coupled with the substrate. The substrate comprises a vertical groove side and a horizontal groove side defining a groove in the substrate, wherein a portion of the groove is uncovered by the shield. Other examples and related methods are also disclosed herein.

Abstract: The present disclosure is related to a method for preparing a gaseous- or liquid-nitridation treated core-shell catalyst and, more specifically, to a method for preparing a gaseous- or liquid-nitridation treated core-shell catalyst comprising steps of: nitridation-treating a transition metal precursor core and noble metal precursor shell particles in the presence of a gaseous nitrogen source; or forming a transition metal precursor core and noble metal precursor shell particles, by means of a liquid nitrogen source, and at the same time allowing the nitrogen source to bond with the transition metal precursor and thus allowing nitridation treatment. Therefore, the present disclosure allows a high nitrogen content in the core and thus enables a prepared catalyst to have excellent durability, a small average particle size and high degree of dispersion and uniformity, and thus to be suitable for the fuel cell field.

Abstract: A screen control apparatus of a vehicle and a method thereof are provided. The screen control apparatus includes: a sensing device that measures illumination; a brightness determining device that determines a brightness degree corresponding to the illumination from one or more illumination measurement data; and a controller that controls a screen brightness of a display depending on the determined brightness degree. The controller controls the screen brightness of the display, whenever the brightness degree is changed.

Abstract: Provided are an additive represented by Chemical Formula 1, an electrolyte for a lithium secondary battery including the same, and a lithium secondary battery. Details of Chemical Formula 1 are the same as those described in the specification.

Abstract: A method of rendering object-based audio and an electronic device performing the method are disclosed. The method includes identifying metadata of object-based audio, identifying an audio source distance between the object-based audio and a listener using the metadata, determining a minimum distance of the object-based audio to apply attenuation according to the audio source distance, based on a reference distance of the object-based audio in the metadata, and rendering the object-based audio using the audio source distance and the minimum distance.

Abstract: An apparatus for separating a target object is provided. The apparatus includes an injection unit into which a fluid including microparticles is injected, a passage unit allowing a flow of the target object to be concentrated in a predetermined direction during a process of the injected fluid flowing, the passage unit comprising a plurality of engraved structures having a groove shape in a direction perpendicular to a main flow direction of the fluid, and a target object obtaining unit for obtaining the target object concentrated in the predetermined direction. At least one of the injection unit, the passage unit or the target object obtaining unit comprise a pillar structure arranged in an area other than the plurality of engraved structures.

Abstract: A display device is provided. The display device comprises a display panel including a plurality of signal pads and one or more dummy pads, and at least one flexible wiring board providing signals to the signal pads, wherein a maximum bias period of signals provided to a pair of adjacent signal pads with at least one dummy pad interposed therebetween is longer than a maximum bias period of signals provided to a pair of adjacent signal pads with no dummy pad disposed therebetween.

Abstract: The present embodiment relates to a dual camera module comprising a first camera module and a second camera module, wherein: a first magnet unit of the first camera module includes a first magnet and a second magnet, both disposed opposite to each other on a side surface of a first housing; a second magnet unit of the second camera module includes a third to a sixth magnet arranged on four respective corners of a second housing; a third magnet unit is disposed on a side surface of the first housing facing the second housing; the third magnet unit is disposed between the first magnet and the second magnet; and the third magnet unit is smaller than the first magnet and is disposed on a virtual line connecting an optical axis of the first camera module and an optical axis of the second camera module.

Abstract: Provided is random access method, performed by terminal for uplink data transmission during random access process between cellular based machine communication terminal and base station. The method includes performing random access process between cellular based machine communication terminal and base station, and the random access process includes selecting random access resource by considering coverage level and whether to support multi-tone transmission or not.

Abstract: A semiconductor package includes a first semiconductor chip and a second semiconductor chip stacked on the first semiconductor chip. The first semiconductor chip includes a substrate having a first via hole, an insulation interlayer formed on the substrate and having a first bonding pad in an outer surface thereof and a second via hole connected to the first via hole and exposing the first bonding pad, and a plug structure formed within the first and second via holes to be connected to the first bonding pad. The second semiconductor chip includes a second bonding pad bonded to the plug structure which is exposed from a surface of the substrate of the first semiconductor chip.