Abstract: A printed circuit board including a first insulating layer; a plurality of first circuit patterns respectively disposed on the first insulating layer; a second insulating layer disposed on the first insulating layer and covering a portion of a side surface of each of the plurality of first circuit patterns; and an insulator disposed between at least one pair of adjacent first circuit patterns, among the plurality of first circuit patterns, and integrated with the first insulating layer, and a method for manufacturing a printed circuit board, are provided.

Abstract: A rendering method of an object-based audio signal and an apparatus for performing the same are provided. The rendering method of an object-based audio signal includes obtaining a rendered audio signal, performing clipping prevention on the rendered audio signal using a first limiter, mixing a signal output by the first limiter using a mixer, and performing clipping prevention on the mixed signal using a second limiter.

Abstract: The present disclosure provides a waveguide display apparatus. The waveguide waveguide display apparatus of the present disclosure is a waveguide display apparatus for correcting curved surface reflection distortion, the waveguide display apparatus including a waveguide for guiding light inputted from the outside; a first diffractive optical element disposed at the waveguide, and diffracting the light inputted from the outside to the inside of the waveguide; and a second diffractive optical element disposed at the waveguide, and diffracting the light guided by the waveguide to output a plurality of diffracted lights in a direction of a curved surface reflector located outside, wherein the second diffractive optical element has a structure of a diffraction grating corresponding to a curvature of the curved surface reflector such that the diffracted lights are reflected at different locations of the curved surface reflector in directions parallel to each other.

Abstract: A method of rendering object-based audio and an electronic device performing the method are provided. The method includes identifying a bitstream, determining a reference distance of an object sound source based on the bitstream, determining a minimum distance for applying distance-dependent attenuation, based on the reference distance, and determining a gain of object-based audio included in the bitstream based on the reference distance and the minimum distance.

Abstract: A manufacturing method of a semiconductor device may include: forming a stack comprising first material layers and second material layers that are alternately stacked; forming an opening in the stack; forming a first seed layer in the opening; forming a first buffer layer by surface-treating the first seed layer; and forming a blocking layer by oxidizing the first seed layer through the first buffer layer.

Abstract: A lightning rod with an electric double layer and electric dipole moment type discharge amplification function, the lightning rod including: a support member (100) for moving a lightning current to the ground; an emission member (200) fitted to the support member (100) to collect charges of the ground according to the approach of a thundercloud and thus emit a large number of ions with the opposite polarity to the polarity of the thundercloud; ground charge chargers (300) fitted to the support member (100) and having spaces formed therein to charge the charges of the ground; an insulation member (400) disposed on top of the emission member (200); and discharge induction members (500) fixedly disposed on top and underside of the emission member (200) by means of the insulation member (400).

Abstract: A method for decoding an image based on an intra prediction, comprising: obtaining a first prediction pixel of a first region in a current block by using a neighboring pixel adjacent to the current block; obtaining a second prediction pixel of a second region in the current block by using the first prediction pixel of the first region; and decoding the current block based on the first and the second prediction pixels.

Abstract: The present invention relates to an apparatus and a method for searching for an open API and generating a mashup block skeleton code. A method for searching for an open API and generating a mashup block skeleton code includes: storing metadata of web services and open APIs according to an integrated schema; searching for a web service or an open API corresponding to search query input from a user; extracting the metadata necessary to generate the skeleton code of the metadata of the mashup block by using the mapping relationship between the meta data of the searched web service or the searched open API and the metadata of the mashup block; and generating the skeleton code of the metadata of the mashup block by using the extracted metadata.

Abstract: Provided are an apparatus and method of providing facility information that may correct inaccurate information on a facility using site information and provide the corrected information in an augmented reality manner. A facility information providing apparatus according to an exemplary embodiment of the present invention including: a site information analyzing unit that analyzes site information to identify a site facility; a facility information searching unit that retrieves facility information corresponding to the site information; a facility information mapping unit that maps the facility information with the site facility and corrects the facility information based on a mapped result to generate corrected facility information; and an augmented reality providing unit that synthesizes the corrected facility information with the site information to generate augmented reality information.