Abstract: A capacitor component includes a body including a dielectric layer and an internal electrode layer, and an external electrode disposed on the body and connected to the internal electrode layer. The dielectric layer includes dielectric grains, at least a portion of the dielectric grains has a core-shell structure, and a shell of the core-shell structure contains a rare earth element having an average concentration of more than 0.5 at %.

Abstract: A display device is disclosed that includes a substrate, a display portion, a conductive layer, an inorganic layer, and an amorphous silicon layer. The substrate includes a first area including a transmission area and a non-transmission area adjacent to the transmission area, and a second area adjacent to the first area. The display portion is disposed in the non-transmission area and the second area on the substrate. The conductive layer is disposed between the substrate and the display portion, and overlaps the non-transmission area and the second area. The inorganic layer is disposed on the substrate under the conductive layer, in contact with the conductive layer, and overlaps the conductive layer. The amorphous silicon layer is disposed on the substrate, under the inorganic layer, in contact with the inorganic layer, overlaps the conductive layer in the first area, and entirely overlaps the substrate in the second area.

Abstract: A capacitor component includes a body including a dielectric layer and first and second internal electrode layers, and external electrodes disposed on the body and connected to the first and second internal electrode layers, respectively. The body includes an active portion in which the first and second internal electrode layers are alternately disposed with the dielectric layer interposed therebetween, a cover portion disposed on an upper portion and a lower portion of the active portion, and a side margin portion disposed on both sides of the active portion opposing each other. When a content of magnesium (Mg) included in the active portion is A1, a content of magnesium (Mg) included in the cover portion is C1, and a content of magnesium (Mg) included in the margin portion is M1, 0<A1<M1?C1 and A1/C1?0.60 are satisfied.

Abstract: The present invention provides a battery safety test device includes: a mechanical switch element having one end connected to either a battery positive or negative electrode and the other end connected to an electronic switching element; the electronic switching element having one end connected to the mechanical switch element and the other end connected to the other of the battery positive or negative electrode; a voltage sensor for measuring a voltage of the battery after the mechanical switch element and the electronic switching element are turned on; and a current sensor for measuring a current of the battery after the mechanical switch element and the electronic switching element are turned on.

Abstract: A memory device includes: a first memory cell mat that includes first multi-layer level sub word lines positioned over a substrate; a second memory cell mat that is laterally spaced apart from the first memory cell mat and includes second multi-layer level sub word lines; a first sub word line driver circuit that is positioned underneath the first memory cell mat; and a second sub word line driver circuit that is positioned underneath the second memory cell mat, wherein the first sub word line driver circuit is positioned underneath ends of the first multi-layer level sub word lines, and the second sub word line driver circuit is positioned underneath ends of the second multi-layer level sub word lines.

Abstract: A method for preparing a zinc ferrite-based catalyst according to an embodiment of the present application comprises the steps of: contacting a metal precursor solution including a zinc precursor, a ferrite precursor, an acid solution and water with a basic aqueous solution to obtain a precipitate; and filtering and thereafter drying and calcining the precipitate, wherein the acid solution includes one or more of nitric acid (HNO3) and hydrocarbon acid.

Abstract: A social network service method implemented with a computer is provided which includes receiving at least one control condition for controlling an operation of a social network service from a user, generating a folder operated by the at least one control condition, associating at least one chatting element with the folder, and determining whether to control the operation of the social network service based on the at least one control condition, in response to a message from a conversation partner associated with the at least one chatting element.

Abstract: A display device includes a substrate, a butter layer and light emitting diodes. The substrate defines a first display area including a first pixel area and a transmission area and a second display area including a second pixel area and surrounding at least a portion of the first display area, and the substrate includes an adhesive layer through which a first opening overlapping the transmission area is defined. The buffer layer is disposed on the substrate, and a second opening overlapping the transmission area is defined through the buffer layer. The light emitting diodes are disposed on the buffer layer and overlap the first and second pixel areas.

Abstract: A method for manufacturing a catalyst for oxidative dehydrogenation reaction, a catalyst for oxidative dehydrogenation reaction, and a method for manufacturing butadiene using the same.

Abstract: A method of operating a memory device is provided. The method includes: receiving a first command from a controller; activating a page of a memory cell array based on the first command; reading data of the activated page; detecting an error from the read data; correcting the detected error to generate error correction data; writing back the error correction data to the activated page in based on the detected error being a single-bit error; and blocking write-back of the error correction data to the activated page based on the detected error being a multi-bit error.

Abstract: A memory cell includes: a substrate; an active layer spaced apart from a surface of the substrate and extending in a direction which is parallel to the surface of the substrate; a bit line coupled to one side of the active layer and extending in a direction perpendicular to the surface of the substrate; a capacitor coupled to another side of the active layer and spaced apart from the surface of the substrate; and a word line vertically spaced apart from the active layer and extending in a direction intersecting with the active layer, wherein the word line includes a first notch-shaped sidewall and a second notch-shaped sidewall that face each other.

Abstract: A memory device includes: a first memory cell mat that includes first multi-layer level sub word lines positioned over a substrate; a second memory cell mat that is laterally spaced apart from the first memory cell mat and includes second multi-layer level sub word lines; a first sub word line driver circuit that is positioned underneath the first memory cell mat; and a second sub word line driver circuit that is positioned underneath the second memory cell mat, wherein the first sub word line driver circuit is positioned underneath ends of the first multi-layer level sub word lines, and the second sub word line driver circuit is positioned underneath ends of the second multi-layer level sub word lines.

Abstract: A method for preparing a zinc ferrite-based catalyst comprising: obtaining a precipitate by bringing a metal precursor solution including a zinc precursor, a ferrite precursor, a solution containing an acid and water into contact with a basic aqueous solution; filtering the precipitate; drying the filtered precipitate; and firing the dried precipitate, wherein the solution containing the acid includes one or more of nitric acid (HNO3) and hydrocarbon acid.

Abstract: A system-in-package module includes a substrate, an application specific integrated circuit (ASIC) chip on the substrate, first wafer level package (WLP) memories on the substrate spaced apart from the ASIC chip in a first direction parallel to an upper surface of the substrate, and second WLP memories on the substrate spaced apart from the ASIC chip in a direction opposite to the first direction.

Abstract: A memory cell includes: a substrate; an active layer spaced apart from a surface of the substrate and extending in a direction which is parallel to the surface of the substrate; a bit line coupled to one side of the active layer and extending in a direction perpendicular to the surface of the substrate; a capacitor coupled to another side of the active layer and spaced apart from the surface of the substrate; and a word line vertically spaced apart from the active layer and extending in a direction intersecting with the active layer, wherein the word line includes a first notch-shaped sidewall and a second notch-shaped sidewall that face each other.

Abstract: The catalyst for a hydrogenation reaction according to an exemplary embodiment of the present application comprises: a porous carrier; a catalytic component supported on the porous carrier; and a polymer provided on at least a part of the surfaces of the porous carrier and the catalytic component and comprising the repeating unit represented by Chemical Formula 1.

Abstract: The present specification relates to a method comprising: (A) mixing a ferrite-based catalyst molded article with diluent material particles; and (B) adding the mixture to a catalyst reactor, and a method for preparing butadiene using the same.

Abstract: A burner assembly includes a plurality of burner units including, on front sides thereof, fuel inlets through which fuel is introduced into the plurality of burner units, in which the plurality of burner units cause a combustion reaction using the introduced fuel, a case to which the plurality of burner units are coupled with a predetermined separation distance therebetween, and a flow passage guide that is coupled to a front side of the case and that includes a plurality of fuel openings corresponding to the fuel inlets of the plurality of burner units, and the flow passage guide is implemented as separate from the case.

Abstract: The present specification relates to a method comprising: (A) mixing a ferrite-based catalyst molded article with diluent material particles; and (B) adding the mixture to a catalyst reactor, and a method for preparing butadiene using the same.

Abstract: A social network service method implemented with a computer is provided which includes receiving at least one control condition for controlling an operation of a social network service from a user, generating a folder operated by the at least one control condition, associating at least one chatting element with the folder, and determining whether to control the operation of the social network service based on the at least one control condition, in response to a message from a conversation partner associated with the at least one chatting element.