Abstract: The present inventive concept provides a method for manufacturing a multi-layered nuclear fuel cladding pipe, comprising the steps of: providing a preliminary cladding pipe in which an inner pipe having a rod-shaped insertion body inserted thereinto is disposed in an outer pipe; reducing the diameter of the preliminary cladding pipe by applying pressure from the outside to the inner side of the preliminary cladding pipe; and removing the insertion body from the inner pipe by providing a force in the direction in which the insertion body extends, wherein the inner pipe and the outer pipe may be formed of different metals from each other.

Abstract: The present application can provide a preparation method that can effectively produce a polymer having desired molecular weight characteristics and solubility in a solvent, and having a monomer composition, which is designed freely and variously according to the purpose, without unnecessary components with excellent polymerization efficiency and conversion rates, and a dispersion comprising the polymer formed by the preparation method.

Abstract: The present invention discloses a copolymer for a polymer electrolyte, and a gel polymer electrolyte and a lithium secondary battery which include the same. Specifically, the present invention discloses a copolymer for a polymer electrolyte, which includes a fluorine-based polymer main chain and a unit derived from an acrylate-based monomer or an acrylate-based polymer containing an ion conductive functional group grafted to the fluorine-based polymer main chain, and a gel polymer electrolyte in which lithium ion transfer capability is improved by including the same. Also, the present invention may prepare a lithium secondary battery with enhanced high-temperature safety by including the gel polymer electrolyte.

Abstract: A display device includes a base layer having a display area and a non-display area adjacent to the display area, pixels disposed in the display area, first signal lines electrically connected to the pixels and disposed in the display area, and second signal lines electrically connected to the first signal lines, wherein the second signal lines include a first line, a second line, a third line, and a fourth line sequentially disposed on the base layer, and wherein, in a planar view, the first line and the second line do not overlap, and the third line and the fourth line do not overlap.

Abstract: A block copolymer and a use thereof are disclosed herein. The block copolymer of the present application may have excellent self-assembly properties or phase separation characteristics and simultaneously have characteristics capable of changing the self-assembly structure formed once, or provide a block copolymer capable of forming a pattern of phase separation structures in a polymer membrane.

Abstract: A coil component includes: a body having a first surface and a second surface opposing each other in one direction and including a core extending in the one direction; a coil portion embedded in the body and having at least one turn around the core; and an external electrode disposed at least on the first surface of the body and connected to the coil portion. A first distance from the coil portion to a third surface of the body is greater than a second distance from the coil portion to a fourth surface of the body. The third and fourth surfaces oppose each other and have the core disposed therebetween. Turns of the coil portion disposed between the third surface of the body and the core are more than those of the coil portion disposed between the fourth of the body and the core.

Abstract: Provided is a diaphragm for a high water pressure waterproof microspeaker. The diaphragm for a waterproof microspeaker includes an annular dome portion formed of an elastic membrane material and having a dome portion protruding upward or downward, an annular outer periphery portion attached to an outer periphery of the dome portion and injection-molded with a material having rigidity, an annular inner periphery portion attached to an inner periphery of the dome portion and injection-molded with a material having rigidity, and a center diaphragm attached to a center of the inner periphery portion, wherein the outer periphery portion and the inner periphery portion are attached to an edge portion by double-shot injection molding.

Abstract: A display device includes a first scan line spaced apart from a signal transmission region and a second scan line having a portion that is adjacent to the signal transmission region. The second scan line adjacent to the signal transmission region bypasses the signal transmission region. A compensation signal line connects one end of the second scan line and the other end thereof, and results in a decrease in a combined resistance of the second scan line.

Abstract: A multilayer capacitor and a board on which the multilayer capacitor is mounted provide increased capacitor effective area. The multilayer capacitor includes a capacitor body having first and second dielectric layers each with first and second internal electrodes, first and second external electrodes disposed on a surface of the capacitor body, a first via electrode connecting the first internal electrodes to the first external electrode, and a second via electrode connecting the second internal electrodes to the second external electrode. The first and second dielectric layers are alternately stacked in the first direction such that the first internal electrode of the first dielectric layer overlaps the second internal electrode of the second dielectric layer in a first direction, and the second internal electrode of the first dielectric layer overlaps the first internal electrode of the second dielectric layer in the first direction.

Abstract: A camera module includes: a lens module including a lens and movably disposed in a housing; a first displacement identification layer disposed on the lens module, configured to move according to movement of the lens module, and having a width varying according to coordinates in one direction in the lens module; and a second displacement identification layer disposed on the lens module, configured to move according to the movement of the lens module, and having a width varying according to the coordinates in the one direction in the lens module. The first and second displacement identification layers are arranged such that a coordinate, among the coordinates in the one direction, corresponding to a maximum width of the first displacement identification layer is different from a coordinate, among the coordinates in the one direction in the lens module, corresponding to a maximum width of the second displacement identification layer.

Abstract: The present application can provide a preparation method that can effectively produce a polymer having desired molecular weight characteristics and solubility in a solvent, and having a monomer composition, which is designed freely and variously according to the purpose, without unnecessary components with excellent polymerization efficiency and conversion rates, and a dispersion comprising the polymer formed by the preparation method.

Abstract: A multilayer capacitor includes a capacitor body including first and second dielectric layers, a plurality of internal electrodes, and a plurality of second internal electrodes, and first and second external electrodes. First and second internal electrodes are disposed in one of the first dielectric layers to be spaced apart from each other. The first and second internal electrodes are disposed in one of the second dielectric layers to be spaced apart from each other. The first and second dielectric layers are alternately laminated in the first direction, such that the first internal electrode of the first dielectric layer and the second internal electrode of the second dielectric layer overlap each other in the first direction and the second internal electrode of the first dielectric layer and the first internal electrode of the second dielectric layer overlap each other in the first direction.

Abstract: Provided is a multilayer capacitor and a board on which the multilayer capacitor is mounted. The multilayer capacitor includes a capacitor body including first to six surfaces, first and second dielectric layers, and first and second internal electrodes; first and second external electrodes disposed on the first surface of the capacitor body; the first and second dielectric layers are alternately layered in a first direction such that the first internal electrode of the first dielectric layer overlaps the second internal electrode of the second dielectric layer in the first direction, and the second internal electrode of the first dielectric layer overlaps the first internal electrode of the second dielectric layer in the first direction.

Abstract: A rotor apparatus includes: a rotor configured to rotate around a rotational axis; a first angular position identification layer surrounding the rotational axis, configured to rotate with the rotor, and having a varying width; and a second angular position identification layer surrounding the rotational axis, configured to rotate with the rotor, and having a varying width. An angular position of the rotor corresponding to a maximum width of the first angular position identification layer is different from an angular position of the rotor corresponding to a maximum width of the second angular position identification layer. The maximum width of the first angular position identification layer is less than or equal to 1.2 times a maximum width of a corresponding first inductor. The maximum width of the second angular position identification layer is less than or equal to 1.2 times a maximum width of a corresponding second inductor.

Abstract: The present application relates to a block copolymer and a use thereof. The present application can provide a laminate which is capable of forming a highly aligned block copolymer on a substrate and thus can be effectively applied to production of various patterned substrates, and a method for producing a patterned substrate using the same.

Abstract: The present application can provide a block copolymer and a use thereof. The block copolymer of the present application can have excellent self-assembly properties or phase separation characteristics and excellent etching selectivity, and various other functions as required can be freely imparted thereto.

Abstract: A display device includes: a base layer including a first region in which a hole is defined, a second region surrounding the first region, and a third region surrounding the second region; a line part disposed on the second region and including first, second, third, and fourth lines disposed on different layers from each other; pixels disposed on the third region; first signal lines electrically connected to the pixels and arrayed along a first direction; and second signal lines electrically connected to the pixels and arrayed along a second direction, wherein one second signal line is electrically connected to the first line, another second signal line is electrically connected to the second line, one first signal line is electrically connected to the third line, and another first signal line is electrically connected to the fourth line.

Abstract: A camera module includes a housing, a frame disposed in an interior space of the housing, a movable body, a lens holder, first and second optical image stabilization (OIS) actuators. The movable body is configured to move in a first direction, perpendicular to an optical axis. The lens holder is configured to move in a second direction perpendicular to the first direction. The first OIS actuator is configured to move the movable body in the first direction. The second OIS actuator is configured to move the lens holder in the second direction. The frame includes a first opening through which a first OIS coil and a first OIS magnet of the first OIS actuator are disposed to face each other, and a second opening through which a second OIS coil and a second OIS magnet of the second OIS actuator are disposed to face each other.

Abstract: A display device includes a substrate including a display area and a peripheral area disposed around the display area, a pad area disposed near an edge of the substrate, and a plurality of pads disposed in the pad area and arranged along the edge of the substrate. An end of a first pad, which is an outermost pad among the plurality of pads, is connected to a first end of a resistor. The first pad is disposed between the resistor and the edge of the substrate, and a second end of the resistor is connected to a wire.

Abstract: A rotor apparatus is provided. The rotor apparatus includes a rotor, configured to rotate around a rotational axis, an angular position identification layer configured to surround surface of the rotor, and configured to rotate with the rotor, and configured to have a width that varies based on an angular position of the rotor, and a permeability layer configured to surround the surface of the rotor, and configured to have a higher permeability than a permeability of the rotor.