Abstract: A semiconductor device may include a gate structure including stacked local lines and a multi-step structure, wherein the multi-step structure defines pads of the local lines, channel patterns respectively disposed over the pads, a block word line disposed over the channel patterns and extending along a profile of the multi-step structure, and first contact plugs passing through the channel patterns and respectively connecting the channel patterns and the local lines.

Abstract: A semiconductor device may include a source structure, a support structure positioned on the source structure and including a first inclined surface extending in a second direction crossing the first direction, a gate structure positioned on the source structure and the support structure and including conductive layers and insulating layers alternately stacked, channel structures extending through the gate structure and connected to the source structure, and a slit structure extending in the first direction through the gate structure, wherein each of the conductive layers includes a second inclined surface extending in the second direction.

Abstract: A semiconductor device may include: a first gate structure; a second gate structure disposed over the first gate structure; and a channel structure including a first portion extending through the first gate structure, the first portion having a tapered cross section, a second portion having a tapered cross section, and a third portion connecting the first portion with the second portion, wherein the third portion has a vertical profile, and wherein the second portion and the third portion extends through the second gate structure.

Abstract: The present technology relates to a semiconductor memory device and a method of manufacturing the same. The semiconductor memory device includes a first stack structure, a plurality of first slits passing through the first stack structure in a vertical direction and extending in a first horizontal direction orthogonal to the vertical direction, a first source line layer contacting an a top portion of the first stack structure, a second source line layer directly contacting the first source line layer, a second stack structure contacting the second source line layer and overlapping with the first stack structure in the vertical direction, and a plurality of second slits passing through the second stack structure in the vertical direction and extending in a second horizontal direction orthogonal to the vertical direction.

Abstract: A memory device includes a first peripheral circuit having first page buffers is functionally divided into a cell region and a connection region. A first memory cell array positioned on the first peripheral circuit includes first bit lines that are electrically connected to the first page buffers. A second memory cell array positioned on the first memory cell array includes second bit lines, which are electrically connected to the first bit lines, respectively. The first peripheral circuit is able to make use of both memory arrays using connections between the two memory arrays.

Abstract: A power conversion device comprises: a housing having a space formed therein and including a first opening and a second opening; a fan coupled to the second opening and allowing air to flow in a first direction from the first opening toward the second opening; a first electronic component arranged in the space; a heat dissipation member arranged at the rear of the first electronic component with respect to a flow direction of air; a printed circuit board arranged on the heat dissipation member; and a second electronic component arranged under the printed circuit board to be in contact with the upper surface of the heat dissipation member.

Abstract: A memory device may include a stack structure including a plurality of conductive layers and a plurality of interlayer insulating layers, which are alternately stacked along a first direction, an opening extending in the first direction from at least one conductive layer, among the plurality of conductive layers, in the stack structure, and a contact plug in the opening. The opening may include a protrusion portion protruding in a second direction intersecting the first direction.

Abstract: An apparatus and method combine an augmented reality scheme with an AP search function and visually provide positions of searched APs as well as names of the searched APs and strength of signals received from the searched APs. The apparatus includes a communication unit for receiving signals of APs around the portable terminal, an input unit for receiving input for searching the APs, a camera unit for photographing environments around the portable terminal when searching the APs, a display unit for outputting an image photographed by the camera unit on a preview picture, an AP attribute ascertaining unit for ascertaining attributes of the APs which exist around the portable terminal and ascertaining positions of the APs, and a controller for outputting the APs on the preview picture to correspond to the positions of the ascertained APs.

Abstract: A noise reduction apparatus of a mobile terminal improves reception sensitivity by creating a electrical closed loop. The mobile terminal has a main circuit board and a slide hinge. The mobile terminal also includes a flexible printed circuit board (FPCB) that includes a first end coupled to the main circuit board and a second end fixed and coupled to a portion of an upper surface of the slide hinge. A noise reduction apparatus is installed between the main circuit board and the slide hinge to form an electronic closed loop that includes the main circuit board, the FPCB, the slide hinge, and the noise reduction apparatus. Noise is reduced by inducing noise abandoned to a slide hinge through a FPCB to an electrical close loop formed by the noise reduction apparatus, thereby improving reception sensitivity.

Abstract: Disclosed is a rubber composition obtained by chemically blending rubber with a filler, particularly in which Latex rubber is directly blended with a starch solution obtained by gelatinizing starch in water. Herein, as a coupling agent between Latex rubber and starch, resorcinol-formaldehyde is used. By this, a vulcanized rubber compound is prepared. When resorcinol-formaldehyde is used as a coupling agent during the blending of the Latex rubber with the gelatinized starch solution, it is possible to solve the problem of tensile strength lowering caused by low affinity with rubber. Furthermore, it is possible to inhibit starch loss caused by high water-solubility, during the blending of starch in a liquid state. Also, the physical property of the vulcanized rubber compound can be varied according to the amount of the added coupling agent.

Abstract: An apparatus and method combine an augmented reality scheme with an AP search function and visually provide positions of searched APs as well as names of the searched APs and strength of signals received from the searched APs. The apparatus includes a communication unit for receiving signals of APs around the portable terminal, an input unit for receiving input for searching the APs, a camera unit for photographing environments around the portable terminal when searching the APs, a display unit for outputting an image photographed by the camera unit on a preview picture, an AP attribute ascertaining unit for ascertaining attributes of the APs which exist around the portable terminal and ascertaining positions of the APs, and a controller for outputting the APs on the preview picture to correspond to the positions of the ascertained APs.

Abstract: A noise reduction apparatus of a mobile terminal improves reception sensitivity by creating a electrical closed loop. The mobile terminal has a main circuit board and a slide hinge. The mobile terminal also includes a flexible printed circuit board (FPCB) that includes a first end coupled to the main circuit board and a second end fixed and coupled to a portion of an upper surface of the slide hinge. A noise reduction apparatus is installed between the main circuit board and the slide hinge to form an electronic closed loop that includes the main circuit board, the FPCB, the slide hinge, and the noise reduction apparatus. Noise is reduced by inducing noise abandoned to a slide hinge through a FPCB to an electrical close loop formed by the noise reduction apparatus, thereby improving reception sensitivity.

Abstract: A method and a system for locating a mobile terminal using an assisted global positioning system are disclosed. The base station promptly and precisely locates a mobile terminal so that emergency action may be taken immediately. In an exemplary embodiment, the base station transmits the determined location of the caller terminal to a Public Safety Answering Point (PSAP) of an enhanced 911 (E911) Location Information System.