Abstract: An overlay measurement device for measuring an error between a first overlay mark and a second overlay mark respectively formed on different layers of a wafer, includes: a light source; an aperture that changes a beam from the light source to be suitable for photographing the first overlay mark or the second overlay mark; a detector for obtaining an image of the first overlay mark or an image of the second overlay mark; a transmission and receipt part; and a processor connecting to the transmission and receipt part electrically.

Abstract: Provided is a memory system including: a memory device; and a memory controller configured to transmit a command and address (CA) signal and a data clock (WCK) signal to the memory device, and transmitting a data (DQ) signal to the memory device or receive the DQ signal from the memory device. The memory device may include a clock distribution network configured to generate a first division clock signal for sampling the CA signal and a second division clock signal for sampling the DQ signal from the data clock signal, a CA sampler configured to sample the CA signal based on the first division clock signal, and a CA parity check circuitry configured to output a parity error signal in response to a parity error occurring for the CA signal, and the memory controller may include processing circuitry configured to enter CA training in response to receiving the parity error signal.

Abstract: A switching controller controlling communication between a processor included in an external device and a memory included in a storage device may pre-fetch memory data into a buffer memory inside the switching controller and provides the data to the processor of the external device based on a command input for a predetermined period.

Abstract: The present disclosure relates to a spunbond nonwoven fabric for a base fabric for tile carpet which not only has excellent spinnability during the production of nonwoven fabric and improves tensile strength and tensile elongation, and has the effect of recycling waste such as polyester plastic, by using recycled polyester with optimized intrinsic viscosity, crystallization temperature, and number of foreign matters as a raw material, and a tile carpet using the same.

Abstract: A walking robot pose estimation method is provided. The walking robot pose estimation method according to an embodiment of the present disclosure includes the calculation a kinematic factor considering data measured by an inertial measurement unit (IMU) mounted on the walking robot and joint kinematics while the walking robot is in motion, obtaining point cloud data with respect to the environment where the walking robot is located by using the LiDAR sensor mounted on it, obtaining image data with respect to the environment where the walking robot is located by using the image sensor mounted on it, data fusion operation of the kinematic factor, the point cloud data, and the image data, and pose estimation of the walking robot based on the fused data.

Abstract: An additive for an electrolyte solution improves the electrochemical properties of a lithium secondary battery.

Abstract: A PCB pad for a SMT process is combined on a PCB. The PCB pad includes an insulation body and a metal reflow portion disposed on the insulation body. The metal reflow portion is located on the side of the insulation body adjacent to the PCB. The metal reflow portion is not electrically connected with the PCB. Thus, the PCB pad may support electronic components of the PCB and prevent the electronic components from being damaged by an external pressure.

Abstract: A memory device configured to select a page having a probability that uncorrectable error correction codes (UECC) will occur by comparing a reference current with a sensing current, and configured to perform a read reclaim operation or an additional pulse applying operation on the corresponding page according to the comparison.

Abstract: The present invention relates to a gas turbine blade having a shelf squealer tip, the gas turbine blade including an airfoil-shaped blade housing, and a squealer tip extending from an edge portion of a tip surface that is an end surface of the blade housing, in which the squealer tip is formed only on a part of the edge portion of the tip surface. According to the present invention, it is possible to maximize film-cooling performance on the tip surface and additionally reduce an aerodynamic loss by suppressing high-temperature main flow reattachment and swirl flow generation on the tip surface.

Abstract: An apparatus for fixing sample and a manufacturing method therefor are provided. The apparatus for fixing sample according to the embodiments of the present invention comprises a substrate having a window hole, a first pattern disposed on the substrate and having a sample fixing hole, and a window layer disposed below the first pattern in the window hole. The sample fixing hole is disposed on the window layer. The method for manufacturing an apparatus for fixing sample comprises preparing a substrate having a first surface and a second surface, forming a first layer on the first surface and a second layer on the second surface, patterning the second layer to form a second pattern, etching the substrate using the second pattern as an etching mask to form a window hole exposing the first layer, patterning the first layer to form a first pattern having a sample fixing hole, and forming a window layer contacting the first pattern in the window hole.

Abstract: An opening structure for a roof airbag includes: a roof lining having an opening; the roof airbag disposed at an interior side of the roof lining; a roof airbag door disposed at the opening in the roof lining at a position where the roof airbag is deployed; and a fixation unit positioned between the roof airbag door and the roof lining. The roof airbag door has an outer lining inserted into and overlapping the roof lining.

Abstract: A motor structure includes a rotor core, a permanent magnet inserted into the rotor core, and a retainer installed to support the permanent magnet in a radial direction of a rotor core.

Abstract: Proposed is a motor control method to control the phase angles of a first partial motor and a second partial motor. In particular, the first partial motor includes a first type 3-phase coil and the second partial motor includes a second type 3-phase coil. In a rotation speed region less than or equal to a predetermined reference rotation speed, the phase angles of the first and second partial motors are controlled to be equal. Meanwhile, the phase angles of the first partial motor and the second partial motor are controlled to be different from each other in a rotation speed region exceeding the reference rotation speed.

Abstract: A memory system includes at least one memory device that includes memory areas. The memory system includes a device allocation manager and security erase circuitry. The device allocation manager determines which of the memory areas is allocated or released based on a request input from at least one host. The security erase circuitry stores a security erase task for a first memory area, which is associated with a release determined by the device allocation manager, in an erase job queue, and removes the security erase task from the erase job queue when the first memory area is reallocated to a first host to which the first memory area was allocated before the release.

Abstract: In accordance with an embodiment, a noise reduction device includes a housing; and a slit located inside the housing and having a unit cell located therein, the unit cell comprising a sound absorbing layer configured to absorb noise generated from a sound source inside the housing, and a meta-material panel layer located on one surface of the sound absorbing layer, the meta-material panel layer comprising a sound meta-material.

Abstract: Provided is a cold-rolled steel sheet consisting of carbon (C): 0.23 wt % to 0.35 wt %, silicon (Si): 0.05 wt % to 0.5 wt %, manganese (Mn): 0.3 wt % to 2.3 wt %, phosphorus (P): more than 0 wt % and not more than 0.02 wt %, sulfur (S): more than 0 wt % and not more than 0.005 wt %, aluminum (Al): 0.01 wt % to 0.05 wt %, chromium (Cr): more than 0 wt % and not more than 0.8 wt %, molybdenum (Mo): more than 0 wt % and not more than 0.4 wt %, titanium (Ti): 0.01 wt % to 0.1 wt %, boron (B): 0.001 wt % to 0.005 wt %, a balance of iron (Fe), and unavoidable impurities, wherein a final microstructure of the cold-rolled steel sheet includes cementite, a transition carbide, and a fine precipitate, the transition carbide including ?-carbide having an atomic ratio of a substitutional element selected from Fe, Mn, Cr, and Mo, to C of 2.

Abstract: A binder for a negative electrode of a rechargeable lithium battery, a negative electrode for a rechargeable lithium battery including the same, and a rechargeable lithium battery including the same are provided. The binder includes a copolymer constructed from a unit derived from an aromatic vinyl-based monomer, a unit derived from a (meth)acrylic ester-based monomer, and a unit derived from a triene-based monomer.

Abstract: The present disclosure relates to a ceramic susceptor and a method of manufacturing the same. The ceramic susceptor includes: a base substrate having a gas flow path configured to supply cooling gas; an insulating plate fixed on the base substrate and having a gas hole; and a pore structure to allow the gas flow path and the gas hole to communicate with each other between the base substrate and the insulating plate, the pore structure including a support fixed to a groove of the base substrate and having a communication hole configured to communicate with the gas flow path, a porous filter embedded between the communication hole and the gas hole on the support, and a fluid stopper disposed on an outer side surface of the support.

Abstract: A binder for rechargeable lithium batteries and a rechargeable lithium battery including the binder are disclosed. The binder for rechargeable lithium batteries includes a unit derived from a (meth)acrylic monomer containing a carboxylic acid group or a carboxylic acid metal salt as a first monomer; a unit derived from a (meth)acrylic monomer containing an amide group or a nitrile group as a second monomer; and a unit derived from a Zwitterionic vinyl or (meth)acrylic monomer as a third monomer.

Abstract: A batch-type complex temperature treatment machine using a high-temperature plasma, and a method for treating exhaust gas thereof. The batch-type complex temperature treatment machine using a high-temperature plasma includes: a reaction part accommodating therein organic matter for carbonization; a rotation part agitating the inside of the reaction part; and a torch part generating plasma so as to carbonize the organic matter inside the reaction part. The torch part is coupled to the reaction part and is coupled to an opposite side to the position where the organic matter is accumulated and agitated inside the reaction part.