Abstract: Provided are a novel transition metal compound of the following Chemical Formula 1 that exhibits excellent catalytic activity, allows formation of a macromonomer which is a polymer in which a double bond is formed at the end of a chain, and improves a melt strength characteristic when used in polymerizing polypropylene, and a method of preparing a polypropylene using the same. wherein A, M, R1 to R10, X1 and X2, Y1 and Y2 and m are described herein.

Abstract: A tantalum capacitor includes a tantalum body including a tantalum element including tantalum powder, and a tantalum wire passing through at least a portion of the tantalum element in a first direction, a molded portion having fifth and sixth surfaces opposing each other in the first direction, third and fourth surfaces opposing each other in a second direction, first and second surfaces opposing each other in a third direction, the molded portion formed to surround the tantalum body, an anode lead frame connected to the tantalum wire, a cathode lead frame spaced apart from the anode lead frame, the cathode lead frame connected to the tantalum body, and a frame terminal disposed on the anode lead frame and the cathode lead frame to be spaced apart from the second surface of the molded portion.

Abstract: In a vehicle seat for one-touch switching to a relaxation mode, a lever link operating in conjunction with a relaxation lever when a relaxation lever is raised up, or a relaxation lever bracket operating in conjunction with a motor cable of an actuator when a relaxation button lever is pushed down locks off a stepless brake. Thus, a rack bar is moved along a link tracking path. As a result, an angle of a cushion frame is changed in the upward direction, and a relaxation cable operated in conjunction with the relaxation lever link or a relaxation memory locks off the relaxation memory. In the present manner, a seat back is moved backward, enabling one-touch relaxation mechanism.

Abstract: A seat mounting device for a vehicle is configured to allow a seat to be removably mounted in a flexible manner according to a user's desired purpose by mounting the seat to face forward or rearward or arranging the seat along with other seats of the vehicle, according to the number of passengers or different seating arrangements. In addition, by allowing the seat to be removed from the leg frame and the leg frame to be removed from the support frame and folded, the seat and leg frame may be easily stored in a separate storage location.

Abstract: The present disclosure relates to a power supply device, and more specifically, to a seat power supply device including an improved power supply structure for a vehicle seat. The seat power supply device includes a pogo pin assembly fixed to a vehicle and electrically connected to a power source; and a distribution element electrically connected to the pogo pin assembly and configured to supply power from the power source to an electronic part of a seat.

Abstract: The hybrid supported metallocene catalyst according to the present disclosure comprises at least one first metallocene compound selected from compounds represented by the following Chemical Formula 1; and at least one second metallocene compound selected from compounds represented by the following Chemical Formula 3, and exhibits high activity in propylene polymerization and is useful for preparing polypropylene having high melt tension through the introduction of long chain branches (LCB) into polypropylene molecules, and a method for preparing a polypropylene using the same, wherein all the variables are described herein.

Abstract: The present disclosure relates to a printed circuit board including: an insulating layer; a through-hole penetrating between an upper surface and a lower surface of the insulating layer opposing in a thickness direction; a metal wiring disposed inside the through-hole; and a metal via filling the through-hole and covering the metal wire.

Abstract: The present disclosure relates to a printed circuit board including: an insulating layer, a through-hole penetrating the insulating layer from an upper surface to a lower surface of the insulating layer and having an inclined wall surface; a metal ball disposed within the through-hole and in contact with the inclined wall surface; and a metal via filling the through-hole and surrounding the metal ball.

Abstract: An actuator for optical image stabilization includes a fixed frame; a moving frame, accommodated in the fixed frame, configured to move relatively to the fixed frame on a plane perpendicular to an optical axis; and a sensor substrate, on which an image sensor is disposed, comprising a fixed portion coupled to the fixed frame, a moving portion comprising the image sensor and coupled to the moving frame, and a connecting portion disposed between the moving portion and the fixed portion to support movement of the moving portion. The moving portion includes a heat dissipation member dissipating heat generated from the image sensor, and the heat dissipation member includes a substrate having a through-hole, and a conductive electrode filling the through-hole.

Abstract: The present invention relates to polyolefin. More specifically, the present invention relates to polyolefin having excellent dart drop impact strength, and exhibiting improved transparency, and such polyolefin has a density of 0.915 g/cm3 to 0.930 g/cm3 measured according to ASTM D1505; and has an ethylene sequence inhomogeneity (I) calculated by the following Equation 1 of 1.25 to 1.40, when analyzed by SSA (Successive Self-nucleation and Annealing): Inhomogeneity (I)=Lw/Ln??[Equation 1] in the Equation 1, Lw is weighted average (unit: nm) of ESL (Ethylene sequence length), and Ln is arithmetic mean (unit: nm) of ESL (Ethylene sequence length).

Abstract: A semiconductor package includes: a package board; a first semiconductor chip disposed on the package board, and having a first recess portion adjacent to a first front surface of the first semiconductor chip facing the package board; a second semiconductor chip disposed side by side with the first semiconductor chip on the package board, and having a second recess portion adjacent to a second front surface of the second semiconductor chip facing the package board; and an interconnect bridge disposed on the first and second front surfaces, and at least partially disposed in each of the first and second recess portions.

Abstract: A tether anchor of a seatback of a vehicle seat includes a first wire fixed in at least a first end of the first wire to a seatback frame and forming a cover mounting part for fixing a cover, a second wire fixed at both ends of the second wire to the seatback frame and forming an anchor part for fixing a top tether of a car seat while crossing the cover mounting part of the first wire, and a cover mounted on the cover mounting part. The cover may be mounted on the cover mounting part so as to expose the anchor part to a rear of the seatback, and to seal the rear of the seatback.

Abstract: A circuit board includes a first glass layer, a first wiring layer embedded in an upper portion of the first glass layer, and a second wiring layer embedded in a lower portion of the first glass layer. At least one of the first and second wiring layers includes a plurality of embedded patterns having different thicknesses.

Abstract: A lens assembly is provided. The lens assembly includes a plurality of lenses disposed along an optical axis, a spacer disposed between a rearmost lens, disposed in a rearmost position in an optical axis direction, among the plurality of lenses, and a lens disposed adjacent to the rearmost lens, and a lens barrel in which the plurality of lenses and the spacer are accommodated. The rearmost lens is configured to be screw-fastened to the lens barrel. The lens, disposed adjacent to the rearmost lens, or the spacer is screw-fastened to the lens barrel. The lens barrel has a through-hole which passes through a side surface of the lens barrel. A side surface of a component that is screw-fastened to the lens barrel, among the lens disposed to be adjacent to the rearmost lens and the spacer, opposes the through-hole.

Abstract: The present disclosure relates to a novel transition metal compound represented by the following Chemical Formula 1, which exhibits excellent catalytic activity for propylene polymerization, and is useful in the preparation of a polypropylene having a narrow molecular weight distribution and a high melting point, a catalyst composition including the same, and a method for preparing a polypropylene using the same, wherein M, X1, X2, and R1 to R8 are described herein.

Abstract: A lens driving apparatus is provided. The lens driving apparatus includes a first frame which accommodates a lens; a driver, connected to the first frame, and configured to generate a driving force to move the first frame in a first direction; and a group of rolling members that include at least one multi-layered rolling member including two or more different materials, wherein the group of rolling members at least partially contacts the first frame.

Abstract: The present disclosure relates to a novel transition metal compound of the following Chemical Formula 1, which exhibits high hydrogen reactivity with excellent catalytic activity for propylene polymerization, and is useful in the preparation of a polypropylene having a narrow molecular weight distribution and a low melting point, a catalyst composition including the same, and a method for preparing a polypropylene using the same, wherein M, X1, X2, R1 to R9 are described herein.

Abstract: The present disclosure relates to a propylene-ethylene random copolymer for high transparency injection that has a low total volatile organic compound emission (TVOC), excellent processability, and maximizing ethylene content.

Abstract: A camera module is provided. The camera module includes a lens barrel in which at least one lens is installed; and a lens holder to which the lens barrel is fixedly installed, wherein one of the lens holder and the lens barrel is provided with a coupling protrusion, and the other thereof is provided with a coupling groove into which the coupling protrusion is inserted, the lens holder is provided with a support portion that supports one end portion of the lens barrel, wherein the one end portion of the lens barrel is disposed between the coupling protrusion and the support portion, and the support portion of the lens holder elastically supports the lens barrel in an optical axis direction.

Abstract: A lens module is provided. The lens module includes a plurality of lenses disposed along an optical axis, a lens barrel configured to accommodate the plurality of lenses, and a fixing member configured to fix at least one of the plurality of lenses to the lens barrel. The lens barrel includes a through-hole which accommodates a portion of the fixing member, a first end of the fixing member protrudes outwardly of the through-hole, and a diameter of the first end of the fixing member is greater than a diameter of the through-hole.