Abstract: Embodiments of the present invention provide a printed circuit board, which includes an electromagnetic bandgap structure disposed around an antenna, so as to prevent noise from being transmitted to the antenna. The printed circuit board includes an antenna, a circuit chip, a plurality of metal layers and a plurality of dielectric layers, a pair of transmission lines for transmitting a signal to the antenna, and an electromagnetic bandgap structure disposed between the antenna and the circuit chip and for preventing an electromagnetic wave from being transmitted from the circuit chip to the antenna.

Abstract: Disclosed is a printed circuit board, which includes an electromagnetic bandgap structure disposed around an antenna so as to prevent noise from being transmitted to the antenna. The printed circuit board includes an antenna, a circuit chip, a plurality of metal layers and a plurality of dielectric layers, a pair of transmission lines for transmitting a signal to the antenna, and an electromagnetic bandgap structure disposed between the antenna and the circuit chip and for preventing an electromagnetic wave from being transmitted from the circuit chip to the antenna.

Abstract: A volumetric braking device includes: a brake disk having an outer surface where a plurality of disk vanes are formed with a predetermined spacing therebetween; a cylinder case where the brake disk is arranged, and the internal space of a cylinder is sectioned into a plurality of spaces by the disk vanes; a piston-drive unit, which has a piston roller sliding on the brake disk, and where the compressed pressure resistance generated between the piston roller and any one disk vane and vacuum pressure resistance generated between the piston roller and another disk vane operate as a braking load for the brake disk to perform decelerating and braking operations; a drive motor, which receives an electrical signal from an ECU by a program to operate in a forward or reverse direction; and a drive unit operating module for operating the piston-drive unit by operating the drive motor.

Abstract: Disclosed is a method of manufacturing a golf ball having a multilayer structure. The method uses a forming apparatus including an upper mold, a lower mold, and an intermediate mold. The upper mold and the lower mold include a plurality of hemispheric cavities, respectively. The intermediate mold includes a plurality of protrusions having smaller diameters than those of the cavities, on a top and a bottom to correspond to the cavities.

Abstract: A lens barrel and a photographing apparatus comprising the lens barrel include: a lens module that comprises at least one lens and moves along an optical axis of the at least one lens; a shake correction module arranged near the lens module; at least one fixing member that is disposed between the lens module and the shake correction module and fixes the shake correction module in response to being pressed by the lens module; a frame on which the at least one fixing member is installed; and at least one elastic member that elastically mounts the at least one fixing member on the frame.

Abstract: The present invention relates to a separating type backpack, which includes an upper side backpack including a shoulder strap; a lower side backpack including a belt member coupled to the upper side backpack which can be attached to or detached from the belt member; and a first sliding device which is used for coupling the lower side backpack to be slidably moved according to the belt member.

Abstract: An optical device includes an optical element through which light is transmitted, a frame that supports the optical element, magnets in the frame around the optical element, a base unit that movably supports the frame, a cover unit to cover the magnets, and magnetic force generating units in the cover unit in positions corresponding to the magnets and that generate magnetic force when an electrical signal is applied.

Abstract: A light amount adjusting apparatus includes: a two-dimensional (2D) aperture assembly that adjusts an opening area of a via hole through which light is transmitted; a three-dimensional (3D) aperture plate that forms a first opening and a second opening by blocking a part of the via hole, or moving to outside of the via hole to open the via hole; a first shielding plate that is movable to open or close the first opening; and a second shielding plate that is movable so as to close the second opening when the first shielding plate opens the first opening and to open the second opening when the first shielding plate closes the first opening.

Abstract: A 3D semiconductor memory device including a plurality of memory cell strings, includes a substrate and a channel that extends from the substrate. Memory cells may be disposed in layers in which the diameter of the channel varies. A programming verification operation may be carried out in a sequence whereby memory cells more likely to fail in programming are verified before attempting to verify memory cells that are less likely to fail programming. In an exemplary embodiment, the verification operation is performed on a memory cell disposed in a layer associated with a larger-diameter channel before performing the verification on a memory cell disposed in a layer associated with a smaller-diameter channel. In an exemplary embodiment, if a verification process detects a programming failure, the verification of subsequent memory cells is cancelled.

Abstract: Position sensor assemblies having compact structures and capable of precisely sensing a position change, and optical devices including the same are disclosed. A position sensor assembly is provided that includes: a sensing unit that outputs a signal varying as a magnetic force varies; and a magnet spaced apart from the sensing unit and i movably disposed with respect to the sensing unit, and comprising protrusion units of opposite polarities that protrude from each end portion of the magnet in one surface of the magnet toward the sensing unit.

Abstract: A lateral flow atomic layer deposition device according to an exemplary embodiment of the present invention eliminates a gas flow control plate in a conventional lateral flow atomic layer deposition device and controls shapes of a gas input part and a gas output part in a reactor cover to make a gas flow path to a center of a substrate shorter than a gas flow path to an edge of the substrate and thereby increase the amount of gas per unit area flowing to the center of the substrate. Therefore, film thickness in the center of the substrate in the lateral flow reactor increases.

Abstract: According to example embodiments, a read method of a nonvolatile memory device includes Disclosed is a read method of a nonvolatile memory device which includes selecting one of a plurality of vertical strings in a nonvolatile memory device, judging a channel length between a common source line and a selected one of the plurality of vertical strings, selecting a sensing manner corresponding to the judged channel length, and performing a sensing operation according to the selected sensing manner. The plurality of vertical strings may extend in a direction perpendicular to a substrate of the nonvolatile memory device.

Abstract: Embodiments of an ultrasound system for detecting a posture of a user and providing an optimal ultrasound image for the posture of the user are disclosed. The ultrasound system includes a display unit including a sensing unit installed in one side of a monitor. The sensing unit detects a position of a user, a distance between the user and the monitor, a height of the user with respect to the monitor and a viewing angle of the user toward the monitor to thereby form and output sensing signals corresponding thereto. The ultrasound system further includes a processing unit coupled to the sensing unit. The processing unit forms the ultrasound image by using ultrasound data and performs optimal image processing for the posture of the user upon the ultrasound image based on the sensing signals.

Abstract: A varistor comprises a main body having first and second external terminals formed on the outer surface thereof, a first withdrawn terminal plate joined to the first external terminal, and a second withdrawn terminal plate joined to the second external terminal, wherein the melting point of a second bonding material for allowing the second withdrawn terminal plate and the second external terminal to be joined to each other is lower than that of a first bonding material for allowing the first withdrawn terminal plate and the first external terminal to be joined to each other.

Abstract: An optical device includes an optical element through which light is transmitted, a frame that supports the optical element, magnets in the frame around the optical element, a base unit that movably supports the frame, a cover unit to cover the magnets, and magnetic force generating units in the cover unit in positions corresponding to the magnets and that generate magnetic force when an electrical signal is applied.

Abstract: A lens barrel and a photographing apparatus comprising the lens barrel include: a lens module that comprises at least one lens and moves along an optical axis of the at least one lens; a shake correction module arranged near the lens module; at least one fixing member that is disposed between the lens module and the shake correction module and fixes the shake correction module in response to being pressed by the lens module; a frame on which the at least one fixing member is installed; and at least one elastic member that elastically mounts the at least one fixing member on the frame.

Abstract: The present invention provides a balance circuit including: a first balance trans having a primary coil and a secondary coil, the primary coil being connected to an output terminal of a first lamp, and the secondary coil being connected to an output terminal of a second lamp and having a current controlled by the primary coil; and a second balance trans having a primary coil and a secondary coil, the primary coil being connected to an output terminal of a third lamp, and the secondary coil being connected to an output terminal of a fourth lamp and having a current controlled by the primary coil connected to the output terminal of the third lamp, wherein the secondary coil of the first balance trans is connected to the primary coil of the second balance trans, and an inverter circuit including the same.

Abstract: A deposition apparatus according to an exemplary embodiment of the present invention is a lateral-flow deposition apparatus in which in which a process gas flows between a surface where a substrate is disposed and the opposite surface, substantially in parallel with the substrate. The lateral-flow deposition apparatus includes: a substrate support that moves up/down and rotates the substrate while supporting the substrate; a reactor cover that defines a reaction chamber by contacting the substrate support; and a substrate support lifter and a substrate support rotator that move the substrate support.

Abstract: Provided is a digital photographing apparatus and method of obtaining data of a clear image even though the digital photographing apparatus shakes. The digital photographing apparatus includes: a lens; an imaging device generating data from light incident through the lens; an imaging device base on which the imaging device is disposed; a light diode integrated circuit disposed on the imaging device base; and an imaging device base actuator moving the imaging device base and controlling a position of the imaging device. The method comprises generating data from light incident through a lens; detecting a direction of shake of the digital photographing apparatus according to a difference in the amount of light detected in each of four regions of the surface of a light diode integrated circuit; and changing a position of the imaging device in the opposite direction to the detected direction of the shake.

Abstract: Disclosed is a printed circuit board, which includes an electromagnetic bandgap structure disposed around an antenna so as to prevent noise from being transmitted to the antenna. The printed circuit board includes an antenna, a circuit chip, a plurality of metal layers and a plurality of dielectric layers, a pair of transmission lines for transmitting a signal to the antenna, and an electromagnetic bandgap structure disposed between the antenna and the circuit chip and for preventing an electromagnetic wave from being transmitted from the circuit chip to the antenna.