Abstract: Provided is a microfluidic device including a lower panel including flow velocity measuring structures for measuring a flow velocity of a fluid; an upper panel separated from the lower panel and including a microfluidic channel through which a sample passes; a thin film provided at a portion where the lower panel and the upper panel adjoin each other in order to prevent the sample passing through the microfluidic channel from coming into direct contact with the flow velocity measuring structures, the thin film being configured to separate the lower panel and the upper panel to enable the lower panel to be repeatedly used multiple times; a specific functional unit configured to perform a specific operation on the sample passing through the microfluidic channel; and a negative pressure forming means configured to suck the lower panel and the upper panel with a negative pressure.

Abstract: The present invention provides an apparatus for removing particles using symmetrical gas injection, the apparatus comprising: a casing having an inner space; a gas injection part in which a plurality of gas nozzles are formed on one side of the casing, the plurality of gas nozzles are disposed symmetrically and away from an object, and particles on the surface of the object are removed by means of injecting gas on the object; and a recovery part which has a recovery pipe inserted therein and connected to the other side of the casing and is for recovering, via the recovery pipe, the particles which have been removed from the object. According to the present invention, the gas nozzles inject in symmetrical directions and thus diffusion of particles removed from the surface of the object is prevented, the object is not contaminated, and the particles can accurately be recovered, detected and counted.

Abstract: A semiconductor memory device includes a substrate having a second region extending in a first direction; a memory block including electrodes; a slit dividing the memory block into first and second electrode structures in the second region; and step-shaped grooves formed in the memory block in the second region, and divided by the slit. In the second region, the first and second electrode structures are adjacently disposed with the slit interposed therebetween, in a second direction intersecting with the first direction. Each of the electrodes of the first electrode structure has a first pad region, each of the electrodes of the second electrode structure has a second pad region, and first and second pad regions of the first and second electrode structures which are positioned in the same step-shaped groove and are disposed at the same layers are adjacently disposed in the second direction with the slit interposed therebetween.

Abstract: A three-dimensional memory device includes an electrode structure including a plurality of interlayer dielectric layers and a plurality of electrode layers which are alternately stacked on a first substrate, each of the plurality of electrode layers having a pad part which does not overlap with another electrode layer positioned on the electrode layer; a pass transistor positioned below the first substrate; and a first contact passing through the electrode structure from the pad part of one of the plurality of electrode layers, and coupling the pad part and the pass transistor.

Abstract: A powertrain for an electric vehicle includes: a planetary gear including a first rotating element, a second rotating element, and a third rotating element, where the first rotating element is connected to a first shaft, the second rotating element is connected to a second shaft, and the third rotating element is connected to a third shaft; a first motor selectively supplying power to the first shaft at two or more gear ratios; and a second motor selectively supplying power to the first shaft and the second shaft. The third shaft is fixedly disposed on a transmission housing, and any two shafts among the first, second and third shafts restrain each other.

Abstract: An artificial bladder is provided, including: a main body which includes an inlet port, an outlet port, an inner wall that forms a first reservoir portion configured to store urine between the inlet port and the outlet port and that is expandable and contractible. An outer wall forms a second reservoir portion configured to surround at least a partial region of the inner wall. A sensor is attached to the inner wall, has a surface having a wrinkled structure, and is provided so that, when the volume of the first reservoir portion increases, the wrinkled structure stretches out and resistance of the sensor changes. A control unit is provided to discharge the urine in the first reservoir portion through the outlet port according to a result detected by the sensor.

Abstract: A power train apparatus for an electric vehicle may include a planetary gear set including three rotation elements having a first rotation element, a second rotation element and a third rotation element, wherein the first rotation element is fixedly connected to a first shaft and the second rotation element is fixedly connected to a second shaft; a motor; a first transmission device mounted to selectively transfer power of the motor to the first shaft in a plurality of gear ratios; and a second transmission device provided to selectively transfer the power of the motor to the first shaft or the second shaft.

Abstract: A ground structure of a driving motor applied to an eco-friendly vehicle includes a rotation shaft rotatably supported by a bearing, a motor housing enveloping the bearing and the rotation shaft, a ground structure disposed in a direction in which the rotation shaft extends, and a cover having the ground structure installed therein and connected to the motor housing. In particular, the ground structure contacts the rotation shaft through a ground unit, thereby grounding the rotation shaft.

Abstract: An oil temperature increasing system and method for an eco-friendly vehicle includes: an oil-temperature detector configured to detect a temperature of oil flowing to a motor and a transmission by an electric oil pump; and a controller configured to receive a detection signal of the oil-temperature detector, and apply a current for increasing temperature to the motor when the oil temperature is less than a predetermined reference temperature. A temperature of the motor is increased by the current applied to the motor, such that the oil temperature is increased by heat of the motor.

Abstract: One embodiment relates to a cover assembly and a motor including the same, the cover assembly comprising: a cover body; and a plurality of grooves formed on the upper surface of the cover body so as to guide coils, wherein a hole is formed at one side of the groove so as to penetrate the cover body. Therefore, the motor guides the coils to the outside by using the hole formed in the cover assembly such that assemblability is improved.

Abstract: A blocking device and method for mounting a leap block to a lens by a lifting/lowering mechanism using a magnet and a wire is described comprising a blocking device housing having a guide; a movable leap block attachment part mounted on the guide of the housing; a spring having a lower end supporting the attachment part and an upper end supporting the blocking device housing, the spring pushing the attachment part downward, so that the attachment part protrudes below the lower end of the blocking device housing; a wire having one end connected to a pulley and the other end connected to the attachment part, so the wire pulling the attachment part upward when the pulley rotates; a leap block attached to the lower end of the attachment part by magnets; and a blocking arm coupled to the housing and to move the housing up and down.

Abstract: An exemplary differential apparatus for a vehicle includes: a compound planetary gear set and a planet carrier. In particular, the compound planetary gear set is formed as a combination of first and second planetary gear sets, the first planetary gear set is formed as a single pinion planetary gear set having a first sun gear and a plurality of first pinion gears, and the second planetary gear set is formed as a double pinion planetary gear having a second sun gear disposed coaxially and in parallel with the first sun gear, the plurality of first pinion gears shared with the first planetary gear set, and a plurality of second pinion gears. The planet carrier has an exterior circumference connected to an external gear and is connected to first and second pinion shafts that rotatably support the first and second pinion gears of the second planetary gear set.

Abstract: A planetary gear set may include a first rotation element fixedly connected to a first shaft, a second rotation element fixedly connected to a second shaft, and a third rotation element fixedly connected to a third shaft; a first motor which is mounted to supply power to the first shaft continuously; and a second motor which is mounted to supply power to the second shaft continuously, and the third shaft is connected to be selectively connectable to a transmission housing, and any two shafts of the first shaft, the second shaft, and the third shaft are configured to constrain rotations thereof to each other.

Abstract: Provided is an apparatus for tightening wire, comprising: a housing (10); a spool (20) mounted to the housing to wind a wire; a winder (30) that engages with the spool to wind the wire or disengages from the same to unwind the wire; a ratchet (40) that allows axial rotation in one direction in which the wire is tightened; a spiral cam (50) where the winder and the ratchet are mounted; and a dial (60) mounted to the spiral cam to axially rotate the winder. The apparatus provides an engagement and disengagement structure that allows the spool and the winder to engage or disengage, so that, by forward and backward rotations, only the wire is wound when the spool and the winder engage and the wire is unwound when the spool and the winder disengage, thereby allowing the winding and unwinding of the wire by simple forward and backward rotating operation.

Abstract: The present invention may provide a motor including a housing, a cover which covers the housing, a stator disposed inside the housing, a rotor disposed inside the stator, a rotary shaft coupled to the rotor, a bearing disposed on the cover, and a nut which is coupled to the cover and which is in contact with an outer ring of the bearing, wherein the cover incudes a first pocket accommodating the bearing and a second pocket which is disposed above the first pocket and to which the nut is rotation-coupled, the nut includes a body disposed to be lower than an upper surface of the cover and including a screw thread and an extension portion disposed to be higher than the upper surface of the cover, the body incudes a protrusion protruding outward from the screw thread, and the second pocket includes a first groove in which the protrusion is positioned.

Abstract: A semiconductor device having a three-dimensional (3D) structure is disclosed. The semiconductor device includes a first substrate layer including a logic circuit, and a plurality of second substrate layers stacked on the first substrate layer, the plurality of second substrate layers including a memory cell array. Each of the plurality of second substrate layers includes, a transfer circuit, coupled to a row line of the memory cell array, that is disposed over the second substrate layer and selectively coupled to a global row line.

Abstract: A display apparatus includes a processor configured to receive device information of a portable device, which includes first information about a wireless connection between the portable device and an access point and second information about whether the portable device supports a real simultaneous dual band (RSDB), acquire device information of the display apparatus, which includes third information about a wireless connection between the display apparatus and the access point and fourth information about whether the display apparatus supports the RSDB, determine a peer-to-peer (P2P) operating channel between the display apparatus and the portable device based on the device information of the display apparatus and the device information of the portable device, and control the display apparatus to connect the display apparatus to the portable device through the determined P2P operating channel.

Abstract: A method for testing an IT system automatically, when it comes to testing based on real transaction data including: (a) obtaining a transaction message by capturing a network packet transmitted and received between a user system and a transaction processing system; (b) transmitting a request data included in the transaction message to the system under test; (c) receiving a response data from the system under test; and (d) comparing the response data received from the system under test and a response data included in the transaction message and determining success or failure, is provided.

Abstract: A power train for an electric vehicle may include a planetary gear set including three rotation elements having a first rotation element, a second rotation element and a third rotation element, wherein the first rotation element is connected to a first shaft, the second rotation element is connected to a second shaft, and the third rotation element is connected to a third shaft; a first motor mounted to selectively supply power to the first shaft in two or more gear ratios; and a second motor mounted to selectively supply power to the first shaft in two or more gear ratios. The third shaft is configured to be fixed to a transmission housing, and any two of the first shaft, the second shaft, and the third shaft are configured to be coupled to each other.

Abstract: An apparatus and a method for controlling driving of a vehicle may include a first sensor that detects whether an accelerator pedal is pressed, a second sensor that detects a number of RPM of an engine, and a controller that determines whether the vehicle coasts based on whether the accelerator pedal is pressed, and determines whether to change a gear ratio of a transmission based on the number of RPM of the engine so that the coasting distance is increased in the coasting deceleration section, improving the fuel efficiency.