Abstract: An embodiment multi-way coolant valve includes an outer housing including first to third outer inlets, first to third outer outlets, and a pump mount portion coupled to one of the outer outlets, an inner housing rotatably provided within the outer housing and including penetration holes corresponding to the outer inlets and outlets, a coolant line defined by a selective connection of the penetration holes such that the outer inlets and outlets are selectively connected, pads interposed between an interior circumference of the outer housing and an exterior circumference of the inner housing at locations of the outer inlets and outlets, respectively, and a driving device connected to a rotation center of the inner housing to selectively rotate the inner housing within the outer housing, wherein the inner housing is configured to rotate by a preset interval according to a selected vehicle mode.

Abstract: A semiconductor memory device includes a third insulating pattern and a first insulating pattern on a substrate, the third insulating pattern and the first insulating pattern being spaced apart from each other in a first direction that is perpendicular to the substrate such that a bottom surface of the third insulating pattern and a top surface of the first insulating pattern face each other, a gate electrode between the bottom surface of the third insulating pattern and the top surface of the first insulating pattern, and including a first side extending between the bottom surface of the third insulating pattern and the top surface of the first insulating pattern, and a second insulating pattern that protrudes from the first side of the gate electrode by a second width in a second direction, the second direction being different from the first direction.

Abstract: Disclosed is a motor driving apparatus including: a motor; an inverter including a switching element for driving the motor; a controller for controlling the switching element; a resolver including an excitation winding and a detection winding; and a resolver chip applying an excitation signal to the excitation winding by inputting a periodic signal from the controller, and receiving a feedback signal from the detection winding, wherein the resolver chip determines the number of rotations of the motor based on a change in a pulse width of a detection signal resulting from a comparison between a voltage of the feedback signal and a preset voltage, and output a signal to the inverter for setting an inertial driving control mode according to the number of rotations of the motor in a failure state of the controller.

Abstract: A multilayer capacitor includes a body including a plurality of dielectric layers and a plurality of internal electrodes stacked in a first direction, and external electrodes, wherein the body includes an active portion, a side margin portion covering at least one of a first surface and a second surface of the active portion opposing each other in a second direction, and a cover portion covering the active portion in the first direction, respective dielectric layers among the plurality of dielectric layers include a barium titanate-based composition, the dielectric layer of the side margin portion includes Sn, and a content of Sn in the dielectric layer of the side margin portion is different from that of Sn in the dielectric layer of the active portion, and the dielectric layer of the side margin portion includes at least some grains having a core-shell structure.

Abstract: The present invention relates to a method and system for providing language learning services. The method of providing language learning services, according to the present invention, the method may include: activating, in response to receiving an input for acquiring a learning target image through a user terminal, a camera of the user terminal; specifying at least a portion of an image taken by the camera as the learning target image; receiving language learning information for the learning target image from a server; providing the language learning information to the user terminal; and storing, based on a request for storing of the language learning information, the language learning information in association with the learning target image, such that the learning target image is used in conjunction with learning of the language learning information.

Abstract: The present disclosure relates to an organic electroluminescent compound, a plurality of host materials, and an organic electroluminescent device comprising the same. By comprising the compound according to the present disclosure or by comprising a specific combination of compounds according to the present disclosure as a plurality of host materials, it is possible to produce an organic electroluminescent device having improved driving voltage, luminous efficiency, and/or lifetime properties compared to the conventional organic electroluminescent devices.

Abstract: A method for manufacturing a structure for microbe detection comprises the steps of: reacting nitrilotriacetic acid (NTA) and an acid anhydride to prepare a first compound; chelation of metal ions to the first compound to prepare a second compound; binding the second compound and a microbe detector to prepare a third compound; and mixing an exfoliated transition metal-dichalcogenide (TMD) compound and the third compound to prepare a structure for microbe detection, in which the metal ions of the third compound are bound with the transition metal-dichalcogenide compound.

Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. By comprising the compound according to the present disclosure, an organic electroluminescent device having improved driving voltage, power efficiency and/or lifetime characteristics compared to conventional organic electroluminescent devices can be provided.

Abstract: The inventive concept provides a substrate treating method. The substrate treating method includes supplying a dissolving solution onto a rotating substrate; and supplying, after the supplying a dissolution solution, a treating liquid including a polymer onto the rotating substrate to form a liquid film.

Abstract: The present disclosure relates to an ultraviolet light-blocking composition containing a centipede grass extract and a cosmetic composition and, more specifically, to an ultraviolet light-blocking composition comprising a centipede grass (Eremochloa ophiuroides) leaf extract as an active ingredient; and a cosmetic composition containing the ultraviolet light-blocking composition.

Abstract: A method of manufacturing a semiconductor device may comprise loading a first substrate and a second substrate into a substrate processing apparatus, wherein the first substrate is loaded into a first chamber and the second substrate is loaded into a second chamber on the first chamber, and processing the loaded first substrate and the loaded second substrate, wherein the substrate processing apparatus comprises, the first and second chambers, a first pipe through which a first processing solution supplied to the first chamber to process the first substrate is moved, a second pipe through which a second processing solution supplied to the second chamber to process the second substrate is moved, and a temperature adjusting pipe configured to surround at least a part of the first pipe, through which the temperature adjusting solution adjusting a temperature of the first processing solution is moved, wherein a length of the first pipe is shorter than a length of the second pipe.

Abstract: Disclosed is an apparatus for excitation signal generation for a resolver. The apparatus includes a sine wave generator that generates a sine wave based on a square wave, an amplifier that amplifies the sine wave, a differential signal generator that converts, into a differential signal, the amplified sine wave, a driver that inputs the differential signal to a coil, and a processor that generates an excitation signal by increasing a voltage of the sine wave from a start voltage to a target voltage through at least one of the sine wave generator and the amplifier based on a transient current that flows into the coil in a transient response interval.

Abstract: An aluminum nitride sintered body contains 1 to 5% by weight of yttrium oxide (Y2O3), 10 to 100 ppm by weight of titanium (Ti), and the balance being aluminum nitride (AlN). Accordingly, a volume resistance value and thermal conductivity at a high temperature are improved, and the generation of impurities during a semiconductor manufacturing process can be suppressed.

Abstract: An aluminum nitride sintered body contains 1 to 5% by weight of yttrium oxide (Y2O3), 10 to 100 ppm by weight of titanium (Ti), and the balance being aluminum nitride (AlN). Accordingly, a volume resistance value and thermal conductivity at a high temperature are improved, and the generation of impurities during a semiconductor manufacturing process can be suppressed.

Abstract: An aluminum nitride sintered body contains 1 to 5% by weight of yttrium oxide (Y2O3), 10 to 100 ppm by weight of titanium (Ti), and the balance being aluminum nitride (AlN). Accordingly, a volume resistance value and thermal conductivity at a high temperature are improved, and the generation of impurities during a semiconductor manufacturing process can be suppressed.

Abstract: The present invention relates to a nucleic acid extracting apparatus, and the nucleic acid extracting apparatus can include a pipe-shaped tube having an open outlet at one side thereof, and a hydrogel column that is provided inside the tube and filters impurities excluding an extraction target material.

Abstract: The present invention relates to a nucleic acid extracting apparatus, and the nucleic acid extracting apparatus can include a pipe-shaped tube having an open outlet at one side thereof, and a hydrogel column that is provided inside the tube and filters impurities excluding an extraction target material.