Abstract: A semiconductor device includes first lower nanosheets; an upper isolation layer on the first lower nanosheets; first upper nanosheets on the upper isolation layer; a first upper source/drain region on the first upper nanosheets; a second upper source/drain region on the first upper nanosheets; a first gate electrode surrounding the first lower nanosheets, the upper isolation layer, and the first upper nanosheets; a first gate cut on a side of the first gate electrode and extending from a lower surface of the first gate electrode to an upper surface of the first gate electrode; a first through via inside the first gate cut and insulated from the first gate electrode; a first upper source/drain contact on and electrically connected to the first upper source/drain region; and a second upper source/drain contact on the first upper source/drain region and electrically connecting the second upper source/drain region with the first through via.

Abstract: The present disclosure relates to a hydrometallurgical recovery method for nickel sulfate. More specifically, the present disclosure relates to a hydrometallurgical nickel sulfate recovery method in which a wet smelting process is used to extract a high-purity nickel sulfate aqueous solution from a raw material containing nickel (Ni), cobalt (Co), and manganese (Mn). In the method, sodium hydroxide or sodium carbonate is not used as a neutralizer but nickel hydroxide is used, which prevents salts of impurities from being generated as a precipitate in a solvent extraction process, thereby increasing process efficiency of the solvent extraction process.

Abstract: An antenna package according to an embodiment of the present disclosure includes a first antenna device including a first antenna unit, a first circuit board electrically connected to the first antenna unit, a second circuit board electrically connected to the first circuit board, a second antenna unit integrated with the second circuit board, and an antenna driving integrated circuit chip mounted on the second circuit board and electrically connected to the first antenna unit and the second antenna unit. Multi-axial radiation is implemented using the antenna package with high efficiency and reliability.

Abstract: The present invention provides a multilayer circuit board and a method for manufacturing the same for improving a bowing problem that occurs when manufacturing the multilayer circuit board. A multilayer circuit board according to the present invention is a board having a patterned layer that functions as a circuit a base layer, and includes: a second pattern layer formed on one side of the base layer; a first pattern layer formed on the second pattern layer; and an interlayer insulating layer formed between the first pattern layer and the second pattern layer, the interlayer insulating layer being partially formed on the second pattern layer so as to correspond to a region where the first pattern layer is formed.

Abstract: A semiconductor device includes an on-die resistor circuit comprising an on-die resistor, a calibration circuit configured to perform a calibration operation on the on-die resistor, and a calibration control circuit configured to control the calibration operation of the calibration circuit. The calibration circuit includes a current generating circuit configured to supply a calibration current to the on-die resistor and a comparing circuit configured to compare the magnitude of a first input signal that is generated by the calibration current and the on-die resistor with a magnitude of a second input signal that is generated by the calibration current and an external resistor.

Abstract: A radio frequency (RF) weak magnetic field detection sensor includes a ferromagnetic core, a pickup coil disposed to surround the ferromagnetic core, a substrate that includes an opening, a core pad connected to the ferromagnetic core and a coil pad connected to the pickup coil, and an insulating tube interposed between the ferromagnetic core and the pickup coil. The insulating tube includes a bobbin around which the pickup coil is wound, and a core hole formed to pass through the bobbin and configured to accommodate the ferromagnetic core.

Abstract: The present application provides a method for manufacturing a metal alloy foam. The present application can provide a method for manufacturing a metal alloy foam, which is capable of forming a metal alloy foam comprising uniformly formed pores and having excellent mechanical properties as well as the desired porosity, and a metal alloy foam having the above characteristics. In addition, the present application can provide a method capable of forming a metal alloy foam in which the above-mentioned physical properties are ensured, while being in the form of a thin film or sheet, within a fast process time, and such a metal alloy foam.

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 semiconductor device and a semiconductor device produced thereby. For example and without limitation, various aspects of this disclosure provide a method for manufacturing a semiconductor device, and a semiconductor device produced thereby, that comprises an interposer without through silicon vias.

Abstract: The present invention provides a pharmaceutical composition for prevention or treatment of a stress disease and depression, the pharmaceutical composition be safely useable without toxicity and side effects by using an extract of leaves of Vaccinium bracteatum Thunb., which is natural resource of Korea, so that the reduction of manufacturing and production costs and the import substitution and export effects can be expected through the replacement of a raw material for preparation with a plant inhabiting in nature.

Abstract: A gripper includes a body part, a finger base part coupled to the body part, and a finger part coupled to a first side of the body part or the finger base part and coupled to the body part or the finger base part to be reciprocal, wherein the finger part comprises a first link structure and a second link structure, sides of which are coupled to the finger base part, respectively, and wherein, in the first link structure and the second link structure, a first support area of the first link structure and a second support area of the second link structure reciprocate in only one of a plurality of directions that cross a direction in which the finger part reciprocates with respect to the finger base part.

Abstract: The present invention relates to a culture device and culture method for culturing a 3D cell aggregation and, specifically, to an overall technique for effectively culturing a 3D cell aggregation by using a culture device including a porous microwell, a membrane, and other additive components.

Abstract: A solvent extraction method for separation and recovery of nickel, cobalt, manganese, and zinc is proposed. More particularly, the present method relates to a solvent extraction method for separation and recovery of nickel, cobalt, manganese, and zinc, the method being capable of separately recovering four kinds of valuable metals as respective monotype metals from a starting material containing nickel, cobalt, manganese, and zinc by involving: a first solvent extraction step in which the starting material is separated into a first aqueous phase solution containing nickel and cobalt and a second aqueous phase solution containing nickel, cobalt, manganese, and zinc; a second solvent extraction step in which nickel (Ni) and cobalt (Co) are separated and recovered; a third solvent extraction in which zinc (Zn) is recovered; and a fourth solvent extraction step in which manganese (Mn) and cobalt (Co) are separated and recovered.

Abstract: A user terminal device and a controlling method thereof are provided. The user terminal device includes a display configured to be divided into a first area and a second area which is larger than the first area with reference to a folding line, a cover disposed on a rear side of the display, a detector configured to detect a user interaction on the display and the cover, and a controller configured to, in response to the display being folded along the folding line such that the first area and the second area face each other, control the detector to detect a user interaction through an exposure area, which is an exposed part of the second area, and the cover, and, in response to the display being folded such that the two parts of the cover face with each other with reference to the folding line, control the detector to detect a user interaction through the first area and the second area.

Abstract: Provided is a device for relieving headache and pain caused by temporomandibular joint disorders may include: a body having a neck band surroundingly worn on a user's neck, first connectors extending forwardly from both ends of the neck band by first set lengths, and second connectors extending upwardly from front ends of the first connectors by second set lengths; first low frequency electrostimulators disposed on the second connectors and coming into close contact with the temporalis muscles, when the body is worn on the user's head, to apply low frequencies to the temporalis muscles; and second low frequency electrostimulators disposed on the connected portions between the first connectors and the second connectors and coming into close contact with the masseter muscles, when the body is worn on the user's head, to apply low frequencies to the masseter muscles.

Abstract: A stator for an AFPM motor and a method of manufacturing the stator are disclosed. The stator includes a stator housing having radially extending blades, a stacked core, and a winding core wound along an outer circumferential surface of the stacked core. The stacked core is coupled to the plurality of blades. The stator has an outer housing coupled to an outer circumferential surface of the stator housing to seal an inner space of the stator housing and has outer ring covers coupled to opposite side surfaces of the stator housing, respectively.

Abstract: A gripper includes a body part, a finger base part coupled to the body part to be rotatable, the finger base part including a first finger base part and a second finger base part configured such that when the first finger base part is rotated in a first direction with respect to the body part, the second finger base part is provided to be rotatable in a second direction opposite the first direction with respect to the body part, and a finger part coupled to a first side of the body part or the finger base part to be reciprocal.

Abstract: The present invention relates to a polyester resin. The polyester resin is useful for bottles, sheets, multilayer sheets, stretched films and fiber applications due to excellent heat resistance and transparency, and in particular, the polyester resin has little deterioration of physical properties such as yellowing, etc., during processing. A process for making the polyester resin includes an esterification reaction between a dicarboxylic acid that includes terephthalic acid and a diol that includes isosorbide in the presence of a catalyst, followed by a polycondensation reaction on a product of the esterification reaction. In some embodiments, an initial mixing ratio of the dicarboxylic acid and the diol is between 1:1.02 and 1:1.04.

Abstract: A display device includes a pixel. The pixel is electrically connected to a first power line, a second power line, and a data line. The pixel includes a first transistor, and a capacitor electrically connected between a gate electrode of the first transistor and an electrode of the first transistor. In a plan view, the data line extends in a second direction. The first power line extends in a first direction intersecting the second direction and overlaps the data line and the gate electrode of the first transistor. The second power line extends in the second direction, overlaps the data line, and overlaps the gate electrode of the first transistor.