Abstract: A power semiconductor device includes a semiconductor layer of silicon carbide (SiC), at least one trench that extends in one direction, a gate insulating layer disposed on at least an inner wall of the at least one trench, at least one gate electrode layer disposed on the gate insulating layer, a drift region disposed in the semiconductor layer at least on one side of the at least one gate electrode layer, a well region disposed in the semiconductor layer to be deeper than the at least one gate electrode layer, a source region disposed in the well region, and at least one channel region disposed in the semiconductor layer of one side of the at least one gate electrode layer between the drift region and the source region.

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, it is possible to produce an organic electroluminescent device having improved driving voltage, power efficiency, and/or lifetime properties compared to the conventional organic electroluminescent devices.

Abstract: A coil component includes a body having one surface, and one end surface and the other end surface, respectively connected to the one surface and opposing each other, a support substrate embedded in the body, and a coil portion disposed on the support substrate and including first and second lead-out patterns respectively exposed from surfaces of the body. The first lead-out pattern is exposed from the one surface of the body and the one end surface of the body. The second lead-out pattern is exposed from the one surface of the body and the other end surface of the body. The body includes an anchor portion disposed in each of the first and second lead-out patterns.

Abstract: A semiconductor device capable of improving a device performance and a reliability is provided. The semiconductor device comprising a gate structure including a gate electrode on a substrate, a source/drain pattern on a side face of the gate electrode, on the substrate and, a source/drain contact connected to the source/drain pattern, on the source/drain pattern, a gate contact connected to the gate electrode, on the gate electrode, and a wiring structure connected to the source/drain contact and the gate contact, on the source/drain contact and the gate contact, wherein the wiring structure includes a first via plug, a second via plug, and a wiring line connected to the first via plug and the second via plug, the first via plug has a single conductive film structure, and the second via plug includes a lower via filling film, and an upper via filling film on the lower via filling film.

Abstract: A solenoid valve for a high-pressure container of the present invention comprises: a body portion; a valve seat which is installed on the lower portion of the body portion and has a discharge port through which a raw material gas is discharged; a coil to which electric power is applied; a core installed on the inner surface of the body portion; a lower plunger; an upper plunger; an operating rod arranged in the upper plunger; a spring arranged between the core and the operating rod; and a ball member of a spherical shape which is in contact with the lower surface of the operating rod and is seated on a seating portion formed on the lower side of the upper plunger to open/close an orifice. Thus, the hermetic state can be maintained at low pressure, and leakage in the low-pressure state can be prevented.

Abstract: A battery cell manufacturing apparatus includes rework automation equipment. The rework automation equipment is configured for measuring the quantity of reworked battery cells while automatically performing rework. The rework automation equipment is configured to automatically rework battery cells determined to be defective. A process for counting a quantity of reworked batteries uses the rework automation equipment.

Abstract: An electrode assembly and a method for manufacturing the electrode assembly comprises a plurality of unit cells comprising a positive electrode, a negative electrode, and a separator, respectively, and a separation film folded to be disposed between the plurality of unit cells. The separation film is folded two times or more to come into contact with and surround a first unit cell, which is disposed at an initial position of the separation film, of the plurality of unit cells.

Abstract: Provided is a device for manufacturing an electrode assembly including: a lower air blowing unit for spraying air onto an end part of a separator sheet so that the end part of the cut separator sheet can be bent in an upward direction from the ground during a first winding; and an upper air blowing unit for spraying air onto the end part of the separator sheet so that the end part of the separator sheet can be bent in a downward direction toward the ground of a first unit cell while the first unit cell is firstly wound, thereby preventing a hyphen-shaped fold of the separator sheet during a manufacturing process of an electrode assembly and minimizing defects due to low voltage issues caused by contact between electrodes.

Abstract: Provided is a device for manufacturing an electrode assembly including: a lower air blowing unit for spraying air onto an end part of a separator sheet so that the end part of the cut separator sheet can be bent in an upward direction from the ground during a first winding; and an upper air blowing unit for spraying air onto the end part of the separator sheet so that the end part of the separator sheet can be bent in a downward direction toward the ground of a first unit cell while the first unit cell is firstly wound, thereby preventing a hyphen-shaped fold of the separator sheet during a manufacturing process of an electrode assembly and minimizing defects due to low voltage issues caused by contact between electrodes.

Abstract: An electrode assembly and a method for manufacturing the electrode assembly comprises a plurality of unit cells comprising a positive electrode, a negative electrode, and a separator, respectively, and a separation film folded to be disposed between the plurality of unit cells. The separation film is folded two times or more to come into contact with and surround a first unit cell, which is disposed at an initial position of the separation film, of the plurality of unit cells.

Abstract: The present invention relates to an apparatus for cooking pancakes, and more particularly, to an apparatus for cooking pancakes, in which multiple heating plates are stacked in a vertical direction so as to simultaneously and quickly cook multiple pancakes while reducing an occupied space, and in which the multiple heating plates are heated according to a preset program so as to enable even a beginner to easily cook pancakes.