Abstract: A nonvolatile random access memory including a memory cell array including banks, each bank including rows; an address latch circuit; and a control circuit receiving a first set of signals including a precharge command and a first row address, and a second set of signals including an active command and a second row address. The control circuit executes a first operation in which one of the banks is deactivated when the first set of signals is loaded, executes a second operation in which the first row address is loaded when the first set of signals is loaded, and executes a third operation in which at least one of the rows in the bank is selected and activated based on the second row address when the second set of signals is loaded after the first set of signals.

Abstract: Provided are a novel metallocene compound, a catalyst composition including the same, and a method of preparing an olefin-based polymer using the same. The metallocene compound according to the present invention or the catalyst composition including the same may be used for the preparation of an olefin-based polymer, may have excellent polymerization ability, and may produce an olefin-based polymer having a high molecular weight. In particular, when the metallocene compound according to the present invention is employed, an olefin-based polymer having a high molecular weight may be polymerized because the metallocene compound shows high polymerization activity even when it is supported on a support and maintains high activity even in the presence of hydrogen because of its low hydrogen reactivity.

Abstract: A printed circuit board including an electronic component and a method of producing the same are provided. The printed circuit board includes a multilayered substrate including an insulation layer and an inner circuit layer laminated therein, a cavity disposed in the multilayered substrate, a via disposed in the insulation layer and configured to electrically connect the inner circuit layer with another inner circuit layer, a first electronic component inserted in the cavity, and a bump pad disposed on a surface of the cavity facing the first electronic component, and the bump pad is formed by having the insulation layer and the via exposed to a lateral side of the cavity.

Abstract: A printed circuit board and a method of manufacturing the same is described herein. The printed circuit board includes a first insulating layer having a first circuit embedded in a first surface thereof, a second insulating layer disposed on a second surface of the first insulating layer, the second insulating layer having a cavity therein, an electronic component mounted inside the cavity with an adhesion member, and a third insulating layer disposed on the second insulating layer to embed the electronic component.

Abstract: Provided are a novel metallocene compound, a catalyst composition including the same, and a method of preparing a polyolefin using the same. The metallocene compound according to the present invention and the catalyst composition including the same may be used for the preparation of a polyolefin, may have excellent polymerization ability, and may produce a polyolefin having an ultra-high molecular weight. In particular, when the metallocene compound according to the present invention is employed, an olefin-based polymer having an ultra-high molecular weight may be polymerized because the metallocene compound shows high polymerization activity even when it is supported on a support.

Abstract: The present invention relates to a high-tech temperature control device for a semiconductor manufacturing facility and, more specifically, to a high-tech temperature control device for an electrostatic chuck, which supports a wafer and maintains the temperature in a semiconductor wafer processing process. It is possible to very precisely control a temperature of an electrostatic chuck by maintaining temperatures and a mixing flow rate of a heating heat medium and a cooling heat medium constant and adjusting a mixing ratio. Meanwhile, the heat medium after heating and cooling is collected and reused, thereby efficiently using energy.

Abstract: A reactive power compensation apparatus includes one or more phase clusters each comprising a plurality of cells, and a controller controlling the one or more phase clusters. When at least one cell in a specific phase cluster among the one or more phase clusters is faulty, the controller controls a voltage of each cell in each of the remaining phase clusters except for the specific phase cluster to be controlled, using a modulation index.

Abstract: The present disclosure relates to a method for oligomerization of olefins. The method for oligomerization of olefins according to the present disclosure not only provides excellent catalytic activity and stable process operation, but also exhibits high selectivity to 1-hexene or 1-octene by using a catalyst system including an activity modifier.

Abstract: A reactive power compensation apparatus includes one or more phase clusters each comprising a plurality of cells, and a controller controlling the one or more phase clusters. When at least one cell in a specific phase cluster among the one or more phase clusters is faulty, the controller controls a voltage of each cell in each of the remaining phase clusters except for the specific phase cluster to be controlled, using a modulation index.

Abstract: The present invention relates to a method for preparing polyolefin that can easily and effectively prepare polyolefin having high molecular weight and various molecular weight distributions, which was difficult to prepare using the existing metallocene catalyst, and polyolefin prepared thereby. The method for preparing polyolefin comprises the step of polymerizing olefin monomers, in the presence of a metallocene supported catalyst wherein a metallocene compound having a specific chemical structure is supported in a carrier, and hydrogen gas.

Abstract: Disclosed is a method of producing a soft magnetic powder including spraying gas or water into a pure iron bath to prepare a pure iron powder, surface-treating the pure iron powder by milling to increase surface stress of the pure iron powder and make the pure iron powder spherical, and subjecting the surface-treated pure iron powder to reducing thermal treatment to grow surface crystal grains of the pure iron powder and to prepare a soft magnetic powder.

Abstract: A semiconductor device, including a first fin-type pattern; a first gate spacer on the first fin-type pattern, intersecting the first fin-type pattern, and including an upper portion and a lower portion; a second gate spacer on the first fin-type pattern, intersecting the first fin-type pattern, and being spaced apart from the first gate spacer; a first trench defined by the first gate spacer and the second gate spacer; a first gate electrode partially filling the first trench; a first capping pattern on the first gate electrode and filling the first trench; and an interlayer insulating layer covering an upper surface of the capping pattern, a width of the upper portion of the first gate spacer decreasing as a distance from an upper surface of the first fin-type pattern increases, and an outer sidewall of the upper portion of the first gate spacer contacting the interlayer insulating layer.

Abstract: A fan-out semiconductor package includes a first connection member having a through-hole, a semiconductor chip disposed in the through-hole, at least one component-embedded substrate disposed adjacent the semiconductor chip in the through-hole and spaced apart from the semiconductor chip by a predetermined distance and having a plurality of passive components embedded therein, an encapsulant encapsulating at least portions of the first connection member, the at least one component-embedded substrate, and the semiconductor chip, and a second connection member disposed on the first connection member, the at least one component-embedded substrate, and the semiconductor chip.

Abstract: A method of preparing a polyolefin, wherein the method is used to more effectively prepare a polyolefin which has a high molecular weight and multimodal molecular weight distribution, thereby being preferably used for blow-molding or the like, and a polyolefin prepared thereby, are provided.

Abstract: A synthetic test circuit for testing a submodule performance in a power compensator includes a submodule test unit which is an object of testing the submodule performance, a current source and a controller. The current source is connected to the submodule test unit to supply a voltage to the submodule test unit such that a charging voltage having a capacity set in the submodule test unit is stored in order to operate the submodule test unit. The controller is configured to perform control to perform a submodule performance test of the submodule test unit using the stored charging voltage.

Abstract: The present invention relates to a 1-octene composition. The 1-octene composition according to the present invention is prepared by ethylene oligomerization and comprises a high content of 1-octene and monomers useful for copolymerization of 1-octene at the same time.

Abstract: A space division multiple access (SDMA) method is provided. The method may be performed by a station (STA), in a wireless local area network (WLAN) system. The method includes overhearing a third transmission response message transmitted by an access point (AP), and determining whether to access a channel on the basis of criteria information included in the third transmission response message.

Abstract: The present disclosure relates to an image sensor device including: a fan-out semiconductor package including a first semiconductor chip having an active surface on which a connection pad is disposed, a first connection member disposed on the active surface and including a redistribution layer electrically connected to the connection pad of the first semiconductor chip, and a sealing material disposed on the first connection member and sealing at least a portion of the first semiconductor chip, a second semiconductor chip disposed on the first connection member and electrically connected to the first connection member; and a third semiconductor chip disposed on the second semiconductor chip and electrically connected to the second semiconductor chip, in which at least one of the second semiconductor chip or the third semiconductor chip may be an image sensor. The present disclosure also relates to an image sensor module including the image sensor device.

Abstract: A foldable device and a method of controlling the same are provided. The foldable device includes: a flexible display which includes a main display area and an edge display area; and a controller which is configured to determine, based on an angle at which the foldable device is unfolded, a range of a partial activation area of the main display area, wherein the range of the partial activation area is partially bounded by a boundary between the edge display area and the main display area.

Abstract: The present invention relates to an Aspergillus niger F22 strain having a nematicidal activity against plant-parasitic nematodes; a nematicidal microorganism agent against plant-parasitic nematodes, containing, as an active ingredient, the strain, a spore, a fungal hyphal mass, or a culture liquid thereof; a method for controlling plant-parasitic nematodes, having a step of administering the microorganism agent to a crop, a crop seed, or a field; and a method for preparation of a nematicidal microorganism agent against plant-parasitic nematodes, having a step of culturing the strain.