Abstract: A reliability measuring apparatus includes an oxide-nitride-oxide-alumina (ONOA) current measuring circuit configured to measure an ONOA current by applying an ONOA current measuring voltage to a selected word line coupled to a selected memory cell in a flash memory and a reliability indicator generator configured to a reliability indicator using the ONOA current measured through the measuring circuit.

Abstract: Provided is a method of forming a micro/nanowire having a nanometer- to micrometer-sized diameter at predetermined positions of an object. The method includes: preparing a micro/nanopipette having a tip with an inner diameter which is substantially the same as the diameter of the micro/nanowire to be formed; filling the micro/nanopipette with a solution containing a micro/nanowire-forming material; brining the solution into contact with the object through the tip of the micro/nanopipette; and pulling the micro/nanopipette from the object at a pulling speed lower than or equal to a predetermined critical speed (?c) to obtain a micro/nanowire having substantially the same diameter as the inner diameter of the micro/nanopipette tip.

Abstract: A drug delivery device according to an embodiment may include a body including an opening; a magnetic element disposed in the body; a reservoir disposed in the body, connected to the magnetic element, and configured to store a drug; and an opening/closing structure coupled to the body and configured to open or close the opening.

Abstract: Provided is a method of fabricating a core-shell structured nanowire on a tip of an optical fiber, on a substrate, or any position on other target objects, and a nanowire fabricated by the method. The nanowire fabricated by the method of the present invention may be used for a drug delivery system, a sensor, an optical waveguide, and the like.

Abstract: Provided is a method of forming a micro/nanowire having a nanometer- to micrometer-sized diameter at predetermined positions of an object. The method includes: preparing a micro/nanopipette having a tip with an inner diameter which is substantially the same as the diameter of the micro/nanowire to be formed; filling the micro/nanopipette with a solution containing a micro/nanowire-forming material; brining the solution into contact with the object through the tip of the micro/nanopipette; and pulling the micro/nanopipette from the object at a pulling speed lower than or equal to a predetermined critical speed (?c) to obtain a micro/nanowire having substantially the same diameter as the inner diameter of the micro/nanopipette tip.

Abstract: Provided is a method of fabricating a micro/nanowire having a nanometer- to micrometer-sized diameter at predetermined positions on an object. The method comprises: preparing a micro/nanopipette having a tip with an inner diameter (dpt) which is substantially the same as the diameter of the micro/nanowire to be fabricated; filling the micro/nanopipette with a solution containing a micro/nanowire-forming material; bringing the solution into contact with the object through the tip of the micro/nanopipette; and pulling the micro/nanopipette apart from the object at a pulling speed lower than or equal to a predetermined critical pulling speed (vc) to fabricate a micro/nanowire having substantially the same diameter as the inner diameter of the micro/nanopipette tip (dpt). The critical pulling speed (vc) is defined by a maximum limit of the pulling speed at which the micro/nanowire to be fabricated has the same diameter as the inner diameter of the micro/nanopipette tip (dpt).

Abstract: Provided is a method and apparatus for measuring pH in single cells, and a method of manufacturing a nanoprobe therefor. The apparatus for measuring pH in a single cell comprises: a nanoprobe formed by labeling a pH-responsive fluorescent material to a nanowire grown on a tapered tip of an optical fiber; a manipulator capable of regulating a three-dimensional movement of the nanoprobe to insert the nanoprobe into a single living cell; a light source for applying light to the optical fiber; an optical coupler for connecting the optical fiber with another optical fiber to transmit the light incident through the optical fiber to the nanoprobe and to transmit a fluorescence signal obtained from the nanoprobe through the another optical fiber; and a spectrometer for obtaining a pH value by receiving the fluorescence signal through the another optical fiber and analyzing spectral data from the fluorescence signal.

Abstract: A semiconductor device includes a substrate with a buffer region between first and second regions, the first region being a SRAM cell region, and the second region being a peripheral circuit region, first gate structures in a first direction on the first region and being spaced apart from each other in a second direction, second gate structures in the first direction on the second region and being spaced apart from each other in the second direction, the first and second gate structures being aligned with each other, a first insulating structure in the second direction on the buffer region between the first and the second regions along an entire length of each of the first and second regions in the second direction, and a second insulating structure on the first region and in contact with a part of the plurality of first gate structures.

Abstract: A semiconductor device includes a substrate with a buffer region between first and second regions, the first region being a SRAM cell region, and the second region being a peripheral circuit region, first gate structures in a first direction on the first region and being spaced apart from each other in a second direction, second gate structures in the first direction on the second region and being spaced apart from each other in the second direction, the first and second gate structures being aligned with each other, a first insulating structure in the second direction on the buffer region between the first and the second regions along an entire length of each of the first and second regions in the second direction, and a second insulating structure on the first region and in contact with a part of the plurality of first gate structures.

Abstract: A semiconductor device, which can improve reading and writing stability of a static random access memory (SRAM) is provided.

Abstract: Provided are an organometallic complex providing highly efficient phosphorescence and an organic electroluminescence device using the same. The organometallic complex can be used to form an organic layer of the organic electroluminescence device, efficiently emits light of a wavelength corresponding to red light, and has high brightness and low operating voltage.

Abstract: Provided are an organometallic complex providing highly efficient phosphorescence and an organic electroluminescence device using the organometallic complex represented by Formula 1: MLmL?n where M is Ir, Os, Pt, Pb, Re, Ru or Pd, L and L? are different bidentate ligands, m is 1, 2 or 3, and n is 3?m. The organometallic complex can be used to form an organic layer of the organic electroluminescence device, efficiently emits light of a wavelength corresponding to red light, and has high brightness and low operating voltage.

Abstract: Provided are a cyclopentaphenanthrene-based compound and an organic EL device using the same. The cyclopentaphenanthrene-based compound is easy to prepare and excellent in solubility, color purity, and color stability. The cyclopentaphenanthrene-based compound is useful as a material for forming an organic layer, in particular, a light-emitting layer in an organic EL device, and as an organic dye or an electronic material such as a nonlinear optical material.

Abstract: Disclosed is a method for manufacturing a fiber-reinforced composite sabot for use in APFSDS (Armor. Piercing Fin Stabilized Discarding Sabot) wherein a plurality of fiber mats are laminated instead of one-directional prepreg ply and whole part is reinforced by stitching through long fiber bundle in order to enhance circumferential shear strength, and high quality fiber-reinforced composite sabot is manufactured in a short time using resin-injection vacuum assisted resin transfer molding after stitching.

Abstract: Provided are a high-efficiency, photoluminescent heteronuclear copper (I)-iridium (III) complex and an organic electroluminescent device using the complex. The photoluminescent heteronuclear copper (I)-iridium (III) complex can be used to form an organic layer of an organic electroluminescent device, can emit light of 590-630 nm as a high-efficiency, photoluminescent material, and provides a high brightness and a low turn-on voltage.

Abstract: Provided are an organometallic complex providing highly efficient phosphorescence and an organic electroluminescence device using the same. The organometallic complex can be used to form an organic layer of the organic electroluminescence device, efficiently emits light of a wavelength corresponding to red light, and has high brightness and low operating voltage.

Abstract: Provided are a cyclopentaphenanthrene-based compound and an organic EL device using the same. The cyclopentaphenanthrene-based compound is easy to prepare and excellent in solubility, color purity, and color stability. The cyclopentaphenanthrene-based compound is useful as a material for forming an organic layer, in particular, a light-emitting layer in an organic EL device, and as an organic dye or an electronic material such as a nonlinear optical material.

Abstract: Disclosed is a method for manufacturing a fiber-reinforced composite sabot for use in APFSDS (Armor Piercing Fin Stabilized Discarding Sabot), wherein both Band lamination and Hoop lamination are used in manufacturing a polymer based FRP(Fiber Reinforced Plastic) for use in the sabot in order to prevent the prepreg delamination in the circumferential direction caused by the radial lamination. The method for manufacturing a fiber-reinforced composite sabot of the present invention comprises the steps of a sub-segment forming step, a piece forming step and a sabot forming step, and the lamination is carried out with improved segment lamination form preventing the damage in the 120 degree surface in the process of treating the sabot.

Abstract: Provided are a cyclopentaphenanthrene-based compound and an organic EL device using the same. The cyclopentaphenanthrene-based compound is easy to prepare and excellent in solubility, color purity, and color stability. The cyclopentaphenanthrene-based compound is useful as a material for forming an organic layer, in particular, a light-emitting layer in an organic EL device, and as an organic dye or an electronic material such as a nonlinear optical material.

Abstract: Provided are an organic light-emitting compound of Formula 1 and an organic light-emitting device using the organic light-emitting compound: where Ar, R1, R2, R3, R4, and R5 are the same as defined in the detailed description. The organic light-emitting device manufactured using the organic light-emitting compound has a low turn-on voltage and high efficiency and color purity.