Abstract: A phase change memory device includes a switching device and a storage node connected to the switching device. The storage node includes a bottom stack, a phase change layer disposed on the bottom stack and a top stack disposed on the phase change layer. The phase change layer includes a unit for increasing a path of current flowing through the phase change layer and reducing a volume of a phase change memory region. The area of a surface of the unit disposed opposite to the bottom stack is greater than or equal to the area of a surface of the bottom stack in contact with the phase change layer.

Abstract: Field effect semiconductor devices and methods of manufacturing the same are provided, the field effect semiconductor devices include a second semiconductor layer on a first surface of a first semiconductor layer, a first and a second third semiconductor layer respectively on two sides of the second semiconductor layer, a source and a drain respectively on the first and second third semiconductor layer, and a gate electrode on a second surface of the first semiconductor layer.

Abstract: Disclosed herein are an aromatic imide-based dispersant for CNTs and a carbon nanotube composition comprising the same. Having an aromatic ring structure advantageously realizing adsorption on carbon nanotubes, the dispersant, even if used in a small amount, can disperse a large quantity of carbon nanotubes.

Abstract: Disclosed herein are an aromatic imide-based dispersant for CNTs and a carbon nanotube composition comprising the same. Having an aromatic ring structure advantageously realizing adsorption on carbon nanotubes, the dispersant, even if used in a small amount, can disperse a large quantity of carbon nanotubes.

Abstract: Example embodiments relate to a method of forming a core-shell structure. According to a method, a region in which the core-shell structure will be formed is defined on a substrate, and a core and a shell layer may be sequentially stacked in the defined region. A first shell layer may further be formed between the substrate and the core. When the core and the shell layer are sequentially stacked in the core-shell region, the method may further include forming a groove on the substrate, forming the first shell layer covering surfaces of the groove, forming the core in the groove of which surfaces are covered by the first shell layer, and forming a second shell layer covering the core.

Abstract: Provided is a chemical sensor that may include a first electrode on a substrate, a sensing member covering the first electrode on the substrate, and a plurality of second electrodes on a surface of the sensing member exposing the surface of the sensing member. The chemical sensor may be configured to measure the change in electrical characteristics when a compound to be sensed is adsorbed on the sensing member. Provided also is a chemical sensor array including an array of chemical sensors.

Abstract: A micro lens array and method of fabricating the micro lens array. The micro lens array includes: a substrate; a plurality of holes penetrating the substrate; and a plurality of lens units on a first surface of the substrate, each lens being at a respective one of the plurality of holes. When the micro lens array is applied to a display device, a high contrast ratio can be obtained, and the light can be transmitted in a single direction.

Abstract: Example embodiments relate to an electrical device, for example, to an electrical fuse device that includes a fuse link for linking a cathode and anode. An electrical device may include a cathode, an anode, and a fuse link. The fuse link may link the cathode and the anode. The fuse link may include a multi-metal layer structure. The fuse link may include a first metal layer including a first resistance, and a second metal layer stacked on the first metal layer and including a second resistance. The first resistance may be different from the second resistance. The fuse link may include a weak point as a region at which electrical blowing is performed easier than other regions of the fuse link.

Abstract: Antifuse structures, antifuse arrays, methods of manufacturing, and methods of operating the same are provided. An antifuse structure includes bitlines formed as first diffusing regions within a semiconductor substrate, an insulation layer formed on the bitlines, and wordlines formed on the insulation layer. An antifuse array includes a plurality of antifuse structures arranged in an array.

Abstract: Disclosed herein is a cyclic dispersant having a rigid block which has a high affinity for carbon nanotubes, and a flexible block which has a high affinity for a solvent, with a linkage created therebetween. Having a structure that is advantageous with respect to adsorption to carbon nanotubes, the dispersant, even if used in a small amount, can disperse a large amount of carbon nanotubes.

Abstract: A storage node, phase change memory device having a storage node, a method of fabricating the phase change memory device and a method of operating the phase change memory device are provided. The phase change memory device includes a switching device and a storage node connecting to the switching device. The storage node includes a bottom electrode, a phase change layer formed on the bottom electrode, a material layer formed on the phase change layer and a top electrode formed on the phase change layer around the material layer.

Abstract: A phase change memory device includes a switching device and a storage node connected to the switching device. The storage node includes a bottom stack, a phase change layer disposed on the bottom stack and a top stack disposed on the phase change layer. The phase change layer includes a unit for increasing a path of current flowing through the phase change layer and reducing a volume of a phase change memory region. The area of a surface of the unit disposed opposite to the bottom stack is greater than or equal to the area of a surface of the bottom stack in contact with the phase change layer.

Abstract: Disclosed herein are an aromatic imide-based dispersant for CNTs and a carbon nanotube composition comprising the same. Having an aromatic ring structure advantageously realizing adsorption on carbon nanotubes, the dispersant, even if used in a small amount, can disperse a large quantity of carbon nanotubes.

Abstract: A method of forming a nano-particle array by convective assembly and a convective assembly apparatus for the same are provided. The method of forming nano-particle array comprises: coating a plurality of nano-particles by forming a coating layer; performing a first convective assembly by moving a first substrate facing, in parallel to and spaced apart from a second substrate at a desired distance such that a colloidal solution including the coated nano-particles is between the first and second substrate; and performing a second convective assembly for evaporating a solvent by locally heating a surface of the colloidal solution drawn when the first substrate is moved in parallel relative to the second substrate. The present invention provides the method of forming the nano-particle array where nano-particles having a particle size from a few to several tens of nanometers are uniformly arrayed on a large area substrate at a low cost, and the convective assembly apparatus for the same.

Abstract: A micro lens array and method of fabricating the micro lens array. The micro lens array includes: a substrate; a plurality of holes penetrating the substrate; and a plurality of lens units on a first surface of the substrate, each lens being at a respective one of the plurality of holes. When the micro lens array is applied to a display device, a high contrast ratio can be obtained, and the light can be transmitted in a single direction.