Abstract: A method of patterning a metal layer includes forming a first mask on a surface of the metal layer, the first mask having an opening through the first mask that exposes the metal layer, and forming a nanogap in the exposed metal layer using an ion beam directed through the opening. The first mask limits a lateral extent of the ion beam, and the nanogap has a width that is less than a width of the opening.

Abstract: The present invention relates to a counterfeit prevention paper and manufacturing method thereof, and more particularly to currency, securities, official document and several certificates, etc. The counterfeit prevention paper according to the present invention comprises a paper and a thermopaint layer which is formed on a paper and is discolored according to a temperature. The counterfeit prevention paper according to the present invention can detect easily a counterfeit by an unaided eye. Also, a function for preventing a counterfeit is not copied by a counterfeit device, thus the counterfeit prevent paper according to the present invention can improve a reliability of various official documents and several certificates, etc.

Abstract: The present invention relates to a non-volatile memory cell and a method of fabricating the same. The non-volatile memory cell according to the present invention comprises a substrate, a first oxide film formed over an active region of the substrate, a source and drain formed within the active region, a charge storage unit formed on the first oxide film, a second oxide film configured to surround the charge storage unit and formed on the first oxide film, and a gate formed to surround the second oxide film. According to the non-volatile memory cell and a cell array including the same in accordance with the present invention, the charge storage unit is fully surrounded by the gate or the gate line, thus a disturbance phenomenon that may occur due to the memory operation of cells formed in other neighboring gate or gate line can be minimized.

Abstract: Molecular devices and methods of manufacturing the molecular device are provided. The molecular device may include a lower electrode on a substrate and a self-assembled monolayer on the lower electrode. After an upper electrode is formed on the self-assembled monolayer, the self-assembled monolayer may be removed to form a gap between the lower electrode and the upper electrode. A functional molecule having a functional group may be injected into the gap.

Abstract: The present invention relates to a Field-Effect Transistor (FET) and, more particularly, to a Dielectric-Modulated Field-Effect Transistor (DMFET) and a method of fabricating the same. A DMFET according to an embodiment of the present invention comprises a substrate in which a source and a drain are formed, wherein the source and the drain are spaced apart from each other, a gate formed on a region between the source and the drain, of the substrate, wherein at least part of the gate is spaced apart from the substrate, biomolecules formed below a region spaced apart from the substrate, of the gate, and a linker for combining the gate and the biomolecules.

Abstract: Molecular devices and methods of manufacturing the molecular device are provided. The molecular device may include a lower electrode on a substrate and a self-assembled monolayer on the lower electrode. After an upper electrode is formed on the self-assembled monolayer, the self-assembled monolayer may be removed to form a gap between the lower electrode and the upper electrode. A functional molecule having a functional group may be injected into the gap.

Abstract: A method for treating cardiovascular disease, including hyperlipidemia and atherosclerosis, using abietane diterpenoid compound or terpenoid compound isolated from Torreya nucifera as an effective ingredient. The abietane diterpenoid compound or terpenoid compound isolated from Torreya nucifera not only excellently inhibits oxidation of low-density lipoprotein (LDL), but also effectively inhibits acyl-CoA: cholesterol acyltransferase (ACAT) activity.

Abstract: The present invention relates to a method for treating a cardiovascular disease, such as hyperlipidemia or atherosclerosis, with a pharmaceutically effective amount of an extract of Torreya nucifera or abietane diterpenoid compound or terpenoid compound isolated from the same as an effective ingredient. Torreya nucifera extracts, abietane diterpenoid compound, or terpenoid compound isolated from the extracts were prepared by extracting Torreya nucifera leaves, stems, or seeds with water, alcohol, or mixed solution of water and alcohol, which is further fractionized with n-hexane, chloroform and etheyl acetate in that order. Further, the present invention provides a method for inhibiting an oxidation of low-density lipoprotein (LDL) and inhibiting Acyl-CoA:cholesterol acyltransferase (ACAT) using an extract of Torreya nucifera or abietane diterpenoid compound or terpenoid compound isolated from the same as an effective ingredient.

Abstract: Provided are a phase change memory device that can operate at low power and improve the scale of integration by reducing a contact area between a phase change material and a bottom electrode, and a method for fabricating the same. The phase change memory comprises a current source electrode, a phase change material layer, a plurality of carbon nanotube electrodes, and an insulation layer. The current source electrode supplies external current to a target. The phase change material layer is disposed to face the current source electrode in side direction. The carbon nanotube electrodes are disposed between the current source electrode and the phase change material layer. The insulation layer is formed outside the carbon nanotube electrodes and functions to reduce the loss of heat generated at the carbon nanotube electrodes.

Abstract: Provided are a phase change memory device that can operate at low power and improve the scale of integration by reducing a contact area between a phase change material and a bottom electrode, and a method for fabricating the same. The phase change memory comprises a current source electrode, a phase change material layer, a plurality of carbon nanotube electrodes, and an insulation layer. The current source electrode supplies external current to a target. The phase change material layer is disposed to face the current source electrode in side direction. The carbon nanotube electrodes are disposed between the current source electrode and the phase change material layer. The insulation layer is formed outside the carbon nanotube electrodes and functions to reduce the loss of heat generated at the carbon nanotube electrodes.

Abstract: A method of fabricating a semiconductor device by filling carbon nanotubes in a recess is disclosed. The method of fabricating the semiconductor device comprises patterning a mold on a substrate, coating carbon nanotubes on an entire surface of the recess and the mold formed by the patterning, filling the carbon nanotubes coated on the an entire surface of the mold in the recess, and removing the mold.

Abstract: Provided are a CMOS image sensor and a method for fabricating the same. A nanopillar is plurally formed at an upper end of a light receiving element.

Abstract: A method of fabricating a semiconductor device by filling carbon nanotubes in a recess is disclosed. The method of fabricating the semiconductor device comprises patterning a mold on a substrate, coating carbon nanotubes on an entire surface of the recess and the mold formed by the patterning, filling the carbon nanotubes coated on the an entire surface of the mold in the recess, and removing the mold.

Abstract: The present invention relates to a bio-silica chip comprising a silica-binding protein and a fabrication method thereof, and more particularly to a bio-silica chip in which a fusion protein of a silica-binding protein and a probe protein is immobilized on a chip comprising a silica layer, a fabrication method thereof and a method of using the bio-silica chip to detect interactions with biomaterials. The bio-silica chip will be very useful in biosensors, etc., because the bio-silica chip is advantageous in that it does not cause non-specific protein binding in the detection of protein-DNA, protein-ligand, protein-antibody, protein-peptide, protein-carbohydrate, protein-protein and cell-biomaterial interactions. Also, in the method for fabricating the bio-silica chip, a probe chip can be selectively immobilized on a silica device chip, which is widely used in biosensors, without a chemical surface treatment process.

Abstract: The present invention relates to a composition for the prevention and the treatment of cardiovascular disease containing extracts of T. nucifera or abietane diterpenoid compound or terpenoid compound isolated from the same as an effective ingredient. T. nucifera extracts or abietane diterpenoid compound or terpenoid compound isolated from the same of the present invention not only shows excellent anti-oxidative activity to LDL but also effectively inhibits ACAT activity. Further, T. nucifera extracts of the present invention reduce blood LDL cholesterol and total cholesterol. Therefore, the composition of the present invention can be effectively used for the prevention and the treatment of cardiovascular diseases including hyperlipidemia and atherosclerosis caused by the LDL oxidation and the synthesis and accumulation of cholesteryl ester.

Abstract: The present invention relates to a composition for the prevention and the treatment of cardiovascular disease containing extracts of T. nucifera or abietane diterpenoid compound or terpenoid compound isolated from the same as an effective ingredient. T. nucifera extracts or abietane diterpenoid compound or terpenoid compound isolated from the same of the present invention not only shows excel lent anti-oxidative activity to LDL but also effectively inhibits ACAT activity. Further, T. nucifera extracts of the present invention reduce blood LDL cholesterol and total cholesterol. Therefore, the composition of the present invention can be effectively used for the prevention and the treatment of cardiovascular diseases including hyperlipidemia and atherosclerosis caused by the LDL oxidation and the synthesis and accumulation of cholesteryl ester.

Abstract: The present invention relates to a counterfeit prevention paper and manufacturing method thereof, and more particularly to currency, securities, official document and several certificates, etc. The counterfeit prevention paper according to the present invention comprises a paper and a thermopaint layer which is formed on a paper and is discolored according to a temperature. The counterfeit prevention paper according to the present invention can detect easily a counterfeit by an unaided eye. Also, a function for preventing a counterfeit is not copied by a counterfeit device, thus the counterfeit prevent paper according to the present invention can improve a reliability of various official documents and several certificates, etc.

Abstract: Provided is a flash memory, and more particularly, to a method and structure for erasing flash blocks based on back-bias. The method comprises the steps of forming a flash block on a silicon on insulator (SOI) substrate and forming a body-electrode on back side of the silicon on insulator (SOI) substrate.

Abstract: A method of patterning a metal layer includes forming a first mask on a surface of the metal layer, the first mask having an opening through the first mask that exposes the metal layer, and forming a nanogap in the exposed metal layer using an ion beam directed through the opening. The first mask limits a lateral extent of the ion beam, and the nanogap has a width that is less than a width of the opening.

Abstract: The present invention relates to a composition for the prevention and the treatment of cardiovascular disease containing extracts of T. nucifera or abietane diterpenoid compound or terpenoid compound isolated from the same as an effective ingredient. T. nucifera extracts or abietane diterpenoid compound or terpenoid compound isolated from the same of the present invention not only shows excellent anti-oxidative activity to LDL but also effectively inhibits ACAT activity. Further, T. nucifera extracts of the present invention reduce blood LDL cholesterol and total cholesterol. Therefore, the composition of the present invention can be effectively used for the prevention and the treatment of cardiovascular diseases including hyperlipidemia and atherosclerosis caused by the LDL oxidation and the synthesis and accumulation of cholesteryl ester.