Abstract: Disclosed herein is a pharmaceutical composition for the prophylaxis and treatment of restenosis, comprising a peroxiredoxin 2 (Prx II) protein as an active ingredient. Optionally, the composition may contain other active ingredients suppressive of restenosis at the carotid artery, the coronary artery, the peripheral artery, and the renal artery. Also, a composition and a method are provided for screening therapeutics for restenosis. This screening composition comprises a peroxiredoxin 2 gene or protein. Together with the method, the composition is useful for searching and developing therapeutics for restenosis.

Abstract: The present invention is directed to a heating resistor including a conducting oxide having an electric conductivity and a nonconducting oxide having insulation or nonconductivity, liquid ejecting heads and apparatus comprising the heating resistors.

Abstract: A nitride semiconductor light emitting device has high internal quantum efficiency but low operating voltage. The nitride semiconductor light emitting device includes an n-nitride semiconductor layer; an active layer of multi-quantum well structure formed on the n-nitride semiconductor layer, and having a plurality of quantum well layers and a plurality of quantum barrier layers; and a p-nitride semiconductor layer formed on the active layer. One of the quantum well layers adjacent to the n-nitride semiconductor layer has an energy band gap greater than that of another one of the quantum well layers adjacent to the p-nitride semiconductor layer.

Abstract: A coding apparatus including a base layer, a speech quality enhancement layer, and a multiplexer. The base layer filters an input speech signal using linear prediction coding and generates an excitation signal corresponding to the filtered speech signal through a fixed codebook search and an adaptive codebook search. The speech quality enhancement layer searches a fixed codebook using parameters obtained through the fixed codebook search in the base layer, or searches the fixed codebook using a target signal, which is obtained by removing a contribution of a fixed codebook of the base layer and a signal which is obtained by synthesizing and filtering a previous fixed codebook of the speech quality enhancement layer from a target signal for the fixed codebook search of the base layer. The multiplexer multiplexes signals generated by the base layer and the at least one speech quality enhancement layer.

Abstract: There is provided a semiconductor light emitting device that can easily dissipate heat, improve current spreading efficiency, and reduce defects by blocking dislocations occurring when a semiconductor layer is grown to thereby increase reliability. A semiconductor light emitting device including a substrate, a light emitting structure having an n-type semiconductor layer, an active layer, and a p-type semiconductor layer sequentially laminated, and an n-type electrode and a p-type electrode formed on the n-type semiconductor layer and the p-type semiconductor layer, respectively, according to an aspect of the invention may include: a metal layer formed in the n-type semiconductor layer and contacting the n-type electrode.

Abstract: There is provided a nitride semiconductor light emitting device including an active layer of a multi quantum well structure, the nitride semiconductor light emitting device including: a substrate; and a buffer layer, an n-type nitride semiconductor layer, an active layer and a p-type nitride semiconductor layer sequentially stacked on the substrate, wherein the active layer is formed of a multi quantum well structure where a plurality of barrier layers and a plurality of well layers are arranged alternately with each other, and at least one of the plurality of barrier layers includes a first barrier layer including a p-doped barrier layer doped with a p-dopant and an undoped barrier layer.

Abstract: A block-constrained Trellis coded quantization (TCQ) method and a method and apparatus for quantizing line spectral frequency (LSF) parameters employing the same in a speech coding system wherein the LSF coefficient quantizing method includes: removing the direct current (DC) component in an input LSF coefficient vector; generating a first prediction error vector by performing inter-frame and intra-frame prediction for the LSF coefficient vector, in which the DC component is removed, quantizing the first prediction error vector by using the BC-TCQ algorithm, and by performing intra-frame and inter-frame prediction compensation, generating a quantized first LSF coefficient vector; generating a second prediction error vector by performing intra-frame prediction for the LSF coefficient vector, in which the DC component is removed, quantizing the second prediction error vector by using the BC-TCQ algorithm, and then, by performing intra-frame prediction compensation, generating a quantized second LSF coefficient

Abstract: A nitride semiconductor light emitting device and a method of manufacturing the same, which can prevent crystal defects such as dislocation while ensuring uniform current spreading into an active layer. The nitride semiconductor light emitting device includes a first n-nitride semiconductor layer formed on a substrate, a first intermediate pattern layer formed on the first n-nitride semiconductor layer, the first intermediate pattern layer having a nanoscale dot structure made of Si compound, a second n-nitride semiconductor layer formed on the first n-nitride semiconductor layer, a second intermediate pattern layer formed on the second n-nitride semiconductor layer, the second intermediate pattern layer having a nanoscale dot structure made of Si compound, which is electrically insulating, a third n-nitride semiconductor layer formed on the second n-nitride semiconductor layer, an active layer formed on the third n-nitride semiconductor layer, and a p-nitride semiconductor layer formed on the active layer.

Abstract: The present invention relates to a GaN based nitride based light emitting device improved in Electrostatic Discharge (ESD) tolerance (withstanding property) and a method for fabricating the same including a substrate and a V-shaped distortion structure made of an n-type nitride semiconductor layer, an active layer and a p-type nitride semiconductor layer on the substrate and formed with reference to the n-type nitride semiconductor layer.

Abstract: There is provided a nitride semiconductor light emitting device including: an n-type semiconductor region; an active layer formed on the n-type semiconductor region; a p-type semiconductor region formed on the active layer; an n-electrode disposed in contact with the n-type semiconductor region; a p-electrode formed on the p-type semiconductor region; and at least one intermediate layer formed in at least one of the n-type semiconductor region and the p-type semiconductor region, the intermediate layer disposed above the n-electrode, wherein the intermediate layer is formed of a multi-layer structure where at least three layers with different band gaps from one another are deposited, wherein the multi-layer structure includes one of an AlGaN layer/GaN layer/InGaN layer stack and an InGaN layer/GaN layer/AlGaN layer stack.

Abstract: The present invention is directed to a heating resistor comprising a conducting oxide having an electric conductivity and a nonconducting oxide having insulation or nonconductivity, liquid ejecting heads and apparatus comprising the heating resistors.

Abstract: A high-speed search method in a speech encoder using an order character of LSP (Line Spectrum Pair) parameters in an LSP parameter quantizer using SVQ (Split Vector Quantization) used in a low-speed transmission speech encoder, includes the steps of rearranging a codebook according to an element value of a reference row for determining a range of code vectors to be searched; and determining a search range by using an order character between a given target vector and an arranged code vector to obtain an optimal code vector. The method gives effects of reducing computational complexity required to search the codebook without signal distortion in quantizing the LSP parameters of the speech encoder using SVQ, and reducing computational complexity without loss of tone quality in G.729 fixed codebook search by performing candidate selection and search on the basis of the correlation value size of the pulse position index.

Abstract: Disclosed herein is a pharmaceutical composition for the prophylaxis and treatment of restenosis, comprising a peroxiredoxin 2 (Prx II) protein as an active ingredient. Optionally, the composition may contain other active ingredients suppressive of restenosis at the carotid artery, the coronary artery, the peripheral artery, and the renal artery. Also, a composition and a method are provided for screening therapeutics for restenosis. This screening composition comprises a peroxiredoxin 2 gene or protein. Together with the method, the composition is useful for searching and developing therapeutics for restenosis.

Abstract: Provided is a method for producing an antibody binding to a sulfonylated isoform of a protein; not to a non-sulfonylated isoform of the protein and other proteins, including: providing a peptide comprised of 6 to 15 amino acids derived from the protein and having a sulfonylated cysteine residue; inducing an antibody to the peptide in an animal; and isolating a population of antibodies reactive to the peptide.

Abstract: A heater of an inkjet printhead, an inkjet printhead having the heater, and a method of manufacturing the inkjet printhead. The heater is formed of an Ru-M-O alloy in which M is at least one metal selected from the group consisting of Ti, Ta, Pt, Ir, Zr, W, and Hf.

Abstract: A method and apparatus to search a codebook including pulses that model a predetermined component of a speech signal. The method includes the operations of selecting a predetermined number of paths corresponding to a predetermined number of pulse locations that are most consistent with the predetermined component, from among paths corresponding to pulse locations of a predetermined pulse location set allocated to at least one branch that connects one state of a predetermined Trellis structure to another state, performing the path selecting operation on each of states other than the one state, and selecting a path corresponding to pulse locations that are most consistent with the predetermined component, from among paths including the selected paths. Accordingly, a number of calculations required during a codebook search is reduced.

Abstract: A method of depositing a ruthenium(Ru) thin film by using readily available ruthenium precursors such as Ru(CP)2 and Ru(EtCP)2, ammonia gas(NH3) as a reactant gas or a purge gas or both, and a plasma enhanced atomic layer deposition(PEALD) apparatus and the method thereof, according to the present invention, is disclosed. Also a gas mixture of nitrogen gas(N2) and hydrogen(H2) is used as a reactant gas or a purge gas or both in addition to ammonia gas in depositing a ruthenium thin film according to the present invention. A ruthenium(Ru) thin film of high density, very pure, very smooth on the film surface and uniform is deposited even at the temperature of the reaction chamber below 400° C. using ammonia gas and a gas mixture of nitrogen gas and hydrogen gas, respectively, as a reactant gas under plasma.

Abstract: The LSF quantizer for a wideband speech coder comprises a subtracter for receiving an input LSF coefficient vector and removing a DC component from it; a memory-based vector quantizer and a memoryless vector quantizer for respectively receiving the DC-component-removed LSF coefficient vector and independently quantizing the same; a switch for receiving quantized vectors respectively quantized by the memory-based vector quantizer and the memoryless vector quantizer, selecting a quantized vector that has less quantized error that is a difference between the received quantized vector and the input LSF coefficent vector from among the received quantized vectors, and outputting the same; and an adder for adding the quantized vector selected by the switch to the DC component of the LSF coefficient vector.

Abstract: A method for forming copper interconnection conductors for interconnecting integrated circuits on a substrate by forming a barrier layer or an adhesion layer or both having excellent adhesion property is disclosed. Ruthenium (Ru) and ruthenium alloys, and rhenium (Re) and rhenium alloys are proposed to use according to the present invention. Other metals proposed to use include nickel (Ni), platinum (Pt), osmium (Os), iridium (Ir) and their alloys, respectively.

Abstract: Provided is a method for producing an antibody binding to a sulfonylated isoform of a protein; not to a non-sulfonylated isoform of the protein and other proteins, including: providing a peptide comprised of 7 to 15 amino acids derived from the protein and having a sulfonylated cysteine residue; inducing an antibody to the peptide; and isolating a population of antibodies reactive to the peptide.