Patent application number | Description | Published |
20090232467 | Printed circuit board for optical waveguide and method of manufacturing the same - Disclosed herein is a printed circuit board for an optical waveguide, including a base board, and an optical waveguide formed on the base board. The optical waveguide includes a lower clad layer formed on the base board, an insulation layer formed on the lower clad layer and having a core-forming through-hole, a core part formed on a region of the lower clad layer, which is exposed through the through-hole, and an upper clad layer formed in the through-hole and on the insulation layer. | 09-17-2009 |
20090290832 | Printed circuit board including optical waveguide and method of manufacturing the same - Disclosed herein is a printed circuit board including an optical waveguide and a method of manufacturing the board. In the board, the optical waveguide includes a metal layer extending portion integrally connected to a metal layer constituting a mirror formed in the optical waveguide. Since the method of the present invention creates the mirror using electroless plating, which is typically used in a process of manufacturing general printed circuit boards, it is suitable for the manufacture of printed circuit boards having a large area, and the mirror has high reflectivity and is efficient in terms of material consumption. | 11-26-2009 |
20100142883 | Printed circuit board for optical waveguide and method of manufacturing the same - Disclosed herein is a printed circuit board for an optical waveguide, including: a substrate; an insulation layer having a through hole and formed on the substrate; a lower clad layer formed on a bottom of the through hole; core part formed on the lower clad layer; and an upper clad layer formed on the lower clad layer and the core part and thus covering an exposed surface of the core part. | 06-10-2010 |
20100316329 | OPTICAL ELEMENT PACKAGE AND SUBSTRATE COMPRISING THE SAME - Disclosed herein is an optical element package substrate configured such that electric wiring substrates having a cavity are layered on both sides of an optical waveguide, an optical element package is mounted in the electric wiring substrates, and an optical element mounted on the surface of the optical element package is housed in the cavity, so that the distance between the optical element and the optical waveguide is decreased, thereby increasing optical connection efficiency. | 12-16-2010 |
20100316330 | PRINTED CIRCUIT BOARD FOR OPTICAL WAVEGUIDES AND METHOD OF MANUFACTURING SAME - Disclosed herein is a printed circuit board for an optical waveguide, including: a lower substrate; an insulation layer which has a through-hole and is formed on the lower substrate; an optical waveguide which is formed in the through-hole such that a clearance is present between the optical wave guide and an inner wall of the through-hole; and an adhesive material which is charged in the clearance. The printed circuit board for an optical waveguide is advantageous in that a lower clad material, a core material and an upper clad material are sequentially applied on the lower substrate partially, not entirely, based on the region in which a core is formed, and is then patterned to form an optical waveguide, so that the amounts of the lower and upper clad materials and the core material, which are used to form the optical waveguide, can be greatly decreased. | 12-16-2010 |
20120171624 | PRINTED CIRCUIT BOARD FOR OPTICAL WAVEGUIDE AND METHOD OF MANUFACTURING THE SAME - Disclosed herein is a printed circuit board for an optical waveguide, including a base board, and an optical waveguide formed on the base board. The optical waveguide includes a lower clad layer formed on the base board, an insulation layer formed on the lower clad layer and having a core-forming through-hole, a core part formed on a region of the lower clad layer, which is exposed through the through-hole, and an upper clad layer formed in the through-hole and on the insulation layer. | 07-05-2012 |
20130153280 | PRINTED CIRCUIT BOARD AND METHOD OF MANUFACTURING THE SAME - Disclosed herein is a printed circuit board including: a substrate; first upper and lower insulating layers covering upper and lower sides of the substrate; a via penetrating the substrate and the first upper and lower insulating layers to form an electrical connection; and second upper and lower insulating layers covering or surrounding the via, wherein the first upper and lower insulating layers or the second upper and lower insulating layers include a general circuit region including general circuit patterns and circuit patterns connected to the via and a microcircuit region including microcircuit patterns having a smaller circuit line width than that of the general circuit region. | 06-20-2013 |
Patent application number | Description | Published |
20080261017 | Hollow Fiber Membrane and Preparing Method Thereof - The present invention relates to a polyvinylidene difluoride hollow fiber membrane and a method of preparing the same, and more particularly, to an improved polyvinylidene difluoride hollow fiber membrane and a preparation method thereof, in which a spinning solution consisting of polyvinylidene fluoride, alcohol dendrimer and organic solvent is prepared, and then is subjected to solidification by a wet-phase transition process, cleaning and drying, in which alcohol dendrimer that is an organic material as a pore former is introduced, allowing uniform disperse of alcohol dendrimer in polyvinylidene difluoride to form pores, with each having a high dispersion ability and a uniform size, and in which an excellent adhesion durability is imparted, owing to the use of a single material of polyvinylidene difluoride, unlike the conventional hollow fiber membrane preparation method in which pores are formed using existing inorganic particles. | 10-23-2008 |
20100276835 | Method of Manufacturing an Air Hole of Hollow Fiber Membrane Module for Water Treatment - The present invention relates to a method of forming air holes in a hollow fiber membrane module for water treatment. A main object of the present invention is to easily form air holes in the potting material injected into the module housing to prevent contamination of the hollow fiber membranes in the module housing. Accordingly, the present invention provides a method of forming air holes in a hollow fiber membrane module for water treatment, in which a plurality of pins and a disc-like plate, to which distal ends of the pins are fit, are disposed at one end portion of the inside of the module housing, the pins and the plate are immersed in the potting material (adhesive agent) during the potting process, the bonding mold is first removed from the module housing after the potting process and the plate is separated from the pins, and simultaneously the rear ends of the pins exposed to the outside are pulled outwardly to be removed from the potting material such that a plurality of air holes are formed at the corresponding empty positions of the potting material from which the pins are removed. | 11-04-2010 |
20120289397 | METHOD OF FABRICATION OF NANO PARTICLE COMPLEX CATALYST BY PLASMA ION IMPLANTATION AND DEVICE FOR THE SAME - Provided is a method of fabricating a nano particle complex catalyst including generating a plasma ion of a solid element and performing plasma ion implantation to carry a catalyst component of the solid element in a porous carrier. In the method, a pulse direct current voltage is applied to the deposition source to generate the plasma ion of the solid element, and a synchronized voltage is applied to the porous carrier, thereby instantly applying a pulse high voltage to the solid element. The ionized solid element is accelerated toward the porous carrier by the pulse high voltage instantly applied to the solid element, thereby performing the ion implantation. | 11-15-2012 |
20130052475 | METHOD OF FABRICATING POROUS FILM STRUCTURE USING DRY PROCESSES AND POROUS FILM STRUCTURES FABRICATED BY THE SAME - Provided are a method of fabricating a porous thin film structure, by forming a thin film from at least two elements, followed by selectively removing the certain element using a dry etching process, and a porous thin film structure fabricated by the same. Because all processes of the method of fabricating a porous thin film structure are dry processes, process control is simply accomplished, environmental impact is low, and mass production is possible, in contrast to when using a typical wet process such as electrodeposition or dealloying. Also, since a level of porosity is easily controlled and maintained uniform, a mesoporous thin film structure showing a reproducible level of sensitivity when used as a sensor can be fabricated. | 02-28-2013 |
20130275299 | SYSTEM AND METHOD FOR ELECTRONIC RECEIPT MANAGEMENT USING USER TERMINAL - Provided are systems and methods for electronic receipt management using a user terminal which includes an electronic wallet where payment information is stored, an electronic receipt application storing and managing an electronic receipt, an installation number generated to determine what number of application is installed when the electronic receipt application is installed, a dongle including a payment request relay unit requesting an installation number and payment information to the user terminal to transfer received installation number, payment information, and the amount of requested payment to a payment server, a payment unit making a payment using the payment information and the amount of requested payment received from the payment request relay unit and an electronic receipt issuing unit issuing an electronic receipt when the payment unit makes a payment and transferring the issued electronic receipt and the installation number received from the payment request relay unit to an electronic receipt server. | 10-17-2013 |
20140030532 | METHOD OF FORMING METAL THIN FILM USING ELECTROLESS DEPOSITION AND THIN FILM DEVICE FABRICATED USING THE METHOD - Provided is a technique for electroless deposition (ELD) for forming metal conductive layer on an insulating substrate made of glass, polymer, etc. According to an aspect, an adhesive layer and a catalyst layer are formed on a substrate using a dry deposition method, such as are plasma deposition (APD) or sputtering, etc., and electroless deposition is performed thereon, thereby forming a metal thin, film. Therefore, it is possible to significantly simplify a complicated pretreatment process required for electroless depositions and increase adhesive strength of a deposited metal thin film. | 01-30-2014 |
Patent application number | Description | Published |
20130149806 | METHODS OF FORMING PHOTO DETECTORS - Methods of forming photo detectors are provided. The method includes providing a semiconductor layer on a substrate, forming a trench in the semiconductor layer, forming a first single crystalline layer and a second single crystalline layer using a selective single crystalline growth process in the trench, and patterning the first and second single crystalline layers and the semiconductor layer to form a first single crystalline pattern, a second single crystalline pattern and an optical waveguide. | 06-13-2013 |
20130156057 | SEMICONDUCTOR LASER DEVICE AND METHOD OF FABRICATING THE SAME - The inventive concept provides semiconductor laser devices and methods of fabricating the same. According to the method, a silicon-crystalline germanium layer for emitting a laser may be formed in a selected region by a selective epitaxial growth (SEG) method. Thus, surface roughness of both ends of a Fabry Perot cavity formed of the silicon-crystalline germanium layer may be reduced or minimized, and a cutting process and a polishing process may be omitted in the method of fabricating the semiconductor laser device. | 06-20-2013 |
20140048772 | LOW-VOLTAGE HIGH-GAIN HIGH-SPEED GERMANIUM PHOTO DETECTOR AND METHOD OF FABRICATING THE SAME - Provided is a silicon-wafer-based germanium semiconductor photodetector configured to be able to provide properties of high gain, high sensitivity, and high speed, at a relatively low voltage. A germanium-based carrier multiplication layer (e.g., a single germanium layer or a germanium and silicon superlattice layer) may be provided on a silicon wafer, and a germanium charge layer may be provided thereon, a germanium absorption layer may be provided on the charge layer, and a polysilicon second contact layer may be provided on the absorption layer. The absorption layer may be configured to include germanium quantum dots or wires. | 02-20-2014 |
20140105235 | SEMICONDUCTOR LASER AND METHOD OF MANUFACTURING THE SAME - Provided are a semiconductor laser and a method of manufacturing the same. The method includes: providing a substrate including a buried oxide layer; forming patterns, which includes an opening part to expose the substrate, by etching the buried oxide layer; forming a germanium single crystal layer in the opening part; and forming an optical coupler, which is adjacent to the germanium single crystal layer, on the substrate. | 04-17-2014 |
20140308537 | METHOD FOR FABRICATING HOLLOW METAL NANO PARTICLES AND HOLLOW METAL NANO PARTICLES FABRICATED BY THE METHOD - The present application provides a method for fabricating hollow metal nano particles and hollow metal nano particles fabricated by the same. | 10-16-2014 |
20140342157 | HOLLOW METAL NANO PARTICLES - The present application relates to hollow metal nano particles. | 11-20-2014 |
20140346532 | OPTICAL INPUT/OUTPUT DEVICE, OPTICAL ELECTRONIC SYSTEM INCLUDING THE SAME, AND METHOD OF MANUFACTURING THE SAME - Disclosed are an optical input/output device and an opto-electronic system including the same. The device includes a bulk silicon substrate, at least one vertical-input light detection element monolithically integrated on a portion of the bulk silicon substrate, and at least one vertical-output light source element monolithically integrated on another portion of the bulk silicon substrate adjacent to the vertical-input light detection element. The vertical-output light source element includes a III-V compound semiconductor light source active layer combined with the bulk silicon substrate by a wafer bonding method. | 11-27-2014 |
20150037711 | METHOD FOR FABRICATING CORE-SHELL PARTICLES AND CORE-SHELL PARTICLES FABRICATED BY THE METHOD - The present application provides a method for fabricating core-shell particles, including: forming a first solution by adding a first metal salt and a first surfactant to a first solvent; forming core particles including a first metal included in the first metal salt by adding a first reducing agent to the first solution; forming a second solution by adding the core particles, a second metal salt, and a second surfactant to a second solvent; and forming core-shell particles by adding a second reducing agent to the second solution and forming shells on the surface of the core particle, in which the first surfactant and the second surfactant are polyoxyethylene, polyoxyethylene sorbitan monolaurate or polyoxyethylene oleyl ether, and core-shell particles fabricated by the method. | 02-05-2015 |
20150118496 | METHOD FOR FABRICATING HOLLOW METAL NANO PARTICLES AND HOLLOW METAL NANO PARTICLES FABRICATED BY THE METHOD - The present application provides a method for fabricating hollow metal nano particles and hollow metal nano particles fabricated by the same. | 04-30-2015 |
20150146755 | SEMICONDUCTOR LASER AND METHOD OF FABRICATING THE SAME - Provided is a method of fabricating a semiconductor laser. The method includes: providing a semiconductor substrate including a first region and a second region; forming a silicon single crystal layer in the second region of the semiconductor substrate by using a selective epitaxial growth process; forming an optical coupler by using the silicon single crystal layer; and forming a laser core structure including a germanium single crystal layer in the first region of the semiconductor substrate by using a selective epitaxial growth process. | 05-28-2015 |
20150314275 | HOLLOW METAL NANO PARTICLES SUPPORTED ON CARRIER - The present specification relates to hollow metal nano particles supported on a carrier. | 11-05-2015 |
20150328629 | METHOD FOR FABRICATING HOLLOW METAL NANO PARTICLES SUPPORTED ON CARRIER (As Amended) - The present application relates to a method for fabricating hollow nano particles supported on carrier. | 11-19-2015 |
20150333336 | METHOD FOR FABRICATING CORE-SHELL PARTICLES SUPPORTED ON CARRIER AND CORE-SHELL PARTICLES SUPPORTED ON CARRIER FABRICATED BY THE SAME (As Amended) - The present invention provides a method for fabricating core-shell particles supported on a carrier, the method including: forming a solution by adding a first metal supported on a carrier to a solvent; adjusting a pH of the solution from 7 to 14 and adding a metal salt of a second metal thereto; and forming core-shell particles by adding a reducing agent to the solution and forming a shell including the second metal on a surface of a core particle including the first metal, and core-shell particles fabricated by the method. | 11-19-2015 |
20160096223 | METAL NANOPARTICLES - The present specification relates to a metal nanoparticle. Specifically, the present specification relates to a metal nanoparticle having a cavity. | 04-07-2016 |
Patent application number | Description | Published |
20140096693 | APPARATUS OF FORMING PATTERN, METHOD OF MANUFACTURING THE SAME, AND METHOD OF FORMING THE SAME - A pattern forming apparatus includes a substrate receiving part on which a printed substrate formed with an organic layer thereon is disposed, and a rotation roll that removes portions of the organic layer to form a pattern. The rotation roll includes a rotation body having a cylindrical shape, a pivot engaged with the rotation body to transfer a rotational force to the rotation body, and a blanket attached to an outer surface of the rotation body. The blanket includes an embossed pattern formed on a surface thereof. | 04-10-2014 |
20140134479 | ADDITIVE FOR ELECTROLYTE AND ELECTROLYTE AND RECHARGEABLE LITHIUM BATTERY - An electrolyte additive represented by the following Chemical Formula 1, an electrolyte, and a rechargeable lithium battery are disclosed: | 05-15-2014 |
20140220426 | PHOSPHORUS CONTAINING COMPOUND, METHOD OF PREPARING SAME, AND ELECTROLYTE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - A phosphorous containing compound represented by the following Chemical Formula 1, a method of preparing the phosphorous containing compound, an electrolyte for a rechargeable lithium battery including the phosphorous containing compound, and a rechargeable lithium battery including the electrolyte. | 08-07-2014 |
20140242453 | ELECTROLYTE AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - An electrolyte for a rechargeable lithium battery including a lithium salt, a non-aqueous organic solvent, and an additive, wherein the additive includes a compound represented by Chemical Formula 1 | 08-28-2014 |
20140308563 | RECHARGEABLE LITHIUM BATTERY AND METHOD OF FABRICATING SAME - In an aspect, a rechargeable lithium battery that includes a positive electrode; negative electrode; a separator interposed between the positive electrode and the negative electrode and including a porous substrate and a coating layer formed on at least one side of the porous substrate; and an electrolyte including a lithium salt, a non-aqueous organic solvent, and an additive is provided. | 10-16-2014 |
20140308564 | RECHARGEABLE LITHIUM BATTERY AND METHOD OF FABRICATING THE SAME - In an aspect, a rechargeable lithium battery that includes a positive electrode; negative electrode; a separator interposed between the positive electrode and the negative electrode and including a porous substrate and a coating layer formed on at least one side of the porous substrate; and an electrolyte including a lithium salt, a non-aqueous organic solvent, and an additive is provided. | 10-16-2014 |
20140322596 | ADDITIVE FOR ELECTROLYTE OF LITHIUM BATTERY, ORGANIC ELECTROLYTIC SOLUTION COMPRISING THE SAME, AND LITHIUM BATTERY USING THE ORGANIC ELECTROLYTIC SOLUTION - In an aspect, an additive for an electrolyte of a lithium battery, the additive including a compound including at least three nitrile moieties is provided: | 10-30-2014 |
20140335427 | ELECTROLYTE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY EMPLOYING THE SAME - An electrolyte for a lithium secondary battery and a lithium secondary battery including the electrolyte are provided. The electrolyte includes a compound represented by Formula 1 below; a nonaqueous organic solvent; and a lithium salt: | 11-13-2014 |
20140342242 | ORGANIC ELECTROLYTE SOLUTION AND LITHIUM BATTERY COMPRISING THE SAME - An organic electrolyte solution and a lithium battery using the same are disclosed. The organic electrolyte solution includes a lithium salt, an organic solution, a thiophene-based compound and a nitrile-based compound. | 11-20-2014 |
20140345065 | FOAM-TYPE HAIR DYE COMPOSITION FOR IMPROVING HAIR SOFTNESS WITHOUT DRIPPING - The present invention relates to a hair dye composition, and more particularly, to a foam-type hair dye composition comprising: a first agent including a dye and an alkaline agent and a second agent including an oxidant; and a nonionic viscosity increasing agent of a PEG-aliphatic acid ester or a PPG-aliphatic acid ester in one or both of the first agent and the second agent, thereby largely improving dyeing properties without dripping after the composition is coated on hair. | 11-27-2014 |
20140349176 | ADDITIVE FOR ELECTROLYTE, ELECTROLYTE AND RECHARGEABLE LITHIUM BATTERY - In an aspect, a rechargeable lithium battery that includes a positive electrode; negative electrode; a separator interposed between the positive electrode and the negative electrode; and an electrolyte including a lithium salt, a non-aqueous organic solvent, and an additive is provided. The additive may be an optionally substituted thiophene. | 11-27-2014 |
20140356733 | ADDITIVE FOR LITHIUM BATTERY ELECTROLYTE, ORGANIC ELECTROLYTE SOLUTION INCLUDING THE SAME AND LITHIUM BATTERY USING THE ELECTROLYTE SOLUTION - Provided are an additive for a lithium battery electrolyte, wherein the additive is an ethylene carbonate based compound represented by the following Formula 1 or 2, an organic electrolyte solution including the additive, and a lithium battery including the organic electrolyte solution: | 12-04-2014 |
20150024282 | ELECTROLYTE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY EMPLOYING THE SAME - In an aspect, a lithium secondary battery including a compound as disclosed and described herein; and an electrolyte for a lithium secondary battery including a non-aqueous organic solvent and a lithium salt is provided. | 01-22-2015 |
20150072247 | ELECTROLYTE FOR LITHIUM BATTERY, LITHIUM BATTERY INCLUDING THE SAME, AND METHOD OF MANUFACTURING ELECTROLYTE FOR LITHIUM BATTERY - An electrolyte for a lithium battery, a lithium battery including the electrolyte, and a method of preparing the electrolyte for a lithium battery. The electrolyte for a lithium battery includes a non-aqueous organic solvent; and about 0.1 wt % to about 1 wt % of lithium nitrate (LiNO | 03-12-2015 |
20150086861 | ADDITIVE FOR ELECTROLYTE OF LITHIUM BATTERY, ORGANIC ELECTROLYTE SOLUTION COMPRISING THE SAME, AND LITHIUM BATTERY USING THE ORGANIC ELECTROLYTE SOLUTION - An additive for an electrolyte of a lithium battery including a disultone-based compound represented by Formula 1 below, an organic electrolyte solution including the additive, and a lithium battery including the organic electrolyte solution are provided: | 03-26-2015 |
20150118532 | RECHARGEABLE BATTERY - A rechargeable battery includes: a case; a first electrode assembly accommodated in the case; and second and third electrode assemblies accommodated in the case at positions adjacent to the case with the first electrode assembly being disposed therebetween. The second and third electrode assemblies have thicknesses different from that of the first electrode assembly. | 04-30-2015 |
20150132626 | ELECTRODE ASSEMBLY AND SECONDARY BATTERY USING THE ELECTRODE ASSEMBLY - An electrode assembly and a secondary battery using the same are disclosed. The electrode assembly includes a positive electrode, a negative electrode, and a lithium ion conductor layer disposed at least in one of between the positive electrode and the negative electrode, on an outer surface of the positive electrode, and on an outer surface of the negative electrode, to improve thermal safety of the secondary battery. | 05-14-2015 |
20150228970 | COMPOSITE CATHODE ACTIVE MATERIAL, METHOD OF PREPARING THE SAME, AND CATHODE AND LITHIUM BATTERY INCLUDING THE COMPOSITE CATHODE ACTIVE MATERIAL - A composite cathode active material includes a material capable of intercalating or deintercalating lithium; and a solid ion conductor. A cathode and a lithium battery each include the composite cathode active material. A method of preparing a composite cathode active material includes: mixing a core including a cathode active material and a solid ion conductor; and forming a coating layer including the solid ion conductor on the core utilizing a dry method. | 08-13-2015 |