Jae Chang
Jae Chang Jung, Seoul KR
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20090042140 | ANTI-REFLECTIVE POLYMER, ANTI-REFLECTIVE COMPOSITION CONTAINING THE SAME, AND METHOD FOR FORMING PATTERN USING THE SAME - A polymer for crosslinking an anti-reflective film has a high refractive index. An anti-reflective composition containing the polymer for crosslinking is useful in an immersion lithography process using ArF (193 nm) of a semiconductor device manufacturing process. | 02-12-2009 |
20090042141 | ANTI-REFLECTIVE POLYMER, ANTI-REFLECTIVE COMPOSITION CONTAINING THE SAME, AND METHOD FOR FORMING PATTERN USING THE SAME - A polymer for crosslinking an anti-reflective film has a high refractive index. An anti-reflective composition containing the polymer is useful in a damascene process and an immersion lithography process using ArF (193 nm) of a semiconductor device manufacturing process. | 02-12-2009 |
20090191709 | Method for Manufacturing a Semiconductor Device - A polymer for immersion lithography comprising a repeating unit represented by Formula 1 and a photoresist composition containing the same. A photoresist film formed by the photoresist composition of the invention is highly resistant to dissolution, a photoacid generator in an aqueous solution for immersion lithography, thereby preventing contamination of an exposure lens and deformation of the photoresist pattern by exposure. | 07-30-2009 |
20090258498 | Method for Manufacturing a Semiconductor Device - A method for manufacturing a semiconductor device using a photoresist polymer comprising a fluorine component, a photoresist composition containing the photoresist polymer and an organic solvent to reduce surface tension, by forming a photoresist film uniformly on the whole surface of an underlying layer pattern to allow a subsequent ion-implanting process to be stably performed. | 10-15-2009 |
20090298291 | METHOD FOR FORMING A PATTERN OF A SEMICONDUCTOR DEVICE - In a method for forming a pattern of a semiconductor device, an ultra fine pattern is formed using a spacer patterning technology to overcome resolution limits of an exposer. A silicon-containing resist enhancement lithography assisted by a chemical shrink (RELACS) layer is formed with a spin-con-coating method in a track apparatus over a photoresist pattern. As a result, a cross-linking reaction is generated between the RELACS layer and the photoresist patterns to form the spacer, and the spacer is used as a mask in the patterning process. | 12-03-2009 |
20100173249 | Method for Manufacturing a Semiconductor Device - Disclosed herein is a composition for removing an immersion lithography solution. The composition includes an organic solvent and an acid compound. Also disclosed is a method for manufacturing a semiconductor device including an immersion lithography process. When a photoresist pattern is formed by the immersion lithography process, an exposure process is performed on a photoresist film formed over an underlying layer with an immersion lithography exposer. Then, the composition is dripped over the wafer to remove residual immersion lithography solution on the photoresist film, thereby improving a water mark defect phenomenon. | 07-08-2010 |
20100176492 | Method for Forming a Pattern on a Semiconductor Using an Organic Hard Mask - A composition for the organic hard mask includes a polyamic acid compound, and a method for forming a pattern is used in a manufacturing process of semiconductor devices by coating the composition for organic hard mask film on an underlying layer, and depositing a second hard mask film with a silicon nitride SiON film thereon to form a double hard mask film having an excellent etching selectivity, thereby obtaining a uniform pattern. | 07-15-2010 |
20110275746 | Pattern Hardening Coating Agent - A pattern hardening coating agent useful in a method for forming a fine pattern, comprising: an addition copolymer comprising a repeating unit derived from a fluoro alkyl (meth)acrylic ester and a repeating unit derived from a glycidyl (meth) acrylic ester and an organic solvent. | 11-10-2011 |
Jae Chang Kim, Changwon-Si KR
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20090194867 | INTEGRATED CIRCUIT PACKAGE SYSTEM WITH INTERNAL STACKING MODULE ADHESIVE - An integrated circuit package system comprising: providing a substrate; forming a base assembled package over the substrate; forming a top package over the base assemble package; and applying a top package stacking material for stand-off or insulation to the base assembled package and the top package. | 08-06-2009 |
Jae Chang Kim, Daegu KR
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20150321166 | METHOD OF MANUFACTURING LITHIUM SILICATE-BASED HIGH-TEMPERATURE DRY SORBENT FOR REMOVING CARBON DIOXIDE AND HIGH-TEMPERATURE DRY CARBON DIOXIDE SORBENT - Provided are a method of manufacturing a lithium silicate-based high-temperature dry sorbent for removing carbon dioxide and a high-temperature dry sorbent. The manufacturing method includes forming a mixed raw material by mixing a lithium precursor, silicon oxide and a metal oxide, obtaining a lithium silicate solid by drying the mixed raw material, and baking the obtained lithium silicate solid. | 11-12-2015 |
Jae Chang Kwon, Chilgok-Gun KR
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20100207122 | Thin film transistor array substrate and manufacturing method thereof - A thin film transistor array substrate is disclosed. The thin film transistor array substrate includes: gate lines and data lines formed to cross each other in the center of a gate insulation film on a substrate and to define pixel regions; a thin film transistor formed at each intersection of the gate and data lines; a passivation film formed on the thin film transistors; a pixel electrode formed on each of the pixel regions and connected to the thin film transistor through the passivation film; a gate pad connected to each of the gate lines through a gate linker; and a data pad connected to each of the data lines through a data linker. The data pad is formed of a gate pattern, and the data line is formed of a data pattern. The data linker is configured to connect the data pad formed of the gate pattern with the data line formed of the data pattern using a connection wiring. Also, the data linker includes the gate pattern connected to the data pad, the data pattern formed opposite to the gate pattern in the center of the gate insulation film, and the connection wiring configured to connect the gate pattern with the data pattern through a first contact hole which exposes the data pattern and the gate pattern by penetrating through the passivation film and the gate insulation film. | 08-19-2010 |
Jae Chang Kwon, Gyeongbuk KR
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20130153907 | THIN FILM TRANSISTOR ARRAY SUBSTRATE AND MANUFACTURING METHOD THEREOF - A thin film transistor array substrate is disclosed. The thin film transistor array substrate includes: gate lines and data lines formed to cross each other in the center of a gate insulation film on a substrate and to define pixel regions; a thin film transistor formed at each intersection of the gate and data lines; a passivation film formed on the thin film transistors; a pixel electrode formed on each of the pixel regions and connected to the thin film transistor through the passivation film; a gate pad connected to each of the gate lines through a gate linker; and a data pad connected to each of the data lines through a data linker. The data pad is formed of a gate pattern, and the data line is formed of a data pattern. The data linker is configured to connect the data pad formed of the gate pattern with the data line formed of the data pattern using a connection wiring. Also, the data linker includes the gate pattern connected to the data pad, the data pattern formed opposite to the gate pattern in the center of the gate insulation film, and the connection wiring configured to connect the gate pattern with the data pattern through a first contact hole which exposes the data pattern and the gate pattern by penetrating through the passivation film and the gate insulation film. | 06-20-2013 |
Jae Chang Kwon, Gumi-Si KR
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20140131713 | ARRAY SUBSTRATE OF LIQUID CRYSTAL DISPLAY DEVICE AND METHOD OF FABRICATING THE SAME - An array substrate of a liquid crystal display device and a method of fabricating the array substrate. A gate electrode of a thin film transistor of the array substrate is formed. The gate electrode has an edge region surrounding an interior region of the gate electrode and the edge region of the gate electrode is thicker than the interior region of the gate electrode. A semiconductor layer is formed over the gate electrode. A source electrode and a drain electrode of the thin film transistor are formed that define a channel region in the semiconductor layer. The channel region is located over the interior region of the gate electrode. Additionally, the gate electrode may be formed with a half-tone mask that results in the edge region of the gate electrode being thicker than the interior region of the gate electrode. | 05-15-2014 |
20150179687 | Array Substrate of Liquid Crystal Display Device and Method of Fabricating the Same - An array substrate of a liquid crystal display device and a method of fabricating the array substrate. A gate electrode of a thin film transistor of the array substrate is formed. The gate electrode has an edge region surrounding an interior region of the gate electrode and the edge region of the gate electrode is thicker than the interior region of the gate electrode. A semiconductor layer is formed over the gate electrode. A source electrode and a drain electrode of the thin film transistor are formed that define a channel region in the semiconductor layer. The channel region is located over the interior region of the gate electrode. Additionally, the gate electrode may be formed with a half-tone mask that results in the edge region of the gate electrode being thicker than the interior region of the gate electrode. | 06-25-2015 |
Jae Chang Lee, Asan-Si KR
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20140182335 | METHOD OF CUTTING CHEMICALLY TOUGHENED GLASS - A method of cutting chemically toughened glass which is chemically toughened in a chemical toughening process of creating compressive stress in the surface of glass by exchanging first alkali ions in the glass with second alkali ions. The method includes the steps of applying a paste on a portion of the chemically toughened glass that is to be cut, heating the paste, and cutting the chemically toughened glass along the portion on which the paste is applied. The paste contains alkali ions. The ion radius of the alkali ions in the paste is smaller than an ion radius of the second alkali ions which substitute the first ions in the chemical toughening process. | 07-03-2014 |
Jae Chang Lee, Osan KR
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20130135395 | SILICON SUBSTRATE, METHOD OF MANUFACTURING THE SAME, AND INKJET PRINT HEAD - There is provided a silicon substrate including: a first connection part connected to a manifold and having a first width of a first size; a second connection part connected to a pressure chamber and having a second width of a second size; and a restrictor part connecting the first connection part to the second connection part and having a third width of a third size smaller than the first size or the second size, wherein a boundary part connecting the restrictor part to the first connection part or the restrictor part to the second connection part is formed to be curved. | 05-30-2013 |
20130135396 | INKJET PRINT HEAD - There is provided an inkjet print head, including: a first substrate in which a first restrictor and a pressure chamber are formed; and a second substrate in which a manifold, a second restrictor, and a nozzle are formed, wherein the first restrictor is connected to the manifold and the second restrictor, and the second restrictor is connected to the first restrictor and the pressure chamber. | 05-30-2013 |
Jae Chang Lee, Suwon KR
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20130342610 | PIEZOELECTRIC ACTUATOR, INKJET HEAD ASSEMBLY AND METHOD OF MANUFACTURING THE SAME - There are provided a piezoelectric actuator, an inkjet head assembly, and a method of manufacturing the same. The piezoelectric actuator includes upper and lower electrodes providing a driving voltage; and a piezoelectric body provided between the upper and lower electrodes and providing driving force to ink within each of a plurality of pressure chambers provided in an inkjet head, wherein the piezoelectric body includes branch portions separately provided on an upper portion of each of the plurality of pressure chambers and a large area portion connected to one end of each of the plurality of branch portions and integrally formed, and a connective electrode pattern is provided on a portion of each of the upper electrodes corresponding to the large area portion. | 12-26-2013 |
20140152747 | INKJET PRINT HEAD - There is provided an inkjet print head having a stable filter structure. The inkjet print head includes a vibration substrate including a first filter formed therein; and a channel forming substrate including a second filter and a pressure chamber formed therein, the second filter being connected to the first filter. | 06-05-2014 |
20140176645 | PIEZOELECTRIC ACTUATOR, INKJET PRINT HEAD ASSEMBLY, AND METHOD OF MANUFACTURING THE PIEZOELECTRIC ACTUATOR AND THE INKJET PRINT HEAD ASSEMBLY - A piezoelectric actuator includes upper and lower electrodes providing driving voltages and a piezoelectric film formed between the upper and lower electrodes and providing a driving force to ink in a plurality of pressure chambers formed on an inkjet print head, respectively. The piezoelectric film may include a plurality of basin parts individually formed on respective tops of the plurality of pressure chambers and a large-area part connected to the plurality of basin parts, respectively, at one ends of the plurality of basin parts and formed as a single body. The large-area part may include an etching groove formed on an extended line of a basin line partitioning the basin parts. | 06-26-2014 |
20150145380 | PIEZOELECTRIC ACTUATOR - There is provided a piezoelectric actuator including: a piezoelectric member having a multilayer structure; an external electrode formed on an outer surface of the piezoelectric member; and an intermediate electrode formed between layers of the piezoelectric members and having an area smaller than that of the external electrode. | 05-28-2015 |
Jae Chang Lee, Chungcheongnam-Do KR
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20140042202 | Cutting Method And Cutting Stage Of Toughened Glass - A cutting method and cutting stage of toughened glass with which a piece of toughened glass is divided into unit pieces of toughened glass. The cutting method cuts a piece of toughened glass which is strengthened by forming a compressive stress in the surface of a raw glass plate. The method includes the steps of reducing the central tension inside a cutting portion of the piece of toughened glass that is to be cut by concavely bending the cutting portion; and cutting the piece of toughened glass by forming a median crack in the cutting portion. | 02-13-2014 |
Jae Chang Lee, Suwon-Si KR
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20140182375 | ANGULAR VELOCITY SENSOR - Disclosed herein is an angular velocity sensor including: first and second mass bodies; a first frame provided at an outer side of the first and second mass bodies; a first flexible part connecting the first and second mass bodies to the first frame in a Y axis direction, respectively; a second flexible part connecting the first and second mass bodies to the first frame in an X axis direction, respectively; a second frame provided at an outer side of the first frame; a third flexible part connecting the first and second frames to each other in the X axis direction; and a fourth flexible part connecting the first and second frames to each other in the Y axis direction, wherein the first frame has a thickness in a Z axis direction thinner than that of the second frame. | 07-03-2014 |
20150096374 | ANGULAR VELOCITY SENSOR AND MANUFACTURING METHOD OF THE SAME - Disclosed herein is an angular velocity sensor, including: a mass body part; an internal frame supporting the mass body part; a first flexible part each connecting the mass body part to the internal frame; a second flexible part each connecting the mass body part to the internal frame; an external frame supporting the internal frame; a third flexible part connecting the internal frame and the external frame to each other; and a fourth flexible part connecting the internal frame and the external frame to each other, wherein the internal frame, the second flexible part, and the fourth flexible part have an oxide layer formed thereon. | 04-09-2015 |
Jae Chang Lee, Pyeongtaek Si KR
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20140147198 | ONE-TOUCH TYPE QUICK COUPLER FOR CONNECTING STEEL BARS - Disclosure relates to a method of sharing a session key between wireless communication terminals using a variable-length authentication code. The method includes: generating a public key by using an own private key; generating a message including the public key and a first random number and encoding the message using an own secret key to exchange an encrypted message with the other terminal; decoding the encrypted message of the other terminal by receiving a secret key of the other terminal; generating an authentication code by calculating the first random number and a second random number included in the decoded message; obtaining a medium value from the authenticated code; and generating a session key by using a public key included in the decoded message of the other terminal. | 05-29-2014 |
Jae-Chang Choi, Gyeonggi-Do KR
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20120236588 | BACKLIGHT ASSEMBLY AND DISPLAY APPARATUS HAVING THE SAME - A backlight assembly includes a light guiding plate and a plurality of first light sources. The light guiding plate includes a light exiting surface through which light can exit, a light guiding surface positioned opposite to the light exiting surface, and a first surface extending between the light guiding surface and the light exiting surface and inclined with respect to the light guiding surface by a first angle. The first angle is an acute angle. The first light sources can generate light, and are disposed under the light guiding plate. These first light sources are disposed adjacent to a first edge connecting the first surface with the light guiding surface. | 09-20-2012 |
Jae-Chang Kim, Dongrae-Gu KR
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20090207116 | LIQUID CRYSTAL DISPLAY - A liquid crystal display includes a first substrate, a first field generating electrode formed on the first substrate, a second substrate facing the first substrate, a second field generating electrode formed on the second substrate, and a liquid crystal layer formed between the first field generating electrode and the second field generating electrode, wherein at least one of the first field generating electrode and the second field generating electrode includes zinc aluminum oxide (ZAO), and the driving voltage is in a range of about 3.7 volts to about 5.6 volts for a transmittance of 90% (T | 08-20-2009 |
20090284672 | Liquid Crystal Display and Method for Manufacturing the Same - A liquid crystal display includes a first substrate, a second substrate facing an inside surface of the first substrate with a predetermined interval therebetween, a first electrode and a second electrode formed on at least one of the first substrate and the second substrate, partitions formed between the first substrate and the second substrate and dividing the space between the first substrate and the second substrate into a plurality of sub-spaces, and an OCB mode liquid crystal filled in the sub-spaces. The liquid crystal display is driven through a change of a bend arrangement by applying a second voltage that is less than the first voltage between the first electrode and the second electrode after being transitioned from an initial splay arrangement to a bend arrangement by applying a first voltage between the first electrode and the second electrode. | 11-19-2009 |
Jae-Chang Kim, Busan Metropolitan City KR
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20120194763 | REFLECTIVE AND TRANSPARENT LIQUID CRYSTAL DISPLAY DEVICE - A transflective liquid crystal display includes a liquid crystal panel including a first substrate, a second substrate, a liquid crystal layer, the first and second substrates arranged to face each other and the liquid crystal layer between the first and second substrates, a reflection polarizer and an absorption polarizer at opposing outer sides of the liquid crystal panel, and a backlight unit at an outer side of the liquid crystal panel and supplying light to the inside of the liquid crystal panel. A reflective axis of the reflection polarizer is parallel with a transmissive axis of the absorption polarizer, the transmissive axis of the reflection polarizer perpendicularly crosses the transmissive axis of the absorption polarize, and the liquid crystal layer includes liquid crystal molecules and a dichroic dye. | 08-02-2012 |
Jae-Chang Park, Daejeon KR
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20110150162 | AUTOMATED PERIODIC SURVEILLANCE TESTING METHOD AND APPARATUS IN DIGITAL REACTOR PROTECTION SYSTEM - Provided is an automated periodic surveillance testing method and apparatus in a digital reactor protection system, which unites a passive testing means such as a self-diagnosis or an on-line state comparison with an active testing means such as an automatic logic test and the like in the digital reactor protection system. Accordingly, a device self-diagnosis, an on-line state diagnosis, and an automatic logic test are used as the automated periodic surveillance testing method in the digital reactor protection system. Thus, the time consumed in a periodic surveillance test can be minimized, thereby saving reactor operating costs, and excessive manpower can be avoided, thereby decreasing potential human errors. Also, a channel detour time at which one of multiple channels is detoured can be minimized based on the automated periodic surveillance test in the digital reactor protection system, thereby enhancing stability. | 06-23-2011 |