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| 20090087793 | METHOD OF NANO-PATTERNING USING SURFACE PLASMON EFFECT AND METHOD OF MANUFACTURING NANO-IMPRINT MASTER AND DISCRETE TRACK MAGNETIC RECORDING MEDIA USING THE NANO-PATTERNING METHOD - A method of nano-patterning, a method of manufacturing a nano-imprinting master and a discrete track magnetic recording medium are all provided. The method of nano-patterning includes (a) sequentially forming on a substrate an etching object material layer, a photoresist layer, and a metal layer patterned to a first pattern having a structure in which line patterns are repeatedly arranged with a predetermined interval; (b) irradiating light onto a surface of the metal layer to excite surface plasmon so that the photoresist layer is exposed to a second pattern by the surface plasmon; (c) removing the metal layer and developing the photoresist layer; and (d) etching the etching object material layer using the photoresist layer patterned to the second pattern as a mask. | 04-02-2009 |
| 20090147397 | PATTERNED MAGNETIC RECORDING MEDIUM AND METHOD OF RECORDING TRACK INFORMATION ONTO THE SAME - Provided are a patterned magnetic recording medium and a method of recording track information onto the patterned magnetic recording medium. The patterned magnetic recording medium includes: a data sector comprising a plurality of magnetic recording regions which are spaced apart from one another, wherein the magnetic recording regions constitute a plurality of tracks which are each shaped like a ring; and a servo sector comprising servo patterned regions and correction code regions, which are each provided on each of the plurality of tracks, wherein information regarding a track that is to be actually used in a hard disk drive (HDD) is recorded on a correction code region of at least one track of the plurality of tracks. | 06-11-2009 |
| 20090147402 | PATTERNED MAGNETIC RECORDING MEDIUM AND METHOD OF SELF SERVO WRITING ONTO THE SAME - Provided are a patterned magnetic recording medium and a method of self servo writing in which servo information is written on the patterned magnetic recording medium. The patterned magnetic recording medium includes: a data sector including a plurality of magnetic recording regions spaced apart from one another, wherein the magnetic recording regions constitute a plurality of tracks which are each shaped like a ring; and a servo sector on which servo information regarding the tracks is capable of being written along the tracks, wherein only to a part of the tracks of the servo sector, servo information regarding the part of the tracks is written in the form of a physical servo pattern which is formed by physically patterning a magnetic recording layer. | 06-11-2009 |
| 20090252023 | INTEGRATED OPTICAL SYSTEM AND METHOD OF MANUFACTURING THE SAME AND INFORMATION RECORDING AND/OR REPRODUCING APPARATUS USING THE INTEGRATED OPTICAL SYSTEM - An optical system and an information apparatus using the optical system are provided. The optical system includes an optical bench on which a light source and a photodetector including a main photodetector receiving the light are mounted. A lens unit is coupled to the optical bench, and an optical path separating member separates an optical path of light emitted from the light source and propagating toward the lens unit and an optical path of light incident from the lens unit. The optical system may include a monitor photodetector and/or an optical path forming unit coupled to the optical bench. The monitor photodetector receives a portion of the light emitted from the light source. The optical path forming unit includes a first mirror reflecting the light emitted from the light source and a second mirror reflecting the light incident from the lens unit and reflected by the first mirror. | 10-08-2009 |
| 20090297889 | MASTER RECORDING MEDIUM FOR MAGNETICALLY TRANSFERRING SERVO PATTERN TO THE MAGNETIC RECORDING MEDIUM AND METHOD OF MANUFACTURING THE SAME - Provided are a master recording medium and a method of manufacturing the master recording medium. The master recording medium includes: a plate; and a magnetic layer which is formed on the plate for magnetically transferring of a servo pattern that is to be formed on a magnetic recording medium. The method of manufacturing a master recording medium includes: engraving a polymer layer by nano imprinting to form an engraved pattern corresponding to a servo pattern to be formed on a magnetic recording medium; forming a magnetic layer which fills in the engraved pattern of the polymer layer; forming a back plate layer on the magnetic layer; and performing processing to expose the servo pattern on a surface of the magnetic layer that is opposite a surface of the magnetic layer on which the back plate layer is formed. | 12-03-2009 |
| 20100091224 | Photonic crystal optical filter, reflective color filter, display apparatus using the reflective color filter, and method of manufacturing the reflective color filter - Example embodiments relate to a photonic crystal optical filter, a reflective color filter using the photonic crystal optical filter, a display apparatus using the reflective color filter, and a method of manufacturing the reflective color filter. The photonic crystal optical filter may include a transparent substrate; a barrier layer formed on the transparent substrate; and a photonic crystal layer formed on the barrier layer. The photonic crystal layer may have a structure in which a first material having a relatively high refractive index and a second material having a relatively low refractive index are periodically arranged so as to reflect light having a wavelength band corresponding to a photonic band gap. | 04-15-2010 |
| 20100091225 | Photonic crystal optical filter, transmissive color filter, transflective color filter, and display apparatus using the color filters - Example embodiments relate to a photonic crystal optical filter, a transmissive color filter, a transflective color filter, and a display apparatus using the photonic crystal optical filter. The transmissive color filter may include a transparent substrate; a barrier layer formed on the transparent substrate and having a plurality of pixel areas; and a plurality of photonic crystal units formed on the plurality of pixel areas. Each of the plurality of photonic crystal units may have a structure such that a first material having a relatively high refractive index and a second material having a relatively low refractive index are periodically arranged so as to transmit light having a wavelength band corresponding to a photonic band gap. An optical cut-off layer may be formed on the first material. | 04-15-2010 |
| 20100102028 | METHOD OF MANUFACTURING NANO-TEMPLATE FOR A HIGH-DENSITY PATTERNED MEDIUM AND HIGH-DENSITY MAGNETIC STORAGE MEDIUM USING THE SAME - Disclosed is a method for manufacturing a template for a high-density patterned medium and a high-density magnetic storage medium using the same. In the method, magnetic particles are used as a mask and no lithographic process is required. | 04-29-2010 |
| 20110170042 | Reflective color filters and display devices including the same - A reflective color filter may include a substrate, a photonic crystal layer including a plurality of photonic crystal patterns, and a light energy conversion device. The substrate may be between the light energy conversion device and the photonic crystal patterns. A reflective display device may include a liquid crystal layer having a light transmittance that is electrically controlled, a thin film transistor (TFT)-array layer including a plurality of TFTs for driving the liquid crystal layer according to image information, and a reflective color filter adapted to reflect light having a wavelength band corresponding to a photonic band gap from among light incident through the liquid crystal layer. | 07-14-2011 |
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| 20110193919 | INK JET PRINTER MODULE AND PRINTER USING THE SAME - An ink jet printer module is disclosed, which comprises a module body which forms an outer structure of the module; an ink inlet port, a washing liquid inlet port and a pneumatic inlet port which are provided at the module body and are connected with the main ink tank, the washing liquid tank and the pneumatic pump, respectively; an ink flow path, a washing liquid flow path, and a pneumatic flow path which are provided in the interior of the module body and communicate with the ink inlet port, the washing liquid inlet port and the pneumatic inlet port, respectively; a common flow path which is provided in the interior of the module body and selectively communicates with either the washing liquid flow path or the washing liquid flow path, so that the pneumatic and washing liquid can be selectively inputted; an ink opening and closing valve which is provided at the module body for controlling the opening and closing of the ink flow path; a pneumatic and washing liquid selection valve which is provided in the module body and controls either the pneumatic or the washing liquid to be selectively inputted into the common low path; an ink discharge port which is provided in the module body and discharges the ink of the ink flow path to the outside of the module body in accordance with a control of the ink opening and closing valve; and a common discharge port which is provided in the module body and discharges either the pneumatic or the washing liquid of the common flow path to the outside of the module body in accordance with a control of the pneumatic and washing liquid selection valve. | 08-11-2011 |
| 20110193921 | PRINTER BED AND INK JET PRINTER USING THE SAME - An ink jet printer bed in which a printing object placed on a bed is stably fixed by means of air suction and is printed, is disclosed, which comprises a plurality of upper plates having a plurality of air suction ports on their front surfaces; an intermediate plate which is formed of a guide space of which intermediate portion is open via its upper lower sides, the intermediate plate being assembled to a lower side of the upper plate; a lower plate which is assembled to a lower side of the intermediate portion and is formed of at least one air passage; a connection part which is assembled to each air passage of the lower plate and is connected with a suction pump; and a sensor which detects an air pressure in the interior of the bed and transmits a result of the detection to a controller which controls the operation of the suction pump, so the air pressure of the interior of the bed by the suction pump can be adjusted. | 08-11-2011 |
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| 20080291249 | Ink recharging system for ink cartridge, bulk ink cartridge used in said system, and ink recharging method using them - The present invention relates to an ink recharging system in which the ink can be recharged into a used ink cartridge repeatedly, a bulk ink cartridge used in the system, and a method for recharging the ink into the ink cartridge using them. The ink recharging system for the ink cartridge installed in an inkjet printer comprises a compressor and a positive pressure tank for providing the compression force to supply the ink stored in the quantitative ink supply cylinder to the ink cartridge, a charging cylinder for applying the compression force and the suction force to the quantitative ink supply cylinder, automatic quantitative position control means for measuring the movement displacement of the charging cylinder, a vacuum pump and a negative pressure tank for producing a vacuum in the ink cartridge, and a compressed air supply tube diverged and connected to the inlet and outlet of the charging cylinder from the positive pressure tank via the solenoid valve for air pressure. The present invention provides a recharging system for the ink cartridge and a method for recharging the ink cartridge, in which the remaining air or ink in the recycled ink cartridge can be easily discharged and vacuum degree of the ink cartridge can be precisely controlled by the control means for the quantitative position, to thereby charge the quantitative ink into the recycled ink cartridge rapidly and accurately, and relates to a bulk ink cartridge which can prevent wrong installment with simple identifying members. | 11-27-2008 |
| 20110174950 | INK-CARTRIDGE LOADING/UNLOADING APPARATUS - The present invention relates to an ink-cartridge loading/unloading apparatus used in various devices onto which an ink-cartridge is capable of minimizing damage of a flexible printed wiring board of the ink-cartridge. The ink-cartridge loading/unloading apparatus according to the present invention comprises a vertically extending main body having a support portion; a mounting part connected to the front surface of the main body; and a coupling part connecting the main body and the mounting part. A metal coupling bar or a magnetic substance inserted in a coupling bar is attached to an electromagnet provided in a side of the main body, whereby the mounting part is coupled to the main body. The mounting part is released from a coupled state by pressing a button bar with an external force, and an elastic means is further provided between the mounting part and the main body. | 07-21-2011 |
