Patent application number | Description | Published |
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 |
20110223279 | NANO IMPRINT MASTER AND METHOD OF MANUFACTURING THE SAME - A nano imprint master and a method of manufacturing the same are provided. The method includes: implanting conductive metal ions into a substrate including quartz to form a conductive layer inside the quartz substrate; coating a resist on the quartz substrate in which the conductive layer is formed, to form a resist coating layer; exposing the resist coating layer to an electron beam to form micropatterns; etching the quartz substrate by using the resist coating layer, in which the micropatterns are formed, as a mask; and removing the resist coating layer to obtain a master in which micropatterns are formed. | 09-15-2011 |
20120258283 | SUPER-HYDROPHOBIC SURFACE - A super-hydrophobic surface may include a first sink pattern and a second sink pattern disposed in a base. The first sink pattern may include first sink grooves extending below an upper surface of the base. The second sink pattern may include second sink grooves which have a size smaller than that of the first sink grooves. The second sink grooves may extend below the upper surface of the base (which may also be a wall of the first sink pattern). Thus, the super-hydrophobic surface may have a structure in which at least two sink patterns are included. | 10-11-2012 |
20130064918 | Apparatus comprising substrate and conductive layer - A nano imprint master and a method of manufacturing the same are provided. The method includes: implanting conductive metal ions into a substrate including quartz to form a conductive layer inside the quartz substrate; coating a resist on the quartz substrate in which the conductive layer is formed, to form a resist coating layer; exposing the resist coating layer to an electron beam to form micropatterns; etching the quartz substrate by using the resist coating layer, in which the micropatterns are formed, as a mask; and removing the resist coating layer to obtain a master in which micropatterns are formed. | 03-14-2013 |
20140004325 | APPARATUS COMPRISING SUBSTRATE AND CONDUCTIVE LAYER | 01-02-2014 |