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 |
20090135527 | MAGNETIC RECORDING MEDIA AND METHOD OF FABRICATING THE SAME - A magnetic recording medium and a method of manufacturing the magnetic recording medium are provided. In order to increase the recording density of the magnetic recording medium, the magnetic recording medium is configured to multiple magnetic layers by consecutively forming a first magnetic layer having a thin film shape and a second magnetic layer comprising patterned magnetic bits. The first magnetic layer has a magnetic anisotropic coefficient greater than that of the second magnetic layer. | 05-28-2009 |
20090155628 | MAGNETIC THIN FILM STRUCTURE, MAGNETIC RECORDING MEDIUM INCLUDING THE SAME, AND METHOD OF MANUFACTURING THE MAGNETIC RECORDING MEDIUM - A magnetic thin film structure, a magnetic recording medium including the same, and a method of manufacturing the magnetic recording medium are provided. The magnetic recording medium includes an under layer formed of a transition metal nitride on a substrate and a plurality of magnetic dots, which are unit recording regions, formed of a magnetic material having magnetic anisotropy energy between 10 | 06-18-2009 |
20090296280 | MASTER RECORDING MEDIUM HAVING IMPROVED MAGNETIC TRANSFER PERFORMANCE - Provided is a master recording medium suitable for use in magnetic transfer of a servo pattern onto a magnetic recording medium. The master recording medium includes a substrate including a plurality of servo regions and a plurality of data regions, and a magnetic layer formed on each of the servo regions and patterned in the shape of a servo pattern to be patterned on a magnetic recording medium, wherein the servo regions protrude relative to the data regions. | 12-03-2009 |
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 |
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 |
20100273027 | Magnetic printing stamp, method of manufacturing magnetic printing stamp and magnetic printing method - A magnetic printing stamp and a magnetic printing method using the same. The magnetic printing stamp may includes a plurality of servo regions having a magnetic body pattern and a plurality of data regions having no magnetic body pattern that are alternately formed, wherein a thickness of a portion of a substrate corresponding to each of the servo regions is less than a thickness of a portion of the substrate corresponding to each of the data regions. When a servo pattern is to be magnetically printed, the magnetic printing stamp and a magnetic recording medium uniformly and completely come in contact with each other. Thus, the magnetic printing stamp and the magnetic recording medium are prevented from being contaminated or damaged. In addition, excellent magnetic printing properties corresponding to an uneven pattern may be achieved. | 10-28-2010 |
20110001205 | Image sensor and semiconductor device including the same - Example embodiments relate to a three-dimensional image sensor including a color pixel array on a substrate, a distance pixel array on the substrate, an RGB filter on the color pixel array and configured to allow visible light having a first wavelength to pass, a near infrared light filter on the distance pixel array and configured to allow near infrared light having a second wavelength to pass, and a stack type single band filter on the RGB filter and the near infrared light filter and configured to allow light having a third wavelength between the first wavelength and the second wavelength to pass. According to example embodiments, a semiconductor device may include a color pixel array on a substrate; a distance pixel array on the substrate; a light-inducing member on the color pixel array and the distance pixel array; a RGB filter on the light-inducing member and configured to allow visible light to pass; a near infrared light filter on the light-inducing member and configured to allow near infrared light to pass; and a plurality of lenses on the RGB filter and the near infrared light filter. | 01-06-2011 |
20110013055 | Optical sensor and semiconductor device - Example embodiments are directed to a semiconductor device including a color pixel array on a substrate; a distance pixel array on the substrate; a light-inducing member on the color pixel array and the distance pixel array; an infrared light cut filter on the light-inducing member and configured to block infrared light; a near infrared light filter on the light-inducing member and configured to allow near infrared light to pass; and an RGB filter on the light-inducing member and configured to allow visible light to pass. According to example embodiments, a method of manufacturing a semiconductor device may include forming a color pixel array on a substrate; forming a distance pixel array on the substrate; forming a light-inducing member on the color pixel array and the distance pixel array; forming an infrared light cut filter on the light-inducing member; forming a near infrared light filter on the light-inducing member; forming a RGB filter on the light-inducing member; and forming a plurality of lenses on the infrared light cut filter and the near infrared light filter. | 01-20-2011 |
20110102547 | Three-Dimensional Image Sensors and Methods of Manufacturing the Same - Image sensors include three-dimensional (3D) color image sensors having an array of sensor pixels therein. A 3-D color image sensor may include a 3-D image sensor pixel having a plurality of color sensors and a depth sensor therein. The plurality of color sensors may include red, green and blue sensors extending adjacent the depth sensor. A rejection filter is also provided. This rejection filter, which extends opposite a light receiving surface of the 3-D image sensor pixel, is configured to be selectively transparent to visible and near-infrared light relative to far-infrared light. The depth sensor may also include an infrared filter that is selectively transparent to near-infrared light having wavelengths greater than about 700 nm relative to visible light. | 05-05-2011 |