Patents by Inventor Soo-hwan Jeong

Soo-hwan Jeong has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20050188444
    Abstract: Provided are a method of horizontally growing carbon nanotubes and a carbon nanotube device. The method includes: depositing an aluminum layer on a substrate; forming an insulating layer over the substrate to cover the aluminum layer; patterning the insulating layer and the aluminum layer on the substrate to expose a side of the aluminum layer; forming a plurality of holes in the exposed side of the aluminum layer to a predetermined depth; depositing a catalyst metal layer on the bottoms of the holes; and horizontally growing the carbon nanotubes from the catalyst metal layer. The carbon nanotubes can be grown in directions rather that horizontally relative to the substrate when laid flat.
    Type: Application
    Filed: January 18, 2005
    Publication date: August 25, 2005
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Soo-hwan Jeong, Wan-jun Park, In-kyeong Yoo, Ju-hye Ko
  • Publication number: 20050145835
    Abstract: An emitter for an electron-beam projection lithography (EPL) system and a manufacturing method therefor are provided. The electron-beam emitter includes a substrate, an insulating layer overlying the substrate, and a gate electrode including a base layer formed on top of the insulating layer to a uniform thickness and an electron-beam blocking layer formed on the base layer in a predetermined pattern. The manufacturing method includes steps of: preparing a substrate; forming an insulating layer on the substrate; forming a base layer of a gate electrode by depositing a conductive metal on the insulating layer to a predetermined thickness; forming an electron-beam blocking layer of the gate electrode by depositing a metal capable of anodizing on the base layer to a predetermined thickness; and patterning the electron-beam blocking layer in a predetermined pattern by anodizing. The emitter provides a uniform electric field within the insulating layer and simplify the manufacturing method therefor.
    Type: Application
    Filed: February 15, 2005
    Publication date: July 7, 2005
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: In-kyeong Yoo, Chang-wook Moon, Soo-hwan Jeong, Dong-wook Kim
  • Patent number: 6913984
    Abstract: A method of fabricating memory with nano dots includes sequentially depositing a first insulating layer, a charge storage layer, a sacrificial layer, and a metal layer on a substrate in which source and drain electrodes are formed, forming a plurality of holes on the resultant structure by anodizing the metal layer and oxidizing portions of the sacrificial layer that are exposed through the holes, patterning the charge storage layer to have nano dots by removing the oxidized metal layer, and etching the sacrificial layer and the charge storage layer using the oxidized sacrificial layer as a mask, and removing the oxidized sacrificial layer, depositing a second insulating layer and a gate electrode on the patterned charge storage layer, and patterning the first insulating layer, the patterned charge storage layer, the second insulating layer, and the gate electrode to a predetermined shape, for forming memory having uniformly distributed nano-scale storage nodes.
    Type: Grant
    Filed: December 23, 2003
    Date of Patent: July 5, 2005
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: In-sook Kim, Sun-ae Seo, In-kyeong Yoo, Soo-hwan Jeong
  • Publication number: 20050136463
    Abstract: A method for isolating a nucleic acid is provided. The method includes mixing a nucleic acid-containing sample, a salt solution, and alumina; isolating the alumina having the nucleic acid attached thereto from the liquid; washing the alumina having the nucleic acid attached thereto; and eluting the nucleic acid from the alumina.
    Type: Application
    Filed: December 17, 2004
    Publication date: June 23, 2005
    Inventors: Joon-ho Kim, Yoon-kyoung Cho, Geun-bae Lim, Soo-hwan Jeong
  • Publication number: 20040178405
    Abstract: An emitter for an electron-beam projection lithography (EPL) system and a manufacturing method therefor are provided. The electron-beam emitter includes a substrate, an insulating layer overlying the substrate, and a gate electrode including a base layer formed on top of the insulating layer to a uniform thickness and an electron-beam blocking layer formed on the base layer in a predetermined pattern. The manufacturing method includes steps of: preparing a substrate; forming an insulating layer on the substrate; forming a base layer of a gate electrode by depositing a conductive metal on the insulating layer to a predetermined thickness; forming an electron-beam blocking layer of the gate electrode by depositing a metal capable of anodizing on the base layer to a predetermined thickness; and patterning the electron-beam blocking layer in a predetermined pattern by anodizing. The emitter provides a uniform electric field within the insulating layer and simplify the manufacturing method therefor.
    Type: Application
    Filed: October 1, 2003
    Publication date: September 16, 2004
    Applicant: Samsung Electronics Co., Ltd
    Inventors: In-Keyong Yoo, Chang-Wook Moon, Soo-Hwan Jeong, Dong-Wook Kim
  • Publication number: 20040137704
    Abstract: A method of fabricating memory with nano dots includes sequentially depositing a first insulating layer, a charge storage layer, a sacrificial layer, and a metal layer on a substrate in which source and drain electrodes are formed, forming a plurality of holes on the resultant structure by anodizing the metal layer and oxidizing portions of the sacrificial layer that are exposed through the holes, patterning the charge storage layer to have nano dots by removing the oxidized metal layer, and etching the sacrificial layer and the charge storage layer using the oxidized sacrificial layer as a mask, and removing the oxidized sacrificial layer, depositing a second insulating layer and a gate electrode on the patterned charge storage layer, and patterning the first insulating layer, the patterned charge storage layer, the second insulating layer, and the gate electrode to a predetermined shape, for forming memory having uniformly distributed nano-scale storage nodes.
    Type: Application
    Filed: December 23, 2003
    Publication date: July 15, 2004
    Inventors: In-Sook Kim, Sun-Ae Seo, In-Kyeong Yoo, Soo-Hwan Jeong
  • Publication number: 20040096617
    Abstract: An optical recording medium having a phase transition material film and a method of manufacturing the optical recording medium are provided. In the method, first, a phase transition material film, a sacrificial film, and a metal film are sequentially stacked on a substrate. Next, the metal film is anodized to form a metal oxide film having a plurality of holes, and portions of the sacrificial film exposed through the holes are anode-oxidized to form oxide films. Thereafter, the phase transition material film is patterned by removing the metal oxide film and by etching the sacrificial film and the phase transition material film using the oxide films as a mask. Then, the oxide films are removed from the sacrificial film, and an upper insulation film, a reflection film, and a protection film are deposited on the upper surface of the patterned phase transition material film.
    Type: Application
    Filed: May 20, 2003
    Publication date: May 20, 2004
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: In-Kyeong Yoo, Soo-Hwan Jeong, In-Sook Kim