Patents by Inventor Sung-Il Chang

Sung-Il Chang 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: 20110085385
    Abstract: Provided are nonvolatile memory devices and methods of operating thereof. The nonvolatile memory devices include: dummy cells connected to a dummy bit line; and a dummy bit line bias circuit providing a dummy bit line voltage to the dummy bit line during a program operation, wherein, due to the dummy bit line voltage, at least one of the dummy cells is programmed with a threshold voltage lower than the top programmed state and higher than an erased state during the program operation.
    Type: Application
    Filed: October 11, 2010
    Publication date: April 14, 2011
    Inventors: Chan Park, Changseok Kang, Sung-Il Chang, Youngwoo Park, Jongsun Sel, Jintaek Park
  • Publication number: 20100309729
    Abstract: A nonvolatile memory device and method of manufacturing the same are provided. In the nonvolatile memory device, a blocking insulation layer is provided between a trap insulation layer and a gate electrode. A fixed charge layer spaced apart from the gate electrode is provided in the blocking insulation layer. Accordingly, the reliability of the nonvolatile memory device is improved.
    Type: Application
    Filed: June 17, 2010
    Publication date: December 9, 2010
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sung-Il Chang, Changseok Kang, Jungdal Choi
  • Publication number: 20100133604
    Abstract: A semiconductor device and a method of fabricating the same are provided. The semiconductor device includes a first dielectric pattern, a data storage pattern and a second dielectric pattern, which are sequentially stacked on a semiconductor substrate. A first conductive pattern is provided on the second dielectric pattern. A second conductive pattern having a greater width than the first conductive pattern is provided on the first conductive pattern.
    Type: Application
    Filed: November 20, 2009
    Publication date: June 3, 2010
    Inventors: Ju-Hyung Kim, Chang-Seok Kang, Sung-Il Chang, Young-Woo Park, Jung-Dal Choi
  • Publication number: 20100046079
    Abstract: The present invention relates to polymer patterns of various shapes formed using modifications of means and methods used in the prior lithography process, and the metal film patterns, metal patterns and plastic molds using the polymer patterns, as well as methods of forming these patterns and molds. The method of forming the polymer patterns comprises the steps of: (a) depositing a photosensitive polymer on the substrate to form a polymer film; (b) placing a photomask on the polymer film; and (c) irradiating the polymer film with a light moving in random direction through the photomask, so as to form at least one pattern which is concave from the surface of the polymer film in a direction perpendicular to the substrate and extends in a direction parallel to the substrate. The inventive polymer patterns have at least one pattern which is concave from the surface of the polymer film in a direction perpendicular to the substrate and extends in a direction parallel to the substrate.
    Type: Application
    Filed: February 4, 2005
    Publication date: February 25, 2010
    Inventors: Jun-Bo Yoon, Sung-il Chang, Dae-Hyun Kim, Hyung Suk Lee, Joon-Yong Choi, Weon-Wi Jang, Kyungho Lee
  • Publication number: 20090121275
    Abstract: A non-volatile memory device may include a semiconductor substrate and an isolation layer on the semiconductor substrate wherein the isolation layer defines an active region of the semiconductor substrate. A tunnel insulation layer may be provided on the active region of the semiconductor substrate, and a charge storage pattern may be provided on the tunnel insulation layer. An interface layer pattern may be provided on the charge storage pattern, and a blocking insulation pattern may be provided on the interface layer pattern. Moreover, the block insulation pattern may include a high-k dielectric material, and the interface layer pattern and the blocking insulation pattern may include different materials. A control gate electrode may be provided on the blocking insulating layer so that the blocking insulation pattern is between the interface layer pattern and the control gate electrode. Related methods are also discussed.
    Type: Application
    Filed: November 6, 2008
    Publication date: May 14, 2009
    Inventors: Ju-Hyung Kim, Sung-Il Chang, Chang-Seok Kang, Jung-Dal Choi
  • Publication number: 20060258144
    Abstract: Provided is a method for forming metal interconnect only in desired regions of a semiconductor device based on selective damascene using an insulation material against plating to form the metal interconnect without a Chemical Mechanical Polishing (CMP) or an additional lithography process. The selective damascene is stable and effective in the respect of cost and simplifies the semiconductor interconnect forming process.
    Type: Application
    Filed: May 8, 2006
    Publication date: November 16, 2006
    Inventors: Tae-Hoon CHOI, Hyung Lee, Sung-Il Chang, Jun-Bo Yoon
  • Publication number: 20020028546
    Abstract: Disclosed is a method of fabricating an MOS transistor. The method comprises the following steps of: forming a gate pattern having a gate insulation film, main gate and a capping layer which are sequentially layered on a p-type semiconductor substrate; forming an isolating insulation film on the whole surface of a resultant structure having the gate pattern; forming a material layer for side gate on the isolating insulation film, the material layer having a work function smaller than those of the semiconductor substrate and the main gate; anisotropically etching the material layer for side gate and the isolating insulation film till the semiconductor substrate and the capping layer are exposed to form an isolating insulation pattern and side gate; respectively forming an n-type source/drain; and forming a conductive film pattern on the resultant structure, the conductive film electrically connecting the source to the adjacent side gate or the drain to the adjacent side gate.
    Type: Application
    Filed: September 4, 2001
    Publication date: March 7, 2002
    Applicant: Korea Advanced Institute of Science and Technology
    Inventors: Hyung Cheol Shin, Jong Ho Lee, Sang Yeon Han, Sung Il Chang