Patents by Inventor Hong-Gu Yl

Hong-Gu Yl 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: 20090004861
    Abstract: A method for fabricating a semiconductor device with a vertical channel includes providing a substrate over which a hard mask pattern is formed, forming pillars over the substrate using the hard mask pattern thereby forming a resultant structure, forming an insulation layer over the resultant structure, planarizing the hard mask pattern and the insulation layer until the pillars are exposed, and forming a storage electrode over the exposed pillars.
    Type: Application
    Filed: December 5, 2007
    Publication date: January 1, 2009
    Applicant: Hynix Semiconductor Inc.
    Inventors: Min-Suk Lee, Hong-Gu Yl