Patents by Inventor Sang-Keum LEE

Sang-Keum LEE 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).

  • Variable resistance memory device and method for fabricating the same
    Patent number: 9159919
    Abstract: A variable resistance memory device includes vertical electrodes vertically projecting from a substrate, first horizontal electrodes stacked along the vertical electrodes, second horizontal electrodes stacked along the vertical electrodes, and a variable resistance layer interposed between the vertical electrodes and the first and second horizontal electrodes, wherein the first and second horizontal electrodes are arranged in directions crossing with each other.
    Type: Grant
    Filed: January 3, 2013
    Date of Patent: October 13, 2015
    Assignee: SK Hynix Inc.
    Inventors: Sang-Keum Lee, Jae-Yun Yi, Dong-Hee Son
  • VARIABLE RESISTANCE MEMORY DEVICE AND METHOD FOR FABRICATING THE SAME
    Publication number: 20130288391
    Abstract: A variable resistance memory device includes vertical electrodes vertically projecting from a substrate, first horizontal electrodes stacked along the vertical electrodes, second horizontal electrodes stacked along the vertical electrodes, and a variable resistance layer interposed between the vertical electrodes and the first and second horizontal electrodes, wherein the first and second horizontal electrodes are arranged in directions crossing with each other.
    Type: Application
    Filed: January 3, 2013
    Publication date: October 31, 2013
    Applicant: SK HYNIX INC.
    Inventors: Sang-Keum LEE, Jae-Yun YI, Dong-Hee SON
  • VARIABLE RESISTANCE MEMORY DEVICE AND METHOD FOR FABRICATING THE SAME
    Publication number: 20130248799
    Abstract: A variable resistance memory device includes first electrodes, dielectric layer patterns vertically projecting from the first electrodes, variable resistance layer patterns surrounding side surfaces of the dielectric layer patterns and connected with the first electrodes, and second electrodes formed over the dielectric layer patterns and connected with the variable resistance layer patterns.
    Type: Application
    Filed: January 8, 2013
    Publication date: September 26, 2013
    Applicant: SK hynix Inc.
    Inventors: Seok-Pyo SONG, Jin-Won PARK, Jae-Yun YI, Sang-Keum LEE, Dong-Hee SON