Patents by Inventor Seung Geon Yu

Seung Geon Yu 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).

  • Patent number: 7212454
    Abstract: A method and apparatus for programming a memory array are disclosed. In one embodiment, after each word line is programmed, an attempt is made to detect a defect on that word line. If a defect is detected, the word line is repaired with a redundant word line. The word lines are then reprogrammed and rechecked for defects. In another embodiment, after each word line is programmed, an attempt is made to detect a defect on that word line. If a defect is detected, that word line is repaired along with a previously-programmed adjacent word line. In yet another embodiment, after each word line is programmed, an attempt is made to detect a defect on that word line and a previously-programmed adjacent word line. If a defect is detected on that word line, that word line and the previously-programmed adjacent word line are repaired with redundant word lines.
    Type: Grant
    Filed: June 22, 2005
    Date of Patent: May 1, 2007
    Assignee: SanDisk 3D LLC
    Inventors: Bendik Kleveland, Tae Hee Lee, Seung Geon Yu, Chia Yang, Feng Li, Xiaoyu Yang