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    • 13. 发明申请
    • Non-volatile memory devices having floating gates and related methods of forming the same
    • 具有浮动栅极的非易失性存储器件及其相关方法
    • US20070108498A1
    • 2007-05-17
    • US11594327
    • 2006-11-08
    • Joon-Hee LeeJong-Ho ParkJin-Hyun ShinSung-Hoi HurYong-Seok KimJong-Won Kim
    • Joon-Hee LeeJong-Ho ParkJin-Hyun ShinSung-Hoi HurYong-Seok KimJong-Won Kim
    • H01L29/788
    • H01L29/7881H01L27/115H01L27/11521H01L29/42324
    • A nonvolatile memory device may include a substrate having a cell region, and a cell device isolation layer on the cell region of the substrate to define a cell active region. A floating gate may include a lower floating gate and an upper floating gate sequentially stacked on the cell active region, and a tunnel insulation pattern may be between the floating gate and the cell active region. A control gate electrode may be on the floating gate, and a blocking insulation pattern may be between the control gate electrode and the floating gate. More particularly, the upper floating gate may include a flat portion on the lower floating gate and a pair of wall portions extending upward from both edges of the flat portion adjacent to the cell device isolation layer. Moreover, a width of an upper portion of a space surrounded by the flat portion and the pair of wall portions may be larger than a width of a lower portion of the space. Related methods are also discussed.
    • 非易失性存储器件可以包括具有单元区域的衬底和在衬底的单元区域上的单元器件隔离层,以限定电池活性区域。 浮置栅极可以包括顺序堆叠在单元有源区上的下浮置栅极和上浮置栅极,并且隧道绝缘图案可以在浮栅和电池有源区之间。 控制栅极电极可以在浮置栅极上,并且阻挡绝缘图案可以在控制栅电极和浮栅之间。 更具体地说,上部浮动栅极可以包括在下部浮动栅极上的平坦部分和从邻近电池器件隔离层的平坦部分的两个边缘向上延伸的一对壁部分。 此外,由平坦部分和一对壁部分围绕的空间的上部的宽度可以大于空间的下部的宽度。 还讨论了相关方法。
    • 15. 发明申请
    • Method of preventing replay attack in mobile IPv6
    • 防止移动IPv6重放攻击的方法
    • US20060259969A1
    • 2006-11-16
    • US11433680
    • 2006-05-12
    • Kyung-Joo SuhSoon-Young YoonYoung-Hoon KwonYong-Seok Kim
    • Kyung-Joo SuhSoon-Young YoonYoung-Hoon KwonYong-Seok Kim
    • G06F12/14
    • H04L63/1466H04L63/08H04W8/14H04W12/12H04W80/04
    • Disclosed is a method of preventing a replay attack during a handoff in a communication system using a Mobile IPv6 protocol. A mobile node creates a CoA (Care of Address) by handoff and sends the CoA to a correspondent node, thereby creating a binding entry. Upon receipt of a binding update message including a HoA and a CoA from the mobile node or an attacker, the correspondent node searches a binding cache for a binding entry having the same HoA (Home Address) and CoA as included in the binding update message. If it is determined that the binding entry has the same respective HoA and CoA as contained in the binding update message, the correspondent node checks a Used field of the binding entry. If it is determined that the Used field of the binding entry is equal to a predetermined value, the correspondent node sends a reauthentication command message to the mobile node.
    • 公开了一种防止在使用移动IPv6协议的通信系统中切换期间的重放攻击的方法。 移动节点通过切换创建CoA(转交地址),并将CoA发送到对端节点,从而创建绑定条目。 在从移动节点或攻击者接收到包括HoA和CoA的绑定更新消息时,通信节点在绑定缓存中搜索具有包含在绑定更新消息中的相同HoA(归属地址)和CoA的绑定条目。 如果确定绑定条目具有与绑定更新消息中包含的相同的HoA和CoA,则对端节点检查绑定条目的“已使用”字段。 如果确定绑定条目的Used字段等于预定值,则对端节点向移动节点发送重新认证命令消息。