Invention Grant
US08236652B2 Semiconductor device with buried bit lines and method for fabricating the same 失效
具有掩埋位线的半导体器件及其制造方法

  • Patent Title: Semiconductor device with buried bit lines and method for fabricating the same
  • Patent Title (中): 具有掩埋位线的半导体器件及其制造方法
  • Application No.: US12841742
    Application Date: 2010-07-22
  • Publication No.: US08236652B2
    Publication Date: 2012-08-07
  • Inventor: Su-Young Kim
  • Applicant: Su-Young Kim
  • Applicant Address: KR Gyeonggi-do
  • Assignee: Hynix Semiconductor Inc.
  • Current Assignee: Hynix Semiconductor Inc.
  • Current Assignee Address: KR Gyeonggi-do
  • Agency: IP & T Group LLP
  • Priority: KR10-2009-0117433 20091130; KR10-2010-0051196 20100531
  • Main IPC: H01L21/336
  • IPC: H01L21/336
Semiconductor device with buried bit lines and method for fabricating the same
Abstract:
A semiconductor device includes: a semiconductor substrate configured to include a plurality of trenches therein; a plurality of buried bit lines each configured to fill a portion of each trench; a plurality of active pillars each formed in an upper portion of each buried bit line; a plurality of vertical gates each configured to surround each active pillar; and a plurality of word lines configured to couple neighboring vertical gates with each other.
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