Title:
SEMICONDUCTOR STORAGE DEVICE
Document Type and Number:
WIPO Patent Application WO/2015/186164
Kind Code:
A1
Abstract:
A semiconductor storage device includes: a semiconductor substrate; a first storage unit; a second storage unit made up of a plurality of first storage units formed in a first direction parallel to the semiconductor substrate; a third storage unit made up of a plurality of second storage units formed in a second direction orthogonal to the first direction and parallel to the semiconductor substrate; and a fourth storage unit made up of a plurality of third storage units in a third direction orthogonal to the semiconductor substrate, wherein a plurality of contacts connecting a signal line for selecting an address in the second direction and the semiconductor substrate are disposed at such a region as not to interfere with a bit line extended in the first direction, thereby providing a highly reliable large-capacity semiconductor storage device which is capable of reading and writing at high speeds and which can be manufactured at low costs.
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Inventors:
KUROTSUCHI KENZO (JP)
TAKEMURA RIICHIRO (JP)
SASAGO YOSHITAKA (JP)
TAKEMURA RIICHIRO (JP)
SASAGO YOSHITAKA (JP)
Application Number:
PCT/JP2014/064571
Publication Date:
December 10, 2015
Filing Date:
June 02, 2014
Export Citation:
Assignee:
HITACHI LTD (JP)
International Classes:
H01L45/00; H01L27/105
Foreign References:
JP2013065707A | 2013-04-11 | |||
JP2012238348A | 2012-12-06 | |||
JP5283805B1 | 2013-09-04 | |||
JP2009283514A | 2009-12-03 |
Attorney, Agent or Firm:
INOUE Manabu et al. (JP)
Manabu Inoue (JP)
Manabu Inoue (JP)
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