DE3856543D1 - Dynamische Spreicheranordnung mit wahlfreiem Zugriff und Herstellungsverfahren dafür - Google Patents

Dynamische Spreicheranordnung mit wahlfreiem Zugriff und Herstellungsverfahren dafür

Info

Publication number
DE3856543D1
DE3856543D1 DE3856543T DE3856543T DE3856543D1 DE 3856543 D1 DE3856543 D1 DE 3856543D1 DE 3856543 T DE3856543 T DE 3856543T DE 3856543 T DE3856543 T DE 3856543T DE 3856543 D1 DE3856543 D1 DE 3856543D1
Authority
DE
Germany
Prior art keywords
random access
manufacturing process
dynamic random
access arrangement
process therefor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE3856543T
Other languages
English (en)
Other versions
DE3856543T2 (de
Inventor
Taiji Ema
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP62296669A external-priority patent/JP2772375B2/ja
Priority claimed from JP62302464A external-priority patent/JPH07118520B2/ja
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of DE3856543D1 publication Critical patent/DE3856543D1/de
Application granted granted Critical
Publication of DE3856543T2 publication Critical patent/DE3856543T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10BELECTRONIC MEMORY DEVICES
    • H10B12/00Dynamic random access memory [DRAM] devices
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C11/00Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/21Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
    • G11C11/34Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10BELECTRONIC MEMORY DEVICES
    • H10B12/00Dynamic random access memory [DRAM] devices
    • H10B12/01Manufacture or treatment
    • H10B12/02Manufacture or treatment for one transistor one-capacitor [1T-1C] memory cells
    • H10B12/03Making the capacitor or connections thereto
    • H10B12/033Making the capacitor or connections thereto the capacitor extending over the transistor
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10BELECTRONIC MEMORY DEVICES
    • H10B12/00Dynamic random access memory [DRAM] devices
    • H10B12/30DRAM devices comprising one-transistor - one-capacitor [1T-1C] memory cells
    • H10B12/31DRAM devices comprising one-transistor - one-capacitor [1T-1C] memory cells having a storage electrode stacked over the transistor
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S257/00Active solid-state devices, e.g. transistors, solid-state diodes
    • Y10S257/90MOSFET type gate sidewall insulating spacer

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Hardware Design (AREA)
  • Semiconductor Memories (AREA)
DE3856543T 1987-11-25 1988-11-24 Dynamische Spreicheranordnung mit wahlfreiem Zugriff und Herstellungsverfahren dafür Expired - Lifetime DE3856543T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP62296669A JP2772375B2 (ja) 1987-11-25 1987-11-25 半導体記憶装置
JP62302464A JPH07118520B2 (ja) 1987-11-30 1987-11-30 半導体記憶装置及びその製造方法

Publications (2)

Publication Number Publication Date
DE3856543D1 true DE3856543D1 (de) 2002-11-28
DE3856543T2 DE3856543T2 (de) 2003-03-20

Family

ID=26560793

Family Applications (2)

Application Number Title Priority Date Filing Date
DE3856543T Expired - Lifetime DE3856543T2 (de) 1987-11-25 1988-11-24 Dynamische Spreicheranordnung mit wahlfreiem Zugriff und Herstellungsverfahren dafür
DE3854421T Expired - Lifetime DE3854421T2 (de) 1987-11-25 1988-11-24 Dynamische Speicheranordnung mit wahlfreiem Zugriff und Herstellungsverfahren dafür.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE3854421T Expired - Lifetime DE3854421T2 (de) 1987-11-25 1988-11-24 Dynamische Speicheranordnung mit wahlfreiem Zugriff und Herstellungsverfahren dafür.

Country Status (4)

Country Link
US (5) US4953126A (de)
EP (2) EP0318277B1 (de)
KR (1) KR910009805B1 (de)
DE (2) DE3856543T2 (de)

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Also Published As

Publication number Publication date
US4953126A (en) 1990-08-28
US6114721A (en) 2000-09-05
EP0661752A3 (de) 1996-06-12
DE3856543T2 (de) 2003-03-20
EP0318277A2 (de) 1989-05-31
DE3854421D1 (de) 1995-10-12
US5572053A (en) 1996-11-05
US5128273A (en) 1992-07-07
KR910009805B1 (ko) 1991-11-30
EP0661752B1 (de) 2002-10-23
DE3854421T2 (de) 1996-02-15
EP0318277B1 (de) 1995-09-06
EP0318277A3 (en) 1990-10-31
US6046468A (en) 2000-04-04
KR890008991A (ko) 1989-07-13
EP0661752A2 (de) 1995-07-05

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