HK8895A - Varactor-transistor device for dynamic semiconductor memory - Google Patents

Varactor-transistor device for dynamic semiconductor memory

Info

Publication number
HK8895A
HK8895A HK8895A HK8895A HK8895A HK 8895 A HK8895 A HK 8895A HK 8895 A HK8895 A HK 8895A HK 8895 A HK8895 A HK 8895A HK 8895 A HK8895 A HK 8895A
Authority
HK
Hong Kong
Prior art keywords
varactor
gate electrode
polysilicon layer
contact
dynamic semiconductor
Prior art date
Application number
HK8895A
Other languages
English (en)
Inventor
Karl-Heinz Dr Rer Nat Kuesters
Original Assignee
Siemens Ag
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
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of HK8895A publication Critical patent/HK8895A/xx

Links

Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10B—ELECTRONIC MEMORY DEVICES
    • H10B12/00—Dynamic random access memory [DRAM] devices
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10B—ELECTRONIC MEMORY DEVICES
    • H10B12/00—Dynamic random access memory [DRAM] devices
    • H10B12/01—Manufacture or treatment
    • H10B12/02—Manufacture or treatment for one transistor one-capacitor [1T-1C] memory cells
    • H10B12/03—Making the capacitor or connections thereto
    • H10B12/033—Making the capacitor or connections thereto the capacitor extending over the transistor
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10B—ELECTRONIC MEMORY DEVICES
    • H10B12/00—Dynamic random access memory [DRAM] devices
    • H10B12/30—DRAM devices comprising one-transistor - one-capacitor [1T-1C] memory cells
    • H10B12/31—DRAM devices comprising one-transistor - one-capacitor [1T-1C] memory cells having a storage electrode stacked over the transistor
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S257/00—Active solid-state devices, e.g. transistors, solid-state diodes
    • Y10S257/90—MOSFET type gate sidewall insulating spacer

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Semiconductor Memories (AREA)
  • Semiconductor Integrated Circuits (AREA)
HK8895A 1986-08-22 1995-01-19 Varactor-transistor device for dynamic semiconductor memory HK8895A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3628500 1986-08-22

Publications (1)

Publication Number Publication Date
HK8895A true HK8895A (en) 1995-01-27

Family

ID=6307933

Family Applications (1)

Application Number Title Priority Date Filing Date
HK8895A HK8895A (en) 1986-08-22 1995-01-19 Varactor-transistor device for dynamic semiconductor memory

Country Status (7)

Country Link
US (1) US4855801A (xx)
EP (1) EP0258657B1 (xx)
JP (1) JP2628494B2 (xx)
KR (1) KR920005702B1 (xx)
AT (1) ATE79202T1 (xx)
DE (1) DE3780885D1 (xx)
HK (1) HK8895A (xx)

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DE3856143T2 (de) * 1987-06-17 1998-10-29 Fujitsu Ltd Verfahren zum Herstellen einer dynamischen Speicherzelle mit wahlfreiem Zugriff
KR100212098B1 (ko) * 1987-09-19 1999-08-02 가나이 쓰도무 반도체 집적회로 장치 및 그 제조 방법과 반도체 집적 회로 장치의 배선기판 및 그 제조 방법
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JPH0828427B2 (ja) * 1988-09-14 1996-03-21 三菱電機株式会社 半導体装置およびその製造方法
JP2633650B2 (ja) * 1988-09-30 1997-07-23 株式会社東芝 半導体記憶装置およびその製造方法
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US5286998A (en) * 1989-05-31 1994-02-15 Fujitsu Limited Semiconductor device having two transistors forming a memory cell and a peripheral circuit, wherein the impurity region of the first transistor is not subjected to an etching atmosphere
KR940005729B1 (ko) * 1989-06-13 1994-06-23 삼성전자 주식회사 디램셀의 제조방법 및 구조
JPH06105726B2 (ja) * 1989-10-13 1994-12-21 三菱電機株式会社 半導体集積回路装置
US5006481A (en) * 1989-11-30 1991-04-09 Sgs-Thomson Microelectronics, Inc. Method of making a stacked capacitor DRAM cell
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DD299990A5 (de) * 1990-02-23 1992-05-14 Dresden Forschzentr Mikroelek Ein-Transistor-Speicherzellenanordnung und Verfahren zu deren Herstellung
KR930000581B1 (ko) * 1990-04-04 1993-01-25 금성일렉트론 주식회사 자기 정렬된 캐패시터 콘택을 갖는 셀 제조방법 및 구조
US5229314A (en) * 1990-05-01 1993-07-20 Mitsubishi Denki Kabushiki Kaisha Method of manufacturing field effect transistor having a multilayer interconnection layer therein with tapered sidewall insulation
KR960006880B1 (ko) * 1990-05-24 1996-05-23 가부시키가이샤 도시바 반도체 기억장치
KR950008385B1 (ko) * 1990-05-24 1995-07-28 삼성전자주식회사 반도체 소자의 워드라인 형성방법
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EP0469555B1 (en) * 1990-07-31 1996-04-17 Nec Corporation Charge storage capacitor electrode and method of manufacturing the same
JP2748050B2 (ja) * 1991-02-08 1998-05-06 三菱電機株式会社 半導体装置およびその製造方法
US5272103A (en) * 1991-02-08 1993-12-21 Mitsubishi Denki Kabushiki Kaisha DRAM having a large dielectric breakdown voltage between an adjacent conductive layer and a capacitor electrode and method of manufacture thereof
US5100826A (en) * 1991-05-03 1992-03-31 Micron Technology, Inc. Process for manufacturing ultra-dense dynamic random access memories using partially-disposable dielectric filler strips between wordlines
JPH0521744A (ja) * 1991-07-10 1993-01-29 Sony Corp 半導体記憶装置のキヤパシタおよびその製造方法
US5134085A (en) * 1991-11-21 1992-07-28 Micron Technology, Inc. Reduced-mask, split-polysilicon CMOS process, incorporating stacked-capacitor cells, for fabricating multi-megabit dynamic random access memories
US5525534A (en) * 1992-03-13 1996-06-11 Fujitsu Limited Method of producing a semiconductor device using a reticle having a polygonal shaped hole
US5338700A (en) * 1993-04-14 1994-08-16 Micron Semiconductor, Inc. Method of forming a bit line over capacitor array of memory cells
US5498562A (en) * 1993-04-07 1996-03-12 Micron Technology, Inc. Semiconductor processing methods of forming stacked capacitors
DE4330471C1 (de) * 1993-09-08 1994-10-20 Siemens Ag Herstellverfahren für ein Bitleitungskontaktloch einer Speicherzelle
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US6083831A (en) 1996-03-26 2000-07-04 Micron Technology, Inc. Semiconductor processing method of forming a contact pedestal, of forming a storage node of a capacitor
US6268779B1 (en) * 1999-03-19 2001-07-31 Telefonaktiebolaget Lm Ericsson (Publ) Integrated oscillators and tuning circuits
US6667539B2 (en) 2001-11-08 2003-12-23 International Business Machines Corporation Method to increase the tuning voltage range of MOS varactors
US20070075364A1 (en) * 2005-09-30 2007-04-05 Analog Power Intellectual Properties Limited Power MOSFETs and methods of making same
US8921977B2 (en) * 2011-12-21 2014-12-30 Nan Ya Technology Corporation Capacitor array and method of fabricating the same

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US4356040A (en) * 1980-05-02 1982-10-26 Texas Instruments Incorporated Semiconductor device having improved interlevel conductor insulation
US4649406A (en) * 1982-12-20 1987-03-10 Fujitsu Limited Semiconductor memory device having stacked capacitor-type memory cells
JPS602784B2 (ja) * 1982-12-20 1985-01-23 富士通株式会社 半導体記憶装置
JPS6055637B2 (ja) * 1983-06-14 1985-12-05 東洋リノリユ−ム株式会社 床材の裏面処理方法
JPH0618257B2 (ja) * 1984-04-28 1994-03-09 富士通株式会社 半導体記憶装置の製造方法
JPS616858A (ja) * 1984-06-20 1986-01-13 Matsushita Electric Ind Co Ltd 半導体記憶装置およびその製造方法
JPS61123181A (ja) * 1984-11-15 1986-06-11 Fujitsu Ltd 半導体装置の製造方法

Also Published As

Publication number Publication date
DE3780885D1 (de) 1992-09-10
JPS6373553A (ja) 1988-04-04
KR880003429A (ko) 1988-05-17
US4855801A (en) 1989-08-08
EP0258657A1 (de) 1988-03-09
EP0258657B1 (de) 1992-08-05
JP2628494B2 (ja) 1997-07-09
KR920005702B1 (ko) 1992-07-13
ATE79202T1 (de) 1992-08-15

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Legal Events

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PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)