HK8995A - Three-dimensional 1-transistor cell structure with a trench capacitor for a dynamic semiconductor memory, and method for producing the bit line contact - Google Patents

Three-dimensional 1-transistor cell structure with a trench capacitor for a dynamic semiconductor memory, and method for producing the bit line contact

Info

Publication number
HK8995A
HK8995A HK8995A HK8995A HK8995A HK 8995 A HK8995 A HK 8995A HK 8995 A HK8995 A HK 8995A HK 8995 A HK8995 A HK 8995A HK 8995 A HK8995 A HK 8995A
Authority
HK
Hong Kong
Prior art keywords
bit line
line contact
trench capacitor
dimensional
producing
Prior art date
Application number
HK8995A
Other languages
English (en)
Inventor
Karl-Heinz Dr Kuesters
Wolfgang Dr Mueller
Gerd Dipl-Ing Enders
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 HK8995A publication Critical patent/HK8995A/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
    • H10B12/30—DRAM devices comprising one-transistor - one-capacitor [1T-1C] memory cells
    • H10B12/37—DRAM devices comprising one-transistor - one-capacitor [1T-1C] memory cells the capacitor being at least partially in a trench in the substrate
    • 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
    • H10B12/038—Making the capacitor or connections thereto the capacitor being in a trench in the substrate

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Semiconductor Memories (AREA)
HK8995A 1987-03-06 1995-01-19 Three-dimensional 1-transistor cell structure with a trench capacitor for a dynamic semiconductor memory, and method for producing the bit line contact HK8995A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3707241 1987-03-06

Publications (1)

Publication Number Publication Date
HK8995A true HK8995A (en) 1995-01-27

Family

ID=6322436

Family Applications (1)

Application Number Title Priority Date Filing Date
HK8995A HK8995A (en) 1987-03-06 1995-01-19 Three-dimensional 1-transistor cell structure with a trench capacitor for a dynamic semiconductor memory, and method for producing the bit line contact

Country Status (7)

Country Link
US (1) US5025295A (ja)
EP (1) EP0282629B1 (ja)
JP (1) JP2681887B2 (ja)
KR (1) KR930001221B1 (ja)
AT (1) ATE82433T1 (ja)
DE (1) DE3782647D1 (ja)
HK (1) HK8995A (ja)

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* Cited by examiner, † Cited by third party
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US5247197A (en) * 1987-11-05 1993-09-21 Fujitsu Limited Dynamic random access memory device having improved contact hole structures
US5374576A (en) * 1988-12-21 1994-12-20 Hitachi, Ltd. Method of fabricating stacked capacitor cell memory devices
US20010008288A1 (en) * 1988-01-08 2001-07-19 Hitachi, Ltd. Semiconductor integrated circuit device having memory cells
US5180683A (en) * 1988-06-10 1993-01-19 Mitsubishi Denki Kabushiki Kaisha Method of manufacturing stacked capacitor type semiconductor memory device
EP0455338A1 (en) * 1990-04-30 1991-11-06 STMicroelectronics, Inc. Dram cell structure
JP2551203B2 (ja) * 1990-06-05 1996-11-06 三菱電機株式会社 半導体装置
KR930009131B1 (ko) * 1991-04-24 1993-09-23 삼성전자 주식회사 초고집적 반도체 메모리장치의 제조방법
US5192702A (en) * 1991-12-23 1993-03-09 Industrial Technology Research Institute Self-aligned cylindrical stacked capacitor DRAM cell
US5461005A (en) * 1991-12-27 1995-10-24 At&T Ipm Corp. Method of forming silicide in integrated circuit manufacture
US5880022A (en) * 1991-12-30 1999-03-09 Lucent Technologies Inc. Self-aligned contact window
US5627092A (en) * 1994-09-26 1997-05-06 Siemens Aktiengesellschaft Deep trench dram process on SOI for low leakage DRAM cell
KR0141950B1 (ko) * 1994-12-22 1998-06-01 문정환 반도체소자의 제조방법
US6207994B1 (en) 1996-11-05 2001-03-27 Power Integrations, Inc. High-voltage transistor with multi-layer conduction region
GB2324408A (en) * 1997-01-21 1998-10-21 United Microelectronics Corporation Forming DRAM cells
US6187656B1 (en) * 1997-10-07 2001-02-13 Texas Instruments Incorporated CVD-based process for manufacturing stable low-resistivity poly-metal gate electrodes
TW396508B (en) * 1999-01-05 2000-07-01 Mosel Vitelic Inc A method for forming trench isolation
JP3972846B2 (ja) * 2003-03-25 2007-09-05 セイコーエプソン株式会社 半導体装置の製造方法
CN102938378B (zh) * 2011-08-16 2015-06-17 中芯国际集成电路制造(北京)有限公司 半导体器件制造方法
CN108831884A (zh) * 2018-06-08 2018-11-16 长鑫存储技术有限公司 存储器结构及其制备方法

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Publication number Priority date Publication date Assignee Title
US4668973A (en) * 1978-06-19 1987-05-26 Rca Corporation Semiconductor device passivated with phosphosilicate glass over silicon nitride
US4403394A (en) * 1980-12-17 1983-09-13 International Business Machines Corporation Formation of bit lines for ram device
JPS58137245A (ja) * 1982-02-10 1983-08-15 Hitachi Ltd 大規模半導体メモリ
JPS5982761A (ja) * 1982-11-04 1984-05-12 Hitachi Ltd 半導体メモリ
JPS59175153A (ja) * 1983-03-23 1984-10-03 Nec Corp 半導体集積回路装置
JPS60152058A (ja) * 1984-01-20 1985-08-10 Toshiba Corp 半導体記憶装置
JPS60227461A (ja) * 1984-04-19 1985-11-12 Nippon Telegr & Teleph Corp <Ntt> 半導体集積回路装置
US4710897A (en) * 1984-04-27 1987-12-01 Kabushiki Kaisha Toshiba Semiconductor memory device comprising six-transistor memory cells
US4658283A (en) * 1984-07-25 1987-04-14 Hitachi, Ltd. Semiconductor integrated circuit device having a carrier trapping trench arrangement
JPS6154661A (ja) * 1984-08-24 1986-03-18 Toshiba Corp 半導体装置の製造方法
JPS61144863A (ja) * 1984-12-19 1986-07-02 Hitachi Ltd 半導体記憶装置およびその製造方法
JPS61183952A (ja) * 1985-02-09 1986-08-16 Fujitsu Ltd 半導体記憶装置及びその製造方法
US4649625A (en) * 1985-10-21 1987-03-17 International Business Machines Corporation Dynamic memory device having a single-crystal transistor on a trench capacitor structure and a fabrication method therefor
JPS62136069A (ja) * 1985-12-10 1987-06-19 Hitachi Ltd 半導体装置およびその製造方法
EP0236089B1 (en) * 1986-03-03 1992-08-05 Fujitsu Limited Dynamic random access memory having trench capacitor
JPS63207171A (ja) * 1987-02-24 1988-08-26 Nippon Telegr & Teleph Corp <Ntt> 半導体メモリ装置及びその製造方法

Also Published As

Publication number Publication date
US5025295A (en) 1991-06-18
EP0282629B1 (de) 1992-11-11
DE3782647D1 (de) 1992-12-17
ATE82433T1 (de) 1992-11-15
KR930001221B1 (ko) 1993-02-22
KR880011926A (ko) 1988-10-31
EP0282629A1 (de) 1988-09-21
JP2681887B2 (ja) 1997-11-26
JPS63228742A (ja) 1988-09-22

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Legal Events

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