KR100879184B1 - 매립된 비트라인을 갖는 반도체 구조물 및 상기 반도체구조물을 형성하기 위한 방법 - Google Patents
매립된 비트라인을 갖는 반도체 구조물 및 상기 반도체구조물을 형성하기 위한 방법 Download PDFInfo
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B99/00—Subject matter not provided for in other groups of this subclass
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- 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
- H10B12/48—Data lines or contacts therefor
- H10B12/482—Bit lines
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- 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
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- 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
- H10B12/39—DRAM devices comprising one-transistor - one-capacitor [1T-1C] memory cells the capacitor and the transistor being in a same trench
- H10B12/395—DRAM devices comprising one-transistor - one-capacitor [1T-1C] memory cells the capacitor and the transistor being in a same trench the transistor being vertical
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- 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
- H10B12/48—Data lines or contacts therefor
- H10B12/485—Bit line contacts
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- 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
- H10B12/48—Data lines or contacts therefor
- H10B12/488—Word lines
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Claims (56)
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- 반도체 구조물에 있어서, 상기 반도체 구조물은전도성 도핑된 반도성 물질을 포함하는 반도체 기판,상기 전도성 도핑된 반도성 물질 내부에 위치하는 트렌치 처리된 고립 영역으로서, 측벽을 갖는 상기 트렌치 처리된 고립 영역,상기 트렌치 처리된 고립 영역의 측벽과 전도성 도핑된 반도성 물질 사이의 비트라인(bitline),상기 비트라인(bitline)과 트렌치 처리된 고립 영역 위에 위치하는 유전 물질,상기 유전 물질 위에 위치하는 워드라인(wordline),상기 워드라인(wordline)에 이웃하며, 한 쌍의 소스/드레인 영역 사이에서 수직으로 위치하는 채널 영역을 포함하는 수직으로 뻗어 있는 필라(vertically-extending pillar)로서, 상기 워드라인은 소스/드레인 영역들을 상기 채널 영역을 통해 게이트 방식으로(gatedly) 서로 연결시키는 트랜지스터 게이트를 포함하며, 한 쌍의 소스/드레인 영역들 중 하나가 상기 비트라인(bitline)에 전기적으로 연결되는, 수직으로 뻗어 있는 필라를 포함하며,이때 상기 수직으로 뻗어 있는 필라는 상기 비트라인(bitline)의 바로 위에 위치하지 않는 것을 특징으로 하는 반도체 구조물.
- 제 6 항에 있어서, 상기 비트라인(bitline)은 금속 실리사이드를 포함하는 것을 특징으로 하는 반도체 구조물.
- 제 6 항에 있어서, 상기 전도성 도핑된 반도체 물질은 모노크리스탈린 반도체 물질을 포함하며, 이때 상기 수직으로 뻗어 있는 필라는 상기 모노크리스탈린 반도체 물질의 모노크리스탈린 확장 영역을 포함하는 것을 특징으로 하는 반도체 구조물.
- 제 6 항에 있어서,상기 기판은 제 1 도핑된 영역과, 상기 제 1 도핑된 영역 위에 위치하는 제 2 도핑된 영역을 포함하며, 상기 제 1 도핑된 영역과 상기 제 2 도핑된 영역 중 하나는 p-타입이고, 나머지 하나는 n-타입이며, 상기 전도성 도핑된 반도체 물질은 제 2 도핑된 영역이며,상기 트렌치 처리된 고립 영역은 상기 제 2 도핑된 영역을 통과하여, 상기 제 1 도핑된 영역으로 뻗어 있고,상기 비트라인(bitline)은 상기 제 2 도핑된 영역 내에 존재하고, 기판의 상기 제 1 도핑된 영역 내부에는 존재하지 않는 것을 특징으로 하는 반도체 구조물.
- 제 6 항에 있어서, 상기 소스/드레인 영역들 중 상기 비트라인(bitline)과 전기적으로 연결되어 있는 하나가 제 1 소스/드레인 영역이며, 이때 상기 소스/드레인 영역의 나머지 하나는 제 2 소스/드레인 영역이며, 이는 커패시터와 전기적으로 연결되어 있으며, 이때, 상기 트랜지스터 게이트와, 커패시터와, 소스/드레인 영역과, 채널 영역이 DRAM 유닛 셀을 형성하는 것을 특징으로 하는 반도체 구조물.
- 반도체 구조물에 있어서, 상기 반도체 구조물은반도성 물질 상부 표면을 갖는 반도체 기판,상기 기판으로 뻗어 있는 고립 영역,상기 고립 영역과 상기 기판 사이의 비트라인(bitline),상기 비트라인과 상기 고립 영역 위에 위치하는 이격된 한 쌍의 워드라인(wordline)으로서, 상기 한 쌍의 워드라인 중 하나는 제 1 워드라인이며, 나머지 하나는 제 2 워드라인인 상기 이격된 한 쌍의 워드라인,상기 이격된 워드라인 사이에 위치하는 전기 절연 라인,상기 반도성 물질 상부 표면 위쪽으로 뻗어 있는 전도성 도핑된 반도체 물질의 제 1 수직으로 뻗어 있는 필라(a first vertically-extending pillar)로서, 상기 제 1 수직으로 뻗어 있는 필라는 상기 제 1 워드라인을 통과하여 위쪽으로 뻗어 있고, 상기 제 1 수직으로 뻗어 있는 필라는 제 2 타입의 채널 영역의 수직으로 마주보는 측부 상에 제 1 타입의 한 쌍의 소스/드레인 영역을 포함하며, 이때 상기 제 1 타입과 상기 제 2 타입 중 하나는 p-타입이고 나머지 하나는 n-타입이며, 상기 한 쌍의 소스/드레인 영역은 제 1 소스/드레인 영역과 제 2 소스/드레인 영역이며, 상기 제 1 소스/드레인 영역은 비트라인과 전기적으로 연결되어 있는, 제 1 수직으로 뻗어 있는 필라,상기 반도성 물질 상부 표면 위쪽으로 뻗어 있는 전도성 도핑된 반도체 물질의 제 2 수직으로 뻗어 있는 필라(a second vertically-extending pillar)로서, 상기 제 2 수직으로 뻗어 있는 필라는 상기 제 2 워드라인을 통과하여 위쪽으로 뻗어 있고, 상기 제 2 수직으로 뻗어 있는 필라는 제 2 타입의 채널 영역의 수직으로 마주보는 측부 상에 제 1 타입의 한 쌍의 소스/드레인 영역을 포함하며, 상기 제 2 수직으로 뻗어 있는 필라의 상기 한 쌍의 소스/드레인 영역은 제 3 소스/드레인 영역과 제 4 소스/드레인 영역이며, 상기 제 3 소스/드레인 영역은 비트라인과 전기적으로 연결되어 있는, 제 2 수직으로 뻗어 있는 필라,상기 제 1 수직으로 뻗어 있는 필라 주위에 위치하며 상기 제 1 수직으로 뻗어 있는 필라를 제 1 워드라인으로부터 분리시키는, 제 1 게이트 유전체,상기 제 2 수직으로 뻗어 있는 필라 주위에 위치하며 상기 제 2 수직으로 뻗어 있는 필라를 제 2 워드라인으로부터 분리시키는, 제 2 게이트 유전체,상기 제 2 소스/드레인 영역과 전기적으로 연결되어 있는 제 1 전하 저장 장치, 및상기 제 4 소스/드레인 영역과 전기적으로 연결되어 있는 제 2 전하 저장 장치를 포함하는, 반도체 구조물.
- 제 11 항에 있어서, 상기 제 1 전하 저장 장치와 상기 제 2 전하 저장 장치는 커패시터임을 특징으로 하는 반도체 구조물.
- 제 12 항에 있어서, 상기 전기 절연 라인은 하이-k 유전 물질(high-k dielectric material) 위에 위치하는 실리콘 다이옥사이드를 포함하는 것을 특징으로 하는 반도체 구조물.
- 제 12 항에 있어서, 상기 고립 영역과 상기 전기 절연 라인 사이에 하이-k 유전 물질을 더 포함하는 것을 특징으로 하는 반도체 구조물.
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Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US10/800,196 US7262089B2 (en) | 2004-03-11 | 2004-03-11 | Methods of forming semiconductor structures |
US10/800,196 | 2004-03-11 |
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KR100879184B1 true KR100879184B1 (ko) | 2009-01-16 |
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US (2) | US7262089B2 (ko) |
EP (2) | EP1965428A3 (ko) |
JP (1) | JP4569845B2 (ko) |
KR (1) | KR100879184B1 (ko) |
CN (1) | CN100485938C (ko) |
WO (1) | WO2005093836A2 (ko) |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5977579A (en) | 1998-12-03 | 1999-11-02 | Micron Technology, Inc. | Trench dram cell with vertical device and buried word lines |
US7071043B2 (en) * | 2002-08-15 | 2006-07-04 | Micron Technology, Inc. | Methods of forming a field effect transistor having source/drain material over insulative material |
US6844591B1 (en) * | 2003-09-17 | 2005-01-18 | Micron Technology, Inc. | Method of forming DRAM access transistors |
US7262089B2 (en) * | 2004-03-11 | 2007-08-28 | Micron Technology, Inc. | Methods of forming semiconductor structures |
US7518182B2 (en) * | 2004-07-20 | 2009-04-14 | Micron Technology, Inc. | DRAM layout with vertical FETs and method of formation |
US7531395B2 (en) * | 2004-09-01 | 2009-05-12 | Micron Technology, Inc. | Methods of forming a layer comprising epitaxial silicon, and methods of forming field effect transistors |
US7144779B2 (en) * | 2004-09-01 | 2006-12-05 | Micron Technology, Inc. | Method of forming epitaxial silicon-comprising material |
US7132355B2 (en) * | 2004-09-01 | 2006-11-07 | Micron Technology, Inc. | Method of forming a layer comprising epitaxial silicon and a field effect transistor |
US7547945B2 (en) * | 2004-09-01 | 2009-06-16 | Micron Technology, Inc. | Transistor devices, transistor structures and semiconductor constructions |
US8673706B2 (en) * | 2004-09-01 | 2014-03-18 | Micron Technology, Inc. | Methods of forming layers comprising epitaxial silicon |
JP2006068393A (ja) * | 2004-09-03 | 2006-03-16 | Olympus Corp | 内視鏡 |
KR20060064264A (ko) * | 2004-12-08 | 2006-06-13 | 삼성전자주식회사 | 박막 트랜지스터 표시판 및 그 제조 방법 |
US7326611B2 (en) * | 2005-02-03 | 2008-02-05 | Micron Technology, Inc. | DRAM arrays, vertical transistor structures and methods of forming transistor structures and DRAM arrays |
US7244659B2 (en) * | 2005-03-10 | 2007-07-17 | Micron Technology, Inc. | Integrated circuits and methods of forming a field effect transistor |
US7384849B2 (en) | 2005-03-25 | 2008-06-10 | Micron Technology, Inc. | Methods of forming recessed access devices associated with semiconductor constructions |
US7371627B1 (en) | 2005-05-13 | 2008-05-13 | Micron Technology, Inc. | Memory array with ultra-thin etched pillar surround gate access transistors and buried data/bit lines |
US7120046B1 (en) | 2005-05-13 | 2006-10-10 | Micron Technology, Inc. | Memory array with surrounding gate access transistors and capacitors with global and staggered local bit lines |
US7888721B2 (en) | 2005-07-06 | 2011-02-15 | Micron Technology, Inc. | Surround gate access transistors with grown ultra-thin bodies |
US7282401B2 (en) | 2005-07-08 | 2007-10-16 | Micron Technology, Inc. | Method and apparatus for a self-aligned recessed access device (RAD) transistor gate |
US7768051B2 (en) | 2005-07-25 | 2010-08-03 | Micron Technology, Inc. | DRAM including a vertical surround gate transistor |
US7867851B2 (en) | 2005-08-30 | 2011-01-11 | Micron Technology, Inc. | Methods of forming field effect transistors on substrates |
US7696567B2 (en) | 2005-08-31 | 2010-04-13 | Micron Technology, Inc | Semiconductor memory device |
US7416943B2 (en) | 2005-09-01 | 2008-08-26 | Micron Technology, Inc. | Peripheral gate stacks and recessed array gates |
US7687342B2 (en) | 2005-09-01 | 2010-03-30 | Micron Technology, Inc. | Method of manufacturing a memory device |
US7557032B2 (en) | 2005-09-01 | 2009-07-07 | Micron Technology, Inc. | Silicided recessed silicon |
US7867845B2 (en) * | 2005-09-01 | 2011-01-11 | Micron Technology, Inc. | Transistor gate forming methods and transistor structures |
US7700441B2 (en) | 2006-02-02 | 2010-04-20 | Micron Technology, Inc. | Methods of forming field effect transistors, methods of forming field effect transistor gates, methods of forming integrated circuitry comprising a transistor gate array and circuitry peripheral to the gate array, and methods of forming integrated circuitry comprising a transistor gate array including first gates and second grounded isolation gates |
US8860174B2 (en) * | 2006-05-11 | 2014-10-14 | Micron Technology, Inc. | Recessed antifuse structures and methods of making the same |
US8008144B2 (en) | 2006-05-11 | 2011-08-30 | Micron Technology, Inc. | Dual work function recessed access device and methods of forming |
US20070262395A1 (en) * | 2006-05-11 | 2007-11-15 | Gibbons Jasper S | Memory cell access devices and methods of making the same |
US7422960B2 (en) * | 2006-05-17 | 2008-09-09 | Micron Technology, Inc. | Method of forming gate arrays on a partial SOI substrate |
KR100739532B1 (ko) * | 2006-06-09 | 2007-07-13 | 삼성전자주식회사 | 매몰 비트라인 형성 방법 |
US7602001B2 (en) | 2006-07-17 | 2009-10-13 | Micron Technology, Inc. | Capacitorless one transistor DRAM cell, integrated circuitry comprising an array of capacitorless one transistor DRAM cells, and method of forming lines of capacitorless one transistor DRAM cells |
US7772632B2 (en) | 2006-08-21 | 2010-08-10 | Micron Technology, Inc. | Memory arrays and methods of fabricating memory arrays |
US7537994B2 (en) * | 2006-08-28 | 2009-05-26 | Micron Technology, Inc. | Methods of forming semiconductor devices, assemblies and constructions |
US7589995B2 (en) | 2006-09-07 | 2009-09-15 | Micron Technology, Inc. | One-transistor memory cell with bias gate |
US7939403B2 (en) * | 2006-11-17 | 2011-05-10 | Micron Technology, Inc. | Methods of forming a field effect transistors, pluralities of field effect transistors, and DRAM circuitry comprising a plurality of individual memory cells |
US8058683B2 (en) * | 2007-01-18 | 2011-11-15 | Samsung Electronics Co., Ltd. | Access device having vertical channel and related semiconductor device and a method of fabricating the access device |
US7923373B2 (en) | 2007-06-04 | 2011-04-12 | Micron Technology, Inc. | Pitch multiplication using self-assembling materials |
JP5460950B2 (ja) * | 2007-06-06 | 2014-04-02 | ピーエスフォー ルクスコ エスエイアールエル | 半導体装置及びその製造方法 |
KR100910228B1 (ko) * | 2007-09-10 | 2009-07-31 | 주식회사 하이닉스반도체 | 수직형 트랜지스터를 구비한 반도체 소자 및 그의 제조방법 |
KR100908819B1 (ko) * | 2007-11-02 | 2009-07-21 | 주식회사 하이닉스반도체 | 수직채널트랜지스터를 구비한 반도체소자 및 그 제조 방법 |
US7824986B2 (en) | 2008-11-05 | 2010-11-02 | Micron Technology, Inc. | Methods of forming a plurality of transistor gates, and methods of forming a plurality of transistor gates having at least two different work functions |
US9245881B2 (en) * | 2009-03-17 | 2016-01-26 | Qualcomm Incorporated | Selective fabrication of high-capacitance insulator for a metal-oxide-metal capacitor |
KR101149043B1 (ko) * | 2009-10-30 | 2012-05-24 | 에스케이하이닉스 주식회사 | 매립형 비트라인을 구비하는 반도체 장치 및 그 제조방법 |
KR20110101876A (ko) | 2010-03-10 | 2011-09-16 | 삼성전자주식회사 | 매립 비트 라인을 갖는 반도체 장치 및 반도체 장치의 제조 방법 |
KR101133713B1 (ko) * | 2010-04-14 | 2012-04-13 | 에스케이하이닉스 주식회사 | 매립비트라인을 구비한 반도체 장치 및 그 제조 방법 |
JP5690083B2 (ja) * | 2010-05-19 | 2015-03-25 | ピーエスフォー ルクスコ エスエイアールエルPS4 Luxco S.a.r.l. | 半導体記憶装置 |
US8361856B2 (en) | 2010-11-01 | 2013-01-29 | Micron Technology, Inc. | Memory cells, arrays of memory cells, and methods of forming memory cells |
CN102544049B (zh) * | 2010-12-22 | 2014-04-16 | 中国科学院微电子研究所 | 三维半导体存储器件及其制备方法 |
US9431400B2 (en) * | 2011-02-08 | 2016-08-30 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor memory device and method for manufacturing the same |
US8450175B2 (en) | 2011-02-22 | 2013-05-28 | Micron Technology, Inc. | Methods of forming a vertical transistor and at least a conductive line electrically coupled therewith |
US8569831B2 (en) | 2011-05-27 | 2013-10-29 | Micron Technology, Inc. | Integrated circuit arrays and semiconductor constructions |
US8796754B2 (en) * | 2011-06-22 | 2014-08-05 | Macronix International Co., Ltd. | Multi level programmable memory structure with multiple charge storage structures and fabricating method thereof |
US9401363B2 (en) | 2011-08-23 | 2016-07-26 | Micron Technology, Inc. | Vertical transistor devices, memory arrays, and methods of forming vertical transistor devices |
KR20130042779A (ko) | 2011-10-19 | 2013-04-29 | 삼성전자주식회사 | 수직형 채널 트랜지스터를 포함하는 반도체 소자 및 그 제조 방법 |
US10438836B2 (en) | 2011-11-09 | 2019-10-08 | Unisantis Electronics Singapore Pte. Ltd. | Method for manufacturing a semiconductor device |
KR20130110181A (ko) * | 2011-11-09 | 2013-10-08 | 유니산티스 일렉트로닉스 싱가포르 프라이빗 리미티드 | 반도체 장치의 제조 방법 및 반도체 장치 |
US8759178B2 (en) | 2011-11-09 | 2014-06-24 | Unisantis Electronics Singapore Pte. Ltd. | Method for manufacturing semiconductor device and semiconductor device |
KR20130065264A (ko) * | 2011-12-09 | 2013-06-19 | 에스케이하이닉스 주식회사 | 매립비트라인 형성 방법, 매립비트라인를 구비한 반도체장치 및 제조 방법 |
US9036391B2 (en) | 2012-03-06 | 2015-05-19 | Micron Technology, Inc. | Arrays of vertically-oriented transistors, memory arrays including vertically-oriented transistors, and memory cells |
KR101902486B1 (ko) | 2012-05-16 | 2018-11-13 | 삼성전자주식회사 | Mos 트랜지스터 |
TWI496247B (zh) * | 2012-06-18 | 2015-08-11 | Micron Technology Inc | 埋入式位元線的製作方法 |
US9006060B2 (en) | 2012-08-21 | 2015-04-14 | Micron Technology, Inc. | N-type field effect transistors, arrays comprising N-type vertically-oriented transistors, methods of forming an N-type field effect transistor, and methods of forming an array comprising vertically-oriented N-type transistors |
US9129896B2 (en) | 2012-08-21 | 2015-09-08 | Micron Technology, Inc. | Arrays comprising vertically-oriented transistors, integrated circuitry comprising a conductive line buried in silicon-comprising semiconductor material, methods of forming a plurality of conductive lines buried in silicon-comprising semiconductor material, and methods of forming an array comprising vertically-oriented transistors |
US9478550B2 (en) | 2012-08-27 | 2016-10-25 | Micron Technology, Inc. | Arrays of vertically-oriented transistors, and memory arrays including vertically-oriented transistors |
US9111853B2 (en) | 2013-03-15 | 2015-08-18 | Micron Technology, Inc. | Methods of forming doped elements of semiconductor device structures |
US9263455B2 (en) | 2013-07-23 | 2016-02-16 | Micron Technology, Inc. | Methods of forming an array of conductive lines and methods of forming an array of recessed access gate lines |
US9306063B2 (en) * | 2013-09-27 | 2016-04-05 | Intel Corporation | Vertical transistor devices for embedded memory and logic technologies |
US10157926B2 (en) * | 2016-08-31 | 2018-12-18 | Micron Technology, Inc. | Memory cells and memory arrays |
US10355002B2 (en) | 2016-08-31 | 2019-07-16 | Micron Technology, Inc. | Memory cells, methods of forming an array of two transistor-one capacitor memory cells, and methods used in fabricating integrated circuitry |
US11211384B2 (en) | 2017-01-12 | 2021-12-28 | Micron Technology, Inc. | Memory cells, arrays of two transistor-one capacitor memory cells, methods of forming an array of two transistor-one capacitor memory cells, and methods used in fabricating integrated circuitry |
US10134739B1 (en) | 2017-07-27 | 2018-11-20 | Globalfoundries Inc. | Memory array with buried bitlines below vertical field effect transistors of memory cells and a method of forming the memory array |
CN110785843A (zh) | 2017-08-31 | 2020-02-11 | 美光科技公司 | 具有带有两个晶体管及一个电容器的存储器单元且具有与参考电压耦合的晶体管的主体区的设备 |
US10381352B1 (en) * | 2018-05-04 | 2019-08-13 | Micron Technology, Inc. | Integrated assemblies which include carbon-doped oxide, and methods of forming integrated assemblies |
US10615165B1 (en) * | 2018-10-04 | 2020-04-07 | Micron Technology, Inc. | Methods of forming integrated assemblies |
CN112885832B (zh) * | 2019-11-29 | 2024-07-16 | 长鑫存储技术有限公司 | 半导体结构及其制造方法 |
KR20220050633A (ko) | 2020-10-16 | 2022-04-25 | 에스케이하이닉스 주식회사 | 3차원 구조의 트랜지스터 소자를 구비하는 반도체 장치 |
CN115701210A (zh) * | 2021-07-16 | 2023-02-07 | 长鑫存储技术有限公司 | 半导体结构及其制造方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4549927A (en) | 1984-06-29 | 1985-10-29 | International Business Machines Corporation | Method of selectively exposing the sidewalls of a trench and its use to the forming of a metal silicide substrate contact for dielectric filled deep trench isolated devices |
US5278438A (en) | 1991-12-19 | 1994-01-11 | North American Philips Corporation | Electrically erasable and programmable read-only memory with source and drain regions along sidewalls of a trench structure |
US5574299A (en) | 1994-03-28 | 1996-11-12 | Samsung Electronics Co., Ltd. | Semiconductor device having vertical conduction transistors and cylindrical cell gates |
US6159789A (en) | 1999-03-09 | 2000-12-12 | United Semiconductor Corp. | Method for fabricating capacitor |
US6440801B1 (en) | 1997-01-22 | 2002-08-27 | International Business Machines Corporation | Structure for folded architecture pillar memory cell |
Family Cites Families (41)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0834302B2 (ja) * | 1990-04-21 | 1996-03-29 | 株式会社東芝 | 半導体記憶装置 |
US5071782A (en) | 1990-06-28 | 1991-12-10 | Texas Instruments Incorporated | Vertical memory cell array and method of fabrication |
US5013680A (en) * | 1990-07-18 | 1991-05-07 | Micron Technology, Inc. | Process for fabricating a DRAM array having feature widths that transcend the resolution limit of available photolithography |
US5122848A (en) * | 1991-04-08 | 1992-06-16 | Micron Technology, Inc. | Insulated-gate vertical field-effect transistor with high current drive and minimum overlap capacitance |
JP2679668B2 (ja) * | 1995-03-17 | 1997-11-19 | 日本電気株式会社 | 半導体装置およびその製造方法 |
US5929477A (en) | 1997-01-22 | 1999-07-27 | International Business Machines Corporation | Self-aligned diffused source vertical transistors with stack capacitors in a 4F-square memory cell array |
US6034389A (en) | 1997-01-22 | 2000-03-07 | International Business Machines Corporation | Self-aligned diffused source vertical transistors with deep trench capacitors in a 4F-square memory cell array |
US5874760A (en) | 1997-01-22 | 1999-02-23 | International Business Machines Corporation | 4F-square memory cell having vertical floating-gate transistors with self-aligned shallow trench isolation |
US6191470B1 (en) * | 1997-07-08 | 2001-02-20 | Micron Technology, Inc. | Semiconductor-on-insulator memory cell with buried word and body lines |
US6072209A (en) * | 1997-07-08 | 2000-06-06 | Micro Technology, Inc. | Four F2 folded bit line DRAM cell structure having buried bit and word lines |
US5909618A (en) * | 1997-07-08 | 1999-06-01 | Micron Technology, Inc. | Method of making memory cell with vertical transistor and buried word and body lines |
US6150687A (en) * | 1997-07-08 | 2000-11-21 | Micron Technology, Inc. | Memory cell having a vertical transistor with buried source/drain and dual gates |
US5963469A (en) * | 1998-02-24 | 1999-10-05 | Micron Technology, Inc. | Vertical bipolar read access for low voltage memory cell |
US6177699B1 (en) * | 1998-03-19 | 2001-01-23 | Lsi Logic Corporation | DRAM cell having a verticle transistor and a capacitor formed on the sidewalls of a trench isolation |
US6696746B1 (en) * | 1998-04-29 | 2004-02-24 | Micron Technology, Inc. | Buried conductors |
US6096598A (en) | 1998-10-29 | 2000-08-01 | International Business Machines Corporation | Method for forming pillar memory cells and device formed thereby |
US5977579A (en) * | 1998-12-03 | 1999-11-02 | Micron Technology, Inc. | Trench dram cell with vertical device and buried word lines |
US6218236B1 (en) | 1999-01-28 | 2001-04-17 | International Business Machines Corporation | Method of forming a buried bitline in a vertical DRAM device |
US6184091B1 (en) | 1999-02-01 | 2001-02-06 | Infineon Technologies North America Corp. | Formation of controlled trench top isolation layers for vertical transistors |
US6133105A (en) * | 1999-04-27 | 2000-10-17 | United Microelectronics Corp. | Method of manufacturing borderless contact hole including a silicide layer on source/drain and sidewall of trench isolation structure |
US6201730B1 (en) | 1999-06-01 | 2001-03-13 | Infineon Technologies North America Corp. | Sensing of memory cell via a plateline |
WO2000077848A1 (en) | 1999-06-10 | 2000-12-21 | Infineon Technologies North America Corp. | Self-aligned buried strap for vertical transistors in semiconductor memories |
US6355520B1 (en) | 1999-08-16 | 2002-03-12 | Infineon Technologies Ag | Method for fabricating 4F2 memory cells with improved gate conductor structure |
US6504210B1 (en) | 2000-06-23 | 2003-01-07 | International Business Machines Corporation | Fully encapsulated damascene gates for Gigabit DRAMs |
DE10041749A1 (de) * | 2000-08-27 | 2002-03-14 | Infineon Technologies Ag | Vertikale nichtflüchtige Halbleiter-Speicherzelle sowie Verfahren zu deren Herstellung |
US6537870B1 (en) | 2000-09-29 | 2003-03-25 | Infineon Technologies Ag | Method of forming an integrated circuit comprising a self aligned trench |
US6498062B2 (en) * | 2001-04-27 | 2002-12-24 | Micron Technology, Inc. | DRAM access transistor |
US6541810B2 (en) | 2001-06-29 | 2003-04-01 | International Business Machines Corporation | Modified vertical MOSFET and methods of formation thereof |
US7071043B2 (en) * | 2002-08-15 | 2006-07-04 | Micron Technology, Inc. | Methods of forming a field effect transistor having source/drain material over insulative material |
US6579759B1 (en) | 2002-08-23 | 2003-06-17 | International Business Machines Corporation | Formation of self-aligned buried strap connector |
US7138685B2 (en) | 2002-12-11 | 2006-11-21 | International Business Machines Corporation | Vertical MOSFET SRAM cell |
JP2005031979A (ja) | 2003-07-11 | 2005-02-03 | National Institute Of Advanced Industrial & Technology | 情報処理方法、情報処理プログラム、情報処理装置およびリモートコントローラ |
US6844591B1 (en) * | 2003-09-17 | 2005-01-18 | Micron Technology, Inc. | Method of forming DRAM access transistors |
US7262089B2 (en) * | 2004-03-11 | 2007-08-28 | Micron Technology, Inc. | Methods of forming semiconductor structures |
US7122425B2 (en) * | 2004-08-24 | 2006-10-17 | Micron Technology, Inc. | Methods of forming semiconductor constructions |
US7285812B2 (en) * | 2004-09-02 | 2007-10-23 | Micron Technology, Inc. | Vertical transistors |
US7244659B2 (en) * | 2005-03-10 | 2007-07-17 | Micron Technology, Inc. | Integrated circuits and methods of forming a field effect transistor |
US7384849B2 (en) * | 2005-03-25 | 2008-06-10 | Micron Technology, Inc. | Methods of forming recessed access devices associated with semiconductor constructions |
US7214621B2 (en) * | 2005-05-18 | 2007-05-08 | Micron Technology, Inc. | Methods of forming devices associated with semiconductor constructions |
US7282401B2 (en) * | 2005-07-08 | 2007-10-16 | Micron Technology, Inc. | Method and apparatus for a self-aligned recessed access device (RAD) transistor gate |
US7349232B2 (en) * | 2006-03-15 | 2008-03-25 | Micron Technology, Inc. | 6F2 DRAM cell design with 3F-pitch folded digitline sense amplifier |
-
2004
- 2004-03-11 US US10/800,196 patent/US7262089B2/en active Active
-
2005
- 2005-02-25 JP JP2007502843A patent/JP4569845B2/ja active Active
- 2005-02-25 EP EP08008982A patent/EP1965428A3/en not_active Withdrawn
- 2005-02-25 CN CNB2005800078819A patent/CN100485938C/zh active Active
- 2005-02-25 KR KR1020067017308A patent/KR100879184B1/ko active IP Right Grant
- 2005-02-25 WO PCT/US2005/006211 patent/WO2005093836A2/en not_active Application Discontinuation
- 2005-02-25 EP EP05723890A patent/EP1723674B1/en active Active
- 2005-11-22 US US11/285,424 patent/US7453103B2/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4549927A (en) | 1984-06-29 | 1985-10-29 | International Business Machines Corporation | Method of selectively exposing the sidewalls of a trench and its use to the forming of a metal silicide substrate contact for dielectric filled deep trench isolated devices |
US5278438A (en) | 1991-12-19 | 1994-01-11 | North American Philips Corporation | Electrically erasable and programmable read-only memory with source and drain regions along sidewalls of a trench structure |
US5574299A (en) | 1994-03-28 | 1996-11-12 | Samsung Electronics Co., Ltd. | Semiconductor device having vertical conduction transistors and cylindrical cell gates |
US6440801B1 (en) | 1997-01-22 | 2002-08-27 | International Business Machines Corporation | Structure for folded architecture pillar memory cell |
US6159789A (en) | 1999-03-09 | 2000-12-12 | United Semiconductor Corp. | Method for fabricating capacitor |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102642487B1 (ko) * | 2022-08-22 | 2024-02-29 | 세메스 주식회사 | 반도체 장치 및 그 제조 방법 |
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EP1965428A3 (en) | 2009-04-15 |
KR20060126795A (ko) | 2006-12-08 |
WO2005093836A3 (en) | 2006-04-20 |
EP1723674A2 (en) | 2006-11-22 |
JP2007528609A (ja) | 2007-10-11 |
CN1930686A (zh) | 2007-03-14 |
WO2005093836B1 (en) | 2006-06-01 |
CN100485938C (zh) | 2009-05-06 |
EP1723674B1 (en) | 2012-10-17 |
US20050199932A1 (en) | 2005-09-15 |
US7453103B2 (en) | 2008-11-18 |
WO2005093836A2 (en) | 2005-10-06 |
EP1965428A2 (en) | 2008-09-03 |
US20060081884A1 (en) | 2006-04-20 |
US7262089B2 (en) | 2007-08-28 |
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