KR100846099B1 - 리세스 채널 트랜지스터를 포함하는 반도체 장치 제조 방법 - Google Patents
리세스 채널 트랜지스터를 포함하는 반도체 장치 제조 방법 Download PDFInfo
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- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System or AIIIBV compounds with or without impurities, e.g. doping materials
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- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76897—Formation of self-aligned vias or contact plugs, i.e. involving a lithographically uncritical step
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76801—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing
- H01L21/76829—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing characterised by the formation of thin functional dielectric layers, e.g. dielectric etch-stop, barrier, capping or liner layers
- H01L21/76831—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing characterised by the formation of thin functional dielectric layers, e.g. dielectric etch-stop, barrier, capping or liner layers in via holes or trenches, e.g. non-conductive sidewall liners
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- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76801—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing
- H01L21/76829—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing characterised by the formation of thin functional dielectric layers, e.g. dielectric etch-stop, barrier, capping or liner layers
- H01L21/76834—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing characterised by the formation of thin functional dielectric layers, e.g. dielectric etch-stop, barrier, capping or liner layers formation of thin insulating films on the sidewalls or on top of conductors
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- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/423—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions not carrying the current to be rectified, amplified or switched
- H01L29/42312—Gate electrodes for field effect devices
- H01L29/42316—Gate electrodes for field effect devices for field-effect transistors
- H01L29/4232—Gate electrodes for field effect devices for field-effect transistors with insulated gate
- H01L29/42356—Disposition, e.g. buried gate electrode
- H01L29/4236—Disposition, e.g. buried gate electrode within a trench, e.g. trench gate electrode, groove gate electrode
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- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
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- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/66568—Lateral single gate silicon transistors
- H01L29/66613—Lateral single gate silicon transistors with a gate recessing step, e.g. using local oxidation
- H01L29/66621—Lateral single gate silicon transistors with a gate recessing step, e.g. using local oxidation using etching to form a recess at the gate location
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- H10B—ELECTRONIC MEMORY DEVICES
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- 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
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- 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
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- 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
- H10B12/318—DRAM devices comprising one-transistor - one-capacitor [1T-1C] memory cells having a storage electrode stacked over the transistor the storage electrode having multiple segments
Abstract
Description
Claims (10)
- 소자 분리막에 의해 활성 영역이 정의되고, 리세스 게이트 구조물과 상기 리세스 게이트 구조물에 인접하는 제1 및 제2 콘택 영역을 포함하는 리세스 채널 트랜지스터가 형성된 기판을 마련하는 단계;상기 기판의 소자 분리막 상에 활성 영역의 리세스 채널 트랜지스터를 노출시키는 제1 개구를 갖는 절연막 패턴을 형성하는 단계;상기 절연막 패턴의 제1 개구에 매몰된 제1 도전막 패턴을 형성하는 단계;상기 제1 도전막 패턴 식각하여 상기 제1 콘택 영역을 노출시키는 제2 개구를 형성함으로써 상기 제2 개구에 의해 분리된 제1 도전성 패드를 형성하는 단계;상기 제2 개구에 노출된 제1 도전성 패드의 측벽에 스페이서를 형성하는 단계; 및상기 스페이서가 형성된 제2 개구에 매몰된 제2 도전성 패드를 형성하는 단계를 포함하는 반도체 소자의 제조방법.
- 제1항에 있어서, 상기 절연막 패턴은 실리콘 산화물을 포함하고, 상기 소자 분리막에 의해 정의되는 기판의 활성 영역을 노출시키는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제1항에 있어서, 상기 게이트 구조물의 상면은 상기 기판의 상면과 동일한 높이를 갖도록 형성하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제1항에 있어서, 상기 게이트 구조물은,상기 소자분리막이 형성된 기판에 리세스를 형성하는 단계;상기 리세스의 측벽과 저면에 게이트 산화막을 연속적으로 형성하는 단계;상기 게이트 산화막이 형성된 트렌치에 매몰된 도전막 패턴을 형성하는 단계;상기 리세스 내에 매몰된 도전막 패턴 및 상기 게이트 산화막을 전면 식각하여, 상기 리세스 내에 상기 게이트 산화막 패턴 및 상기 게이트 전극을 형성하는 단계; 및상기 리세스를 매몰하고, 상기 게이트 전극 상에 존재하는 게이트 마스크를 형성하는 단계를 수행하여 형성하는 것을 특징으로 하는 반도체 장치 제조 방법.
- 제4항에 있어서, 상기 게이트 마스크는 산화물(Oxide), 실리콘산질화물(SiON) 및 실리콘질화물(SiN)로 이루어지는 군에서 선택되는 어느 하나의 물질로 형성하는 것을 특징으로 하는 반도체 장치 제조 방법.
- 제1항에 있어서, 상기 제1 도전막 패턴은상기 제1 개구를 갖는 절연막 패턴 상에 상기 제1 개구를 매몰하는 제1 도전막을 형성하는 단계; 및상기 제1 도전막을 상기 절연막 패턴의 표면이 노출될 때까지 전면 식각하는 단계를 수행하여 형성하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제1항에 있어서, 상기 제1 도전성 패드는 상기 기판의 제2 콘택 영역과 전기적으로 연결되도록 형성하고, 상기 제2 도전성 패드는 상기 제1 콘택 영역과 전기적으로 연결되도록 형성하는 것을 특징으로 하는 반도체 소자의 제조방법
- 제1항에 있어서, 상기 제1 도전성 패드는 불순물이 도핑된 폴리실리콘 폴리실리콘, 금속 또는 상기 폴리실리콘과 금속을 포함하고, 상기 제2 도전성 패드는 불순물이 도핑된 폴리실리콘, 금속 또는 상기 폴리실리콘과 금속을 포함하는 것을 특징으로 하는 반도체 장치 제조 방법.
- 제1항에 있어서, 상기 스페이서는상기 제2 개구가 형성된 결과물 상에 스페이서막을 균일한 두께로 형성하는 단계; 및상기 스페이서막을 상기 제1 콘택 영역이 노출되도록 전면 식각하는 단계를 순차적으로 수행하여 형성하는 것을 특징으로 하는 반도체 장치 제조 방법.
- 제9항에 있어서, 상기 스페이서막은 실리콘 산화물, 실리콘 질화물 또는 실리콘 산질화물을 포함하는 것을 특징으로 하는 반도체 장치 제조 방법.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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KR1020070009243A KR100846099B1 (ko) | 2007-01-30 | 2007-01-30 | 리세스 채널 트랜지스터를 포함하는 반도체 장치 제조 방법 |
US12/017,449 US7741174B2 (en) | 2007-01-30 | 2008-01-22 | Methods of forming pad structures and related methods of manufacturing recessed channel transistors that include such pad structures |
US12/785,544 US7936012B2 (en) | 2007-01-30 | 2010-05-24 | Recessed channel transistors that include pad structures |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020070009243A KR100846099B1 (ko) | 2007-01-30 | 2007-01-30 | 리세스 채널 트랜지스터를 포함하는 반도체 장치 제조 방법 |
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KR100846099B1 true KR100846099B1 (ko) | 2008-07-14 |
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KR1020070009243A KR100846099B1 (ko) | 2007-01-30 | 2007-01-30 | 리세스 채널 트랜지스터를 포함하는 반도체 장치 제조 방법 |
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US (2) | US7741174B2 (ko) |
KR (1) | KR100846099B1 (ko) |
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KR101095828B1 (ko) | 2009-06-29 | 2011-12-16 | 주식회사 하이닉스반도체 | 반도체 소자의 형성 방법 |
US8604558B2 (en) | 2010-03-10 | 2013-12-10 | Samsung Electronics Co., Ltd. | Semiconductor device having improved reliability |
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KR100846099B1 (ko) * | 2007-01-30 | 2008-07-14 | 삼성전자주식회사 | 리세스 채널 트랜지스터를 포함하는 반도체 장치 제조 방법 |
KR101102715B1 (ko) * | 2009-04-08 | 2012-01-05 | 주식회사 하이닉스반도체 | 반도체 소자 및 그 형성 방법 |
WO2011075573A1 (en) | 2009-12-18 | 2011-06-23 | Scion Neurostim, Llc | Devices and methods for vestibular and/or cranial nerve stimulation |
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WO2012083098A1 (en) | 2010-12-16 | 2012-06-21 | Scion Neurostim, Llc | Apparatus and methods for producing brain activation via the vestibular system with time-varying waveforms |
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CN104347374A (zh) * | 2013-07-30 | 2015-02-11 | 北大方正集团有限公司 | 半导体器件制造方法 |
CN107818980B (zh) | 2016-09-12 | 2019-07-05 | 联华电子股份有限公司 | 有源区域结构以及其形成方法 |
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JP2001185729A (ja) | 1999-12-22 | 2001-07-06 | Takehide Shirato | Mis電界効果トランジスタ及びその製造方法 |
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US8604558B2 (en) | 2010-03-10 | 2013-12-10 | Samsung Electronics Co., Ltd. | Semiconductor device having improved reliability |
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US7741174B2 (en) | 2010-06-22 |
US20100227463A1 (en) | 2010-09-09 |
US7936012B2 (en) | 2011-05-03 |
US20080182399A1 (en) | 2008-07-31 |
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