KR100799133B1 - 반도체소자의 리세스게이트 제조 방법 - Google Patents
반도체소자의 리세스게이트 제조 방법 Download PDFInfo
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- KR100799133B1 KR100799133B1 KR1020060078945A KR20060078945A KR100799133B1 KR 100799133 B1 KR100799133 B1 KR 100799133B1 KR 1020060078945 A KR1020060078945 A KR 1020060078945A KR 20060078945 A KR20060078945 A KR 20060078945A KR 100799133 B1 KR100799133 B1 KR 100799133B1
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- semiconductor device
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- 238000000034 method Methods 0.000 title claims abstract description 34
- 239000004065 semiconductor Substances 0.000 title claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 238000005530 etching Methods 0.000 claims abstract description 34
- 239000007789 gas Substances 0.000 claims abstract description 32
- CPELXLSAUQHCOX-UHFFFAOYSA-N Hydrogen bromide Chemical compound Br CPELXLSAUQHCOX-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 17
- 239000011737 fluorine Substances 0.000 claims abstract description 16
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000000758 substrate Substances 0.000 claims abstract description 10
- 229910000042 hydrogen bromide Inorganic materials 0.000 claims abstract description 8
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910001882 dioxygen Inorganic materials 0.000 claims abstract description 7
- 239000011261 inert gas Substances 0.000 claims abstract description 7
- 239000001307 helium Substances 0.000 claims abstract description 3
- 229910052734 helium Inorganic materials 0.000 claims abstract description 3
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims abstract description 3
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 claims abstract 4
- 238000012805 post-processing Methods 0.000 claims description 7
- 238000011065 in-situ storage Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 abstract description 7
- XPDWGBQVDMORPB-UHFFFAOYSA-N Fluoroform Chemical compound FC(F)F XPDWGBQVDMORPB-UHFFFAOYSA-N 0.000 abstract 1
- 239000000460 chlorine Substances 0.000 description 12
- 238000002955 isolation Methods 0.000 description 11
- 230000004888 barrier function Effects 0.000 description 10
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 7
- 229920005591 polysilicon Polymers 0.000 description 7
- 229910052801 chlorine Inorganic materials 0.000 description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- 239000002210 silicon-based material Substances 0.000 description 2
- 238000003486 chemical etching Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- WNUPENMBHHEARK-UHFFFAOYSA-N silicon tungsten Chemical compound [Si].[W] WNUPENMBHHEARK-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- WQJQOUPTWCFRMM-UHFFFAOYSA-N tungsten disilicide Chemical compound [Si]#[W]#[Si] WQJQOUPTWCFRMM-UHFFFAOYSA-N 0.000 description 1
- 229910021342 tungsten silicide Inorganic materials 0.000 description 1
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Classifications
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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
- H10B12/01—Manufacture or treatment
- H10B12/02—Manufacture or treatment for one transistor one-capacitor [1T-1C] memory cells
- H10B12/05—Making the transistor
- H10B12/053—Making the transistor the transistor being at least partially in a trench in the substrate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- 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
- H01L21/02—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 potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
- H01L21/28008—Making conductor-insulator-semiconductor electrodes
- H01L21/28017—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon
- H01L21/28026—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor
- H01L21/28123—Lithography-related aspects, e.g. sub-lithography lengths; Isolation-related aspects, e.g. to solve problems arising at the crossing with the side of the device isolation; Planarisation aspects
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- 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
- H01L21/02—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 potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
- H01L21/3065—Plasma etching; Reactive-ion etching
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- 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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Ceramic Engineering (AREA)
- Plasma & Fusion (AREA)
- Drying Of Semiconductors (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
Description
Claims (10)
- 반도체기판의 활성영역을 선택적으로 식각하여 리세스패턴을 형성하는 단계;불소계 가스, 산소 가스 및 비활성가스가 혼합된 혼합가스의 플라즈마를 이용하여 상기 리세스패턴을 후처리하는 단계; 및상기 리세스패턴 상에 게이트 패턴을 형성하는 단계를 포함하는 반도체 소자의 리세스 게이트 제조 방법.
- 삭제
- 삭제
- 제1항에 있어서,상기 불소계 가스는,CF4, SF6 또는 CHF3 중에서 선택된 적어도 어느 하나를 사용하는 반도체소자의 리세스게이트 제조 방법.
- 제1항에 있어서,상기 비활성가스는 헬륨가스를 사용하는 반도체소자의 리세스게이트 제조 방법.
- 제1항에 있어서,상기 후처리하는 단계는,챔버의 압력을 2∼30mTorr로 유지하고, 소스파워를 500W∼2000W로 사용하는 반도체소자의 리세스게이트 제조 방법.
- 제6항에 있어서,상기 후처리하는 단계는,바이어스파워를 사용하지 않거나, 또는 바이어스파워를 1∼100W로 사용하는 반도체소자의 리세스게이트 제조 방법.
- 제1항, 제4항, 제5항, 제6항 또는 제7항 중 어느 한 항에 있어서,상기 리세스패턴을 형성하는 단계와 상기 후처리하는 단계는,동일 챔버 내에서 인시튜로 진행하는 반도체소자의 리세스게이트 제조 방법.
- 제8항에 있어서,상기 리세스패턴을 형성하는 단계는,브롬화수소, 염소가스 및 산소가스의 혼합가스를 사용하는 반도체소자의 리세스게이트 제조 방법.
- 제9항에 있어서,상기 브롬화수소와 염소가스의 혼합가스 대 상기 산소가스의 유량비율은 20:1∼30:1로 하고, 상기 브롬화수소 대 염소가스의 유량비율은 2:1∼5:1로 하는 반도체소자의 리세스게이트 제조 방법.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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KR1020060078945A KR100799133B1 (ko) | 2006-08-21 | 2006-08-21 | 반도체소자의 리세스게이트 제조 방법 |
US11/594,072 US7557030B2 (en) | 2006-08-21 | 2006-11-08 | Method for fabricating a recess gate in a semiconductor device |
CN2006101451865A CN101131924B (zh) | 2006-08-21 | 2006-11-17 | 在半导体器件中制造凹槽栅极的方法 |
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KR1020060078945A KR100799133B1 (ko) | 2006-08-21 | 2006-08-21 | 반도체소자의 리세스게이트 제조 방법 |
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KR100799133B1 true KR100799133B1 (ko) | 2008-01-29 |
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US (1) | US7557030B2 (ko) |
KR (1) | KR100799133B1 (ko) |
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KR101004482B1 (ko) * | 2008-05-27 | 2010-12-31 | 주식회사 하이닉스반도체 | 반도체 소자의 형성 방법 |
CN113594031A (zh) * | 2021-07-29 | 2021-11-02 | 上海华力微电子有限公司 | 半导体器件的制备方法 |
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KR20050043408A (ko) * | 2003-11-06 | 2005-05-11 | 삼성전자주식회사 | 리세스 게이트 트랜지스터에서의 리세스 형성방법 |
KR20060075965A (ko) * | 2004-12-29 | 2006-07-04 | 주식회사 하이닉스반도체 | 리세스 게이트를 갖는 반도체장치의 제조 방법 |
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JP3297220B2 (ja) * | 1993-10-29 | 2002-07-02 | 株式会社東芝 | 半導体装置の製造方法および半導体装置 |
KR100413890B1 (ko) * | 1995-03-02 | 2004-03-19 | 동경 엘렉트론 주식회사 | 반도체장치의제조방법및제조장치 |
US5851302A (en) * | 1997-02-19 | 1998-12-22 | Vlsi Technology, Inc. | Method for dry etching sidewall polymer |
US6232219B1 (en) * | 1998-05-20 | 2001-05-15 | Micron Technology, Inc. | Self-limiting method of reducing contamination in a contact opening, method of making contacts and semiconductor devices therewith, and resulting structures |
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JP3907151B2 (ja) * | 2000-01-25 | 2007-04-18 | 株式会社東芝 | 半導体装置の製造方法 |
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US6534397B1 (en) * | 2001-07-13 | 2003-03-18 | Advanced Micro Devices, Inc. | Pre-treatment of low-k dielectric for prevention of photoresist poisoning |
US6649531B2 (en) * | 2001-11-26 | 2003-11-18 | International Business Machines Corporation | Process for forming a damascene structure |
US6667246B2 (en) * | 2001-12-04 | 2003-12-23 | Matsushita Electric Industrial Co., Ltd. | Wet-etching method and method for manufacturing semiconductor device |
KR100604816B1 (ko) * | 2003-05-19 | 2006-07-28 | 삼성전자주식회사 | 집적 회로 소자 리세스 트랜지스터의 제조 방법 및 이에의해 제조된 집적회로 소자 리세스 트랜지스터 |
JP4041785B2 (ja) * | 2003-09-26 | 2008-01-30 | 松下電器産業株式会社 | 半導体装置の製造方法 |
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KR100615593B1 (ko) * | 2004-05-06 | 2006-08-25 | 주식회사 하이닉스반도체 | 리세스채널을 구비한 반도체소자의 제조 방법 |
KR20060065965A (ko) * | 2004-12-11 | 2006-06-15 | 엘지전자 주식회사 | 휴대단말기의 커서 방향이동 장치 및 방법 및 구조 |
JP2006203035A (ja) | 2005-01-21 | 2006-08-03 | Tokyo Electron Ltd | プラズマエッチング方法 |
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- 2006-11-08 US US11/594,072 patent/US7557030B2/en active Active
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KR20050043408A (ko) * | 2003-11-06 | 2005-05-11 | 삼성전자주식회사 | 리세스 게이트 트랜지스터에서의 리세스 형성방법 |
KR20060075965A (ko) * | 2004-12-29 | 2006-07-04 | 주식회사 하이닉스반도체 | 리세스 게이트를 갖는 반도체장치의 제조 방법 |
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US20080044992A1 (en) | 2008-02-21 |
CN101131924A (zh) | 2008-02-27 |
CN101131924B (zh) | 2010-05-12 |
US7557030B2 (en) | 2009-07-07 |
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