KR100571629B1 - 반도체 소자 제조 방법 - Google Patents
반도체 소자 제조 방법 Download PDFInfo
- Publication number
- KR100571629B1 KR100571629B1 KR1020040069027A KR20040069027A KR100571629B1 KR 100571629 B1 KR100571629 B1 KR 100571629B1 KR 1020040069027 A KR1020040069027 A KR 1020040069027A KR 20040069027 A KR20040069027 A KR 20040069027A KR 100571629 B1 KR100571629 B1 KR 100571629B1
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- South Korea
- Prior art keywords
- etching
- region
- semiconductor device
- line width
- etched layer
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- Legal status (The legal status 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 status listed.)
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 238000005530 etching Methods 0.000 claims abstract description 28
- 238000000034 method Methods 0.000 claims abstract description 22
- 239000000758 substrate Substances 0.000 claims abstract description 7
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 11
- 229920005591 polysilicon Polymers 0.000 claims description 11
- 150000004767 nitrides Chemical class 0.000 claims description 9
- 239000007789 gas Substances 0.000 claims description 5
- 238000003486 chemical etching Methods 0.000 claims description 3
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- 229910052731 fluorine Inorganic materials 0.000 claims 1
- 239000011737 fluorine Substances 0.000 claims 1
- 230000001939 inductive effect Effects 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 238000001020 plasma etching Methods 0.000 claims 1
- WQJQOUPTWCFRMM-UHFFFAOYSA-N tungsten disilicide Chemical group [Si]#[W]#[Si] WQJQOUPTWCFRMM-UHFFFAOYSA-N 0.000 claims 1
- 229910021342 tungsten silicide Inorganic materials 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 abstract description 8
- 229920002120 photoresistant polymer Polymers 0.000 description 17
- 229910021332 silicide Inorganic materials 0.000 description 13
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 13
- 238000004140 cleaning Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000002161 passivation Methods 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000003667 anti-reflective effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
Images
Classifications
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- 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
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3105—After-treatment
- H01L21/311—Etching the insulating layers by chemical or physical means
- H01L21/31144—Etching the insulating layers by chemical or physical means using masks
-
- 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
- H01L21/70—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
- H01L21/76838—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 conductors
-
- 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
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3105—After-treatment
- H01L21/311—Etching the insulating layers by chemical or physical means
- H01L21/31105—Etching inorganic layers
- H01L21/31111—Etching inorganic layers by chemical means
- H01L21/31116—Etching inorganic layers by chemical means by dry-etching
-
- 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
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
- H01L21/321—After treatment
- H01L21/3213—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer
- H01L21/32139—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer using masks
-
- 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
- H10B12/09—Manufacture or treatment with simultaneous manufacture of the peripheral circuit region and memory cells
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Drying Of Semiconductors (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Abstract
Description
Claims (6)
- 반도체 기판 상에 피식각층을 형성하는 단계;제 1영역에서는 상대적으로 높은 패턴 밀도를 갖고, 제 2영역에서는 상대적으로 낮은 패턴 밀도를 갖도록, 상기 피식각층상에 복수의 식각마스크패턴을 형성하는 단계;상기 제 1영역보다 패턴 밀도가 작은 상기 제 2영역에서 상기 식각마스크패턴들의 선폭 손실을 크게 발생시키면서, 상기 피식각층 상에 성장된 자연산화막을 식각하는 단계; 및선폭 손실이 발생한 상기 식각마스크패턴을 마스크로 하여 상기 피식각층을 식각하는 단계;를 포함하는 반도체 소자 제조 방법.
- 제 1항에 있어서,상기 자연산화막을 식각하는 단계에서, 물리적인 식각보다 화학적인 식각을 유도하여, 패턴 밀도 차에 따라 상기 식각마스크패턴의 선폭 손실 차이가 발생하도록 하는 반도체 소자 제조 방법.
- 제 2항에 있어서,상기 물리적인 식각보다 화학적인 식각을 유도하기 위한 방법으로서, 챔버 압력을 상대적으로 높게 하고, 바이어스 파워를 사용하지 않는 플라즈마 식각 공정을 이용하는 반도체 소자 제조 방법.
- 제 3항에 있어서,상기 피식각층은 텅스텐실리사이드/폴리실리콘막이며, 상기 식각마스크패턴은 반사방지막/질화막인 반도체 소자 제조 방법.
- 제 4항에 있어서,상기 자연산화막을 제거하기 위한 식각은 플로린(Fluorine)가스에 산소(O2)를 첨가한 가스 분위기에서 수행하는 반도체 소자 제조 방법.
- 제 5항에 있어서,상기 챔버 압력은 50mT∼300mT 인 것을 특징으로 하는 반도체 소자 제조 방법.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040069027A KR100571629B1 (ko) | 2004-08-31 | 2004-08-31 | 반도체 소자 제조 방법 |
US11/114,083 US7338906B2 (en) | 2004-08-31 | 2005-04-26 | Method for fabricating semiconductor device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040069027A KR100571629B1 (ko) | 2004-08-31 | 2004-08-31 | 반도체 소자 제조 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060020227A KR20060020227A (ko) | 2006-03-06 |
KR100571629B1 true KR100571629B1 (ko) | 2006-04-17 |
Family
ID=35943918
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020040069027A Expired - Fee Related KR100571629B1 (ko) | 2004-08-31 | 2004-08-31 | 반도체 소자 제조 방법 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7338906B2 (ko) |
KR (1) | KR100571629B1 (ko) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100954107B1 (ko) * | 2006-12-27 | 2010-04-23 | 주식회사 하이닉스반도체 | 반도체 소자의 제조방법 |
KR100925029B1 (ko) * | 2006-12-27 | 2009-11-03 | 주식회사 하이닉스반도체 | 반도체 소자의 제조방법 |
US8304174B2 (en) | 2007-12-28 | 2012-11-06 | Hynix Semiconductor Inc. | Method for fabricating semiconductor device |
KR100966976B1 (ko) * | 2007-12-28 | 2010-06-30 | 주식회사 하이닉스반도체 | 반도체 소자의 제조 방법 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1187322A (ja) | 1997-09-12 | 1999-03-30 | Sony Corp | 半導体装置の製造方法 |
US6200907B1 (en) | 1998-12-02 | 2001-03-13 | Advanced Micro Devices, Inc. | Ultra-thin resist and barrier metal/oxide hard mask for metal etch |
KR20050028781A (ko) * | 2003-09-19 | 2005-03-23 | 어플라이드 머티어리얼스, 인코포레이티드 | 선택적 측벽 폴리머 증착에 의해 포토레지스트 트리밍공정의 임계크기 미세로딩을 제어하는 방법 |
KR20050041432A (ko) * | 2003-10-31 | 2005-05-04 | 주식회사 하이닉스반도체 | 반도체소자의 비트라인 형성방법 |
KR20050122737A (ko) * | 2004-06-25 | 2005-12-29 | 주식회사 하이닉스반도체 | 주변영역의 선폭을 줄일 수 있는 반도체 소자 제조 방법 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6204130B1 (en) * | 1997-08-29 | 2001-03-20 | Advanced Micro Devices, Inc. | Semiconductor device having reduced polysilicon gate electrode width and method of manufacture thereof |
US6551941B2 (en) * | 2001-02-22 | 2003-04-22 | Applied Materials, Inc. | Method of forming a notched silicon-containing gate structure |
KR20020091982A (ko) * | 2001-06-01 | 2002-12-11 | 삼성전자 주식회사 | 얕은 트렌치 소자분리 구조를 가지는 비휘발성 메모리소자 및 그 제조방법 |
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2004
- 2004-08-31 KR KR1020040069027A patent/KR100571629B1/ko not_active Expired - Fee Related
-
2005
- 2005-04-26 US US11/114,083 patent/US7338906B2/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1187322A (ja) | 1997-09-12 | 1999-03-30 | Sony Corp | 半導体装置の製造方法 |
US6200907B1 (en) | 1998-12-02 | 2001-03-13 | Advanced Micro Devices, Inc. | Ultra-thin resist and barrier metal/oxide hard mask for metal etch |
KR20050028781A (ko) * | 2003-09-19 | 2005-03-23 | 어플라이드 머티어리얼스, 인코포레이티드 | 선택적 측벽 폴리머 증착에 의해 포토레지스트 트리밍공정의 임계크기 미세로딩을 제어하는 방법 |
KR20050041432A (ko) * | 2003-10-31 | 2005-05-04 | 주식회사 하이닉스반도체 | 반도체소자의 비트라인 형성방법 |
KR20050122737A (ko) * | 2004-06-25 | 2005-12-29 | 주식회사 하이닉스반도체 | 주변영역의 선폭을 줄일 수 있는 반도체 소자 제조 방법 |
Also Published As
Publication number | Publication date |
---|---|
KR20060020227A (ko) | 2006-03-06 |
US7338906B2 (en) | 2008-03-04 |
US20060046494A1 (en) | 2006-03-02 |
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