KR19980018188A - 비정질화된 폴리실리콘을 사용하는 서브미크론 마이크로일렉트로닉스 응용을 위한 자기 정렬 POCl₃제조 방법 - Google Patents
비정질화된 폴리실리콘을 사용하는 서브미크론 마이크로일렉트로닉스 응용을 위한 자기 정렬 POCl₃제조 방법 Download PDFInfo
- Publication number
- KR19980018188A KR19980018188A KR1019970033200A KR19970033200A KR19980018188A KR 19980018188 A KR19980018188 A KR 19980018188A KR 1019970033200 A KR1019970033200 A KR 1019970033200A KR 19970033200 A KR19970033200 A KR 19970033200A KR 19980018188 A KR19980018188 A KR 19980018188A
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- Prior art keywords
- layer
- polysilicon
- pocl
- gate
- forming
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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
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/01—Manufacture or treatment
- H10D30/021—Manufacture or treatment of FETs having insulated gates [IGFET]
- H10D30/0223—Manufacture or treatment of FETs having insulated gates [IGFET] having source and drain regions or source and drain extensions self-aligned to sides of the gate
- H10D30/0227—Manufacture or treatment of FETs having insulated gates [IGFET] having source and drain regions or source and drain extensions self-aligned to sides of the gate having both lightly-doped source and drain extensions and source and drain regions self-aligned to the sides of the gate, e.g. lightly-doped drain [LDD] MOSFET or double-diffused drain [DDD] MOSFET
-
- 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
- H01L21/28035—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor the final conductor layer next to the insulator being silicon, e.g. polysilicon, with or without impurities
- H01L21/28044—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor the final conductor layer next to the insulator being silicon, e.g. polysilicon, with or without impurities the conductor comprising at least another non-silicon conductive layer
- H01L21/28052—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor the final conductor layer next to the insulator being silicon, e.g. polysilicon, with or without impurities the conductor comprising at least another non-silicon conductive layer the conductor comprising a silicide layer formed by the silicidation reaction of silicon with a metal layer
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Electrodes Of Semiconductors (AREA)
Abstract
Description
Claims (3)
- 폴리실리콘 영역이 반도체 기판내에 형성된 필드 산화물 영역들 사이의 반도체 기판상에 형성되는 실리콘 산화물에 중첩되며, 집적회로 구조물의 일부분으로써 형성되는 폴리실리콘 영역 내부로 인을 주입하는 방법에 있어서,(a) 상기 폴리실리콘 영역을 비정질화하는 단계;(b) (a) 단계로 형성되는 구조물상에 실리콘 산화물층을 형성하는 단계;(c) 화학적 기계적인 폴리싱 (CMP) 단계를 수행하여 비정질화된 폴리실리콘 영역의 상부 표면을 노출시키는 단계;(d) (c) 단계로 형성되는 구조물상에 포스포러스 옥시클로라이드 (POCl3) 를 포함하는 소오스 재료층을 형성하는 단계;(e) 상기 소오스 재료층을 열적으로 어닐링하여 상기 소오스 재료층으로부터 인을 아래쪽의 비정질화된 폴리실리콘 영역 내부로 주입하는 단계; 및(f) 소오스 재료층을 제거하는 단계를 구비하는 것을 특징으로 하는 방법.
- (a) 반도체 기판에 트렌치 격리 필드 산화물 영역들을 형성하여 그것들 사이에 액티브 디바이스 기판 영역을 정의하는 단계;(b) 상기 액티브 디바이스 기판 영역의 표면상에 게이트 실리콘 산화물층을 형성하는 단계;(c) 폴리실리콘층 및 아래쪽의 게이트 실리콘 산화물층을 형성하여 MOS 트랜지스터의 폴리실리콘 게이트를 정의하고, 상기 폴리실리콘 게이트는 게이트 실리콘 산화물을 아래에 놓음으로써 상기 실리콘 기판으로부터 분리되며, 상기 액티브 디바이스 기판 영역의 소오스/드레인 영역들을 노출시키는 단계;(e) 낮은 밀도 확산 단계를 수행하고, 그럼으로써 제 1 N 형 도펀트를 소오스/드레인 영역 내부로 주입하는 단계;(f) 폴리실리콘 게이트의 측벽들 및 게이트 실리콘 산화물의 영역상에 측벽 공간들을 형성하는 단계;(g) 이온 주입 단계를 수행하고, 그럼으로써 폴리실리콘 게이트가 비정질화되도록 소오스/드레인 영역들 및 폴리실리콘 게이트 내부로 제 2 N 형 도펀트를 주입하는 단계;(h) (g) 단계로 형성된 구조물상에 실리콘 산화물층을 형성하는 단계;(i) 화학적 기계적인 폴리싱 (CMP) 을 수행하여 비정질화된 폴리실리콘 게이트의 상부 표면을 노출시키는 단계;(j) (i) 단계로 형성된 구조물상에 포스포러스 옥시클로라이드 (POCl3) 의 층을 형성하는 단계;(k) POCl3층을 열적으로 어닐링하여 POCl3층으로부터 인을 비정질화된 폴리실리콘 게이트 내부로 주입하는 단계;(l) POCl3층을 제거하는 단계;(m) (l) 단계로 형성된 구조물상에 절연 재료층을 형성하는 단계;(n) (m) 단계로 형성된 구조물에 접촉공을 형성하여 소오스/드레인 영역들 및 폴리실리콘 게이트의 상부 표면을 노출시키는 단계; 및(o) (n) 단계로 형성된 구조물상에 금속화층을 형성하여 금속화층이 소오스/드레인 영역들 및 폴리실리콘 게이트의 노출된 상부 표면과 전기적인 접촉을 형성하도록 금속화층을 접촉공 내부로 연장하는 단계를 구비하는 것을 특징으로 하는 반도체 기판에 MOS 트랜지스터를 형성하는 방법.
- 제 2 항에 있어서,(l) 단계로 형성된 구조물상에 티타늄층을 형성하는 단계;초기 온도에서 제 1 어닐링 단계를 수행하여 폴리실리콘 게이트상에 제 1 페이즈 실리콘을 형성하는 단계;반응되지 않은 티타늄을 제거하는 단계; 및제 1 온도보다 높은 제 2 온도에서 제 2 어닐링 단계를 수행하여 폴리실리콘 게이트상에 제 2 페이즈 실리콘을 형성하는 단계를 (l) 단계와 (m) 단계 사이에서 수행하는 것을 특징으로 하는 방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US8/689,334 | 1996-08-08 | ||
US08/689,334 US5843834A (en) | 1996-08-08 | 1996-08-08 | Self-aligned POCL3 process flow for submicron microelectronics applications using amorphized polysilicon |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19980018188A true KR19980018188A (ko) | 1998-06-05 |
KR100271265B1 KR100271265B1 (ko) | 2000-12-01 |
Family
ID=24768008
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019970033200A KR100271265B1 (ko) | 1996-08-08 | 1997-07-16 | 비정질화된폴리실리콘을사용하는서브미크론마이크로일렉트로닉스응용을위한자기정렬poci₃제조방법 |
Country Status (3)
Country | Link |
---|---|
US (1) | US5843834A (ko) |
KR (1) | KR100271265B1 (ko) |
DE (1) | DE19731857C2 (ko) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5736419A (en) * | 1996-11-12 | 1998-04-07 | National Semiconductor Corporation | Method of fabricating a raised source/drain MOSFET using self-aligned POCl3 for doping gate/source/drain regions |
US6143613A (en) * | 1997-06-30 | 2000-11-07 | Vlsi Technology, Inc. | Selective exclusion of silicide formation to make polysilicon resistors |
US6420273B1 (en) | 1997-06-30 | 2002-07-16 | Koninklijke Philips Electronics N.V. | Self-aligned etch-stop layer formation for semiconductor devices |
US6074921A (en) * | 1997-06-30 | 2000-06-13 | Vlsi Technology, Inc. | Self-aligned processing of semiconductor device features |
US6207543B1 (en) | 1997-06-30 | 2001-03-27 | Vlsi Technology, Inc. | Metallization technique for gate electrodes and local interconnects |
US5953612A (en) * | 1997-06-30 | 1999-09-14 | Vlsi Technology, Inc. | Self-aligned silicidation technique to independently form silicides of different thickness on a semiconductor device |
US6051467A (en) * | 1998-04-02 | 2000-04-18 | Chartered Semiconductor Manufacturing, Ltd. | Method to fabricate a large planar area ONO interpoly dielectric in flash device |
US6150216A (en) * | 1998-12-29 | 2000-11-21 | United Microelectronics Corp. | Method for forming an electrode of semiconductor device capacitor |
US6194299B1 (en) * | 1999-06-03 | 2001-02-27 | Advanced Micro Devices, Inc. | Method for fabrication of a low resistivity MOSFET gate with thick metal on polysilicon |
JP4449076B2 (ja) * | 2004-04-16 | 2010-04-14 | セイコーエプソン株式会社 | 半導体装置の製造方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5624863A (en) * | 1995-07-17 | 1997-04-29 | Micron Technology, Inc. | Semiconductor processing method of forming complementary N-type doped and P-type doped active regions within a semiconductor substrate |
US5637525A (en) * | 1995-10-20 | 1997-06-10 | Micron Technology, Inc. | Method of forming a CMOS circuitry |
JP2785772B2 (ja) * | 1995-11-20 | 1998-08-13 | 日本電気株式会社 | 半導体装置の製造方法 |
-
1996
- 1996-08-08 US US08/689,334 patent/US5843834A/en not_active Expired - Fee Related
-
1997
- 1997-07-16 KR KR1019970033200A patent/KR100271265B1/ko not_active IP Right Cessation
- 1997-07-24 DE DE19731857A patent/DE19731857C2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE19731857A1 (de) | 1998-02-12 |
KR100271265B1 (ko) | 2000-12-01 |
US5843834A (en) | 1998-12-01 |
DE19731857C2 (de) | 2000-04-13 |
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