KR100940439B1 - 반도체 소자의 제조방법 - Google Patents
반도체 소자의 제조방법 Download PDFInfo
- Publication number
- KR100940439B1 KR100940439B1 KR1020020084269A KR20020084269A KR100940439B1 KR 100940439 B1 KR100940439 B1 KR 100940439B1 KR 1020020084269 A KR1020020084269 A KR 1020020084269A KR 20020084269 A KR20020084269 A KR 20020084269A KR 100940439 B1 KR100940439 B1 KR 100940439B1
- Authority
- KR
- South Korea
- Prior art keywords
- oxide film
- spacer
- gate electrode
- semiconductor device
- etching process
- Prior art date
Links
- 239000004065 semiconductor Substances 0.000 title claims abstract description 35
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 66
- 125000006850 spacer group Chemical group 0.000 claims abstract description 38
- 238000005530 etching Methods 0.000 claims abstract description 27
- 239000000758 substrate Substances 0.000 claims description 14
- 238000005468 ion implantation Methods 0.000 claims description 9
- -1 spacer nitride Chemical class 0.000 claims description 8
- 150000004767 nitrides Chemical class 0.000 claims description 7
- 238000001039 wet etching Methods 0.000 claims description 5
- 238000001312 dry etching Methods 0.000 claims description 4
- 238000000151 deposition Methods 0.000 claims description 2
- 210000004185 liver Anatomy 0.000 claims 1
- 238000009938 salting Methods 0.000 abstract description 6
- 229920002120 photoresistant polymer Polymers 0.000 description 12
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 10
- 229920005591 polysilicon Polymers 0.000 description 10
- 238000010438 heat treatment Methods 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000002955 isolation Methods 0.000 description 3
- 229910021332 silicide Inorganic materials 0.000 description 3
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 3
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 229910019001 CoSi Inorganic materials 0.000 description 1
- 229910008484 TiSi Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000009279 wet oxidation reaction Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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
Abstract
Description
Claims (5)
- 삭제
- (a) 게이트 전극이 형성된 반도체 기판을 제공하는 단계;(b) 상기 게이트 전극을 덮도록 전체 구조 상부에 버퍼 산화막, 스페이서용 질화막 및 스페이서 패턴용 산화막을 순차적으로 증착하는 단계;(c) 식각공정을 실시하여 상기 스페이서 패턴용 산화막, 상기 스페이서용 질화막 및 상기 버퍼 산화막을 식각하는 단계;(d) 상기 스페이서용 질화막 상에 잔류하는 상기 스페이서 패턴용 산화막을 제거하여 상기 게이트 전극의 양측벽에 'L'자형 스페이서를 형성하는 단계;(e) 전체 구조 상부에 대하여 소오스/드레인 이온주입공정을 실시하여 상기 게이트 전극의 양측벽으로 노출되는 상기 반도체 기판에 소오스/드레인 접합영역을 형성하는 단계; 및(f) 상기 게이트 전극 및 상기 소오스/드레인 접합영역의 상부에 Ti 살리사이드층을 형성하는 단계를 포함하고,상기 (c) 단계에서 실시되는 상기 식각공정은 건식식각방식으로 실시하되, 상기 건식식각방식은 플라즈마를 이용하고, CxFy, CHFx 및 Ar 가스를 혼합한 혼합가스를 이용하여 산화막과 질화막 간의 식각 선택비가 1:1이 되도록 실시하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 2 항에 있어서,상기 (c) 단계에서 실시되는 상기 식각공정은 블랭캣 또는 에치백 방식으로 실시하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 2 항에 있어서,상기 (d) 단계에서 상기 스페이서 패턴용 산화막은 BOE 용액 또는 HF 용액을 이용한 습식식각공정에 의해 제거되는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 4 항에 있어서,상기 습식식각공정은 식각 타겟을 적어도 상기 스페이서 패턴용 산화막의 두께의 150%로 설정하여 실시하는 것을 특징으로 하는 반도체 소자의 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020020084269A KR100940439B1 (ko) | 2002-12-26 | 2002-12-26 | 반도체 소자의 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020020084269A KR100940439B1 (ko) | 2002-12-26 | 2002-12-26 | 반도체 소자의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040057511A KR20040057511A (ko) | 2004-07-02 |
KR100940439B1 true KR100940439B1 (ko) | 2010-02-10 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020020084269A KR100940439B1 (ko) | 2002-12-26 | 2002-12-26 | 반도체 소자의 제조방법 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0669156A (ja) * | 1992-08-13 | 1994-03-11 | Nec Corp | 半導体集積回路装置の製造方法 |
US6235597B1 (en) * | 1999-08-06 | 2001-05-22 | International Business Machines Corporation | Semiconductor structure having reduced silicide resistance between closely spaced gates and method of fabrication |
US6468915B1 (en) * | 2000-09-21 | 2002-10-22 | Taiwan Semiconductor Manufacturing Company | Method of silicon oxynitride ARC removal after gate etching |
US6492665B1 (en) | 1998-07-28 | 2002-12-10 | Matsushita Electric Industrial Co., Ltd. | Semiconductor device |
-
2002
- 2002-12-26 KR KR1020020084269A patent/KR100940439B1/ko active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0669156A (ja) * | 1992-08-13 | 1994-03-11 | Nec Corp | 半導体集積回路装置の製造方法 |
US6492665B1 (en) | 1998-07-28 | 2002-12-10 | Matsushita Electric Industrial Co., Ltd. | Semiconductor device |
US6235597B1 (en) * | 1999-08-06 | 2001-05-22 | International Business Machines Corporation | Semiconductor structure having reduced silicide resistance between closely spaced gates and method of fabrication |
US6468915B1 (en) * | 2000-09-21 | 2002-10-22 | Taiwan Semiconductor Manufacturing Company | Method of silicon oxynitride ARC removal after gate etching |
Also Published As
Publication number | Publication date |
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KR20040057511A (ko) | 2004-07-02 |
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