KR100497474B1 - 반도체소자의 게이트전극 형성방법 - Google Patents
반도체소자의 게이트전극 형성방법 Download PDFInfo
- Publication number
- KR100497474B1 KR100497474B1 KR10-2003-0040155A KR20030040155A KR100497474B1 KR 100497474 B1 KR100497474 B1 KR 100497474B1 KR 20030040155 A KR20030040155 A KR 20030040155A KR 100497474 B1 KR100497474 B1 KR 100497474B1
- Authority
- KR
- South Korea
- Prior art keywords
- film
- gate electrode
- metal silicide
- silicide film
- forming
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 88
- 239000004065 semiconductor Substances 0.000 title claims abstract description 19
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 52
- 229920005591 polysilicon Polymers 0.000 claims abstract description 52
- 238000005530 etching Methods 0.000 claims abstract description 32
- WQJQOUPTWCFRMM-UHFFFAOYSA-N tungsten disilicide Chemical compound [Si]#[W]#[Si] WQJQOUPTWCFRMM-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229910021342 tungsten silicide Inorganic materials 0.000 claims abstract description 28
- 238000000137 annealing Methods 0.000 claims abstract description 27
- 229910052751 metal Inorganic materials 0.000 claims abstract description 23
- 239000002184 metal Substances 0.000 claims abstract description 23
- 229910021332 silicide Inorganic materials 0.000 claims abstract description 23
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000000758 substrate Substances 0.000 claims abstract description 7
- 238000001312 dry etching Methods 0.000 claims description 4
- 238000009616 inductively coupled plasma Methods 0.000 claims description 3
- 238000002425 crystallisation Methods 0.000 claims 1
- 230000008025 crystallization Effects 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 abstract description 6
- 230000003647 oxidation Effects 0.000 description 6
- 238000007254 oxidation reaction Methods 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 3
- 238000000151 deposition Methods 0.000 description 2
- MROCJMGDEKINLD-UHFFFAOYSA-N dichlorosilane Chemical compound Cl[SiH2]Cl MROCJMGDEKINLD-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- 238000000059 patterning Methods 0.000 description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000009279 wet oxidation reaction Methods 0.000 description 1
Classifications
-
- 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
- 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
- H01L21/28247—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon passivation or protection of the electrode, e.g. using re-oxidation
-
- 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
- H01L21/28061—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 metal or metal silicide formed by deposition, e.g. sputter deposition, i.e. without a silicidation reaction
-
- 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
-
- 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
- H01L21/32133—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only
- H01L21/32135—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only by vapour etching only
- H01L21/32136—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only by vapour etching only using plasmas
- H01L21/32137—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only by vapour etching only using plasmas of silicon-containing layers
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Plasma & Fusion (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Electrodes Of Semiconductors (AREA)
- Semiconductor Memories (AREA)
- Non-Volatile Memory (AREA)
- Drying Of Semiconductors (AREA)
Abstract
Description
Claims (6)
- 반도체 기판 상부에 폴리실리콘막 및 금속실리사이드막을 순차적으로 형성하는 단계;상기 금속실리사이드막을 결정화시켜 결정화된 상기 금속실리사이드막의 식각율이 상기 폴리실리콘막과 유사하도록 어닐(anneal)공정을 수행하는 단계; 및상기 결정화된 상기 금속실리사이드막과 상기 폴리 실리콘막의 유사한 식각율이 이용되는, 상기 폴리 실리콘막을 식각하기 위한 공정조건에 의해 한 번의 식각공정으로 상기 금속 실리사이드막 및 폴리 실리막을 식각하여 게이트 전극을 형성하는 단계를 포함하는 반도체소자의 게이트전극 형성방법.
- 제1 항에 있어서, 상기 어닐공정은비결정질상태인 상기 금속실리사이드막을 결정화시켜 결정질상태의 금속실리사이드막으로 형성하기 위하여 RTP(Rapid thermal process)어닐공정 또는 퍼니스(furnace)어닐공정 중 어느 하나를 수행하는 것을 특징으로 하는 반도체소자의 게이트전극 형성방법.
- 제2 항에 있어서,상기 RTP(Rapid thermal process)어닐공정은 900~ 1000℃의 온도 범위, 10~ 30sec 시간, N2 또는 NH3 가스 분위기에서 진행하고, 상기 퍼니스(furnace)어닐공정은 850~ 1000℃의 온도, 5~ 30min 시간, N2 또는 NH3 가스분위기에서 진행하는 것을 특징으로 하는 반도체소자의 게이트전극 형성방법.
- 제1 항에 있어서, 상기 금속실리사이드막은텅스텐실리사이드막으로 형성하는 것을 특징으로 하는 반도체소자의 게이트전극 형성방법.
- 삭제
- 제1 항 또는 제5 항에 있어서, 상기 식각공정은Cl2가스와 O2 가스가 혼합된 가스가 유도결합 플라즈마 챔버로 유입하도록 하여 수행하는 건식식각공정인 것을 특징으로 하는 반도체소자의 게이트전극 형성방법.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2003-0040155A KR100497474B1 (ko) | 2003-06-20 | 2003-06-20 | 반도체소자의 게이트전극 형성방법 |
JP2003388843A JP2005012159A (ja) | 2003-06-20 | 2003-11-19 | 半導体素子のゲート電極形成方法 |
DE10354814A DE10354814B4 (de) | 2003-06-20 | 2003-11-21 | Verfahren zum Bilden einer Gate-Elektrode in einem Halbleiterbauelement |
US10/722,814 US7179707B2 (en) | 2003-06-20 | 2003-11-26 | Method of forming gate electrode in semiconductor device |
TW092133188A TWI300622B (en) | 2003-06-20 | 2003-11-26 | Method of forming gate electrode in semiconductor device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2003-0040155A KR100497474B1 (ko) | 2003-06-20 | 2003-06-20 | 반도체소자의 게이트전극 형성방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040110016A KR20040110016A (ko) | 2004-12-29 |
KR100497474B1 true KR100497474B1 (ko) | 2005-07-01 |
Family
ID=33509724
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2003-0040155A KR100497474B1 (ko) | 2003-06-20 | 2003-06-20 | 반도체소자의 게이트전극 형성방법 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7179707B2 (ko) |
JP (1) | JP2005012159A (ko) |
KR (1) | KR100497474B1 (ko) |
DE (1) | DE10354814B4 (ko) |
TW (1) | TWI300622B (ko) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4307919B2 (ja) * | 2003-06-27 | 2009-08-05 | 三洋電機株式会社 | 半導体装置の製造方法 |
KR100609942B1 (ko) * | 2004-01-09 | 2006-08-08 | 에스티마이크로일렉트로닉스 엔.브이. | 플래쉬 메모리 셀의 제조 방법 |
KR100586009B1 (ko) * | 2004-05-31 | 2006-06-01 | 삼성전자주식회사 | 반도체 장치의 제조 방법 및 이를 수행하기 위한 장치 |
KR100673242B1 (ko) * | 2005-06-24 | 2007-01-22 | 주식회사 하이닉스반도체 | 플래쉬 메모리 소자의 유전체막 제조방법 |
KR100714039B1 (ko) * | 2006-05-10 | 2007-05-04 | 주식회사 하이닉스반도체 | 반도체 소자의 제조 방법 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH047822A (ja) * | 1990-04-25 | 1992-01-13 | Fuji Xerox Co Ltd | 半導体装置の製造方法 |
JPH0779102B2 (ja) * | 1990-08-23 | 1995-08-23 | 富士通株式会社 | 半導体装置の製造方法 |
JP3327109B2 (ja) * | 1996-04-08 | 2002-09-24 | ソニー株式会社 | 半導体装置の製造方法 |
US6159811A (en) * | 1996-05-15 | 2000-12-12 | Samsung Electronics Co., Ltd. | Methods for patterning microelectronic structures using chlorine, oxygen, and fluorine |
JPH10223561A (ja) * | 1997-02-10 | 1998-08-21 | Nec Corp | 半導体装置の製造方法 |
KR100425147B1 (ko) * | 1997-09-29 | 2004-05-17 | 주식회사 하이닉스반도체 | 반도체소자의제조방법 |
US6376348B1 (en) * | 1997-09-30 | 2002-04-23 | Siemens Aktiengesellschaft | Reliable polycide gate stack with reduced sheet resistance and thickness |
JPH11289021A (ja) * | 1998-04-02 | 1999-10-19 | Hitachi Ltd | 半導体集積回路装置およびその製造方法ならびにマイクロコンピュータ |
US6380029B1 (en) * | 1998-12-04 | 2002-04-30 | Advanced Micro Devices, Inc. | Method of forming ono stacked films and DCS tungsten silicide gate to improve polycide gate performance for flash memory devices |
US6277736B1 (en) * | 1998-12-08 | 2001-08-21 | United Microelectronics, Corp. | Method for forming gate |
WO2000052749A1 (en) * | 1999-03-05 | 2000-09-08 | Applied Materials, Inc. | Method for enhancing etching of titanium silicide |
US6228695B1 (en) * | 1999-05-27 | 2001-05-08 | Taiwan Semiconductor Manufacturing Company | Method to fabricate split-gate with self-aligned source and self-aligned floating gate to control gate |
JP2001068670A (ja) * | 1999-08-30 | 2001-03-16 | Nec Corp | 半導体装置の製造方法 |
KR20020044261A (ko) * | 2000-12-05 | 2002-06-15 | 박종섭 | 플래쉬 메모리 셀의 제조 방법 |
JP2002359231A (ja) * | 2001-05-31 | 2002-12-13 | Hitachi Ltd | 半導体集積回路装置の製造方法 |
US6642112B1 (en) * | 2001-07-30 | 2003-11-04 | Zilog, Inc. | Non-oxidizing spacer densification method for manufacturing semiconductor devices |
-
2003
- 2003-06-20 KR KR10-2003-0040155A patent/KR100497474B1/ko active IP Right Grant
- 2003-11-19 JP JP2003388843A patent/JP2005012159A/ja active Pending
- 2003-11-21 DE DE10354814A patent/DE10354814B4/de not_active Expired - Fee Related
- 2003-11-26 TW TW092133188A patent/TWI300622B/zh not_active IP Right Cessation
- 2003-11-26 US US10/722,814 patent/US7179707B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
TWI300622B (en) | 2008-09-01 |
US20040259369A1 (en) | 2004-12-23 |
DE10354814B4 (de) | 2010-04-08 |
US7179707B2 (en) | 2007-02-20 |
TW200501410A (en) | 2005-01-01 |
KR20040110016A (ko) | 2004-12-29 |
DE10354814A1 (de) | 2005-01-05 |
JP2005012159A (ja) | 2005-01-13 |
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