KR19990034856A - 코발트/니오븀 이중 금속층 구조를 이용한 실리사이드 형성 방법 - Google Patents
코발트/니오븀 이중 금속층 구조를 이용한 실리사이드 형성 방법 Download PDFInfo
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- KR19990034856A KR19990034856A KR1019970056565A KR19970056565A KR19990034856A KR 19990034856 A KR19990034856 A KR 19990034856A KR 1019970056565 A KR1019970056565 A KR 1019970056565A KR 19970056565 A KR19970056565 A KR 19970056565A KR 19990034856 A KR19990034856 A KR 19990034856A
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- film
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- silicide
- metal film
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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
- H01L21/28—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
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/60—Electrodes characterised by their 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
- H01L21/283—Deposition of conductive or insulating materials for electrodes conducting electric current
- H01L21/285—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation
- H01L21/28506—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers
- H01L21/28512—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers on semiconductor bodies comprising elements of Group IV of the Periodic Table
- H01L21/28518—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers on semiconductor bodies comprising elements of Group IV of the Periodic Table the conductive layers comprising silicides
-
- 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
- H01L21/283—Deposition of conductive or insulating materials for electrodes conducting electric current
- H01L21/285—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation
- H01L21/28506—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers
- H01L21/28512—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers on semiconductor bodies comprising elements of Group IV of the Periodic Table
- H01L21/28568—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers on semiconductor bodies comprising elements of Group IV of the Periodic Table the conductive layers comprising transition metals
-
- 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]
- H10D30/0212—Manufacture or treatment of FETs having insulated gates [IGFET] using self-aligned silicidation
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrodes Of Semiconductors (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
Description
Claims (20)
- 반도체 기판 상에 상기 반도체 기판 보다 상대적으로 더 큰 산화 성향을 갖는 제 1 금속막과, 상기 제 1 금속막 및 반도체 기판 보다 상대적으로 더 큰 확산 계수를 갖는 제 2 금속막을 차례로 형성하여 이중 금속층을 형성하는 단계와;상기 이중 금속층을 열처리하여 제 2 금속 실리사이드막 및, 상기 제 2 금속 실리사이드막 상에 제 1 금속막과 제 2 금속막의 합금층을 형성하되, 상기 열처리로 상기 제 2 금속막의 일부가 상기 제 1 금속막을 확산 통과하여 상기 반도체 기판과 반응함으로써 형성되는 단계를 포함하는 실리사이드막 형성 방법.
- 제 1 항에 있어서,상기 제 1 금속막은 내열 금속막이고, 상기 제 2 금속막은 준 귀금속막인 실리사이드 형성 방법.
- 제 2 항에 있어서,상기 내열 금속막은, Ti, Zr, V, Nb, Hf, 그리고 Ta 막 중 어느 하나인 실리사이드막 형성 방법.
- 제 2 항에 있어서,상기 준 귀금속막은, Co 막인 실리사이드막 형성 방법.
- 제 1 항에 있어서,상기 제 1 금속막은, 상기 반도체 기판 표면의 자연산화막을 제거하여 상기 제 2 금속 실리사이드막이 상기 반도체 기판과 에피(epi)를 이루도록 하는 실리사이드막 형성 방법.
- 제 1 항에 있어서,상기 제 1 금속막은, 상기 제 2 금속막의 확산 양을 제한하여 실리사이드화 반응 정도를 조절하고, 반도체 기판의 과잉 소모를 방지하는 실리사이드막 형성 방법.
- 제 1 항에 있어서,상기 제 1 금속막의 두께는 약 100 Å이고, 상기 제 2 금속막의 두께는 약 200 Å인 실리사이드막 형성 방법.
- 제 1 항에 있어서,상기 열처리 공정은, RTA 공정으로 약 600 ~ 900 ℃, 30 초간 수행되는 실리사이드막 형성 방법.
- 제 1 항에 있어서,상기 열처리 공정은, N2 분위기에서 수행되어 상기 제 1 금속막과 제 2 금속막의 합금층 상에 제 1 금속 질화막이 형성되도록 하는 실리사이드막 형성 방법.
- 제 9 항에 있어서,상기 제 1 금속 질화막은, 상부 배선막에 대한 확산 방지막(diffusion barrier)으로 작용하는 실리사이드막 형성 방법.
- 모오스 트랜지스터의 게이트 전극 및 소오스/드레인 영역에 실리사이드막을 동시에 형성하는 살리사이드 형성 방법에 있어서,상기 게이트 전극의 상부 및 소오스/드레인 영역이 노출된 반도체 기판 상에 상기 게이트 전극 및 상기 반도체 기판 보다 상대적으로 더 큰 산화 성향을 갖는 제 1 금속막과, 상기 제 1 금속막 및 반도체 기판, 그리고 상기 게이트 전극 보다 상대적으로 더 큰 확산 계수를 갖는 제 2 금속막을 차례로 형성하여 이중 금속층을 형성하는 단계와;상기 이중 금속층을 열처리하여 상기 게이트 전극 상부 및 소오스/드레인 영역에 제 2 금속 실리사이드막 및 제 1 금속막과 제 2 금속막의 합금층을 형성하되, 상기 열처리로 상기 제 2 금속막의 일부가 상기 제 1 금속막을 확산 통과하여 상기 게이트 전극 및 소오스/드레인 영역의 반도체 기판과 각각 반응함으로써 형성되는 단계를 포함하고,상기 제 1 금속막이 상기 제 2 금속막의 확산 양을 제한하여 상기 게이트 전극 및 소오스/드레인 영역에 유사한 두께의 실리사이드막이 형성되도록 하는 모오스 트랜지스터의 살리사이드 형성 방법.
- 제 11 항에 있어서,상기 제 1 금속막은 내열 금속막이고, 상기 제 2 금속막은 준 귀금속막인 모오스 트랜지스터의 살리사이드 형성 방법.
- 제 12 항에 있어서,상기 내열 금속막은, Ti, Zr, V, Nb, Hf, 그리고 Ta 막 중 어느 하나인 실리사이드막 형성 방법.
- 제 12 항에 있어서,상기 준 귀금속막은, Co 막인 모오스 트랜지스터의 살리사이드 형성 방법.
- 제 11 항에 있어서,상기 제 1 금속막은, 상기 게이트 전극 상부 및 반도체 기판 표면의 자연산화막을 제거하여 상기 제 2 금속 실리사이드막이 상기 게이트 전극 및 반도체 기판과 각각 에피(epi)를 이루도록 하는 모오스 트랜지스터의 살리사이드 형성 방법.
- 제 11 항에 있어서,상기 제 1 금속막은, 상기 제 2 금속막의 확산 양을 제한하여 실리사이드화 반응 정도를 조절하고, 반도체 기판의 과잉 소모를 방지하는 모오스 트랜지스터의 살리사이드 형성 방법.
- 제 11 항에 있어서,상기 제 1 금속막의 두께는, 약 100 Å이고, 상기 제 2 금속막의 두께는 약 200 Å인 모오스 트랜지스터의 살리사이드 형성 방법.
- 제 11 항에 있어서,상기 열처리 공정은, RTA 공정으로 약 600 ~ 900 ℃, 30 초간 수행되는 모오스 트랜지스터의 살리사이드 형성 방법.
- 제 11 항에 있어서,상기 열처리 공정은, N2 분위기에서 수행되어 상기 실리사이드막 상에 제 1 금속 질화막이 형성되도록 하는 모오스 트랜지스터의 살리사이드 형성 방법.
- 제 19 항에 있어서,상기 제 1 금속 질화막은, 상부 배선막에 대한 확산 방지막으로 작용하는 모오스 트랜지스터의 살리사이드 형성 방법.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970056565A KR100276388B1 (ko) | 1997-10-30 | 1997-10-30 | 코발트/니오븀 이중 금속층 구조를 이용한 실리사이드 형성 방법 |
JP10309181A JPH11214327A (ja) | 1997-10-30 | 1998-10-29 | コバルト/ニオブ二重金属層構造を利用したシリサイド形成方法 |
US09/183,081 US6150249A (en) | 1997-10-30 | 1998-10-30 | Methods of forming niobium-near noble metal contact structures for integrated circuits |
US09/670,171 US6437445B1 (en) | 1997-10-30 | 2000-09-26 | Niobium-near noble metal contact structures for integrated circuits |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970056565A KR100276388B1 (ko) | 1997-10-30 | 1997-10-30 | 코발트/니오븀 이중 금속층 구조를 이용한 실리사이드 형성 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19990034856A true KR19990034856A (ko) | 1999-05-15 |
KR100276388B1 KR100276388B1 (ko) | 2001-01-15 |
Family
ID=19523806
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019970056565A Expired - Fee Related KR100276388B1 (ko) | 1997-10-30 | 1997-10-30 | 코발트/니오븀 이중 금속층 구조를 이용한 실리사이드 형성 방법 |
Country Status (3)
Country | Link |
---|---|
US (2) | US6150249A (ko) |
JP (1) | JPH11214327A (ko) |
KR (1) | KR100276388B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100750913B1 (ko) * | 1999-12-31 | 2007-08-22 | 삼성전자주식회사 | 배선의 제조 방법 및 그 배선을 포함하는 액정 표시장치용 박막 트랜지스터 기판 및 그 제조 방법 |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6440851B1 (en) * | 1999-10-12 | 2002-08-27 | International Business Machines Corporation | Method and structure for controlling the interface roughness of cobalt disilicide |
JP4926329B2 (ja) * | 2001-03-27 | 2012-05-09 | 株式会社半導体エネルギー研究所 | 半導体装置およびその作製方法、電気器具 |
US6399493B1 (en) * | 2001-05-17 | 2002-06-04 | Advanced Micro Devices, Inc. | Method of silicide formation by silicon pretreatment |
JP3626115B2 (ja) * | 2001-06-14 | 2005-03-02 | 沖電気工業株式会社 | チタン化合物を含有するcvdチタン膜の形成方法 |
KR100395776B1 (ko) * | 2001-06-28 | 2003-08-21 | 동부전자 주식회사 | 반도체 소자의 실리사이드막 제조 방법 |
JP2003100659A (ja) * | 2001-09-27 | 2003-04-04 | Mitsubishi Electric Corp | 半導体装置及びその製造方法 |
US6916729B2 (en) * | 2003-04-08 | 2005-07-12 | Infineon Technologies Ag | Salicide formation method |
US7399702B2 (en) * | 2005-02-01 | 2008-07-15 | Infineon Technologies Ag | Methods of forming silicide |
US7344978B2 (en) * | 2005-06-15 | 2008-03-18 | United Microelectronics Corp. | Fabrication method of semiconductor device |
US7449410B2 (en) * | 2005-08-02 | 2008-11-11 | Micron Technology, Inc. | Methods of forming CoSi2, methods of forming field effect transistors, and methods of forming conductive contacts |
US20100297435A1 (en) * | 2009-01-28 | 2010-11-25 | Kaul Anupama B | Nanotubes and related manufacturing processes |
US20110056812A1 (en) * | 2009-09-08 | 2011-03-10 | Kaul Anupama B | Nano-electro-mechanical switches using three-dimensional sidewall-conductive carbon nanofibers and method for making the same |
US8435798B2 (en) * | 2010-01-13 | 2013-05-07 | California Institute Of Technology | Applications and methods of operating a three-dimensional nano-electro-mechanical resonator and related devices |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61208869A (ja) * | 1985-03-14 | 1986-09-17 | Nec Corp | 半導体装置及びその製造方法 |
JPH02288235A (ja) * | 1989-04-27 | 1990-11-28 | Fujitsu Ltd | 半導設装置の製造方法 |
US5624869A (en) * | 1994-04-13 | 1997-04-29 | International Business Machines Corporation | Method of forming a film for a multilayer Semiconductor device for improving thermal stability of cobalt silicide using platinum or nitrogen |
US5449642A (en) * | 1994-04-14 | 1995-09-12 | Duke University | Method of forming metal-disilicide layers and contacts |
US5668040A (en) * | 1995-03-20 | 1997-09-16 | Lg Semicon Co., Ltd. | Method for forming a semiconductor device electrode which also serves as a diffusion barrier |
US5780349A (en) * | 1997-02-20 | 1998-07-14 | National Semiconductor Corporation | Self-aligned MOSFET gate/source/drain salicide formation |
JPH11204791A (ja) * | 1997-11-17 | 1999-07-30 | Toshiba Corp | 半導体装置及びその製造方法 |
-
1997
- 1997-10-30 KR KR1019970056565A patent/KR100276388B1/ko not_active Expired - Fee Related
-
1998
- 1998-10-29 JP JP10309181A patent/JPH11214327A/ja active Pending
- 1998-10-30 US US09/183,081 patent/US6150249A/en not_active Expired - Lifetime
-
2000
- 2000-09-26 US US09/670,171 patent/US6437445B1/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100750913B1 (ko) * | 1999-12-31 | 2007-08-22 | 삼성전자주식회사 | 배선의 제조 방법 및 그 배선을 포함하는 액정 표시장치용 박막 트랜지스터 기판 및 그 제조 방법 |
Also Published As
Publication number | Publication date |
---|---|
KR100276388B1 (ko) | 2001-01-15 |
US6437445B1 (en) | 2002-08-20 |
JPH11214327A (ja) | 1999-08-06 |
US6150249A (en) | 2000-11-21 |
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