KR100607798B1 - 반도체 소자의 실리사이드 형성방법 - Google Patents
반도체 소자의 실리사이드 형성방법 Download PDFInfo
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- KR100607798B1 KR100607798B1 KR1020030101071A KR20030101071A KR100607798B1 KR 100607798 B1 KR100607798 B1 KR 100607798B1 KR 1020030101071 A KR1020030101071 A KR 1020030101071A KR 20030101071 A KR20030101071 A KR 20030101071A KR 100607798 B1 KR100607798 B1 KR 100607798B1
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- Prior art keywords
- silicide
- gate
- forming
- insulating film
- interlayer insulating
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- 229910021332 silicide Inorganic materials 0.000 title claims abstract description 90
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 title claims abstract description 88
- 238000000034 method Methods 0.000 title claims abstract description 54
- 239000004065 semiconductor Substances 0.000 title claims abstract description 26
- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 9
- 239000010410 layer Substances 0.000 claims abstract description 44
- 239000011229 interlayer Substances 0.000 claims abstract description 28
- 239000000758 substrate Substances 0.000 claims abstract description 19
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 18
- 229920005591 polysilicon Polymers 0.000 claims abstract description 14
- 125000006850 spacer group Chemical group 0.000 claims abstract description 11
- 238000005468 ion implantation Methods 0.000 claims abstract description 10
- 150000004767 nitrides Chemical class 0.000 claims abstract description 9
- 238000000151 deposition Methods 0.000 claims abstract description 8
- 238000000059 patterning Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 3
- 239000012535 impurity Substances 0.000 description 16
- 229910052751 metal Inorganic materials 0.000 description 14
- 239000002184 metal Substances 0.000 description 14
- 229910052710 silicon Inorganic materials 0.000 description 11
- 239000010703 silicon Substances 0.000 description 11
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 9
- 238000009792 diffusion process Methods 0.000 description 6
- 150000002500 ions Chemical class 0.000 description 5
- 238000005229 chemical vapour deposition Methods 0.000 description 4
- 238000002955 isolation Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000004544 sputter deposition Methods 0.000 description 4
- 238000001039 wet etching Methods 0.000 description 4
- 238000005530 etching Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000001505 atmospheric-pressure chemical vapour deposition Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000005360 phosphosilicate glass Substances 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910019001 CoSi Inorganic materials 0.000 description 1
- 229910008484 TiSi Inorganic materials 0.000 description 1
- 229910008814 WSi2 Inorganic materials 0.000 description 1
- GDFCWFBWQUEQIJ-UHFFFAOYSA-N [B].[P] Chemical compound [B].[P] GDFCWFBWQUEQIJ-UHFFFAOYSA-N 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 230000003389 potentiating effect Effects 0.000 description 1
- 238000004151 rapid thermal annealing Methods 0.000 description 1
- 239000003870 refractory metal Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
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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
- H01L21/24—Alloying of impurity materials, e.g. doping materials, electrode materials, with a semiconductor body
-
- 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
-
- 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
- H01L21/28114—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor characterised by the sectional shape, e.g. T, inverted-T
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- H10D84/01—Manufacture or treatment
- H10D84/0123—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs
- H10D84/0126—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs
- H10D84/0135—Manufacturing their gate conductors
- H10D84/0137—Manufacturing their gate conductors the gate conductors being silicided
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- H10D84/01—Manufacture or treatment
- H10D84/02—Manufacture or treatment characterised by using material-based technologies
- H10D84/03—Manufacture or treatment characterised by using material-based technologies using Group IV technology, e.g. silicon technology or silicon-carbide [SiC] technology
- H10D84/038—Manufacture or treatment characterised by using material-based technologies using Group IV technology, e.g. silicon technology or silicon-carbide [SiC] technology using silicon technology, e.g. SiGe
-
- 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
- H10D64/01—Manufacture or treatment
- H10D64/021—Manufacture or treatment using multiple gate spacer layers, e.g. bilayered sidewall spacers
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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)
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
Description
Claims (7)
- 반도체 소자의 실리사이드 형성방법에 있어서,반도체 기판에 폴리실리콘, 버퍼산화막 및 버퍼질화막을 증착한 후 패터닝하여 게이트를 형성하는 단계;상기 게이트의 측벽에 사이드월 스페이서를 형성하는 단계;이온주입 공정을 통해 소오스/드레인 영역을 형성하는 단계;상기 소오스/드레인 영역에만 선택적으로 실리사이드를 형성하는 단계;상기 기판의 전면에 제1층간절연막을 형성하는 단계;상기 제1층간절연막 및 상기 사이드월 스페이서의 일부분을 제거하는 단계;상기 게이트의 윗면 및 측면에 상기 소오스/드레인에 형성된 실리사이드의 두께와 서로 다른 두께의 실리사이드를 형성하는 단계; 및상기 기판의 전면에 제2층간절연막을 형성하는 단계를 포함하는 것을 특징으로 하는 반도체 소자의 실리사이드 형성방법.
- 제 1항에 있어서,상기 제1층간절연막은 게이트와 동일한 높이까지 증착하거나 낮게 증착하는 것을 특징으로 하는 반도체 소자의 실리사이드 형성방법.
- 제 1항에 있어서,상기 제1층간절연막은 에치백공정으로 소정 부분 제거하는 것을 특징으로 하는 반도체 소자의 실리사이드 형성방법.
- 제 1항에 있어서,상기 제1층간절연막의 제거는 후속공정에서 형성될 게이트 실리사이드의 측면을 고려하여 식각하는 것을 특징으로 하는 반도체 소자의 실리사이드 형성방법.
- 제 1항에 있어서,상기 제1층간절연막을 제거 후 게이트의 상부에 잔류하는 버퍼산화막 및 버퍼질화막을 제거하는 단계를 더 포함하는 것을 특징으로 하는 반도체 소자의 실리사이드 형성방법.
- 삭제
- 삭제
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030101071A KR100607798B1 (ko) | 2003-12-31 | 2003-12-31 | 반도체 소자의 실리사이드 형성방법 |
US11/026,611 US7112498B2 (en) | 2003-12-31 | 2004-12-30 | Methods of forming silicide layer of semiconductor device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030101071A KR100607798B1 (ko) | 2003-12-31 | 2003-12-31 | 반도체 소자의 실리사이드 형성방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050070803A KR20050070803A (ko) | 2005-07-07 |
KR100607798B1 true KR100607798B1 (ko) | 2006-08-02 |
Family
ID=34698854
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020030101071A KR100607798B1 (ko) | 2003-12-31 | 2003-12-31 | 반도체 소자의 실리사이드 형성방법 |
Country Status (2)
Country | Link |
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US (1) | US7112498B2 (ko) |
KR (1) | KR100607798B1 (ko) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7045414B2 (en) | 2003-11-26 | 2006-05-16 | Taiwan Semiconductor Manufacturing Company, Ltd. | Method of fabricating high voltage transistor |
US7424007B2 (en) * | 2004-05-12 | 2008-09-09 | Cisco Technology, Inc. | Power-save method for 802.11 multicast paging applications |
JP4822982B2 (ja) * | 2006-08-21 | 2011-11-24 | 株式会社東芝 | 半導体装置の製造方法 |
US20080153224A1 (en) * | 2006-12-21 | 2008-06-26 | Spansion Llc | Integrated circuit system with memory system |
KR20110101967A (ko) * | 2010-03-10 | 2011-09-16 | 삼성전자주식회사 | 반도체 소자 및 이를 제조하는 방법 |
JP6026914B2 (ja) * | 2013-02-12 | 2016-11-16 | ルネサスエレクトロニクス株式会社 | 半導体装置の製造方法 |
KR20140145777A (ko) | 2013-06-14 | 2014-12-24 | 에스케이하이닉스 주식회사 | 반도체 소자 및 이의 제조 방법 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4922311A (en) * | 1987-12-04 | 1990-05-01 | American Telephone And Telegraph Company | Folded extended window field effect transistor |
US6509264B1 (en) | 2000-03-30 | 2003-01-21 | Chartered Semiconductor Manufacturing Ltd. | Method to form self-aligned silicide with reduced sheet resistance |
US6630721B1 (en) | 2000-05-16 | 2003-10-07 | Advanced Micro Devices, Inc. | Polysilicon sidewall with silicide formation to produce high performance MOSFETS |
JP2002324850A (ja) * | 2001-04-25 | 2002-11-08 | Mitsubishi Electric Corp | 半導体メモリ装置およびその製造方法 |
DE10208751B4 (de) | 2002-02-28 | 2008-08-14 | Advanced Micro Devices, Inc., Sunnyvale | Ein Verfahren zur Herstellung eines Halbleiterelements mit vergrößerten Metallsilizidbereichen |
-
2003
- 2003-12-31 KR KR1020030101071A patent/KR100607798B1/ko not_active IP Right Cessation
-
2004
- 2004-12-30 US US11/026,611 patent/US7112498B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US7112498B2 (en) | 2006-09-26 |
KR20050070803A (ko) | 2005-07-07 |
US20050142727A1 (en) | 2005-06-30 |
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