KR100755675B1 - 실리사이드화된 게이트의 형성 방법 - Google Patents
실리사이드화된 게이트의 형성 방법 Download PDFInfo
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- KR100755675B1 KR100755675B1 KR1020060070375A KR20060070375A KR100755675B1 KR 100755675 B1 KR100755675 B1 KR 100755675B1 KR 1020060070375 A KR1020060070375 A KR 1020060070375A KR 20060070375 A KR20060070375 A KR 20060070375A KR 100755675 B1 KR100755675 B1 KR 100755675B1
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- 238000000034 method Methods 0.000 title claims abstract description 51
- 229910021332 silicide Inorganic materials 0.000 claims abstract description 34
- 229910052751 metal Inorganic materials 0.000 claims abstract description 33
- 239000002184 metal Substances 0.000 claims abstract description 33
- 230000000903 blocking effect Effects 0.000 claims abstract description 32
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 claims abstract description 32
- 238000005530 etching Methods 0.000 claims abstract description 6
- 239000010410 layer Substances 0.000 claims description 54
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 20
- 229920005591 polysilicon Polymers 0.000 claims description 20
- 239000000758 substrate Substances 0.000 claims description 19
- 125000006850 spacer group Chemical group 0.000 claims description 17
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 11
- 239000004065 semiconductor Substances 0.000 claims description 11
- 239000011229 interlayer Substances 0.000 claims description 9
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 7
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 7
- 229910052759 nickel Inorganic materials 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 2
- 230000030279 gene silencing Effects 0.000 claims 2
- 230000000670 limiting effect Effects 0.000 abstract description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 8
- 229910052710 silicon Inorganic materials 0.000 description 7
- 239000010703 silicon Substances 0.000 description 7
- 239000010936 titanium Substances 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000004020 conductor Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 229910052814 silicon oxide Inorganic materials 0.000 description 4
- 206010010144 Completed suicide Diseases 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- 238000001039 wet etching Methods 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 238000000231 atomic layer deposition Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 229910052735 hafnium Inorganic materials 0.000 description 2
- 238000005468 ion implantation Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910052715 tantalum Inorganic materials 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 239000003870 refractory metal Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 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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- 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
- H01L21/28097—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 a metallic silicide
-
- 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
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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
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a 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
- H01L29/665—Unipolar field-effect transistors with an insulated gate, i.e. MISFET using self aligned silicidation, i.e. salicide
- H01L29/66507—Unipolar field-effect transistors with an insulated gate, i.e. MISFET using self aligned silicidation, i.e. salicide providing different silicide thicknesses on the gate and on source or drain
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a 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
- H01L29/66545—Unipolar field-effect transistors with an insulated gate, i.e. MISFET using a dummy, i.e. replacement gate in a process wherein at least a part of the final gate is self aligned to the dummy gate
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Ceramic Engineering (AREA)
- Electrodes Of Semiconductors (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
Description
Claims (25)
- 반도체 기판상에 게이트막을 형성하고,상기 게이트막의 상부를 덮는 제1 블록킹막을 형성하고,상기 게이트막의 각 측면의 상기 반도체 기판 내에 액티브 영역을 형성하고,상기 액티브 영역 상에 제2 블로킹막을 형성하고,상기 게이트막의 측벽을 노출시키고,상기 게이트막의 측벽을 통해 상기 게이트막을 실리사이드화하는 것을 포함하는 게이트 구조물의 형성방법.
- 제1항에 있어서,상기 제1 블록킹막은 실리콘 질화물을 포함하는 게이트 구조물의 형성방법.
- 제2항에 있어서,상기 제1 블록킹막은 300 내지 1000Å의 두께로 형성되는 게이트 구조물의 형성방법.
- 제1항에 있어서,상기 게이트막의 측벽을 노출시키는 것은 상기 게이트막의 높이의 적어도 1/2을 노출시키는 것을 포함하는 게이트 구조물의 형성방법.
- 제1항에 있어서,상기 측벽을 노출시키는 것은상기 제1 블록킹막 상에 실리사이드막을 형성하고,상기 실리사이드막을 식각 마스크로 사용하는 것을 포함하는 게이트 구조물의 형성방법.
- 제5항에 있어서,상기 제1 블록킹막 상에 실리사이드막을 형성하는 것은상기 제1 블록킹막 상에 폴리실리콘막을 형성하고,상기 폴리실리콘막을 실리사이드화하는 것을 포함하는 게이트 구조물의 형성방법.
- 제6항에 있어서,상기 제1 블록킹막은 실리콘 질화물을 포함하는 게이트 구조물의 형성방법.
- 삭제
- 제1항에 있어서,상기 제2 블록킹막을 형성하는 것은상기 게이트막의 측벽에 스페이서를 형성하고,상기 액티브 영역 상에 층간 절연막을 형성하고,상기 스페이서 및 상기 층간 절연막의 일부를 식각하는 것을 포함하는 게이트 구조물의 형성방법.
- 제1항에 있어서,상기 게이트막의 측벽을 통해 상기 게이트막을 실리사이드화하는 것은상기 제1 블록킹막 및 상기 게이트막의 노출된 측벽 상에 금속막을 형성하고,상기 게이트막 및 상기 금속막을 열처리하는 것을 포함하는 게이트 구조물의 형성방법.
- 제10항에 있어서,상기 금속막은 니켈을 포함하는 게이트 구조물의 형성방법.
- 트랜지스터의 채널 영역 상에 게이트막을 형성하고,상기 게이트막 상에 블록킹막을 형성하고,상기 블록킹막 상에 실리사이드막을 형성하고,상기 게이트막의 측벽을 통해 상기 게이트막을 실리사이드화하는 것을 포함하는 게이트 구조물의 형성방법.
- 제12항에 있어서,상기 게이트막은 금속 단일막에 의해 완전히(fully) 실리사이드화되는 게이트 구조물의 형성방법.
- 삭제
- 제12항에 있어서,상기 블록킹막은 실리콘 질화물을 포함하는 게이트 구조물의 형성방법.
- 제15항에 있어서,상기 블록킹막은 300 내지 1000Å의 두께로 형성되는 게이트 구조물의 형성방법.
- 삭제
- 제12항에 있어서,식각 마스크로서 상기 실리사이드막을 이용하여 상기 게이트막의 측벽을 노출시키는 것을 더 포함하는 게이트 구조물의 형성방법.
- 제12항에 있어서,상기 블록킹막 상에 실리사이드막을 형성하는 것은상기 블록킹막 상에 폴리실리콘막을 형성하고,상기 폴리실리콘막을 실리사이드화하는 것을 포함하는 게이트 구조물의 형성방법.
- 반도체 기판상에 게이트막을 형성하는 단계;상기 게이트막 상에 블록킹막을 형성하는 단계;상기 블록킹막 상에 실리사이드막을 형성하는 단계; 및상기 게이트막을 실리사이드화하는 단계를 포함하는 게이트 구조물의 형성방법.
- 제20항에 있어서,상기 게이트막을 실리사이드화하는 단계는,상기 게이트막의 측벽을 노출시키고,상기 노출된 게이트막의 측벽을 통해 상기 게이트막을 실리사이드화하는 단계를 포함하는 게이트 구조물의 형성방법.
- 삭제
- 삭제
- 삭제
- 제20항에 있어서,상기 게이트막의 측면에 스페이서를 형성하고,상기 스페이서의 측벽을 노출시키는 단계를 더 포함하는 게이트 구조물의 형성방법.
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US20070232078A1 (en) * | 2006-03-31 | 2007-10-04 | Metz Matthew V | In situ processing for ultra-thin gate oxide scaling |
US8070895B2 (en) | 2007-02-12 | 2011-12-06 | United States Gypsum Company | Water resistant cementitious article and method for preparing same |
US20090029141A1 (en) * | 2007-07-23 | 2009-01-29 | United States Gypsum Company | Mat-faced gypsum board and method of making thereof |
US8329308B2 (en) * | 2009-03-31 | 2012-12-11 | United States Gypsum Company | Cementitious article and method for preparing the same |
US8404589B2 (en) * | 2010-04-06 | 2013-03-26 | International Business Machines Corporation | Silicide contact formation |
KR20130075348A (ko) | 2011-12-27 | 2013-07-05 | 에스케이하이닉스 주식회사 | 매립비트라인을 구비한 반도체장치 및 그 제조 방법 |
US9153668B2 (en) * | 2013-05-23 | 2015-10-06 | Taiwan Semiconductor Manufacturing Company, Ltd. | Tuning tensile strain on FinFET |
FR3011382B1 (fr) | 2013-09-27 | 2019-03-29 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Procede de realisation d'un circuit integre |
RU2742051C1 (ru) * | 2020-01-31 | 2021-02-02 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Забайкальский государственный университет" (ФГБОУ ВО "ЗабГУ") | Способ определения начальной стадии деформации наблюдаемого с космического аппарата ледника |
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KR100429007B1 (ko) * | 2002-07-25 | 2004-04-29 | 동부전자 주식회사 | 모스 트랜지스터의 제조 방법 |
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JPS62137870A (ja) | 1985-12-12 | 1987-06-20 | Matsushita Electronics Corp | Misトランジスタの製造方法 |
US5937319A (en) | 1997-10-31 | 1999-08-10 | Advanced Micro Devices, Inc. | Method of making a metal oxide semiconductor (MOS) transistor polysilicon gate with a size beyond photolithography limitation by using polysilicidation and selective etching |
KR20030054274A (ko) * | 2001-12-24 | 2003-07-02 | 주식회사 하이닉스반도체 | 마스크 롬 소자의 제조 방법 |
KR20040054341A (ko) * | 2002-12-18 | 2004-06-25 | 아남반도체 주식회사 | 반도체 소자의 게이트 및 실리사이드 형성 방법 |
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US7560331B2 (en) | 2009-07-14 |
KR20070015004A (ko) | 2007-02-01 |
US20070026578A1 (en) | 2007-02-01 |
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