KR20020012923A - 반도체 소자의 자기 정렬 실리사이드 형성방법 - Google Patents
반도체 소자의 자기 정렬 실리사이드 형성방법 Download PDFInfo
- Publication number
- KR20020012923A KR20020012923A KR1020000046187A KR20000046187A KR20020012923A KR 20020012923 A KR20020012923 A KR 20020012923A KR 1020000046187 A KR1020000046187 A KR 1020000046187A KR 20000046187 A KR20000046187 A KR 20000046187A KR 20020012923 A KR20020012923 A KR 20020012923A
- Authority
- KR
- South Korea
- Prior art keywords
- silicide
- region
- semiconductor substrate
- gate
- heat treatment
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 57
- 239000004065 semiconductor Substances 0.000 title claims abstract description 48
- 229910021332 silicide Inorganic materials 0.000 claims abstract description 45
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 claims abstract description 44
- 239000000758 substrate Substances 0.000 claims abstract description 28
- 229910021341 titanium silicide Inorganic materials 0.000 claims abstract description 23
- 238000010438 heat treatment Methods 0.000 claims abstract description 22
- 239000012535 impurity Substances 0.000 claims abstract description 12
- 229910052751 metal Inorganic materials 0.000 claims abstract description 12
- 239000002184 metal Substances 0.000 claims abstract description 12
- 229910052715 tantalum Inorganic materials 0.000 claims abstract description 12
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims abstract description 12
- 150000002500 ions Chemical class 0.000 claims abstract description 10
- 238000002955 isolation Methods 0.000 claims abstract description 3
- 239000010936 titanium Substances 0.000 claims description 13
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 10
- 229910052719 titanium Inorganic materials 0.000 claims description 10
- 229910008484 TiSi Inorganic materials 0.000 claims description 3
- 238000000151 deposition Methods 0.000 claims description 3
- 230000003213 activating effect Effects 0.000 claims description 2
- MANYRMJQFFSZKJ-UHFFFAOYSA-N bis($l^{2}-silanylidene)tantalum Chemical compound [Si]=[Ta]=[Si] MANYRMJQFFSZKJ-UHFFFAOYSA-N 0.000 claims 1
- 230000000087 stabilizing effect Effects 0.000 claims 1
- 229910052710 silicon Inorganic materials 0.000 abstract description 5
- 239000010703 silicon Substances 0.000 abstract description 5
- 239000012298 atmosphere Substances 0.000 description 5
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 5
- 229920005591 polysilicon Polymers 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 238000005468 ion implantation Methods 0.000 description 3
- 238000004151 rapid thermal annealing Methods 0.000 description 3
- 238000001039 wet etching Methods 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005240 physical vapour deposition Methods 0.000 description 2
- 229910019001 CoSi Inorganic materials 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000005280 amorphization Methods 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
-
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Electrodes Of Semiconductors (AREA)
Abstract
Description
Claims (5)
- 반도체 기판에 필드영역 및 활성영역을 정의하는 소자 격리 영역을 형성하는 단계;상기 반도체 기판의 소정영역에 게이트를 형성하는 단계;상기 게이트 양측의 상기 활성영역의 반도체 기판에 불순물 이온을 주입하여 소오스 영역 및 드레인 영역을 형성하는 단계;1차 열처리 공정으로 상기 소오스 영역 및 드레인 영역에 주입된 불순물 이온을 활성화시키는 단계;상기 반도체 기판의 전면에 제 1 금속막과 제 2 금속막을 차례로 증착하는 단계;2차 열처리 공정으로 상기 게이트와 소오스 영역 및 드레인 영역의 상부에 제 1 실리사이드와 제 2 실리사이드를 형성하는 단계;상기 2차 열처리 후에 반응하지 않은 제 2 금속을 제거하는 단계를 포함하여 형성함을 특징으로 하는 반도체 소자의 자기 정렬 실리사이드 형성방법.
- 제 1항에 있어서, 상기 제 1 금속과 제 2 금속은 각각 탄탈륨(Ta)과 티타늄(Ti)인 것을 특징으로 하는 반도체 소자의 자기 정렬 실리사이드 형성방법.
- 제 1항에 있어서, 상기 제 1 실리사이드와 제 2 실리사이드는 각각 탄탈륨실리사이드(TaSi2)와 티타늄 실리사이드(TiSi2)인 것을 특징으로 하는 반도체 소자의 자기 정렬 실리사이드 형성방법.
- 제 1항에 있어서, 미반응 제 2 금속을 제거한 후에 상기 제 2 실리사이드를 안정화시키기 위한 3차 열처리 공정을 더 포함하는 것을 특징으로 하는 반도체 소자의 자기 정렬 실리사이드 형성방법.
- 제 1항에 있어서, 상기 제 1 실리사이드막은 100Å 이하의 두께로 형성함을 특징으로 하는 반도체 소자의 자기 정렬 실리사이드 형성방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020000046187A KR100628253B1 (ko) | 2000-08-09 | 2000-08-09 | 반도체 소자의 자기 정렬 실리사이드 형성방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020000046187A KR100628253B1 (ko) | 2000-08-09 | 2000-08-09 | 반도체 소자의 자기 정렬 실리사이드 형성방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020012923A true KR20020012923A (ko) | 2002-02-20 |
KR100628253B1 KR100628253B1 (ko) | 2006-09-27 |
Family
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Family Applications (1)
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KR1020000046187A KR100628253B1 (ko) | 2000-08-09 | 2000-08-09 | 반도체 소자의 자기 정렬 실리사이드 형성방법 |
Country Status (1)
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KR (1) | KR100628253B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101004803B1 (ko) * | 2003-07-16 | 2011-01-04 | 매그나칩 반도체 유한회사 | 반도체 소자의 오믹 콘택형성 방법 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101044467B1 (ko) | 2008-11-18 | 2011-06-27 | 주식회사 동부하이텍 | 반도체 소자의 티타늄 실리사이드 형성방법 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL9100334A (nl) * | 1991-02-26 | 1992-09-16 | Philips Nv | Werkwijze voor het vervaardigen van een halfgeleiderinrichting waarbij een zelfregistrerend kobalt- of nikkel-silicide gevormd wordt. |
US5710450A (en) * | 1994-12-23 | 1998-01-20 | Intel Corporation | Transistor with ultra shallow tip and method of fabrication |
KR100475034B1 (ko) * | 1998-06-08 | 2005-05-27 | 삼성전자주식회사 | 엘리베이티드소오스/드레인영역을갖는모스트랜지스터및그제조방법 |
KR100291518B1 (ko) * | 1998-12-29 | 2001-07-12 | 박종섭 | 반도체 소자의 금속배선 형성방법 |
KR100564416B1 (ko) * | 1998-12-30 | 2006-07-06 | 주식회사 하이닉스반도체 | 반도체소자의 살리사이드층 형성방법 |
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- 2000-08-09 KR KR1020000046187A patent/KR100628253B1/ko active IP Right Grant
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101004803B1 (ko) * | 2003-07-16 | 2011-01-04 | 매그나칩 반도체 유한회사 | 반도체 소자의 오믹 콘택형성 방법 |
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KR100628253B1 (ko) | 2006-09-27 |
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