KR20010008523A - 반도체장치의 금속 콘택 형성 방법 - Google Patents
반도체장치의 금속 콘택 형성 방법 Download PDFInfo
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- KR20010008523A KR20010008523A KR1019990026399A KR19990026399A KR20010008523A KR 20010008523 A KR20010008523 A KR 20010008523A KR 1019990026399 A KR1019990026399 A KR 1019990026399A KR 19990026399 A KR19990026399 A KR 19990026399A KR 20010008523 A KR20010008523 A KR 20010008523A
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- South Korea
- Prior art keywords
- metal
- layer
- silicide
- forming
- heat treatment
- Prior art date
Links
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 56
- 239000002184 metal Substances 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 title claims abstract description 29
- 239000004065 semiconductor Substances 0.000 title claims abstract description 15
- 229910021332 silicide Inorganic materials 0.000 claims abstract description 32
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 claims abstract description 32
- 238000010438 heat treatment Methods 0.000 claims abstract description 19
- 238000009792 diffusion process Methods 0.000 claims abstract description 14
- 230000004888 barrier function Effects 0.000 claims abstract description 8
- 239000000758 substrate Substances 0.000 claims abstract description 6
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 5
- 229920005591 polysilicon Polymers 0.000 claims abstract description 5
- 125000006850 spacer group Chemical group 0.000 claims abstract description 5
- 238000001039 wet etching Methods 0.000 claims abstract description 3
- 239000010410 layer Substances 0.000 claims description 40
- 238000000151 deposition Methods 0.000 claims description 18
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 9
- 230000008021 deposition Effects 0.000 claims description 9
- 239000010936 titanium Substances 0.000 claims description 9
- 229910052719 titanium Inorganic materials 0.000 claims description 9
- 230000015572 biosynthetic process Effects 0.000 claims description 8
- 238000000059 patterning Methods 0.000 claims description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- 239000012300 argon atmosphere Substances 0.000 claims description 4
- 239000010941 cobalt Substances 0.000 claims description 4
- 229910017052 cobalt Inorganic materials 0.000 claims description 4
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 4
- 239000011229 interlayer Substances 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 239000012299 nitrogen atmosphere Substances 0.000 claims description 4
- 239000011259 mixed solution Substances 0.000 claims description 3
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 claims 2
- 238000005530 etching Methods 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 239000000376 reactant Substances 0.000 claims 1
- 229910021341 titanium silicide Inorganic materials 0.000 abstract description 10
- 238000005229 chemical vapour deposition Methods 0.000 abstract description 7
- 238000005755 formation reaction Methods 0.000 description 6
- 229910008484 TiSi Inorganic materials 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 3
- 239000010937 tungsten Substances 0.000 description 3
- 229910052721 tungsten Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 229910003902 SiCl 4 Inorganic materials 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000000752 ionisation method Methods 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 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
- 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
- H01L21/28008—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
- 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
- H01L21/32134—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 liquid etching only
-
- 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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76801—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing
- H01L21/76802—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing by forming openings in dielectrics
-
- 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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76801—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing
- H01L21/76829—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing characterised by the formation of thin functional dielectric layers, e.g. dielectric etch-stop, barrier, capping or liner layers
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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)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Electrodes Of Semiconductors (AREA)
Abstract
Description
Claims (9)
- 반도체 기판위에 게이트산화막과 폴리실리콘층을 증착하여 게이트 전극을 형성하고 스페이서와 확산층을 형성하는 단계와,상기 결과물에서 실리사이드를 형성시키지 않을 부분에 실리사이드형성을 막기 위한 장벽산화막을 증착하는 단계와,상기 결과물 전면에 실리사이드 형성을 위한 금속층을 형성하고 제 1차 열처리를 수행하여 제 1금속 실리사이드층을 형성한 후 선택적 습식 에치를 통해 금속층을 제거하고 제 2차 열처리를 하는 단계와,상기 결과물위로 층간절연막을 증착하고 평탄화한 후 콘택홀을 패터닝하는 단계와,상기 콘택홀 하부면에 선택적으로 제 2금속 실리사이드층을 형성하는 단계를 포함하여 이루어진 것을 특징으로 하는 반도체장치의 금속 콘택 형성 방법.
- 제 1항에 있어서, 상기 장벽산화막은 500∼1000Å의 두께로 증착하는 것을 특징으로 하는 반도체장치의 금속 콘택 형성 방법.
- 제 1항에 있어서, 상기 금속층은 티타늄이나 코발트중 어느 하나로 이루어진 것을 특징으로 하는 반도체장치의 금속 콘택 형성 방법.
- 제 1항에 있어서, 상기 제 1차 열처리는 급속열처리 장비로 650℃∼750℃에서 질소 또는 아르곤 분위기에서 수십초가 유지하는 것을 특징으로 하는 반도체장치의 금속 콘택 형성 방법.
- 제 1항에 있어서, 상기 제 2차 열처리는 800℃∼900℃에서 질소 또는 아르곤 분위기에서 수십초 유지하는 것을 특징으로 하는 반도체장치의 금속 콘택 형성 방법.
- 제 1항에 있어서, 상기 선택적 습식 에치시 상기 금속층이 티타늄인 경우 NH4OH : H2O2: H2O = 1 : 1 : 5 혼합액에서 에치하는 것을 특징으로 하는 반도체장치의 금속 콘택 형성 방법.
- 제 1항에 있어서, 상기 선택적 습식 에치시 상기 금속층이 코발트인 경우 H2SO4: H2O2= 4 : 1 혼합액에서 에치하는 것을 특징으로 하는 반도체장치의 금속 콘택 형성 방법.
- 제 1항에 있어서, 상기 제 2금속 실리사이드막은 PECVD법을 이용하여 형성하는 것을 특징으로 하는 반도체장치의 금속 콘택 형성 방법.
- 제 8항에 있어서, 상기 PECVD법에 의해 상기 제 2금속 실리사이드막을 증착시 TiCl4와 H2반응기체를 이용하여 핵생성시키는 것을 특징으로 하는 반도체장치의 금속 콘택 형성 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019990026399A KR100322886B1 (ko) | 1999-07-01 | 1999-07-01 | 반도체장치의 금속 콘택 형성 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019990026399A KR100322886B1 (ko) | 1999-07-01 | 1999-07-01 | 반도체장치의 금속 콘택 형성 방법 |
Publications (2)
Publication Number | Publication Date |
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KR20010008523A true KR20010008523A (ko) | 2001-02-05 |
KR100322886B1 KR100322886B1 (ko) | 2002-02-09 |
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KR1019990026399A KR100322886B1 (ko) | 1999-07-01 | 1999-07-01 | 반도체장치의 금속 콘택 형성 방법 |
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KR (1) | KR100322886B1 (ko) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100459930B1 (ko) * | 2002-07-19 | 2004-12-03 | 동부전자 주식회사 | 부분적으로 셀프 얼라인 된 살리사이드 콘택 형성 방법 |
KR100763898B1 (ko) * | 2003-08-02 | 2007-10-05 | 삼성전자주식회사 | 반도체 소자 제조방법 및 이에 의하여 제조된 반도체 소자 |
US8530303B2 (en) | 2011-01-05 | 2013-09-10 | Samsung Electronics Co., Ltd. | Method of fabricating semiconductor device |
US8563383B2 (en) | 2010-11-11 | 2013-10-22 | Samsung Electronics Co., Ltd. | Method of manufacturing a semiconductor device |
KR20220135781A (ko) | 2021-03-31 | 2022-10-07 | 주식회사 미소진 | 유의 종 근원 판별용 바이오 마커 및 이의 용도 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100467021B1 (ko) * | 2002-08-20 | 2005-01-24 | 삼성전자주식회사 | 반도체 소자의 콘택 구조체 및 그 제조방법 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5536683A (en) * | 1995-06-15 | 1996-07-16 | United Microelectronics Corporation | Method for interconnecting semiconductor devices |
JPH1168103A (ja) * | 1997-08-22 | 1999-03-09 | Mitsubishi Electric Corp | 半導体装置の製造方法 |
-
1999
- 1999-07-01 KR KR1019990026399A patent/KR100322886B1/ko not_active IP Right Cessation
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100459930B1 (ko) * | 2002-07-19 | 2004-12-03 | 동부전자 주식회사 | 부분적으로 셀프 얼라인 된 살리사이드 콘택 형성 방법 |
KR100763898B1 (ko) * | 2003-08-02 | 2007-10-05 | 삼성전자주식회사 | 반도체 소자 제조방법 및 이에 의하여 제조된 반도체 소자 |
US8563383B2 (en) | 2010-11-11 | 2013-10-22 | Samsung Electronics Co., Ltd. | Method of manufacturing a semiconductor device |
US8530303B2 (en) | 2011-01-05 | 2013-09-10 | Samsung Electronics Co., Ltd. | Method of fabricating semiconductor device |
KR20220135781A (ko) | 2021-03-31 | 2022-10-07 | 주식회사 미소진 | 유의 종 근원 판별용 바이오 마커 및 이의 용도 |
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Publication number | Publication date |
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KR100322886B1 (ko) | 2002-02-09 |
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