KR100733428B1 - 반도체 소자의 콘택 제조 방법 - Google Patents
반도체 소자의 콘택 제조 방법 Download PDFInfo
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- KR100733428B1 KR100733428B1 KR1020050013302A KR20050013302A KR100733428B1 KR 100733428 B1 KR100733428 B1 KR 100733428B1 KR 1020050013302 A KR1020050013302 A KR 1020050013302A KR 20050013302 A KR20050013302 A KR 20050013302A KR 100733428 B1 KR100733428 B1 KR 100733428B1
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- Prior art keywords
- semiconductor device
- silicon
- spe
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- metal material
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 37
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 50
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 42
- 239000010703 silicon Substances 0.000 claims abstract description 39
- 238000000348 solid-phase epitaxy Methods 0.000 claims abstract description 26
- 239000007769 metal material Substances 0.000 claims abstract description 19
- 239000000758 substrate Substances 0.000 claims abstract description 13
- 125000006850 spacer group Chemical group 0.000 claims abstract description 6
- 239000002210 silicon-based material Substances 0.000 claims abstract description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 31
- 239000000463 material Substances 0.000 claims description 24
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 238000005229 chemical vapour deposition Methods 0.000 claims description 7
- 239000012535 impurity Substances 0.000 claims description 7
- 229910052721 tungsten Inorganic materials 0.000 claims description 7
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 6
- 229910052698 phosphorus Inorganic materials 0.000 claims description 6
- 239000011574 phosphorus Substances 0.000 claims description 6
- 238000011065 in-situ storage Methods 0.000 claims description 4
- 238000001451 molecular beam epitaxy Methods 0.000 claims description 4
- 238000005240 physical vapour deposition Methods 0.000 claims description 4
- 229910000577 Silicon-germanium Inorganic materials 0.000 claims description 3
- 229910052785 arsenic Inorganic materials 0.000 claims description 3
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 claims description 3
- 238000004518 low pressure chemical vapour deposition Methods 0.000 claims description 3
- 150000002739 metals Chemical class 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 claims description 3
- 238000000038 ultrahigh vacuum chemical vapour deposition Methods 0.000 claims description 3
- LEVVHYCKPQWKOP-UHFFFAOYSA-N [Si].[Ge] Chemical compound [Si].[Ge] LEVVHYCKPQWKOP-UHFFFAOYSA-N 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 229910052732 germanium Inorganic materials 0.000 claims description 2
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims 2
- 238000001505 atmospheric-pressure chemical vapour deposition Methods 0.000 claims 1
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 10
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 10
- 229920005591 polysilicon Polymers 0.000 description 8
- 229910021417 amorphous silicon Inorganic materials 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 6
- 239000002019 doping agent Substances 0.000 description 5
- 239000010936 titanium Substances 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- 238000002955 isolation Methods 0.000 description 4
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 4
- 239000010937 tungsten Substances 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 238000005108 dry cleaning Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 238000005468 ion implantation Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 238000002203 pretreatment Methods 0.000 description 2
- 238000001289 rapid thermal chemical vapour deposition Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910021341 titanium silicide Inorganic materials 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- QVMHUALAQYRRBM-UHFFFAOYSA-N [P].[P] Chemical compound [P].[P] QVMHUALAQYRRBM-UHFFFAOYSA-N 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
- 230000007547 defect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 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
- H01L21/70—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
- H01L21/76838—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 conductors
- H01L21/76877—Filling of holes, grooves or trenches, e.g. vias, with conductive material
-
- 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
- H01L21/28525—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 semiconducting material
-
- 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
- H01L21/76838—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 conductors
- H01L21/76886—Modifying permanently or temporarily the pattern or the conductivity of conductive members, e.g. formation of alloys, reduction of contact resistances
-
- 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
- H10D84/0149—Manufacturing their interconnections or electrodes, e.g. source or drain electrodes
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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)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Electrodes Of Semiconductors (AREA)
Abstract
Description
Claims (19)
- 하부 도전층과 상부 도전층을 연결하기 위한 콘택이 SPE(solid phase epitaxy) 실리콘과 금속 물질이 적층된 이중 구조를 갖는 반도체 소자.
- 제 1항에 있어서,상기 금속 물질은 Ti, TiN, Ni, Co, W의 그룹에서 선택된 어느 한 물질을 사용하는 것을 특징으로 하는 반도체 소자.
- 제 1항에 있어서,상기 금속 물질은 서로 다른 재질의 금속이 적층된 다층 구조인 것을 특징으로 하는 반도체 소자.
- 제1항에 있어서,상기 SPE 실리콘은 불순물 도핑되는 것을 특징으로 하는 반도체 소자.
- 제 4항에 있어서,상기 불순물은 인 또는 비소인 것을 특징으로 하는 반도체 소자.
- 제 5항에 있어서,상기 불순물은 1e18atoms/cm3∼1e21atoms/cm3의 농도로 도핑되는 것을 특징으로 하는 반도체 소자.
- 제 1항에 있어서,상기 금속 물질은 화학적기상증착 또는 물리적기상증착으로 형성하는 것을 특징으로 하는 반도체 소자.
- 반도체 기판 상에 스페이서를 부착한 다수의 게이트 전극 패턴을 형성하는 단계;상기 게이트 패턴 사이에 랜딩 플러그 콘택을 형성하는 단계; 및상기 랜딩 플러그 콘택에 SPE(solid phase epitaxy) 실리콘과 금속 물질을 차례로 형성하는 단계를 특징으로 하는 반도체 소자 제조 방법.
- 제 8항에 있어서,상기 금속 물질은 Ti, TiN, Ni, Co, W 의 그룹에서 선택된 어느 하나의 물질을 사용하는 것을 특징으로 하는 반도체 소자 제조 방법.
- 제 8항에 있어서,상기 금속 물질은 서로 다른 재질의 금속이 적층된 다층 구조인 것을 특징으로 하는 반도체 소자 제조 방법.
- 제 8항에 있어서,상기 제 2콘택 물질은 화학적기상증착, 물리적기상증착에서 선택된 어느 한 방법으로 형성하는 것을 특징으로 하는 반도체 소자 제조 방법.
- 제 8항에 있어서,상기 SPE 실리콘은 실리콘, 게르마늄, 실리콘게르마늄의 물질로 대체 가능한 것을 특징으로 하는 반도체 소자 제조 방법.
- 제 8항에 있어서,상기 SPE 실리콘은 100Å∼1000Å의 두께, 400℃∼700℃의 온도로 형성되는 것을 특징으로 하는 반도체 소자 제조 방법.
- 제 8항에 있어서,상기 SPE 실리콘은 불순물로 도핑되는 것을 특징으로 하는 반도체 소자 제조 방법.
- 제 14항에 있어서,상기 불순물은 인 또는 비소인 것을 특징으로 하는 반도체 소자의 제조 방법.
- 제 14항에 있어서,상기 불순물은 1e18atoms/cm3∼1e21atoms/cm3의 농도로 도핑되는 것을 특징으로 하는 반도체 소자 제조 방법.
- 제 8항에 있어서,상기 SPE 실리콘은 형성 과정에서 HCl 가스를 추가하여 선택적으로 형성하는 것을 특징으로 하는 반도체 소자 제조 방법.
- 제 8항에 있어서,상기 SPE 실리콘은 형성 전 고온의 인시튜 H2-bake 공정을 진행하는 것과 진행하지 않는 것 모두 가능한 것을 특징으로 하는 반도체 소자 제조 방법.
- 제 8항에 있어서,상기 SPE 실리콘 및 금속 물질은 LPCVD, VLPCVD, PECVD, UHVCVD, APCVD, MBE의 그룹에서 선택된 어느 한 장치에서 형성 가능한 것을 특징으로 하는 반도체 소자 제조 방법.
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KR1020050013302A KR100733428B1 (ko) | 2005-02-17 | 2005-02-17 | 반도체 소자의 콘택 제조 방법 |
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KR20060092014A KR20060092014A (ko) | 2006-08-22 |
KR100733428B1 true KR100733428B1 (ko) | 2007-06-29 |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20030059444A (ko) * | 2001-12-29 | 2003-07-10 | 주식회사 하이닉스반도체 | 반도체 소자의 제조방법 |
KR20040057472A (ko) * | 2002-12-26 | 2004-07-02 | 주식회사 하이닉스반도체 | 선택적 에피택셜 성장 방식을 이용한 반도체소자 및 그제조 방법 |
KR100505456B1 (ko) | 2002-11-27 | 2005-08-05 | 주식회사 하이닉스반도체 | 반도체 소자의 랜딩 플러그 형성방법 |
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- 2005-02-17 KR KR1020050013302A patent/KR100733428B1/ko not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20030059444A (ko) * | 2001-12-29 | 2003-07-10 | 주식회사 하이닉스반도체 | 반도체 소자의 제조방법 |
KR100505456B1 (ko) | 2002-11-27 | 2005-08-05 | 주식회사 하이닉스반도체 | 반도체 소자의 랜딩 플러그 형성방법 |
KR20040057472A (ko) * | 2002-12-26 | 2004-07-02 | 주식회사 하이닉스반도체 | 선택적 에피택셜 성장 방식을 이용한 반도체소자 및 그제조 방법 |
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