KR100855281B1 - 반도체소자의 제조방법 - Google Patents
반도체소자의 제조방법 Download PDFInfo
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- KR100855281B1 KR100855281B1 KR1020020011814A KR20020011814A KR100855281B1 KR 100855281 B1 KR100855281 B1 KR 100855281B1 KR 1020020011814 A KR1020020011814 A KR 1020020011814A KR 20020011814 A KR20020011814 A KR 20020011814A KR 100855281 B1 KR100855281 B1 KR 100855281B1
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 40
- 238000005468 ion implantation Methods 0.000 claims abstract description 39
- 239000000758 substrate Substances 0.000 claims abstract description 27
- 238000004519 manufacturing process Methods 0.000 claims abstract description 19
- 229910021332 silicide Inorganic materials 0.000 claims abstract description 16
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 claims abstract description 15
- 125000006850 spacer group Chemical group 0.000 claims abstract description 12
- 239000002184 metal Substances 0.000 claims abstract description 10
- 229910052751 metal Inorganic materials 0.000 claims abstract description 10
- 229910052732 germanium Inorganic materials 0.000 claims abstract description 9
- 238000002955 isolation Methods 0.000 claims abstract description 7
- -1 germanium ions Chemical class 0.000 claims abstract description 5
- 238000000059 patterning Methods 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims description 12
- 230000015572 biosynthetic process Effects 0.000 claims description 11
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 10
- 229920005591 polysilicon Polymers 0.000 claims description 10
- 229910017052 cobalt Inorganic materials 0.000 claims description 9
- 239000010941 cobalt Substances 0.000 claims description 9
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- 238000000151 deposition Methods 0.000 claims description 7
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims description 6
- 150000002500 ions Chemical class 0.000 claims description 5
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 4
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 2
- 150000004767 nitrides Chemical class 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 6
- 230000003071 parasitic effect Effects 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 239000000969 carrier Substances 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 239000002019 doping agent Substances 0.000 description 3
- 125000005843 halogen group Chemical group 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 229910000577 Silicon-germanium Inorganic materials 0.000 description 2
- LEVVHYCKPQWKOP-UHFFFAOYSA-N [Si].[Ge] Chemical compound [Si].[Ge] LEVVHYCKPQWKOP-UHFFFAOYSA-N 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 241000293849 Cordylanthus Species 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910008310 Si—Ge Inorganic materials 0.000 description 1
- LIQLLTGUOSHGKY-UHFFFAOYSA-N [B].[F] Chemical compound [B].[F] LIQLLTGUOSHGKY-UHFFFAOYSA-N 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- QYHNIMDZIYANJH-UHFFFAOYSA-N diindium Chemical compound [In]#[In] QYHNIMDZIYANJH-UHFFFAOYSA-N 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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
- H01L29/66568—Lateral single gate silicon transistors
- H01L29/66575—Lateral single gate silicon transistors where the source and drain or source and drain extensions are self-aligned to the sides of the gate
- H01L29/6659—Lateral single gate silicon transistors where the source and drain or source and drain extensions are self-aligned to the sides of the gate with both lightly doped source and drain extensions and source and drain self-aligned to the sides of the gate, e.g. lightly doped drain [LDD] MOSFET, double diffused drain [DDD] MOSFET
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. PN junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/43—Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/49—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET
- H01L29/4916—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET the conductor material next to the insulator being a silicon layer, e.g. polysilicon doped with boron, phosphorus or nitrogen
- H01L29/4925—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET the conductor material next to the insulator being a silicon layer, e.g. polysilicon doped with boron, phosphorus or nitrogen with a multiple layer structure, e.g. several silicon layers with different crystal structure or grain arrangement
- H01L29/4941—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET the conductor material next to the insulator being a silicon layer, e.g. polysilicon doped with boron, phosphorus or nitrogen with a multiple layer structure, e.g. several silicon layers with different crystal structure or grain arrangement with a barrier layer between the silicon and the metal or metal silicide upper layer, e.g. Silicide/TiN/Polysilicon
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. PN junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/43—Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/49—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET
- H01L29/51—Insulating materials associated therewith
-
- 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
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
- H01L21/02123—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon
- H01L21/0217—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material being a silicon nitride not containing oxygen, e.g. SixNy or SixByNz
-
- 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
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02205—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates the layer being characterised by the precursor material for deposition
- H01L21/02208—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates the layer being characterised by the precursor material for deposition the precursor containing a compound comprising Si
- H01L21/02214—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates the layer being characterised by the precursor material for deposition the precursor containing a compound comprising Si the compound comprising silicon and oxygen
- H01L21/02216—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates the layer being characterised by the precursor material for deposition the precursor containing a compound comprising Si the compound comprising silicon and oxygen the compound being a molecule comprising at least one silicon-oxygen bond and the compound having hydrogen or an organic group attached to the silicon or oxygen, e.g. a siloxane
Abstract
Description
Claims (13)
- 반도체기판을 소자영역과 소자분리영역으로 한정하는 단계;상기 반도체기판상에 게이트층과 캡핑층을 적층하는 단계;상기 캡핑층과 게이트층을 패터닝하여 캡핑층패턴과 게이트층패턴을 형성하는 단계;상기 캡핑층패턴양측아래의 반도체기판내에 게르마늄이온을 주입하는 단계;상기 캡핑층패턴을 제거한후 상기 게이트층패턴양측아래의 반도체기판내에 LDD이온주입층을 형성하는 단계;상기 게이트층패턴양측면에 스페이서를 형성한후 그 스페이서양측아래의 반도체기판내에 소오스/드레인을 형성하는 단계; 및상기 소오스/드레인 및 게이트층패턴표면에 금속실리사이드막을 형성하는 단계를 포함하여 이루어지는 것을 특징으로하는 반도체소자의 제조방법.
- 제1항에 있어서, 상기 게이트층은 게이트산화막과 폴리실리콘층을 포함하는 것을 특징으로하는 반도체소자의 제조방법.
- 제1항에 있어서, 상기 상기 캡핑층을 형성하는 물질로는 HLD 또는 TEOS의 산화막 계열물질과 SiN 또는 Si3N4의 나이트라이드 계열물질 중 어느 하나를 사용하는 것을 특징으로 하는 반도체소자의 제조방법.
- 제1항에 있어서, 상기 캡핑층은 300 내지 1000 Å 두께로 증착하는 것을 포함하여 구성되는 것을 특징으로하는 반도체소자의 제조방법.
- 제1항에 있어서, 상기 게르마늄 이온주입공정은 게르마늄을 이온소스로 사용하고, 이온화에너지는 5 KeV 내지 100 KeV 와 도우즈는 1E14 내지 2E15이고, 이온주입시의 틸트각과 트위스트각은 각각 0 내지 60 °와 0 내지 360 °의 범위로 하는 것을 특징으로하는 반도체소자의 제조방법.
- 제1항에 있어서, 상기 LDD 이온주입층 형성공정은, 이온화에너지는 2 KeV 내지 30 KeV 와 도우즈는 1E14 내지 1E15이고, 이온주입시의 틸트각은 0°으로 진행하는 것을 특징으로하는 반도체소자의 제조방법.
- 제1항에 있어서, 상기 LDD 이온주입층 형성후 추가로 소정의 틸트각을 이용한 이온주입을 진행하여 상기 LDD 이온주입층주변에 추가이온주입층을 형성하는 것을 특징으로하는 반도체소자의 제조방법.
- 제1항에 있어서, 상기 금속실리사이드막을 형성하는 단계는,소오스/드레인을 형성한후 전체 구조의 상면에 80 내지 150 Å두께의 코발트를 증착하는 단계와,상기 코발트를 열처리한후 소오스/드레인과 게이트층패턴표면에 코발트실리사이드막을 형성하는 단계를 포함하는 것을 특징으로하는 반도체소자의 제조방법.
- 제8항에 있어서, 상기 코발트를 증착한후 Ti 또는 TiN으로 구성된 캡핑층을 형성하는 단계를 더 포함하는 것을 특징으로하는 반도체소자의 제조방법.
- 제9항에 있어서, 상기 캡핑층은 상기 Ti 인 경우 80 내지 150 Å 두께로, TiN인 경우 200 내지 300 Å 두께로 형성하는 것을 특징으로하는 반도체소자의 제조방법.
- 제8항에 있어서, 상기 열처리는 1차 및 2차 열처리로 구성되되, 1차 열처리시의 온도 및 시간은 각각 250 내지 550 ℃와 30 내지 60초이고, 2차 열처리시의 온도 및 시간은 각각 750 내지 800 ℃와 20 내지 40초인 것을 특징으로하는 반도체소자의 제조방법.
- 제11항에 있어서, 상기 1차 열처리후 미반응 물질을 제거하는 공정을 포함하되, 이 제거공정은 습식용액을 이용하여 진행하는 것을 특징으로하는 반도체소자의 제조방법.
- 제12항에 있어서, 상기 미반응물질 제거공정은 SC-1 용액(NH4OH: H2O2:H2O=0.2:1:10)을 이용하여 50±5℃로 10 내지 15분동안 진행한후 SC-2용액 (HCl:H2O2:H2O=1:1:5)을 이용하여 50±5℃로 5 내지 10분동안 진행하는 것을 특징으로하는 반도체소자의 제조방법.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100950551B1 (ko) | 2007-06-27 | 2010-03-30 | 주식회사 하이닉스반도체 | 게이트의 기울어짐 방지를 위한 반도체소자 및 그 제조방법 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0434942A (ja) * | 1990-05-30 | 1992-02-05 | Nec Corp | 半導体装置の製造方法 |
US6242312B1 (en) * | 1999-09-03 | 2001-06-05 | Taiwan Semiconductor Manufacturing Company | Advanced titanium silicide process for very narrow polysilicon lines |
US6313505B2 (en) * | 1998-09-02 | 2001-11-06 | Advanced Micro Devices, Inc. | Method for forming shallow source/drain extension for MOS transistor |
KR20020056643A (ko) * | 2000-12-29 | 2002-07-10 | 박종섭 | 반도체 소자 및 그 제조방법 |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0434942A (ja) * | 1990-05-30 | 1992-02-05 | Nec Corp | 半導体装置の製造方法 |
US6313505B2 (en) * | 1998-09-02 | 2001-11-06 | Advanced Micro Devices, Inc. | Method for forming shallow source/drain extension for MOS transistor |
US6242312B1 (en) * | 1999-09-03 | 2001-06-05 | Taiwan Semiconductor Manufacturing Company | Advanced titanium silicide process for very narrow polysilicon lines |
KR20020056643A (ko) * | 2000-12-29 | 2002-07-10 | 박종섭 | 반도체 소자 및 그 제조방법 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100950551B1 (ko) | 2007-06-27 | 2010-03-30 | 주식회사 하이닉스반도체 | 게이트의 기울어짐 방지를 위한 반도체소자 및 그 제조방법 |
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