JP5181466B2 - 半導体装置の製造方法および半導体装置 - Google Patents
半導体装置の製造方法および半導体装置 Download PDFInfo
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- 239000004065 semiconductor Substances 0.000 title claims description 35
- 238000004519 manufacturing process Methods 0.000 title claims description 34
- 239000010410 layer Substances 0.000 claims description 222
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 71
- 229910052710 silicon Inorganic materials 0.000 claims description 71
- 239000010703 silicon Substances 0.000 claims description 71
- 239000000758 substrate Substances 0.000 claims description 60
- 229910000577 Silicon-germanium Inorganic materials 0.000 claims description 43
- 229910021332 silicide Inorganic materials 0.000 claims description 29
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 claims description 29
- 238000005530 etching Methods 0.000 claims description 20
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims description 9
- LEVVHYCKPQWKOP-UHFFFAOYSA-N [Si].[Ge] Chemical compound [Si].[Ge] LEVVHYCKPQWKOP-UHFFFAOYSA-N 0.000 claims description 8
- 229910052732 germanium Inorganic materials 0.000 claims description 8
- 239000002344 surface layer Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 19
- 229910052581 Si3N4 Inorganic materials 0.000 description 10
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 10
- 239000007789 gas Substances 0.000 description 9
- 238000005468 ion implantation Methods 0.000 description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
- 238000002955 isolation Methods 0.000 description 7
- 229910052814 silicon oxide Inorganic materials 0.000 description 7
- 239000012535 impurity Substances 0.000 description 6
- 229910021334 nickel silicide Inorganic materials 0.000 description 5
- RUFLMLWJRZAWLJ-UHFFFAOYSA-N nickel silicide Chemical compound [Ni]=[Si]=[Ni] RUFLMLWJRZAWLJ-UHFFFAOYSA-N 0.000 description 5
- 239000003870 refractory metal Substances 0.000 description 5
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- MROCJMGDEKINLD-UHFFFAOYSA-N dichlorosilane Chemical compound Cl[SiH2]Cl MROCJMGDEKINLD-UHFFFAOYSA-N 0.000 description 4
- 229910052759 nickel Inorganic materials 0.000 description 4
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 4
- 229920005591 polysilicon Polymers 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 230000004913 activation Effects 0.000 description 3
- 238000000137 annealing Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910044991 metal oxide Inorganic materials 0.000 description 3
- 150000004706 metal oxides Chemical class 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000001312 dry etching Methods 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 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
- 125000004429 atom Chemical group 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052796 boron Inorganic materials 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
- 230000000295 complement effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- PCLURTMBFDTLSK-UHFFFAOYSA-N nickel platinum Chemical compound [Ni].[Pt] PCLURTMBFDTLSK-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910021339 platinum silicide Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical compound FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 0.000 description 1
- 229910021341 titanium silicide Inorganic materials 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
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- 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
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- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
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- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
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- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/6653—Unipolar field-effect transistors with an insulated gate, i.e. MISFET using the removal of at least part of spacer, e.g. disposable spacer
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- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
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- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
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- 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
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- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/66568—Lateral single gate silicon transistors
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- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
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- 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
- H01L29/66636—Lateral single gate silicon transistors with source or drain recessed by etching or first recessed by etching and then refilled
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- Crystallography & Structural Chemistry (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
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- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
Description
本発明の半導体装置の製造方法に係る実施の形態の一例として、CMOS(Complementary Metal Oxide Semiconductor)FETにおけるPMOSFETの製造方法について、図1〜図3の製造工程断面図を用いて説明する。なお、背景技術で説明したものと同様の構成には、同一の番号を付して説明する。
次に、本発明の第2実施形態にかかる半導体装置の製造方法について、図4〜図5を用いて説明する。なお、シリコン基板11の表面を掘り下げて、リセス領域16を形成するまでの工程は、図1(a)〜(d)を用いて説明した工程と同様に行うこととする。
なお、上記第2実施形態においては、中間層23として、Ge層を成膜したが、このGe層をイオン注入法により形成してもよい。この場合には、図4(b)を用いて説明した工程において、例えば2.5keVのエネルギー、5×1014atoms/cm2の条件で、Geのイオン注入を行う。これにより、第1の層21の表面から5nm程度の深さまでが、Geの高濃度領域となり、中間層23が形成される。また、上記イオン注入の後、例えば1000℃程度の熱処理を行うことにより、結晶性を回復してもよい。
Claims (3)
- シリコン基板上にゲート絶縁膜を介してゲート電極を形成する第1工程と、
前記ゲート絶縁膜及び前記ゲート電極の側壁に、第1サイドウォールを形成する第2工程と、
前記第1サイドウォールをマスクにしたエッチングにより、前記シリコン基板の表面層を掘り下げる第3工程と、
掘り下げられた前記シリコン基板の表面に、シリコンゲルマニウム層からなる第1の層をエピタキシャル成長させる第4工程と、
前記第1の層上に、当該第1の層よりもゲルマニウム濃度の低いシリコンゲルマニウム層またはシリコン層からなる第2の層を形成する第5工程と、
前記第1サイドウォールを除去することで、前記ゲート電極を露出させる第6工程と、
前記ゲート電極の両側の前記シリコン基板上に、エクステンション領域を形成する第7工程と、
前記エクステンション領域上、且つ、前記ゲート絶縁膜及び前記ゲート電極の両側に、前記第1サイドウォールより膜厚が厚い第2サイドウォールを形成する第8工程と、
前記第2の層の少なくとも表面側をシリサイド化して、シリサイド層を形成する第9工程とを有する
ことを特徴とする半導体装置の製造方法。 - 請求項1記載の半導体装置の製造方法において、
前記第4工程と前記第5工程の間に、前記第1の層上に、当該第1の層よりもゲルマニウム濃度が高いシリコンゲルマニウム層またはゲルマニウム層からなる中間層を形成する工程を行い、
前記第5工程では、前記中間層上に、前記第2の層を形成する
ことを特徴とする半導体装置の製造方法。 - シリコン基板上にゲート絶縁膜を介してゲート電極が設けられた半導体装置において、
前記ゲート電極の側壁に形成された第1サイドウォールをマスクにしたエッチングにより前記ゲート電極の両側の前記シリコン基板が掘り下げられた領域に、シリコンゲルマニウム層からなる第1の層と、当該第1の層よりもゲルマニウム濃度の低いシリコンゲルマニウム層またはシリコン層からなる第2の層とがこの順に積層されており、
前記第1サイドウォールが除去された後の前記ゲート電極の両側の前記シリコン基板上に、エクステンション領域が形成され、
前記エクステンション領域上、且つ、前記ゲート絶縁膜及び前記ゲート電極の両側に、前記第1サイドウォールより膜厚が厚い第2サイドウォールが形成され、
前記第2の層の少なくとも表面側にシリサイド層が設けられている
ことを特徴とする半導体装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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JP2006309828A JP5181466B2 (ja) | 2006-11-16 | 2006-11-16 | 半導体装置の製造方法および半導体装置 |
TW096136927A TW200832564A (en) | 2006-11-16 | 2007-10-02 | Method of manufacturing semiconductor device, and semiconductor device |
US11/939,251 US7858517B2 (en) | 2006-11-16 | 2007-11-13 | Method of manufacturing semiconductor device, and semiconductor device |
KR1020070116476A KR101382676B1 (ko) | 2006-11-16 | 2007-11-15 | 반도체 장치의 제조 방법, 및 반도체 장치 |
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JP (1) | JP5181466B2 (ja) |
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DE102008049725B4 (de) * | 2008-09-30 | 2012-11-22 | Globalfoundries Dresden Module One Limited Liability Company & Co. Kg | CMOS-Bauelement mit NMOS-Transistoren und PMOS-Transistoren mit stärkeren verformungsinduzierenden Quellen und Metallsilizidgebieten mit geringem Abstand und Verfahren zur Herstellung des Bauelements |
US8450194B2 (en) * | 2011-07-01 | 2013-05-28 | Varian Semiconductor Equipment Associates, Inc. | Method to modify the shape of a cavity using angled implantation |
JP5520974B2 (ja) | 2012-01-25 | 2014-06-11 | 東京エレクトロン株式会社 | 被処理基体の処理方法 |
CN103515317B (zh) * | 2012-06-20 | 2016-02-03 | 中芯国际集成电路制造(上海)有限公司 | 一种cmos器件及其形成方法 |
CN114551229A (zh) * | 2015-04-10 | 2022-05-27 | 应用材料公司 | 提高选择性外延生长的生长速率的方法 |
TWI688042B (zh) * | 2016-07-05 | 2020-03-11 | 聯華電子股份有限公司 | 半導體元件的製作方法 |
KR102452925B1 (ko) | 2018-02-23 | 2022-10-07 | 삼성전자주식회사 | 반도체 장치 및 그 제조 방법 |
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US6777298B2 (en) * | 2002-06-14 | 2004-08-17 | International Business Machines Corporation | Elevated source drain disposable spacer CMOS |
US6921913B2 (en) * | 2003-03-04 | 2005-07-26 | Taiwan Semiconductor Manufacturing Co., Ltd. | Strained-channel transistor structure with lattice-mismatched zone |
US7132338B2 (en) * | 2003-10-10 | 2006-11-07 | Applied Materials, Inc. | Methods to fabricate MOSFET devices using selective deposition process |
JP2005353831A (ja) * | 2004-06-10 | 2005-12-22 | Toshiba Corp | 半導体装置 |
US7279406B2 (en) * | 2004-12-22 | 2007-10-09 | Texas Instruments Incorporated | Tailoring channel strain profile by recessed material composition control |
US20070221959A1 (en) * | 2006-03-22 | 2007-09-27 | International Business Machines Corporation | Structure and method for fabricating recessed channel mosfet with fanned out tapered surface raised source/drain |
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US7858517B2 (en) | 2010-12-28 |
KR20080044779A (ko) | 2008-05-21 |
US20080116532A1 (en) | 2008-05-22 |
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TWI379360B (ja) | 2012-12-11 |
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