JP5072209B2 - 半導体装置及びその製造方法 - Google Patents
半導体装置及びその製造方法 Download PDFInfo
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- 239000004065 semiconductor Substances 0.000 title claims description 69
- 238000004519 manufacturing process Methods 0.000 title claims description 17
- 239000000758 substrate Substances 0.000 claims description 25
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 15
- 229910000449 hafnium oxide Inorganic materials 0.000 claims description 14
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 14
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 14
- WIHZLLGSGQNAGK-UHFFFAOYSA-N hafnium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Hf+4] WIHZLLGSGQNAGK-UHFFFAOYSA-N 0.000 claims description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 12
- 150000004645 aluminates Chemical class 0.000 claims description 10
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 6
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 6
- 238000005530 etching Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 15
- 125000006850 spacer group Chemical group 0.000 description 13
- 238000002955 isolation Methods 0.000 description 8
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 6
- 229910004298 SiO 2 Inorganic materials 0.000 description 6
- 229910052796 boron Inorganic materials 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 5
- 229910052735 hafnium Inorganic materials 0.000 description 5
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 5
- 150000004767 nitrides Chemical class 0.000 description 5
- 229910052698 phosphorus Inorganic materials 0.000 description 5
- 239000011574 phosphorus Substances 0.000 description 5
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 5
- 229920005591 polysilicon Polymers 0.000 description 5
- 239000002019 doping agent Substances 0.000 description 4
- 229910021332 silicide Inorganic materials 0.000 description 4
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 3
- 238000005468 ion implantation Methods 0.000 description 3
- 230000003071 parasitic effect Effects 0.000 description 3
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 3
- 239000005380 borophosphosilicate glass Substances 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 229910052732 germanium Inorganic materials 0.000 description 2
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000005360 phosphosilicate glass Substances 0.000 description 2
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 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
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 238000005229 chemical vapour deposition 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
- 230000000295 complement effect Effects 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- QPJSUIGXIBEQAC-UHFFFAOYSA-N n-(2,4-dichloro-5-propan-2-yloxyphenyl)acetamide Chemical compound CC(C)OC1=CC(NC(C)=O)=C(Cl)C=C1Cl QPJSUIGXIBEQAC-UHFFFAOYSA-N 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000005368 silicate glass Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
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- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
- H01L21/82—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components
- H01L21/822—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components the substrate being a semiconductor, using silicon technology
- H01L21/8232—Field-effect technology
- H01L21/8234—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type
- H01L21/8238—Complementary field-effect transistors, e.g. CMOS
- H01L21/823857—Complementary field-effect transistors, e.g. CMOS with a particular manufacturing method of the gate insulating layers, e.g. different gate insulating layer thicknesses, particular gate insulator materials or particular gate insulator implants
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- H01L21/822—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components the substrate being a semiconductor, using silicon technology
- H01L21/8232—Field-effect technology
- H01L21/8234—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type
- H01L21/8238—Complementary field-effect transistors, e.g. CMOS
- H01L21/823828—Complementary field-effect transistors, e.g. CMOS with a particular manufacturing method of the gate conductors, e.g. particular materials, shapes
- H01L21/823842—Complementary field-effect transistors, e.g. CMOS with a particular manufacturing method of the gate conductors, e.g. particular materials, shapes gate conductors with different gate conductor materials or different gate conductor implants, e.g. dual gate structures
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- 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
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- 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
- H01L29/6656—Unipolar field-effect transistors with an insulated gate, i.e. MISFET using multiple spacer layers, e.g. multiple sidewall spacers
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- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
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- 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
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Description
半導体基板の表面部分に形成されたP型半導体領域上に、第1のゲート絶縁膜を介して第1のゲート電極を形成すると共に、前記半導体基板の表面部分に形成されたN型半導体領域上に、第2のゲート絶縁膜を介して第2のゲート電極を形成するステップと、
前記第1のゲート電極及び前記第1のゲート絶縁膜の側面に、第1の絶縁膜を形成すると共に、前記第2のゲート電極及び前記第2のゲート絶縁膜の側面に、第2の絶縁膜を形成するステップと、
前記P型半導体領域に対応するパターンを有するマスクを形成するステップと、
前記マスクを用いて、前記第2の絶縁膜にエッチングを行うことにより、これを除去するステップと、
前記マスクを除去するステップと、
前記第1の絶縁膜の側面に、第1のゲート電極側壁絶縁膜を形成すると共に、前記第2のゲート電極及び前記第2のゲート絶縁膜の側面に、第2のゲート電極側壁絶縁膜を形成することにより、前記第2のゲート電極と前記第2のゲート絶縁膜との界面に、界面絶縁膜を形成するステップと
を備え、
前記第1及び第2のゲート絶縁膜は、ハフニウム酸化膜又はジルコニウム酸化膜、若しくは前記ハフニウム酸化膜又は前記ジルコニウム酸化膜のシリケート膜又はアルミネート膜、若しくは前記ハフニウム酸化膜又は前記ジルコニウム酸化膜の窒化シリケート膜又は窒化アルミネート膜からなり、
前記界面絶縁膜は、シリコン酸化膜からなることを特徴とする。
半導体基板の表面部分におけるP型半導体領域上に形成された第1のゲート絶縁膜と、
前記第1のゲート絶縁膜上に形成された第1のゲート電極と、
前記第1のゲート電極及び前記第1のゲート絶縁膜の側面に、絶縁膜を介して形成された第1のゲート電極側壁絶縁膜と、
前記P型半導体領域の表面部分において、前記第1のゲート電極の下方に位置する第1のチャネル領域の両側にそれぞれ形成された第1のソース領域及び第1のドレイン領域とを有するNチャネル型トランジスタと、
前記半導体基板の表面部分におけるN型半導体領域上に形成された第2のゲート絶縁膜と、
前記第2のゲート絶縁膜上に、界面絶縁膜を介して形成された第2のゲート電極と、
前記第2のゲート電極、前記界面絶縁膜及び前記第2のゲート絶縁膜の側面に形成された第2のゲート電極側壁絶縁膜と、
前記N型半導体領域の表面部分において、前記第2のゲート電極の下方に位置する第2のチャネル領域の両側にそれぞれ形成された第2のソース領域及び第2のドレイン領域とを有するPチャネル型トランジスタと
を備え、
前記第1及び第2のゲート絶縁膜は、ハフニウム酸化膜又はジルコニウム酸化膜、若しくは前記ハフニウム酸化膜又は前記ジルコニウム酸化膜のシリケート膜又はアルミネート膜、若しくは前記ハフニウム酸化膜又は前記ジルコニウム酸化膜の窒化シリケート膜又は窒化アルミネート膜からなり、
前記界面絶縁膜は、シリコン酸化膜からなることを特徴とする。
20 P型半導体領域
30 N型半導体領域
40 素子分離絶縁膜
50、60 ゲート絶縁膜
70、80 ゲート電極
100 オフセットスペーサ
150、160 ゲート電極側壁
170 界面絶縁膜
180A、190A ソース領域
180B、190B ドレイン領域
220 NMOSFET
230 PMOSFET
240 CMOSFET
Claims (4)
- 半導体基板の表面部分に形成されたP型半導体領域上に、第1のゲート絶縁膜を介して第1のゲート電極を形成すると共に、前記半導体基板の表面部分に形成されたN型半導体領域上に、第2のゲート絶縁膜を介して第2のゲート電極を形成するステップと、
前記第1のゲート電極及び前記第1のゲート絶縁膜の側面に、第1の絶縁膜を形成すると共に、前記第2のゲート電極及び前記第2のゲート絶縁膜の側面に、第2の絶縁膜を形成するステップと、
前記P型半導体領域に対応するパターンを有するマスクを形成するステップと、
前記マスクを用いて、前記第2の絶縁膜にエッチングを行うことにより、これを除去するステップと、
前記マスクを除去するステップと、
前記第1の絶縁膜の側面に、第1のゲート電極側壁絶縁膜を形成すると共に、前記第2のゲート電極及び前記第2のゲート絶縁膜の側面に、第2のゲート電極側壁絶縁膜を形成することにより、前記第2のゲート電極と前記第2のゲート絶縁膜との界面に、界面絶縁膜を形成するステップと
を備え、
前記第1及び第2のゲート絶縁膜は、ハフニウム酸化膜又はジルコニウム酸化膜、若しくは前記ハフニウム酸化膜又は前記ジルコニウム酸化膜のシリケート膜又はアルミネート膜、若しくは前記ハフニウム酸化膜又は前記ジルコニウム酸化膜の窒化シリケート膜又は窒化アルミネート膜からなり、
前記界面絶縁膜は、シリコン酸化膜からなることを特徴とする半導体装置の製造方法。 - 半導体基板の表面部分におけるP型半導体領域上に形成された第1のゲート絶縁膜と、
前記第1のゲート絶縁膜上に形成された第1のゲート電極と、
前記第1のゲート電極及び前記第1のゲート絶縁膜の側面に、絶縁膜を介して形成された第1のゲート電極側壁絶縁膜と、
前記P型半導体領域の表面部分において、前記第1のゲート電極の下方に位置する第1のチャネル領域の両側にそれぞれ形成された第1のソース領域及び第1のドレイン領域とを有するNチャネル型トランジスタと、
前記半導体基板の表面部分におけるN型半導体領域上に形成された第2のゲート絶縁膜と、
前記第2のゲート絶縁膜上に、界面絶縁膜を介して形成された第2のゲート電極と、
前記第2のゲート電極、前記界面絶縁膜及び前記第2のゲート絶縁膜の側面に形成された第2のゲート電極側壁絶縁膜と、
前記N型半導体領域の表面部分において、前記第2のゲート電極の下方に位置する第2のチャネル領域の両側にそれぞれ形成された第2のソース領域及び第2のドレイン領域とを有するPチャネル型トランジスタと
を備え、
前記第1及び第2のゲート絶縁膜は、ハフニウム酸化膜又はジルコニウム酸化膜、若しくは前記ハフニウム酸化膜又は前記ジルコニウム酸化膜のシリケート膜又はアルミネート膜、若しくは前記ハフニウム酸化膜又は前記ジルコニウム酸化膜の窒化シリケート膜又は窒化アルミネート膜からなり、
前記界面絶縁膜は、シリコン酸化膜からなることを特徴とする半導体装置。 - 前記界面絶縁膜は、膜厚が2〜3nmになるように形成されていることを特徴とする請求項2記載の半導体装置。
- 前記絶縁膜は、シリコン窒化膜からなり、膜厚は2nm程度になるように形成されていることを特徴とする請求項2記載の半導体装置。
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US11/377,686 US8076193B2 (en) | 2005-09-28 | 2006-03-17 | CMOS device fabrication method with PMOS interface insulating film formed concurrently with sidewall insulating film |
US13/289,111 US20120074504A1 (en) | 2005-09-28 | 2011-11-04 | Semiconductor device and method of fabricating the same |
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US8772118B2 (en) * | 2011-07-08 | 2014-07-08 | Texas Instruments Incorporated | Offset screen for shallow source/drain extension implants, and processes and integrated circuits |
US9202906B2 (en) | 2013-03-14 | 2015-12-01 | Northrop Grumman Systems Corporation | Superlattice crenelated gate field effect transistor |
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US6187645B1 (en) | 1999-01-19 | 2001-02-13 | United Microelectronics Corp. | Method for manufacturing semiconductor device capable of preventing gate-to-drain capacitance and eliminating birds beak formation |
US6504214B1 (en) * | 2002-01-11 | 2003-01-07 | Advanced Micro Devices, Inc. | MOSFET device having high-K dielectric layer |
US6696327B1 (en) * | 2003-03-18 | 2004-02-24 | Intel Corporation | Method for making a semiconductor device having a high-k gate dielectric |
JP4524995B2 (ja) | 2003-03-25 | 2010-08-18 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
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US7344934B2 (en) * | 2004-12-06 | 2008-03-18 | Infineon Technologies Ag | CMOS transistor and method of manufacture thereof |
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