JP4917171B2 - 高kゲート誘電体cmosのための閾値調整 - Google Patents
高kゲート誘電体cmosのための閾値調整 Download PDFInfo
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- JP4917171B2 JP4917171B2 JP2010504608A JP2010504608A JP4917171B2 JP 4917171 B2 JP4917171 B2 JP 4917171B2 JP 2010504608 A JP2010504608 A JP 2010504608A JP 2010504608 A JP2010504608 A JP 2010504608A JP 4917171 B2 JP4917171 B2 JP 4917171B2
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- 239000012212 insulator Substances 0.000 claims description 53
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 48
- 229910052760 oxygen Inorganic materials 0.000 claims description 48
- 239000001301 oxygen Substances 0.000 claims description 48
- 238000012545 processing Methods 0.000 claims description 34
- 239000000463 material Substances 0.000 claims description 31
- 238000000034 method Methods 0.000 claims description 31
- 238000004519 manufacturing process Methods 0.000 claims description 23
- 229910052751 metal Inorganic materials 0.000 claims description 18
- 239000002184 metal Substances 0.000 claims description 18
- 125000006850 spacer group Chemical group 0.000 claims description 18
- 239000000126 substance Substances 0.000 claims description 10
- 238000005530 etching Methods 0.000 claims description 8
- 238000000151 deposition Methods 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 239000002210 silicon-based material Substances 0.000 description 5
- 150000004767 nitrides Chemical class 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229910021332 silicide Inorganic materials 0.000 description 3
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 235000012239 silicon dioxide Nutrition 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 229910052715 tantalum Inorganic materials 0.000 description 3
- 229910052721 tungsten Inorganic materials 0.000 description 3
- 229910000577 Silicon-germanium Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 230000000873 masking effect Effects 0.000 description 2
- 238000004377 microelectronic Methods 0.000 description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 229910004129 HfSiO Inorganic materials 0.000 description 1
- 229910004166 TaN Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- LEVVHYCKPQWKOP-UHFFFAOYSA-N [Si].[Ge] Chemical compound [Si].[Ge] LEVVHYCKPQWKOP-UHFFFAOYSA-N 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000011982 device technology Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- NRNCYVBFPDDJNE-UHFFFAOYSA-N pemoline Chemical compound O1C(N)=NC(=O)C1C1=CC=CC=C1 NRNCYVBFPDDJNE-UHFFFAOYSA-N 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 238000004151 rapid thermal annealing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229910052702 rhenium Inorganic materials 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 229910052720 vanadium 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
- H01L21/77—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
- H01L21/823864—Complementary field-effect transistors, e.g. CMOS with a particular manufacturing method of the gate sidewall spacers, e.g. double spacers, particular spacer material or shape
-
- 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
- H01L21/77—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
-
- 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
- H01L21/28158—Making the insulator
- H01L21/28167—Making the insulator on single crystalline silicon, e.g. using a liquid, i.e. chemical oxidation
- H01L21/28176—Making the insulator on single crystalline silicon, e.g. using a liquid, i.e. chemical oxidation with a treatment, e.g. annealing, after the formation of the definitive gate conductor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/04—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body
- H01L27/08—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind
- H01L27/085—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind including field-effect components only
- H01L27/088—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind including field-effect components only the components being field-effect transistors with insulated gate
- H01L27/092—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind including field-effect components only the components being field-effect transistors with insulated gate complementary MIS field-effect transistors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a 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
- H01L29/6656—Unipolar field-effect transistors with an insulated gate, i.e. MISFET using multiple spacer layers, e.g. multiple sidewall spacers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S438/00—Semiconductor device manufacturing: process
- Y10S438/981—Utilizing varying dielectric thickness
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- Engineering & Computer Science (AREA)
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- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Thin Film Transistor (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Description
11:第2のゲート絶縁体
20:一時的ライナ
21:第2のライナ
22:第1のライナ
30、60:側壁スペーサ
40:ソース/ドレイン延長部
41:シリサイド化されたソース及びドレイン
42:シリサイド
50:デバイス本体
55、56:ゲート
55´、56´:金属層
55´´:キャップ層
99:浅いトレンチ
100:CMOS構造体
101:酸素曝露
150:ブロッキング・マスク
900:プロセッサ
901:チップ
Claims (9)
- CMOS構造体を処理する方法であって、
第1の型のFETデバイスにおいて、第1の高k誘電体を含む第1のゲート絶縁体をゲートに実装し、一時的ライナを製造することと、
前記第1の型のFETデバイスにおいて、エッチングによって前記一時的ライナを完全に除去することと、
前記第1の型のFETデバイスにおいて、前記一時的ライナの代わりに、0.2nmから1.2nmまでの間の第1の厚さを有する化学酸化物の第1のライナを前記ゲート及び前記第1のゲート絶縁体の側壁に堆積させることと、
第2の型のFETデバイスにおいて、第2の高k誘電体を含む第2のゲート絶縁体をゲートに実装し、酸化物からなり、前記第1の厚さよりも少なくとも3倍厚くなるように選択される第2の厚さを有する第2のライナを当該ゲート及び第2のゲート絶縁体の側壁に製造することと、
前記第1及び第2のライナに酸素を通さない側壁スペーサを製造することと、
前記第1の型のFETデバイス及び前記第2の型のFETデバイスを酸素に曝露することであって、酸素は前記第2のライナを通って前記第2のゲート絶縁体の前記第2の高k誘電体に達する、前記曝露することと、
前記第2の型のFETデバイスの閾値電圧の所定のシフトを引き起こすことであって、前記第1の厚さの前記第1のライナ及び前記側壁スペーサのために、酸素は前記第1のゲート絶縁体の前記第1の高k誘電体に通ることが防止され、前記第1の型のFETデバイスの閾値電圧は変わらないままである、前記引き起こすことと、
を含む方法。 - 前記第1の型のFETデバイスは、PFETデバイスとなるように選択され、前記第2の型のFETは、NFETデバイスとなるように選択される、請求項1に記載の方法。
- 前記第1の型のFETデバイスは、NFETデバイスとなるように選択され、前記第2の型のFETデバイスは、PFETデバイスとなるように選択される、請求項1に記載の方法。
- 前記第1の高k誘電体及び前記第2の高k誘電体は、同じ材料のものになるように選択される、請求項1に記載の方法。
- 前記同じ材料は、HfO2であるように選択される、請求項4に記載の方法。
- 前記第1の型のFETデバイス及び前記第2の型のFETデバイスの上に単一の酸化物層を堆積させ、前記単一の酸化物層から前記一時的ライナ及び前記第2のライナを製造することをさらに含む、請求項1に記載の方法。
- 前記第1の型のFETデバイスにおいて、第1の金属を含む第1のゲートを実装することと、
前記第2の型のFETデバイスにおいて、第2の金属を含む第2のゲートを実装することと、
をさらに含む、請求項1に記載の方法。 - 前記第1のゲートについて、前記第1のゲート絶縁体と前記第1の金属との間に挟まれるようにキャップ層を処理することをさらに含む、請求項7に記載の方法。
- 前記第2のゲートについて、前記第2の絶縁体と直接接触するように前記第2の金属を処理することをさらに含む、請求項7に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/743,101 | 2007-05-01 | ||
US11/743,101 US20080272437A1 (en) | 2007-05-01 | 2007-05-01 | Threshold Adjustment for High-K Gate Dielectric CMOS |
PCT/EP2008/054218 WO2008132026A1 (en) | 2007-05-01 | 2008-04-08 | Threshold adjustment for high-k gate dielectric cmos |
Publications (2)
Publication Number | Publication Date |
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JP2010525590A JP2010525590A (ja) | 2010-07-22 |
JP4917171B2 true JP4917171B2 (ja) | 2012-04-18 |
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Application Number | Title | Priority Date | Filing Date |
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JP2010504608A Expired - Fee Related JP4917171B2 (ja) | 2007-05-01 | 2008-04-08 | 高kゲート誘電体cmosのための閾値調整 |
Country Status (7)
Country | Link |
---|---|
US (2) | US20080272437A1 (ja) |
EP (1) | EP2165359B1 (ja) |
JP (1) | JP4917171B2 (ja) |
KR (1) | KR20090130845A (ja) |
CN (1) | CN101675513B (ja) |
TW (1) | TW200845384A (ja) |
WO (1) | WO2008132026A1 (ja) |
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JP4994139B2 (ja) * | 2007-07-18 | 2012-08-08 | パナソニック株式会社 | 半導体装置及びその製造方法 |
JP5315784B2 (ja) * | 2008-05-14 | 2013-10-16 | 日本電気株式会社 | 半導体装置 |
US7932150B2 (en) * | 2008-05-21 | 2011-04-26 | Kabushiki Kaisha Toshiba | Lateral oxidation with high-K dielectric liner |
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CN102110651B (zh) * | 2009-12-29 | 2014-01-29 | 中国科学院微电子研究所 | 一种半导体器件及其制造方法 |
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CN102299111B (zh) * | 2010-06-23 | 2013-12-11 | 中芯国际集成电路制造(上海)有限公司 | 制作互补型金属氧化物半导体器件结构的方法 |
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US8772149B2 (en) * | 2011-10-19 | 2014-07-08 | International Business Machines Corporation | FinFET structure and method to adjust threshold voltage in a FinFET structure |
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US8809920B2 (en) * | 2012-11-07 | 2014-08-19 | International Business Machines Corporation | Prevention of fin erosion for semiconductor devices |
CN104347507B (zh) * | 2013-07-24 | 2017-07-14 | 中芯国际集成电路制造(上海)有限公司 | 半导体器件的形成方法 |
US9466492B2 (en) | 2014-05-02 | 2016-10-11 | International Business Machines Corporation | Method of lateral oxidation of NFET and PFET high-K gate stacks |
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2008
- 2008-04-08 WO PCT/EP2008/054218 patent/WO2008132026A1/en active Application Filing
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CN101675513B (zh) | 2011-07-13 |
EP2165359A1 (en) | 2010-03-24 |
KR20090130845A (ko) | 2009-12-24 |
TW200845384A (en) | 2008-11-16 |
EP2165359B1 (en) | 2012-06-27 |
US20080272437A1 (en) | 2008-11-06 |
CN101675513A (zh) | 2010-03-17 |
US8187961B2 (en) | 2012-05-29 |
WO2008132026A1 (en) | 2008-11-06 |
JP2010525590A (ja) | 2010-07-22 |
US20090291553A1 (en) | 2009-11-26 |
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