JP4886767B2 - 多周波電磁放射線を用いて薄膜内の引張応力を増大させる方法 - Google Patents
多周波電磁放射線を用いて薄膜内の引張応力を増大させる方法 Download PDFInfo
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- JP4886767B2 JP4886767B2 JP2008504045A JP2008504045A JP4886767B2 JP 4886767 B2 JP4886767 B2 JP 4886767B2 JP 2008504045 A JP2008504045 A JP 2008504045A JP 2008504045 A JP2008504045 A JP 2008504045A JP 4886767 B2 JP4886767 B2 JP 4886767B2
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- 238000000034 method Methods 0.000 title claims description 58
- 230000005670 electromagnetic radiation Effects 0.000 title claims description 41
- 239000010409 thin film Substances 0.000 title description 3
- 239000000758 substrate Substances 0.000 claims description 71
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 34
- 239000001257 hydrogen Substances 0.000 claims description 34
- 229910052739 hydrogen Inorganic materials 0.000 claims description 34
- 238000000137 annealing Methods 0.000 claims description 9
- 239000004065 semiconductor Substances 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 3
- 150000004767 nitrides Chemical class 0.000 claims description 3
- 238000011900 installation process Methods 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- 239000010408 film Substances 0.000 description 66
- 229910052581 Si3N4 Inorganic materials 0.000 description 60
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 60
- 238000012545 processing Methods 0.000 description 54
- 230000005855 radiation Effects 0.000 description 17
- 239000007789 gas Substances 0.000 description 16
- 230000001681 protective effect Effects 0.000 description 9
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 5
- 238000013400 design of experiment Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 125000006850 spacer group Chemical group 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 239000001307 helium Substances 0.000 description 3
- 229910052734 helium Inorganic materials 0.000 description 3
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 3
- 238000002230 thermal chemical vapour deposition Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 239000003989 dielectric material Substances 0.000 description 2
- 238000010849 ion bombardment Methods 0.000 description 2
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229910000077 silane Inorganic materials 0.000 description 2
- 229910021332 silicide Inorganic materials 0.000 description 2
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 235000012431 wafers Nutrition 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 229910004129 HfSiO Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 229910006501 ZrSiO Inorganic materials 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- BUMGIEFFCMBQDG-UHFFFAOYSA-N dichlorosilicon Chemical compound Cl[Si]Cl BUMGIEFFCMBQDG-UHFFFAOYSA-N 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 229910052743 krypton Inorganic materials 0.000 description 1
- DNNSSWSSYDEUBZ-UHFFFAOYSA-N krypton atom Chemical compound [Kr] DNNSSWSSYDEUBZ-UHFFFAOYSA-N 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910052754 neon Inorganic materials 0.000 description 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 1
- 229910052756 noble gas Inorganic materials 0.000 description 1
- 238000001020 plasma etching Methods 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000000663 remote plasma-enhanced chemical vapour deposition Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- WQJQOUPTWCFRMM-UHFFFAOYSA-N tungsten disilicide Chemical compound [Si]#[W]#[Si] WQJQOUPTWCFRMM-UHFFFAOYSA-N 0.000 description 1
- 229910021342 tungsten silicide Inorganic materials 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 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
- H01L21/76801—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 dielectrics, e.g. smoothing
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
- C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
- C23C16/34—Nitrides
- C23C16/345—Silicon nitride
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/56—After-treatment
-
- 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
- H01L21/76801—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 dielectrics, e.g. smoothing
- H01L21/76822—Modification of the material of dielectric layers, e.g. grading, after-treatment to improve the stability of the layers, to increase their density etc.
- H01L21/76825—Modification of the material of dielectric layers, e.g. grading, after-treatment to improve the stability of the layers, to increase their density etc. by exposing the layer to particle radiation, e.g. ion implantation, irradiation with UV light or electrons etc.
-
- 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
- H01L21/76801—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 dielectrics, e.g. smoothing
- H01L21/76822—Modification of the material of dielectric layers, e.g. grading, after-treatment to improve the stability of the layers, to increase their density etc.
- H01L21/76828—Modification of the material of dielectric layers, e.g. grading, after-treatment to improve the stability of the layers, to increase their density etc. thermal treatment
-
- 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
- H01L21/76801—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 dielectrics, e.g. smoothing
- H01L21/76829—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 dielectrics, e.g. smoothing characterised by the formation of thin functional dielectric layers, e.g. dielectric etch-stop, barrier, capping or liner layers
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- General Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Mechanical Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Plasma & Fusion (AREA)
- Inorganic Chemistry (AREA)
- Formation Of Insulating Films (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Chemical Vapour Deposition (AREA)
Description
Claims (23)
- 窒化膜の引張応力を増大させる方法であって:
水素を含有するSiN膜が上に形成された基板を設ける設置工程;及び
水素含有率を低下させて前記SiN膜の引張応力を増大させるように、125nmと275nmとの間の波長群に相当する周波数群を含む多周波電磁放射線に前記SiN膜を曝す曝露工程;
を有する方法。 - 前記電磁放射線は157nm、172nm、193nm、222nm、若しくは248nmの波長、又はこれらの2つ以上の組み合わせを含む、請求項1に記載の方法。
- 前記電磁放射線の強度は10mW/cm2 と1000mW/cm2との間である、請求項1に記載の方法。
- 前記電磁放射線の強度は50mW/cm2 と500mW/cm2との間である、請求項1に記載の方法。
- 前記設置工程は、1GPaと1.5GPaとの間の引張応力を有するSiN膜を設けることを有する、請求項1に記載の方法。
- 前記曝露工程は、1.5GPaより大きい引張応力を有するSiN膜を形成することを有する、請求項5に記載の方法。
- 前記曝露工程は、1.5GPaと3GPaとの間の引張応力を有するSiN膜を形成することを有する、請求項5に記載の方法。
- 前記基板は更に、該基板に形成された少なくとも1つのドープト領域及びゲートスタックを含むデバイスを有する、請求項1に記載の方法。
- 前記曝露工程の前、最中若しくは後、又はこれらの2つ以上の組み合わせにおいて、前記SiN膜をアニールするアニール工程;
を更に有する請求項1に記載の方法。 - 前記設置工程は、原子百分率で10%と50%との間の水素を含有するSiN膜を設けることを有する、請求項1に記載の方法。
- 前記設置工程は、原子百分率で20%と40%との間の水素を含有するSiN膜を設けることを有する、請求項1に記載の方法。
- 前記基板は200℃と1000℃との間の温度範囲内に維持される、請求項1に記載の方法。
- 前記基板は400℃と700℃との間の温度範囲内に維持される、請求項1に記載の方法。
- 前記SiN膜が所定の厚さになるまで前記設置工程と前記曝露工程とを繰り返す反復段階を更に有する請求項1に記載の方法。
- 前記反復段階後の前記SiN膜の厚さは100Åと1μmとの間である、請求項14に記載の方法。
- 前記曝露工程は10−5Torrと3000mTorrとの間の圧力で行われる、請求項1に記載の方法。
- 半導体デバイスを製造する方法であって:
少なくとも1つのドープト領域を含む基板を設ける設置工程であり、該基板は更に、該基板上に形成されたゲートスタックと、該ゲートスタック上に形成された、水素を含有するSiN膜とを含む、設置工程;及び
前記SiN膜を、水素含有率を低下させて前記SiN膜の引張応力を増大させるように、125nmと275nmとの間の波長群に相当する周波数群を含む多周波電磁放射線に曝す曝露工程;
を有する方法。 - 前記曝露工程前の前記SiN膜は1GPaと1.5GPaとの間の引張応力を有する、請求項17に記載の方法。
- 前記曝露工程後の前記SiN膜は1.5GPaより大きい引張応力を有する、請求項18に記載の方法。
- 前記曝露工程後の前記SiN膜は1.5GPaと3GPaとの間の引張応力を有する、請求項18に記載の方法。
- 前記曝露工程前の前記SiN膜は原子百分率で10%と50%との間の水素を含有する、請求項17に記載の方法。
- 前記曝露工程前の前記SiN膜は原子百分率で20%と40%との間の水素を含有する、請求項17に記載の方法。
- 前記SiN膜の厚さは100Åと1μmとの間である、請求項17に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/091,755 | 2005-03-29 | ||
US11/091,755 US7300891B2 (en) | 2005-03-29 | 2005-03-29 | Method and system for increasing tensile stress in a thin film using multi-frequency electromagnetic radiation |
PCT/US2006/005433 WO2006104583A2 (en) | 2005-03-29 | 2006-02-16 | Method and system for increasing tensile stress in a thin film using multi-frequency electromagnetic radiation |
Publications (3)
Publication Number | Publication Date |
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JP2008536303A JP2008536303A (ja) | 2008-09-04 |
JP2008536303A5 JP2008536303A5 (ja) | 2009-04-02 |
JP4886767B2 true JP4886767B2 (ja) | 2012-02-29 |
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JP2008504045A Expired - Fee Related JP4886767B2 (ja) | 2005-03-29 | 2006-02-16 | 多周波電磁放射線を用いて薄膜内の引張応力を増大させる方法 |
Country Status (4)
Country | Link |
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US (1) | US7300891B2 (ja) |
JP (1) | JP4886767B2 (ja) |
TW (1) | TWI311809B (ja) |
WO (1) | WO2006104583A2 (ja) |
Cited By (1)
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KR101452977B1 (ko) | 2014-02-27 | 2014-10-22 | 연세대학교 산학협력단 | 트랜지스터, 및 트랜지스터의 스트레인 인가 방법 |
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KR101452977B1 (ko) | 2014-02-27 | 2014-10-22 | 연세대학교 산학협력단 | 트랜지스터, 및 트랜지스터의 스트레인 인가 방법 |
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US20060226518A1 (en) | 2006-10-12 |
US7300891B2 (en) | 2007-11-27 |
WO2006104583A2 (en) | 2006-10-05 |
TW200723487A (en) | 2007-06-16 |
WO2006104583A3 (en) | 2007-11-08 |
TWI311809B (en) | 2009-07-01 |
JP2008536303A (ja) | 2008-09-04 |
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