JP2006509375A - 多層ゲートスタック - Google Patents
多層ゲートスタック Download PDFInfo
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- JP2006509375A JP2006509375A JP2004559293A JP2004559293A JP2006509375A JP 2006509375 A JP2006509375 A JP 2006509375A JP 2004559293 A JP2004559293 A JP 2004559293A JP 2004559293 A JP2004559293 A JP 2004559293A JP 2006509375 A JP2006509375 A JP 2006509375A
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- 239000004065 semiconductor Substances 0.000 claims abstract description 52
- 150000004767 nitrides Chemical class 0.000 claims abstract description 49
- 238000005530 etching Methods 0.000 claims abstract description 41
- 229920002120 photoresistant polymer Polymers 0.000 claims abstract description 28
- 239000000758 substrate Substances 0.000 claims abstract description 26
- 239000000203 mixture Substances 0.000 claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims description 40
- 229910052751 metal Inorganic materials 0.000 claims description 27
- 239000002184 metal Substances 0.000 claims description 27
- 239000007789 gas Substances 0.000 claims description 19
- 229910052710 silicon Inorganic materials 0.000 claims description 11
- 239000010703 silicon Substances 0.000 claims description 11
- 229910052739 hydrogen Inorganic materials 0.000 claims description 8
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 7
- 239000001257 hydrogen Substances 0.000 claims description 7
- 238000002955 isolation Methods 0.000 claims description 7
- 239000011737 fluorine Substances 0.000 claims description 5
- 229910052731 fluorine Inorganic materials 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims 1
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- 230000004888 barrier function Effects 0.000 description 11
- 125000006850 spacer group Chemical group 0.000 description 11
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 9
- 239000000463 material Substances 0.000 description 8
- 229910052581 Si3N4 Inorganic materials 0.000 description 6
- 229910000042 hydrogen bromide Inorganic materials 0.000 description 6
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000004380 ashing Methods 0.000 description 5
- 239000002019 doping agent Substances 0.000 description 5
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 4
- YCIMNLLNPGFGHC-UHFFFAOYSA-N catechol Chemical compound OC1=CC=CC=C1O YCIMNLLNPGFGHC-UHFFFAOYSA-N 0.000 description 4
- 150000003377 silicon compounds Chemical class 0.000 description 4
- -1 tungsten nitride Chemical class 0.000 description 4
- 235000012431 wafers Nutrition 0.000 description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 239000008367 deionised water Substances 0.000 description 3
- 229910021641 deionized water Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
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- 229910052719 titanium Inorganic materials 0.000 description 3
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- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 241000282461 Canis lupus Species 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
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- 239000004020 conductor Substances 0.000 description 2
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- 239000004744 fabric Substances 0.000 description 2
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 2
- 230000000873 masking effect Effects 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 238000001465 metallisation Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000005240 physical vapour deposition Methods 0.000 description 2
- 238000001020 plasma etching Methods 0.000 description 2
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 2
- 229910052715 tantalum Inorganic materials 0.000 description 2
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 2
- IHGSAQHSAGRWNI-UHFFFAOYSA-N 1-(4-bromophenyl)-2,2,2-trifluoroethanone Chemical compound FC(F)(F)C(=O)C1=CC=C(Br)C=C1 IHGSAQHSAGRWNI-UHFFFAOYSA-N 0.000 description 1
- BMYNFMYTOJXKLE-UHFFFAOYSA-N 3-azaniumyl-2-hydroxypropanoate Chemical compound NCC(O)C(O)=O BMYNFMYTOJXKLE-UHFFFAOYSA-N 0.000 description 1
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910002601 GaN Inorganic materials 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-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
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
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- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 229910001507 metal halide Inorganic materials 0.000 description 1
- 150000005309 metal halides Chemical class 0.000 description 1
- QKCGXXHCELUCKW-UHFFFAOYSA-N n-[4-[4-(dinaphthalen-2-ylamino)phenyl]phenyl]-n-naphthalen-2-ylnaphthalen-2-amine Chemical compound C1=CC=CC2=CC(N(C=3C=CC(=CC=3)C=3C=CC(=CC=3)N(C=3C=C4C=CC=CC4=CC=3)C=3C=C4C=CC=CC4=CC=3)C3=CC4=CC=CC=C4C=C3)=CC=C21 QKCGXXHCELUCKW-UHFFFAOYSA-N 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
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000010955 niobium Substances 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000007261 regionalization Effects 0.000 description 1
- 229910021332 silicide Inorganic materials 0.000 description 1
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical compound FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 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 at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System or AIIIBV compounds with or without impurities, e.g. doping materials
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- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System 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
- H01L21/28026—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor
- H01L21/28035—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor the final conductor layer next to the insulator being silicon, e.g. polysilicon, with or without impurities
- H01L21/28044—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor the final conductor layer next to the insulator being silicon, e.g. polysilicon, with or without impurities the conductor comprising at least another non-silicon conductive layer
- H01L21/28061—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor the final conductor layer next to the insulator being silicon, e.g. polysilicon, with or without impurities the conductor comprising at least another non-silicon conductive layer the conductor comprising a metal or metal silicide formed by deposition, e.g. sputter deposition, i.e. without a silicidation reaction
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- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3105—After-treatment
- H01L21/311—Etching the insulating layers by chemical or physical means
- H01L21/31105—Etching inorganic layers
- H01L21/31111—Etching inorganic layers by chemical means
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- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
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- H01L21/3105—After-treatment
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- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
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- H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
- H01L21/321—After treatment
- H01L21/3213—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer
- H01L21/32133—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only
- H01L21/32135—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only by vapour etching only
- H01L21/32136—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only by vapour etching only using plasmas
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- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
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- H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
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- H01L21/3213—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer
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- H01L21/32136—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only by vapour etching only using plasmas
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- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
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- H01L21/3213—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer
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- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System 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
- H01L21/28247—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon passivation or protection of the electrode, e.g. using re-oxidation
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- 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
- H01L29/401—Multistep manufacturing processes
- H01L29/4011—Multistep manufacturing processes for data storage electrodes
- H01L29/40114—Multistep manufacturing processes for data storage electrodes the electrodes comprising a conductor-insulator-conductor-insulator-semiconductor structure
Abstract
Description
以下の詳細なステップが、分割ゲートを有するゲートスタックを形成するために使用された。
ステップ1:
圧力2ミリトル、温度185度、マイクロ波電力800W、ガスは、3750sccmのO2及び375sccmのN2。
ステップ2:
温度200度、マイクロ波電力1400Wであること以外は同じ値。
ステップ1:
圧力400ミリトル、温度20±5度、RF電力420W、400sccmのO2ガス。
ステップ2:
圧力750ミリトル、温度20±5度、RF電力420W、ガスは、400sccmのN2、400sccmのH2、5sccmのNF3、或いは、その代わりとして、
圧力750ミリトル、温度40±5度、RF電力350W、ガスは、20sccmのCF4、200sccmのN2/5%H2、500sccmのO2。
Claims (20)
- 半導体構造体の製造方法であって、
窒化層をプラズマによりエッチングして、パターン形成された窒化層を形成する工程を含み、
前記窒化層は半導体基板上にあり、
フォトレジスト層が前記窒化層上にあり、
前記プラズマは少なくとも10ミリトルの圧力においてCF4及びCHF3を含むガス混合物から調製される、
ことを特徴とする、前記方法。 - 前記ガス混合物は、CF4:CHF3比が10:1から1:3であることを特徴とする請求項1に記載の方法。
- 前記圧力は15から45ミリトルであることを特徴とする請求項1に記載の方法。
- 前記フォトレジスト層は193ナノメートルのフォトレジストを含むことを特徴とする請求項1に記載の方法。
- 前記パターン形成された窒化層は9ナノメートル以下のラインエッジ粗さを有することを特徴とする請求項1に記載の方法。
- 前記ガス混合物はCF4:CHF3比が8:1から1:2であり、
前記圧力は25から35ミリトルであり、
前記フォトレジスト層は193ナノメートルのフォトレジストを含む、
ことを特徴とする請求項1に記載の方法。 - 半導体構造体の製造方法であって、
窒化層をプラズマによりエッチングして、パターン形成された窒化層を形成する工程を含み、
前記窒化層はスタック上にあり、
前記スタックは半導体基板上にあり、
前記スタックは、
(i)ケイ素を含むゲート層と、
(ii)前記ゲート層上の金属層と、
を含み、
フォトレジスト層が前記窒化層上にあり、
前記フォトレジスト層は193ナノメートルのフォトレジストを含み、
前記パターン形成された窒化層は8ナノメートル以下のラインエッジ粗さを有し、
前記プラズマは炭素、水素及びフッ素を含む、
ことを特徴とする前記方法。 - 前記パターン形成された窒化層は、6ナノメートル以下のラインエッジ粗さであることを特徴とする請求項7に記載の方法。
- 前記プラズマは、少なくとも15ミリトルの圧力においてガス混合物から調製されることを特徴とする請求項7に記載の方法。
- 前記プラズマは、25から35ミリトルの圧力においてガス混合物から調製されることを特徴とする請求項7に記載の方法。
- 前記ゲート層はP+領域及びN+領域を含み、
前記P+領域及びN+領域は、0.4ミクロン以下の幅を有する前記基板の分離領域上の領域により分離されている、
ことを特徴とする請求項7に記載の方法。 - 請求項1に記載の方法により半導体構造体を形成し、
前記半導体構造体から半導体素子を形成する、
ことを特徴とする半導体素子を製造する方法。 - 請求項12に記載の方法により半導体素子を形成し、
前記半導体素子を有する電子素子を形成する、
ことを特徴とする電子素子を製造する方法。 - 請求項7に記載の方法により半導体構造体を形成し、
前記半導体構造体から半導体素子を形成する、
ことを特徴とする半導体素子を製造する方法。 - 請求項14に記載の方法により半導体素子を形成し、
前記半導体素子を有する電子素子を形成する、
ことを特徴とする電子素子を製造する方法。 - 請求項1に記載の方法により製造された半導体構造体。
- 請求項7に記載の方法により製造された半導体構造体。
- 半導体基板上のパターン形成された窒化層を含み、
前記パターン形成された窒化層は、9ナノメートル以下のラインエッジ粗さであり、
前記基板の分離領域は、0.4ミクロン以下の幅を有する、
ことを特徴とする半導体構造体。 - 前記窒化層と前記半導体構造体との間に更にスタックを有し、
前記スタックは、
(i)ケイ素を含むゲート層と、
(ii)前記ゲート層上の金属層と、
を有し、
前記ゲート層は前記分離領域上にある、
ことを特徴とする請求項18に記載の半導体構造体。 - 前記パターン形成された窒化層は6ナノメートル以下のラインエッジ粗さであることを特徴とする請求項18に記載の半導体構造体。
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US10/314,380 US7229929B2 (en) | 2002-12-06 | 2002-12-06 | Multi-layer gate stack |
PCT/US2003/038631 WO2004053936A2 (en) | 2002-12-06 | 2003-12-04 | Multi-layer gate stack |
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JP2006509375A true JP2006509375A (ja) | 2006-03-16 |
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US (1) | US7229929B2 (ja) |
JP (1) | JP2006509375A (ja) |
KR (1) | KR20050085415A (ja) |
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US7229929B2 (en) * | 2002-12-06 | 2007-06-12 | Cypress Semiconductor Corporation | Multi-layer gate stack |
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US7371637B2 (en) * | 2003-09-26 | 2008-05-13 | Cypress Semiconductor Corporation | Oxide-nitride stack gate dielectric |
US7153780B2 (en) * | 2004-03-24 | 2006-12-26 | Intel Corporation | Method and apparatus for self-aligned MOS patterning |
US7351663B1 (en) * | 2004-06-25 | 2008-04-01 | Cypress Semiconductor Corporation | Removing whisker defects |
KR100753138B1 (ko) * | 2006-09-29 | 2007-08-30 | 주식회사 하이닉스반도체 | 반도체 소자 제조방법 |
US8252640B1 (en) | 2006-11-02 | 2012-08-28 | Kapre Ravindra M | Polycrystalline silicon activation RTA |
JP2008218867A (ja) * | 2007-03-07 | 2008-09-18 | Elpida Memory Inc | 半導体装置の製造方法 |
US7951728B2 (en) * | 2007-09-24 | 2011-05-31 | Applied Materials, Inc. | Method of improving oxide growth rate of selective oxidation processes |
US9406530B2 (en) | 2014-03-27 | 2016-08-02 | International Business Machines Corporation | Techniques for fabricating reduced-line-edge-roughness trenches for aspect ratio trapping |
US10204960B2 (en) * | 2015-09-17 | 2019-02-12 | Taiwan Semiconductor Manufacturing Co., Ltd. | Method of forming polysilicon gate structure in image sensor device |
US20170330764A1 (en) * | 2016-05-12 | 2017-11-16 | Lam Research Corporation | Methods and apparatuses for controlling transitions between continuous wave and pulsing plasmas |
US10566211B2 (en) | 2016-08-30 | 2020-02-18 | Lam Research Corporation | Continuous and pulsed RF plasma for etching metals |
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2003
- 2003-12-04 WO PCT/US2003/038631 patent/WO2004053936A2/en active Application Filing
- 2003-12-04 AU AU2003300819A patent/AU2003300819A1/en not_active Abandoned
- 2003-12-04 KR KR1020057010280A patent/KR20050085415A/ko not_active Application Discontinuation
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JP2002222868A (ja) * | 2001-01-29 | 2002-08-09 | Fujitsu Ltd | 半導体装置及びその製造方法 |
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US20040110387A1 (en) | 2004-06-10 |
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AU2003300819A1 (en) | 2004-06-30 |
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AU2003300819A8 (en) | 2004-06-30 |
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