JP2019096666A - エッチング方法及びこれを用いた窪みパターンの埋め込み方法 - Google Patents
エッチング方法及びこれを用いた窪みパターンの埋め込み方法 Download PDFInfo
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- JP2019096666A JP2019096666A JP2017222834A JP2017222834A JP2019096666A JP 2019096666 A JP2019096666 A JP 2019096666A JP 2017222834 A JP2017222834 A JP 2017222834A JP 2017222834 A JP2017222834 A JP 2017222834A JP 2019096666 A JP2019096666 A JP 2019096666A
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- etching
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- substrate
- rotary table
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- 238000005530 etching Methods 0.000 title claims abstract description 208
- 238000000034 method Methods 0.000 title claims abstract description 100
- 238000012545 processing Methods 0.000 claims abstract description 66
- 239000000758 substrate Substances 0.000 claims abstract description 50
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 5
- 229910052736 halogen Inorganic materials 0.000 claims description 2
- 150000002367 halogens Chemical class 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 282
- 235000012431 wafers Nutrition 0.000 description 57
- 238000000926 separation method Methods 0.000 description 37
- 230000015572 biosynthetic process Effects 0.000 description 33
- 230000008569 process Effects 0.000 description 28
- 238000010926 purge Methods 0.000 description 19
- 230000001965 increasing effect Effects 0.000 description 14
- 230000002093 peripheral effect Effects 0.000 description 12
- GIRKRMUMWJFNRI-UHFFFAOYSA-N tris(dimethylamino)silicon Chemical compound CN(C)[Si](N(C)C)N(C)C GIRKRMUMWJFNRI-UHFFFAOYSA-N 0.000 description 12
- 239000011800 void material Substances 0.000 description 12
- 230000001590 oxidative effect Effects 0.000 description 10
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 9
- 229910004298 SiO 2 Inorganic materials 0.000 description 9
- 238000012546 transfer Methods 0.000 description 9
- 238000000231 atomic layer deposition Methods 0.000 description 8
- 238000000151 deposition Methods 0.000 description 7
- 230000008021 deposition Effects 0.000 description 7
- 239000011261 inert gas Substances 0.000 description 6
- 238000003672 processing method Methods 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 5
- 239000010703 silicon Substances 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- 239000011737 fluorine Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000001878 scanning electron micrograph Methods 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- -1 N (CH 3 ) 2 ) 4 ) Chemical class 0.000 description 1
- 229910003902 SiCl 4 Inorganic materials 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- MROCJMGDEKINLD-UHFFFAOYSA-N dichlorosilane Chemical compound Cl[SiH2]Cl MROCJMGDEKINLD-UHFFFAOYSA-N 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- FZHAPNGMFPVSLP-UHFFFAOYSA-N silanamine Chemical class [SiH3]N FZHAPNGMFPVSLP-UHFFFAOYSA-N 0.000 description 1
- 150000003377 silicon compounds Chemical class 0.000 description 1
- FDNAPBUWERUEDA-UHFFFAOYSA-N silicon tetrachloride Chemical compound Cl[Si](Cl)(Cl)Cl FDNAPBUWERUEDA-UHFFFAOYSA-N 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- LXEXBJXDGVGRAR-UHFFFAOYSA-N trichloro(trichlorosilyl)silane Chemical compound Cl[Si](Cl)(Cl)[Si](Cl)(Cl)Cl LXEXBJXDGVGRAR-UHFFFAOYSA-N 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
Classifications
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- 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
- H01L21/30—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
- H01L21/31116—Etching inorganic layers by chemical means by dry-etching
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- 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
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
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- H01L21/3065—Plasma etching; Reactive-ion etching
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- 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
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- 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
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- 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
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- C23C16/44—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 method of coating
- C23C16/455—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 method of coating characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
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- C23C16/45525—Atomic layer deposition [ALD]
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- 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
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- C23C16/45544—Atomic layer deposition [ALD] characterized by the apparatus
- C23C16/45548—Atomic layer deposition [ALD] characterized by the apparatus having arrangements for gas injection at different locations of the reactor for each ALD half-reaction
- C23C16/45551—Atomic layer deposition [ALD] characterized by the apparatus having arrangements for gas injection at different locations of the reactor for each ALD half-reaction for relative movement of the substrate and the gas injectors or half-reaction reactor compartments
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- 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
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- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/32009—Arrangements for generation of plasma specially adapted for examination or treatment of objects, e.g. plasma sources
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- H01J37/321—Radio frequency generated discharge the radio frequency energy being inductively coupled to the plasma
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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
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- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
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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
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- H01L21/02208—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates the layer being characterised by the precursor material for deposition the precursor containing a compound comprising Si
- H01L21/02219—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates the layer being characterised by the precursor material for deposition the precursor containing a compound comprising Si the compound comprising silicon and nitrogen
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- H01L21/02263—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase
- H01L21/02271—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase deposition by decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition
- H01L21/0228—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase deposition by decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition deposition by cyclic CVD, e.g. ALD, ALE, pulsed CVD
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- 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
- H01L21/30—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
- H01L21/3205—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
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- 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
- H01L21/76—Making of isolation regions between components
- H01L21/762—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers
- H01L21/76224—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using trench refilling with dielectric materials
- H01L21/76229—Concurrent filling of a plurality of trenches having a different trench shape or dimension, e.g. rectangular and V-shaped trenches, wide and narrow trenches, shallow and deep trenches
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
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Abstract
Description
前記窪みパターンの内部よりも前記基板の表面のエッチングレートが高くなるような条件に前記処理室内の2つ以上のパラメータを設定する工程と、
前記条件の下でエッチングガスを前記基板の表面に供給する工程と、を有する。
まず、本発明の本実施形態に係るエッチング方法及び窪みパターンの埋め込み方法を好適に実施可能な基板処理装置について説明する。
次に、上述の基板処理装置を用いた本発明の実施形態に係るエッチング方法及び窪みパターンの埋め込み方法について説明する。本実施形態に係るエッチング方法及び窪みパターンの埋め込み方法は、種々の膜に対して適用可能であるが、本実施形態においては、シリコン酸化膜のエッチング及び埋め込み成膜にについて説明する。なお、既に説明した構成要素については、上述の実施形態に係る基板処理装置と同一の参照符号を付して、その説明を省略する。
次に、本発明を実施した実施例について説明する。
2 回転テーブル
41、42 分離ガスノズル
100 制御部
31、32 成膜ガスノズル
33 エッチングガスノズル
W 基板(半導体ウエハ)
P1 第1の処理領域
P2 第2の処理領域
D 分離領域
Claims (13)
- 処理室内で基板の表面に形成された窪みパターン内の膜をV字の断面形状にエッチングするエッチング方法であって、
前記窪みパターンの内部よりも前記基板の表面のエッチングレートが高くなるような条件に前記処理室内の2つ以上のパラメータを設定する工程と、
前記条件の下でエッチングガスを前記基板の表面に供給する工程と、を有するエッチング方法。 - 前記条件は、前記処理室内の圧力を所定圧力以上として前記処理室内の前記エッチングガスの平均自由行程を低下させる条件を含む請求項1に記載のエッチング方法。
- 前記条件は、前記エッチングガスと前記基板との接触時間を所定時間以下とする条件を含む請求項2に記載のエッチング方法。
- 前記処理室内には、前記基板を周方向に沿って保持可能な回転テーブルが設けられ、
該回転テーブルの周方向に沿った一部の領域に前記基板の表面に前記エッチングガスを供給可能なエッチングガス供給領域が設けられ、
前記回転テーブルを所定回転速度以上で回転させることにより、前記基板が前記エッチングガス供給領域を通過する時間を前記所定時間以下にする請求項3に記載のエッチング方法。 - 前記所定圧力は1〜20Torr以下の範囲内で設定され、
前記所定回転速度は60〜700rpmの範囲内で設定される請求項4に記載のエッチング方法。 - 前記エッチングガスは、ハロゲン系ガスである請求項1乃至5のいずれか一項に記載のエッチング方法。
- 前記エッチングガスは、活性化されて供給される請求項1乃至6のいずれか一項に記載のエッチング方法。
- 前記窪みパターンは、深さ方向における中央部の幅が底部及び上部よりも広い形状を有する請求項1乃至7のいずれか一項に記載のエッチング方法。
- 前記膜はシリコン酸化膜である請求項1乃至8のいずれか一項に記載のエッチング方法。
- 処理室内において、基板の表面に形成された窪みパターン内に、前記窪みパターンの形状に沿ったコンフォーマルな膜を形成する工程と、
請求項1乃至9のいずれか一項に記載されたエッチング方法を前記処理室内で実施し、前記コンフォーマルな膜をV字の断面形状にエッチングする工程と、
前記処理室内において、前記V字の断面形状を有する前記コンフォーマルな膜上に、前記V字の断面形状に沿ったコンフォーマルな膜を形成する工程と、を有する窪みパターンの埋め込み方法。 - 前記V字の断面形状に沿ったコンフォーマルな膜を形成する工程は、前記窪みパターンを完全に埋め込むまで実施される請求項10に記載の窪みパターンの埋め込み方法。
- 前記コンフォーマルな膜をV字の断面形状にエッチングする工程及び前記V字の断面形状に沿ったコンフォーマルな膜を形成する工程を2回以上繰り返す請求項10に記載の窪みパターンの埋め込み方法。
- 前記コンフォーマルな膜はシリコン酸化膜である請求項10乃至12のいずれか一項に記載の窪みパターンの埋め込み方法。
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KR1020180137398A KR20190058299A (ko) | 2017-11-20 | 2018-11-09 | 에칭 방법 및 이것을 사용한 오목부 패턴의 매립 방법 |
US16/191,818 US20190157098A1 (en) | 2017-11-20 | 2018-11-15 | Etching Method and Method of Filling Recessed Pattern Using the Same |
CN201811381880.6A CN109817506A (zh) | 2017-11-20 | 2018-11-20 | 蚀刻方法和使用该蚀刻方法的凹部图案的嵌入方法 |
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JP2021125610A (ja) * | 2020-02-06 | 2021-08-30 | 東京エレクトロン株式会社 | 成膜方法及び成膜装置 |
JP2021125608A (ja) * | 2020-02-06 | 2021-08-30 | 東京エレクトロン株式会社 | 成膜方法及び成膜装置 |
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JP2003142484A (ja) * | 2001-10-31 | 2003-05-16 | Mitsubishi Electric Corp | 半導体装置の製造方法 |
JP2012209394A (ja) * | 2011-03-29 | 2012-10-25 | Tokyo Electron Ltd | 成膜装置及び成膜方法 |
JP2013080909A (ja) * | 2011-09-06 | 2013-05-02 | Lam Research Corporation | 3dフラッシュ構造用のエッチングプロセス |
JP2016058548A (ja) * | 2014-09-09 | 2016-04-21 | 東京エレクトロン株式会社 | プラズマ処理装置及びプラズマ処理方法 |
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JP2003142484A (ja) * | 2001-10-31 | 2003-05-16 | Mitsubishi Electric Corp | 半導体装置の製造方法 |
JP2012209394A (ja) * | 2011-03-29 | 2012-10-25 | Tokyo Electron Ltd | 成膜装置及び成膜方法 |
JP2013080909A (ja) * | 2011-09-06 | 2013-05-02 | Lam Research Corporation | 3dフラッシュ構造用のエッチングプロセス |
JP2016058548A (ja) * | 2014-09-09 | 2016-04-21 | 東京エレクトロン株式会社 | プラズマ処理装置及びプラズマ処理方法 |
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JP2021125610A (ja) * | 2020-02-06 | 2021-08-30 | 東京エレクトロン株式会社 | 成膜方法及び成膜装置 |
JP2021125608A (ja) * | 2020-02-06 | 2021-08-30 | 東京エレクトロン株式会社 | 成膜方法及び成膜装置 |
JP7308774B2 (ja) | 2020-02-06 | 2023-07-14 | 東京エレクトロン株式会社 | 成膜方法及び成膜装置 |
JP7345410B2 (ja) | 2020-02-06 | 2023-09-15 | 東京エレクトロン株式会社 | 成膜方法及び成膜装置 |
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