JP6898867B2 - 膜アセンブリを製造するための方法 - Google Patents
膜アセンブリを製造するための方法 Download PDFInfo
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- JP6898867B2 JP6898867B2 JP2017565898A JP2017565898A JP6898867B2 JP 6898867 B2 JP6898867 B2 JP 6898867B2 JP 2017565898 A JP2017565898 A JP 2017565898A JP 2017565898 A JP2017565898 A JP 2017565898A JP 6898867 B2 JP6898867 B2 JP 6898867B2
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 229910052707 ruthenium Inorganic materials 0.000 claims description 6
- 238000001900 extreme ultraviolet lithography Methods 0.000 claims description 5
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- 229920000052 poly(p-xylylene) Polymers 0.000 claims description 4
- -1 ruthenium nitride Chemical class 0.000 claims description 4
- 229910052582 BN Inorganic materials 0.000 claims description 3
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- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 3
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- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 2
- VRBFTYUMFJWSJY-UHFFFAOYSA-N 28804-46-8 Chemical compound ClC1CC(C=C2)=CC=C2C(Cl)CC2=CC=C1C=C2 VRBFTYUMFJWSJY-UHFFFAOYSA-N 0.000 description 1
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- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 1
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Images
Classifications
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- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F1/00—Originals for photomechanical production of textured or patterned surfaces, e.g., masks, photo-masks, reticles; Mask blanks or pellicles therefor; Containers specially adapted therefor; Preparation thereof
- G03F1/62—Pellicles, e.g. pellicle assemblies, e.g. having membrane on support frame; Preparation thereof
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F1/00—Originals for photomechanical production of textured or patterned surfaces, e.g., masks, photo-masks, reticles; Mask blanks or pellicles therefor; Containers specially adapted therefor; Preparation thereof
- G03F1/62—Pellicles, e.g. pellicle assemblies, e.g. having membrane on support frame; Preparation thereof
- G03F1/64—Pellicles, e.g. pellicle assemblies, e.g. having membrane on support frame; Preparation thereof characterised by the frames, e.g. structure or material, including bonding means therefor
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- G—PHYSICS
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- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F1/00—Originals for photomechanical production of textured or patterned surfaces, e.g., masks, photo-masks, reticles; Mask blanks or pellicles therefor; Containers specially adapted therefor; Preparation thereof
- G03F1/68—Preparation processes not covered by groups G03F1/20 - G03F1/50
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- G—PHYSICS
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- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/70—Microphotolithographic exposure; Apparatus therefor
- G03F7/708—Construction of apparatus, e.g. environment aspects, hygiene aspects or materials
- G03F7/70808—Construction details, e.g. housing, load-lock, seals or windows for passing light in or out of apparatus
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/70—Microphotolithographic exposure; Apparatus therefor
- G03F7/708—Construction of apparatus, e.g. environment aspects, hygiene aspects or materials
- G03F7/70908—Hygiene, e.g. preventing apparatus pollution, mitigating effect of pollution or removing pollutants from apparatus
- G03F7/70916—Pollution mitigation, i.e. mitigating effect of contamination or debris, e.g. foil traps
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- G—PHYSICS
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- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/70—Microphotolithographic exposure; Apparatus therefor
- G03F7/708—Construction of apparatus, e.g. environment aspects, hygiene aspects or materials
- G03F7/7095—Materials, e.g. materials for housing, stage or other support having particular properties, e.g. weight, strength, conductivity, thermal expansion coefficient
- G03F7/70958—Optical materials or coatings, e.g. with particular transmittance, reflectance or anti-reflection properties
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- G—PHYSICS
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- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/70—Microphotolithographic exposure; Apparatus therefor
- G03F7/708—Construction of apparatus, e.g. environment aspects, hygiene aspects or materials
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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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02518—Deposited layers
- H01L21/02587—Structure
- H01L21/0259—Microstructure
- H01L21/02592—Microstructure amorphous
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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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02518—Deposited layers
- H01L21/02587—Structure
- H01L21/0259—Microstructure
- H01L21/02595—Microstructure polycrystalline
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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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02612—Formation types
- H01L21/02617—Deposition types
- H01L21/0262—Reduction or decomposition of gaseous compounds, e.g. CVD
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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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/027—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34
- H01L21/0271—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising organic layers
- H01L21/0273—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising organic layers characterised by the treatment of photoresist layers
- H01L21/0274—Photolithographic processes
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- G—PHYSICS
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- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F1/00—Originals for photomechanical production of textured or patterned surfaces, e.g., masks, photo-masks, reticles; Mask blanks or pellicles therefor; Containers specially adapted therefor; Preparation thereof
- G03F1/66—Containers specially adapted for masks, mask blanks or pellicles; Preparation thereof
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Public Health (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
- Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
- Preparing Plates And Mask In Photomechanical Process (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Micromachines (AREA)
Description
[0001] 本願は、2015年7月17日出願の欧州出願第15177332.2号の優先権を主張し、その全体が参照により本明細書に組み込まれる。
−放射ビームB(例えば、EUV放射)を条件付けるように構成された、照明システム(又はイルミネータ)IL、
−パターニングデバイス(例えば、マスク又はレチクル)MAを支持するように構築され、パターニングデバイスを正確に位置決めするように構成された第1のポジショナPMに接続された、支持構造(例えば、マスクテーブル)MT、
−基板(例えば、レジストコートウェーハ)Wを保持するように構築され、基板を正確に位置決めするように構成された第2のポジショナPWに接続された、基板テーブル(例えば、ウェーハテーブル)WT、及び、
−パターニングデバイスMAによって放射ビームBに付与されたパターンを、基板Wのターゲット部分C(例えば、1つ以上のダイを含む)上に投影するように構成された、投影システム(例えば、反射型投影システム)PS、
を備える。
Claims (15)
- EUVリソグラフィ用の膜アセンブリを製造するための方法であって、
平面基板及び少なくとも1つの膜層を備えるスタックを提供することであって、前記平面基板は、内部領域及び前記内部領域周辺の境界領域を備えることと、
前記膜アセンブリが、前記少なくとも1つの膜層から形成される膜と、前記膜を保持し前記平面基板の前記境界領域から形成される境界と、を備えるように、前記平面基板の前記内部領域を選択的に除去することと、
前記平面基板の前記内部領域を選択的に除去するステップ中に前記境界領域を機械的に保護するように構成された機械的保護材料を前記スタックに提供することであって、前記機械的保護材料は、実質的に内部にホールのない連続層として印加されるとともに、エッチング剤に対して不浸透性の層を形成することと、
前記スタックの下部表面全体を実質的にカバーする保護材料マスクを前記スタックに提供することであって、前記保護材料マスクは、前記機械的保護材料が前記スタックの前記下部表面と接触するのを防ぐように構成されることと、を含み、
前記機械的保護材料を提供するステップは、前記スタックと前記保護材料マスクの組み合わせを前記機械的保護材料で囲むステップを含む、方法。 - 前記平面基板の前記内部領域を選択的に除去する前記ステップは、前記平面基板の前記内部領域を選択的に除去するように化学エッチング剤を使用することを含み、
前記機械的保護材料は、前記化学エッチング剤への化学的耐性がある、請求項1に記載の方法。 - 前記平面基板の前記内部領域を選択的に除去した後、前記機械的保護材料を除去することを含む、請求項1又は2に記載の方法。
- 前記機械的保護材料は、少なくとも1μm且つ多くとも5μmの厚みを有する、請求項1から3の何れか一項に記載の方法。
- 前記機械的保護材料は、架橋ポリマーである、請求項1から4の何れか一項に記載の方法。
- 前記機械的保護材料は、ポリ(p−キシリレン)ポリマーである、請求項1から5の何れか一項に記載の方法。
- 前記機械的保護材料は、Parylene又はProTEK(登録商標)タイプの材料である、請求項1から6の何れか一項に記載の方法。
- 前記平面基板の前記内部領域を選択的に除去する前記ステップは、
マスク材料を前記スタックの下部表面に堆積させることと、
前記平面基板の前記境界領域に対応する前記スタックの前記下部表面に堆積された前記マスク材料からマスク層が形成されるように、前記マスク材料を選択的に除去することと、
前記平面基板の前記内部領域を異方的にエッチングすることと、
を含む、請求項1から7の何れか一項に記載の方法。 - 前記平面基板は、100nmを超える厚みを有する酸化層及び非酸化層を備え、
前記酸化層は、前記非酸化層と前記少なくとも1つの膜層との間にある、請求項1から8の何れか一項に記載の方法。 - 前記少なくとも1つの膜層は、少なくとも1つの多結晶シリコン層を備える、請求項1から9の何れか一項に記載の方法。
- EUVリソグラフィのための膜アセンブリであって、
多結晶シリコン又は単結晶シリコンを含む少なくとも1つの膜層から形成される膜と、
前記膜を保持する境界と、を備え、
前記膜は、上部キャッピング層及び下部キャッピング層によってキャッピングされ、
前記上部キャッピング層及び前記下部キャッピング層の各々は、Ru、Zr、Mo、酸化シリコン、酸化ジルコニウム、酸化アルミニウム、窒化ホウ素、酸化ルテニウム、窒化ルテニウム、窒化ジルコニウム、酸化モリブデン、又は窒化モリブデン、又はケイ化モリブデンのうちの少なくとも1つを含み、
前記境界は、内部領域及び前記内部領域周辺の境界領域を含む平面基板から形成され、
前記境界は、前記平面基板の前記内部領域を選択的に除去することによって形成され、
前記平面基板は、前記境界が酸化層及び非酸化層を含むような、前記酸化層及び前記非酸化層を備え、
前記酸化層は、前記非酸化層と前記少なくとも1つの膜層との間にあり、
前記境界は、マスク層を備え、
前記平面基板の前記境界領域は、前記マスク層と前記少なくとも1つの膜層との間にある、膜アセンブリ。 - 前記マスク層は、窒化シリコンを含む、請求項11に記載の膜アセンブリ。
- 前記酸化層は、二酸化シリコンを含む、請求項11又は12に記載の膜アセンブリ。
- 前記酸化層と前記膜層との間に下部犠牲層を備える、請求項11から13の何れか一項に記載の膜アセンブリ。
- 前記膜アセンブリは、パターニングデバイス又は動的ガスロック用である、請求項11から14の何れか一項に記載の膜アセンブリ。
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