JP5265174B2 - エッチングリアクタを用いたナノ−インプリントテンプレートのエッチング - Google Patents
エッチングリアクタを用いたナノ−インプリントテンプレートのエッチング Download PDFInfo
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 21
- 239000000460 chlorine Substances 0.000 claims description 21
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 19
- 229910052801 chlorine Inorganic materials 0.000 claims description 19
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- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 14
- 229910052804 chromium Inorganic materials 0.000 description 13
- 239000011651 chromium Substances 0.000 description 13
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 12
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- YXTPWUNVHCYOSP-UHFFFAOYSA-N bis($l^{2}-silanylidene)molybdenum Chemical compound [Si]=[Mo]=[Si] YXTPWUNVHCYOSP-UHFFFAOYSA-N 0.000 description 5
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- 229920002120 photoresistant polymer Polymers 0.000 description 4
- 238000005240 physical vapour deposition Methods 0.000 description 4
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 3
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- BMYNFMYTOJXKLE-UHFFFAOYSA-N 3-azaniumyl-2-hydroxypropanoate Chemical compound NCC(O)C(O)=O BMYNFMYTOJXKLE-UHFFFAOYSA-N 0.000 description 1
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
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- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
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- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
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- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 1
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- WMIYKQLTONQJES-UHFFFAOYSA-N hexafluoroethane Chemical compound FC(F)(F)C(F)(F)F WMIYKQLTONQJES-UHFFFAOYSA-N 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 229910000042 hydrogen bromide Inorganic materials 0.000 description 1
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- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
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- DNNSSWSSYDEUBZ-UHFFFAOYSA-N krypton atom Chemical compound [Kr] DNNSSWSSYDEUBZ-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
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- GALOTNBSUVEISR-UHFFFAOYSA-N molybdenum;silicon Chemical compound [Mo]#[Si] GALOTNBSUVEISR-UHFFFAOYSA-N 0.000 description 1
- 239000002086 nanomaterial Substances 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
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- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 1
- 229960000909 sulfur hexafluoride Drugs 0.000 description 1
- 238000009281 ultraviolet germicidal irradiation Methods 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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Classifications
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- 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
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F4/00—Processes for removing metallic material from surfaces, not provided for in group C23F1/00 or C23F3/00
-
- 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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
-
- 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
- G03F1/68—Preparation processes not covered by groups G03F1/20 - G03F1/50
-
- 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
- G03F1/68—Preparation processes not covered by groups G03F1/20 - G03F1/50
- G03F1/80—Etching
-
- 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
- G03F7/0002—Lithographic processes using patterning methods other than those involving the exposure to radiation, e.g. by stamping
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- Nanotechnology (AREA)
- Crystallography & Structural Chemistry (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Drying Of Semiconductors (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
- Preparing Plates And Mask In Photomechanical Process (AREA)
Description
本発明の実施形態は、ナノ−インプリント技術を用いた構造の製造に関する。
UVナノ−インプリント技術は、マイクロ−及びナノ−構造の製造に利用されている。ナノ−インプリントは、機械的複製技術であり、基板にスピンコートされたUV硬化性レジストへ、鋳型をプレスするものである。インプリント領域において、鋳型を通してレジストにUV照射を行うと、レジストが重合及び硬化される。鋳型を除去すると、レジストに形成されたパターンの反転した三次元複製が残る。インプリントレジストの薄い部分を除去して、レジスト層に開口部を作成してマスクを形成し、これを利用してレジストの下にある1枚以上の層をエッチングする。この技術によって、10nmの間隔で迅速で高精細な印刷及びかなりのパターン忠実性が可能となる。
従って、ナノ−インプリント技術を用いた構造の製造に好適なプロセス及び化学が必要とされている。
他の実施形態において、第1及び第2のエッチングステップは、同じ処理チャンバで実施される。
以下の説明は、フォトリソグラフィーレチクル製造においてフォトマスクとして、クロム及び酸窒化クロム等の金属層をエッチングするプロセスシーケンスの一実施形態を示しているが、エッチングガスを用いて、半導体及びフォトリソグラフィーレチクル製造において基板上に形成されたその他の材料層をエッチングしてもよいものと考えられる。
Claims (18)
- 光学的に透明な基板上に形成された金属フォトマスク層を有するレチクル上に配置されたレジスト材料の層に鋳型を配置する工程と、
前記レチクル上の前記レジスト材料を硬化する工程と、
前記鋳型を除去して、前記硬化レジスト材料にインプリントを残す工程と、
処理チャンバにおいて、サポート部材に前記インプリントレチクルを配置する工程と、
前記インプリントレジスト材料のリセス領域をエッチングして、前記処理チャンバに形成されたプラズマを用いて、前記金属フォトマスク層の部分を露出する工程と、
前記プラズマを用いて、前記インプリントレジスト材料を通して前記金属フォトマスク層の露出した部分をエッチングする工程とを含むフォトリソグラフィーレチクルを処理する方法。 - 硬化工程が、
前記鋳型を通して前記レジスト材料を硬化するエネルギーを伝達して、前記鋳型と接触したまま前記レジスト材料を硬化させる工程を含む請求項1記載の方法。 - 前記インプリントレジスト材料のリセス領域をエッチングする工程が、
前記プラズマが前記処理チャンバに形成される第1のガス混合物を提供する工程を含み、前記第1のガス混合物が、酸素含有ガス、ハロゲン含有ガス及び塩素含有ガスを含む請求項1記載の方法。 - 前記インプリントレジスト材料のリセス領域をエッチングする工程が、
不活性ガスを前記第1のガス混合物に提供する工程を含み、前記不活性ガスが、前記合計ガス混合物の約5〜約40体積パーセントを構成する請求項3記載の方法。 - 前記金属フォトマスク層の前記露出した部分をエッチングする工程が、
前記プラズマが前記処理チャンバに形成される第2のガス混合物を提供する工程を含み、前記第2のガス混合物が、酸素含有ガス、ハロゲン含有ガス及び塩素含有ガスを含む請求項3記載の方法。 - 前記インプリントレジスト材料のリセス領域をエッチングし、前記金属フォトマスク層の前記露出した部分をエッチングする工程が、前記処理チャンバでイン・サイチュで実施される請求項5記載の方法。
- 前記エッチングされた金属フォトマスク層上にレジスト材料の第2の層を堆積する工程と、
前記レジスト材料の第2の層をパターン化して、減衰材料を露出する工程と、
前記レジスト材料のパターン化された第2を通して、前記減衰材料の前記露出した部分をプラズマエッチングして、位相シフトフォトマスクを形成する工程とを含む請求項1記載の方法。 - 前記レジスト材料の第2の層をパターン化する工程が、
前記レジスト材料の第2の層をインプリントする工程と、
前記レジスト材料のインプリントされた第2の層のリセス領域をエッチングして、前記減衰材料の部分を露出する工程とを含む請求項7記載の方法。 - 処理チャンバにおいて、サポート部材にレチクルを配置する工程であって、前記レチクルが、光学的に透明な基板上に形成された金属フォトマスク層と、前記金属フォトマスク層上に堆積したレジスト材料とを含み、前記レジスト材料は鋳型によってインプリントされ、インプリントレジスト材料として隆起表面を形成する工程と、
酸素含有ガス、塩素含有ガス及びハロゲン含有ガスを含む処理ガスを前記処理チャンバへ導入する工程と、
前記処理ガスから形成されたプラズマを用いて、前記インプリントレジスト材料のリセス領域をエッチングして、前記金属フォトマスク層の部分を露出する工程と、
前記プラズマを用いて、前記インプリントレジスト材料を通して、前記金属フォトマスク層の露出した部分をエッチングする工程とを含むリソグラフィーレチクルを処理する方法。 - 前記インプリントレジスト材料のリセス領域をエッチングする工程が、
酸素含有ガス、ハロゲン含有ガス及び塩素含有ガスから前記プラズマを形成する工程を含む請求項9記載の方法。 - 前記インプリントレジスト材料のリセス領域をエッチングする工程が、
不活性ガスに、酸素含有ガス、ハロゲン含有ガス及び塩素含有ガスを提供する工程を含み、前記不活性ガスが、前記プラズマを形成するのに用いる合計ガス体積の約5〜約40体積パーセントを構成する請求項10記載の方法。 - 前記金属フォトマスク層の前記露出した部分をエッチングする工程が、
酸素含有ガス、ハロゲン含有ガス及び塩素含有ガスから形成されたプラズマを形成する工程を含む請求項10記載の方法。 - 前記インプリントレジスト材料のリセス領域をエッチングする工程と、前記金属フォトマスク層の前記露出した部分をエッチングする工程が、
前記処理チャンバでイン・サイチュで実施される請求項9記載の方法。 - 前記エッチングされた金属フォトマスク層上に、レジスト材料の第2の層を堆積する工程と、
前記レジスト材料の第2の層をパターン化して、減衰材料を露出する工程と、
前記レジスト材料のパターン化された第2を通して、前記減衰材料の前記露出した部分をプラズマエッチングして、プラズマシフトフォトマスクを形成する工程とを含む請求項9記載の方法。 - 前記レジスト材料の第2の層をパターン化する工程が、
前記レジスト材料の第2の層をインプリントする工程を含む請求項14記載の方法。 - 光学的に透明な基板上に形成された金属フォトマスク層を有するレチクル及び金属フォトマスク層上に堆積したレジスト材料を提供する工程であって、前記レジスト材料は鋳型によってインプリントされ、インプリントレジスト材料として隆起表面を形成する工程と、
第1のエッチングステップにおいて、インプリントレジスト材料のリセス領域をエッチングして、金属フォトマスク層の部分を露出する工程と、
第2のエッチングステップにおいて、インプリントレジスト材料を通して金属フォトマスク層の露出した部分をエッチングする工程とを含み、第1及び第2のエッチングステップの両方が、酸素含有ガス、塩素含有ガス及びハロゲン含有ガスを含む処理ガスから形成されたプラズマを利用するフォトリソグラフィーレチクルを処理する方法。 - 前記第1及び第2のエッチングステップの両方で利用される前記処理ガスが、異なる比率の酸素含有ガス、塩素含有ガス及びハロゲン含有ガスを含む請求項16記載の方法。
- 第1及び第2のエッチングステップが、同じ処理チャンバで実施される請求項16記載の方法。
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USD981973S1 (en) | 2021-05-11 | 2023-03-28 | Asm Ip Holding B.V. | Reactor wall for substrate processing apparatus |
USD980813S1 (en) | 2021-05-11 | 2023-03-14 | Asm Ip Holding B.V. | Gas flow control plate for substrate processing apparatus |
DE102021116587B3 (de) * | 2021-06-28 | 2022-07-07 | Jenoptik Optical Systems Gmbh | Verfahren zum Herstellen einer Ätzmaske, Verfahren zum Ätzen einer Struktur in ein Substrat, Verwendung einer Tetrelschicht |
USD990441S1 (en) | 2021-09-07 | 2023-06-27 | Asm Ip Holding B.V. | Gas flow control plate |
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TW575786B (en) * | 2000-03-14 | 2004-02-11 | Takashi Nishi | Exposure controlling photomask and production method thereof |
US6391790B1 (en) * | 2000-05-22 | 2002-05-21 | Applied Materials, Inc. | Method and apparatus for etching photomasks |
WO2001096955A2 (en) * | 2000-06-15 | 2001-12-20 | Applied Materials, Inc. | A method and apparatus for etching metal layers on substrates |
JP3760086B2 (ja) * | 2000-07-07 | 2006-03-29 | 株式会社ルネサステクノロジ | フォトマスクの製造方法 |
JP2002131883A (ja) * | 2000-10-27 | 2002-05-09 | Hitachi Ltd | フォトマスクの製造方法およびフォトマスク |
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JP4133580B2 (ja) | 2003-05-21 | 2008-08-13 | 独立行政法人科学技術振興機構 | 圧電材料の加工方法 |
US7521000B2 (en) * | 2003-08-28 | 2009-04-21 | Applied Materials, Inc. | Process for etching photomasks |
JP4322096B2 (ja) * | 2003-11-14 | 2009-08-26 | Tdk株式会社 | レジストパターン形成方法並びに磁気記録媒体及び磁気ヘッドの製造方法 |
CN1619417A (zh) * | 2003-11-21 | 2005-05-25 | 奥博杜卡特股份公司 | 多层超微压印平版印刷 |
KR20050075580A (ko) * | 2004-01-16 | 2005-07-21 | 엘지전자 주식회사 | 나노 임프린트 리쏘그라피를 이용한 대면적 스탬프 제작방법 |
TWI366218B (en) | 2004-06-01 | 2012-06-11 | Semiconductor Energy Lab | Method for manufacturing semiconductor device |
WO2006035859A1 (ja) * | 2004-09-30 | 2006-04-06 | Japan Science And Technology Agency | 自己組織化材料のパターニング方法、及び自己組織化材料パターニング基板とその生産方法、並びに自己組織化材料パターニング基板を用いたフォトマスク |
US7879510B2 (en) * | 2005-01-08 | 2011-02-01 | Applied Materials, Inc. | Method for quartz photomask plasma etching |
CN101151132A (zh) * | 2005-03-30 | 2008-03-26 | 日本瑞翁株式会社 | 树脂模及使用该树脂模的成型体的制造方法 |
JP2007114451A (ja) * | 2005-10-20 | 2007-05-10 | Hoya Corp | マスクブランクス、および転写マスクの製造方法 |
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EP1918776B1 (en) | 2013-04-24 |
TW200822185A (en) | 2008-05-16 |
TWI391987B (zh) | 2013-04-01 |
US7955516B2 (en) | 2011-06-07 |
US20080105649A1 (en) | 2008-05-08 |
CN101174086A (zh) | 2008-05-07 |
KR20080040556A (ko) | 2008-05-08 |
CN101174086B (zh) | 2014-02-12 |
EP1918776A1 (en) | 2008-05-07 |
SG142213A1 (en) | 2008-05-28 |
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