WO2005083138A1 - Ni-Pt合金及び同合金ターゲット - Google Patents
Ni-Pt合金及び同合金ターゲット Download PDFInfo
- Publication number
- WO2005083138A1 WO2005083138A1 PCT/JP2005/001813 JP2005001813W WO2005083138A1 WO 2005083138 A1 WO2005083138 A1 WO 2005083138A1 JP 2005001813 W JP2005001813 W JP 2005001813W WO 2005083138 A1 WO2005083138 A1 WO 2005083138A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- alloy
- target
- high purity
- purity
- producing
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/16—Making metallic powder or suspensions thereof using chemical processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/16—Making metallic powder or suspensions thereof using chemical processes
- B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
- B22F9/24—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from liquid metal compounds, e.g. solutions
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
-
- 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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/34—Sputtering
-
- 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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/34—Sputtering
- C23C14/3407—Cathode assembly for sputtering apparatus, e.g. Target
- C23C14/3414—Metallurgical or chemical aspects of target preparation, e.g. casting, powder metallurgy
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C1/00—Electrolytic production, recovery or refining of metals by electrolysis of solutions
- C25C1/20—Electrolytic production, recovery or refining of metals by electrolysis of solutions of noble metals
-
- 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
- H01L21/04—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
- H01L21/28088—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 a composite, e.g. TiN
Definitions
- the present invention relates to a sputtering target manufactured by rolling a Ni—Pt alloy and a Ni—Pt alloy ingot excellent in workability, and a method of manufacturing them.
- this Ni—Pt target has been manufactured by a powder metallurgy method. That is, it was manufactured by sintering Ni powder and Pt powder, or by sintering Ni-Pt alloy powder to be made into a target.
- a sintered product can not be a high density product of 100%, it can not be denied that the sintered product is inferior in compactness to a target produced by melting and rolling this product.
- Ni-Pt melt-fabricated products have the problem of being very hard and brittle. For this reason, rolling of a Ni—Pt ingot causes intergranular cracking, resulting in the problem that flat flat uniform target can not be manufactured. This is also the reason that it was manufactured using powder metallurgy as described above.
- the cause of the occurrence of the crack is in the coarse crystal grains in the target, and in order to refine this, a crucible having a large heat capacity is prepared or a water cooled crucible is used. It was intended to suppress coarsening by suppressing rapid rise and rapid cooling.
- Patent Document 1 there is a disadvantage that the equipment becomes large-scale in order to prepare a large heat capacity type or a water-cooled type, and if the cooling rate can not be increased quickly, crystallization may occur. There is a problem that it is difficult to suppress the coarsening of In addition, since it is difficult to form a uniform crystal structure in order to coarsen as the crystal separates in places contacting with the mold, it is impossible to produce a uniform structure or a stable target. There was a problem.
- Patent Document 1 Japanese Patent Application Laid-Open No. 63-33563
- An object of the present invention is to provide a technology for stably and efficiently producing a rolling target by reducing the hardness of a Ni-Pt alloy ingot to enable rolling.
- the present invention is l) a Ni--Pt alloy having a Pt content of 0.1 to 20 wt.%, Characterized by having a Vickers hardness of 0 to 90, and having excellent workability.
- An alloy and the same target 2) The NiPt alloy and the target according to 1) having a purity of 99. 99% or more.
- 3) a step of electrochemically dissolving the raw material Ni at the 3N level, a step of neutralizing the electrolytically leached solution with ammonia, and filtering the neutralized solution using activated carbon.
- the present invention provides a method for producing a Ni—Pt alloy target characterized by rolling the melted Ni—Pt alloy ingot produced by the process described in any one of 6) 3-5. It is a thing. Effect of the invention
- the present invention requires equipment for accelerating the cooling rate in order to suppress crystal coarsening, for example, equipment for preparing a large heat capacity crucible or using a water-cooled crucible.
- the quality of Ni Pt alloy film formation is achieved by making it easy to cold-roll the melted Ni-Pt alloy ingot without taking it, and simultaneously reducing the impurities contained in the Ni-Pt alloy target to achieve high purity. It was possible to obtain the excellent effect of being able to improve the In addition, this prevents the generation of cracking or cracking of the target, and can suppress the generation of particles caused by the abnormal discharge of sputtering that has often been generated in the conventional sintered target. It became possible to get.
- the present invention is applicable to a Ni—Pt alloy having a Pt content of 0.1 to 20 wt%.
- This component composition is required for film formation of a NiPt alloy material in a semiconductor device, and is also a composition region of a NiPt alloy or target capable of reducing the hardness of the present invention.
- the Vickers hardness obtained by the Ni-Pt alloy of the present invention is 40-90.
- the hardness increases as the amount of Pt contained in Ni increases. And this also has a large effect on the amount of impurities. At the 3 ⁇ level, the hardness increases rapidly as the amount of Pt contained in Ni increases, and reaches about Hvl 30 near Ni-20 wt% Pt.
- the highly purified Ni—Pt alloy according to the present invention has a gradually increasing hardness up to 20 wt% PtO.lwt% force Vickers hardness is within the range of 0-90, and cold rolling It is a possible range. This is a major feature of the present invention.
- the content is less than PtO. 1 wt%, sufficient properties as a Ni-Pt alloy can not be obtained. If the content exceeds 20 wt%, the target becomes too hard to process the target as described above. It is 20 wt%.
- the Ni—Pt alloy and the target of the present invention have a purity of 99. 99% or more. This enables the Vickers hardness to be in the range of 40-90 and to enable cold rolling.
- Ni-Pt alloy excellent in caustic properties A method of producing such a Ni-Pt alloy excellent in caustic properties will be described.
- a Ni raw material first, 3N level raw material Ni is electrochemically dissolved, and then this electrolytically leached solution is used. The solution is neutralized with ammonia and the neutralized solution is filtered using activated charcoal to remove impurities.
- 3N level raw material Pt is leached with an acid, and the leached solution is electrolyzed to produce high-purity electrodeposited Pt.
- Ni-Pt alloys have a purity of 99. 99% (4N) or more.
- the Vickers hardness of the solution-fabricated Ni-Pt alloy alloy in which the Pt content obtained in this manner is 0.1 to 20 wt% is 0 to 90. As described above, this ingot is excellent in workability.
- Ni—Pt alloy target By cold rolling the molten Ni—Pt alloy ingot manufactured in this manner, a Ni—Pt alloy target can be easily manufactured.
- Example 1 An anode was prepared using 10 kg of 3N Ni source shown in Table 1, and electrolytic leaching was performed using a hydrochloric acid solution. When the solution reached lOOgZL, the solution was neutralized with ammonia to a pH of 8. This solution was further added with activated carbon lOgZL and filtered to remove impurities.
- Example 2 In the same manner as in Example 1, a high purity N-0.5% Pt alloy was produced. The hardness of this alloy was Hv 45. This was rolled at room temperature to make a target. The target was easily rolled without cracks or cracks. The results are shown in Table 2.
- Example 2 In the same manner as in Example 1, a high purity ⁇ ⁇ -5% Pt alloy was produced. The hardness of this alloy was H v 55. This was rolled at room temperature to make a target. The target was easily rolled without cracks or cracks. The results are shown in Table 2.
- Example 2 In the same manner as in Example 1, a high purity M-10% Pt alloy was produced. The hardness of this alloy was Hv 65. This was rolled at room temperature to make a target. The target was easily rolled without cracking or cracking. The results are shown in Table 2. [Table 2]
- the molten Ni—Pt alloy ingot can be easily cold-rolled, and at the same time, impurities contained in the Ni—Pt alloy target are reduced to achieve high purification.
- impurities contained in the Ni—Pt alloy target are reduced to achieve high purification.
- This also prevents the target from cracking or cracking, and It has a remarkable effect of being able to suppress the generation of particles due to abnormal discharge of the jitter. Therefore, it is suitable for film formation of a Ni—Pt alloy in a semiconductor device.
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/596,671 US20070098590A1 (en) | 2004-03-01 | 2005-02-08 | Ni-pt alloy and target comprising the alloy |
EP05709865A EP1721997B1 (en) | 2004-03-01 | 2005-02-08 | Method of manufacturing a Ni-Pt ALLOY. |
JP2006510388A JP4409572B2 (ja) | 2004-03-01 | 2005-02-08 | Ni−Pt合金及び同合金ターゲット |
US12/957,013 US7959782B2 (en) | 2004-03-01 | 2010-11-30 | Method of manufacturing a Ni-Pt alloy |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-056097 | 2004-03-01 | ||
JP2004056097 | 2004-03-01 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/596,671 A-371-Of-International US20070098590A1 (en) | 2004-03-01 | 2005-02-08 | Ni-pt alloy and target comprising the alloy |
US12/957,013 Division US7959782B2 (en) | 2004-03-01 | 2010-11-30 | Method of manufacturing a Ni-Pt alloy |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005083138A1 true WO2005083138A1 (ja) | 2005-09-09 |
Family
ID=34908895
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/001813 WO2005083138A1 (ja) | 2004-03-01 | 2005-02-08 | Ni-Pt合金及び同合金ターゲット |
Country Status (7)
Country | Link |
---|---|
US (2) | US20070098590A1 (ja) |
EP (2) | EP1721997B1 (ja) |
JP (2) | JP4409572B2 (ja) |
KR (2) | KR101021488B1 (ja) |
CN (1) | CN100567535C (ja) |
TW (1) | TWI264480B (ja) |
WO (1) | WO2005083138A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009119196A1 (ja) * | 2008-03-28 | 2009-10-01 | 日鉱金属株式会社 | 磁性材ターゲット用白金粉末、同粉末の製造方法、白金焼結体からなる磁性材ターゲットの製造方法及び同焼結磁性材ターゲット |
WO2010092863A1 (ja) * | 2009-02-10 | 2010-08-19 | 日鉱金属株式会社 | ニッケル合金スパッタリングターゲット及びニッケルシリサイド膜 |
KR101032011B1 (ko) | 2009-02-10 | 2011-05-02 | 제이엑스 닛코 닛세키 킨조쿠 가부시키가이샤 | 니켈 합금 스퍼터링 타겟 및 니켈실리사이드막 |
WO2011115259A1 (ja) | 2010-03-19 | 2011-09-22 | Jx日鉱日石金属株式会社 | ニッケル合金スパッタリングターゲット、Ni合金薄膜及びニッケルシリサイド膜 |
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JP4376487B2 (ja) * | 2002-01-18 | 2009-12-02 | 日鉱金属株式会社 | 高純度ニッケル合金ターゲットの製造方法 |
JP4466902B2 (ja) * | 2003-01-10 | 2010-05-26 | 日鉱金属株式会社 | ニッケル合金スパッタリングターゲット |
US8871144B2 (en) * | 2003-10-07 | 2014-10-28 | Jx Nippon Mining & Metals Corporation | High-purity Ni-V alloy target therefrom high-purity Ni-V alloy thin film and process for producing high-purity Ni-V alloy |
US7605481B2 (en) * | 2003-10-24 | 2009-10-20 | Nippon Mining & Metals Co., Ltd. | Nickel alloy sputtering target and nickel alloy thin film |
KR101021488B1 (ko) * | 2004-03-01 | 2011-03-16 | Jx닛코 닛세끼 킨조쿠 가부시키가이샤 | 니켈-플라티늄 합금 및 동(同) 합금 타겟트 |
US20090028744A1 (en) * | 2007-07-23 | 2009-01-29 | Heraeus, Inc. | Ultra-high purity NiPt alloys and sputtering targets comprising same |
US20100154867A1 (en) | 2008-12-19 | 2010-06-24 | E. I. Du Pont De Nemours And Company | Mechanically reliable solar cell modules |
JP5226155B2 (ja) | 2010-08-31 | 2013-07-03 | Jx日鉱日石金属株式会社 | Fe−Pt系強磁性材スパッタリングターゲット |
US8968537B2 (en) * | 2011-02-09 | 2015-03-03 | Applied Materials, Inc. | PVD sputtering target with a protected backing plate |
JP6340621B2 (ja) * | 2013-07-26 | 2018-06-13 | 三菱マテリアル株式会社 | Niスパッタリングターゲット及びその製造方法 |
CN104726829A (zh) * | 2013-12-18 | 2015-06-24 | 有研亿金新材料股份有限公司 | 一种高纯NiPt合金靶材及其制备方法 |
CN106133185B (zh) | 2014-03-27 | 2018-09-28 | 捷客斯金属株式会社 | 包含Ni-P合金或Ni-Pt-P合金的溅射靶及其制造方法 |
CN104018128B (zh) * | 2014-05-29 | 2016-08-24 | 贵研铂业股份有限公司 | 一种镍铂合金溅射靶材及其制备方法 |
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WO2016208704A1 (ja) | 2015-06-26 | 2016-12-29 | 国立大学法人東京工業大学 | 半導体デバイス電極用のシリサイド合金膜及びシリサイド合金膜の製造方法 |
CN106282639B (zh) * | 2016-09-19 | 2018-02-16 | 中材科技股份有限公司 | 一种铂镍合金溅射靶材及其制备方法 |
CN111304608B (zh) * | 2020-03-17 | 2021-10-15 | 贵研铂业股份有限公司 | 一种晶粒高定向取向的镍铂合金溅射靶材及其制备方法 |
CN113881920A (zh) * | 2020-07-03 | 2022-01-04 | 光洋应用材料科技股份有限公司 | 镍铂合金靶材及其制法 |
CN112853131B (zh) * | 2020-12-30 | 2022-07-19 | 有研亿金新材料有限公司 | 一种高纯度低气体含量镍铂合金的制备方法 |
IT202100003281A1 (it) | 2021-02-15 | 2022-08-15 | Bluclad S P A | Lega pt-ni elettrodepositata anallergica e relativi bagno e ciclo galvanico |
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-
2005
- 2005-02-08 KR KR1020097019099A patent/KR101021488B1/ko active IP Right Grant
- 2005-02-08 WO PCT/JP2005/001813 patent/WO2005083138A1/ja active Application Filing
- 2005-02-08 KR KR1020067019867A patent/KR100925691B1/ko active IP Right Grant
- 2005-02-08 US US10/596,671 patent/US20070098590A1/en not_active Abandoned
- 2005-02-08 EP EP05709865A patent/EP1721997B1/en active Active
- 2005-02-08 EP EP11188413.6A patent/EP2468906B1/en active Active
- 2005-02-08 CN CNB2005800065132A patent/CN100567535C/zh active Active
- 2005-02-08 JP JP2006510388A patent/JP4409572B2/ja active Active
- 2005-02-21 TW TW094105007A patent/TWI264480B/zh active
-
2009
- 2009-10-09 JP JP2009235184A patent/JP5113134B2/ja active Active
-
2010
- 2010-11-30 US US12/957,013 patent/US7959782B2/en active Active
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WO1992015713A1 (en) * | 1991-03-05 | 1992-09-17 | Environchip Technologies Ltd. | Process for recovery of metal |
JPH0543921A (ja) * | 1991-08-12 | 1993-02-23 | Murata Mfg Co Ltd | ニツケル微粉末の製造方法 |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009119196A1 (ja) * | 2008-03-28 | 2009-10-01 | 日鉱金属株式会社 | 磁性材ターゲット用白金粉末、同粉末の製造方法、白金焼結体からなる磁性材ターゲットの製造方法及び同焼結磁性材ターゲット |
JP5301530B2 (ja) * | 2008-03-28 | 2013-09-25 | Jx日鉱日石金属株式会社 | 磁性材ターゲット用白金粉末、同粉末の製造方法、白金焼結体からなる磁性材ターゲットの製造方法及び同焼結磁性材ターゲット |
WO2010092863A1 (ja) * | 2009-02-10 | 2010-08-19 | 日鉱金属株式会社 | ニッケル合金スパッタリングターゲット及びニッケルシリサイド膜 |
JP4577800B2 (ja) * | 2009-02-10 | 2010-11-10 | Jx日鉱日石金属株式会社 | ニッケル合金スパッタリングターゲット及びニッケルシリサイド膜 |
KR101032011B1 (ko) | 2009-02-10 | 2011-05-02 | 제이엑스 닛코 닛세키 킨조쿠 가부시키가이샤 | 니켈 합금 스퍼터링 타겟 및 니켈실리사이드막 |
US8114341B2 (en) | 2009-02-10 | 2012-02-14 | Jx Nippon Mining & Metals Corporation | Nickel alloy sputtering target and nickel silicide film |
JPWO2010092863A1 (ja) * | 2009-02-10 | 2012-08-16 | Jx日鉱日石金属株式会社 | ニッケル合金スパッタリングターゲット及びニッケルシリサイド膜 |
WO2011115259A1 (ja) | 2010-03-19 | 2011-09-22 | Jx日鉱日石金属株式会社 | ニッケル合金スパッタリングターゲット、Ni合金薄膜及びニッケルシリサイド膜 |
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KR101021488B1 (ko) | 2011-03-16 |
CN1926254A (zh) | 2007-03-07 |
US7959782B2 (en) | 2011-06-14 |
EP1721997A4 (en) | 2009-11-11 |
JP4409572B2 (ja) | 2010-02-03 |
KR20090101393A (ko) | 2009-09-25 |
KR100925691B1 (ko) | 2009-11-10 |
TWI264480B (en) | 2006-10-21 |
EP1721997B1 (en) | 2012-03-28 |
TW200530429A (en) | 2005-09-16 |
JPWO2005083138A1 (ja) | 2007-11-22 |
EP1721997A1 (en) | 2006-11-15 |
EP2468906A1 (en) | 2012-06-27 |
EP2468906B1 (en) | 2014-07-23 |
US20110068014A1 (en) | 2011-03-24 |
CN100567535C (zh) | 2009-12-09 |
US20070098590A1 (en) | 2007-05-03 |
JP5113134B2 (ja) | 2013-01-09 |
JP2010047843A (ja) | 2010-03-04 |
KR20060114384A (ko) | 2006-11-06 |
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