JP6628052B2 - レジスト下層膜の形成方法 - Google Patents
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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
- G03F7/004—Photosensitive materials
- G03F7/0046—Photosensitive materials with perfluoro compounds, e.g. for dry lithography
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- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/30—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
- C07C67/333—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by isomerisation; by change of size of the carbon skeleton
- C07C67/343—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
- C07C67/347—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by addition to unsaturated carbon-to-carbon bonds
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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
- G03F7/004—Photosensitive materials
- G03F7/09—Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers
- G03F7/11—Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers having cover layers or intermediate layers, e.g. subbing layers
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/74—Esters of carboxylic acids having an esterified carboxyl group bound to a carbon atom of a ring other than a six-membered aromatic ring
- C07C69/753—Esters of carboxylic acids having an esterified carboxyl group bound to a carbon atom of a ring other than a six-membered aromatic ring of polycyclic acids
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F20/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
- C08F20/02—Monocarboxylic acids having less than ten carbon atoms, Derivatives thereof
- C08F20/10—Esters
- C08F20/34—Esters containing nitrogen, e.g. N,N-dimethylaminoethyl (meth)acrylate
- C08F20/36—Esters containing nitrogen, e.g. N,N-dimethylaminoethyl (meth)acrylate containing oxygen in addition to the carboxy oxygen, e.g. 2-N-morpholinoethyl (meth)acrylate or 2-isocyanatoethyl (meth)acrylate
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
- C09D133/14—Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur or oxygen atoms in addition to the carboxy oxygen
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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
- G03F7/004—Photosensitive materials
- G03F7/075—Silicon-containing compounds
- G03F7/0752—Silicon-containing compounds in non photosensitive layers or as additives, e.g. for dry lithography
-
- 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
- G03F7/004—Photosensitive materials
- G03F7/075—Silicon-containing compounds
- G03F7/0757—Macromolecular compounds containing Si-O, Si-C or Si-N bonds
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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
- G03F7/004—Photosensitive materials
- G03F7/09—Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers
- G03F7/094—Multilayer resist systems, e.g. planarising layers
-
- 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
- G03F7/16—Coating processes; Apparatus therefor
- G03F7/168—Finishing the coated layer, e.g. drying, baking, soaking
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P50/00—Etching of wafers, substrates or parts of devices
- H10P50/69—Etching of wafers, substrates or parts of devices using masks for semiconductor materials
- H10P50/691—Etching of wafers, substrates or parts of devices using masks for semiconductor materials for Group V materials or Group III-V materials
- H10P50/693—Etching of wafers, substrates or parts of devices using masks for semiconductor materials for Group V materials or Group III-V materials characterised by their size, orientation, disposition, behaviour or shape, in horizontal or vertical plane
- H10P50/695—Etching of wafers, substrates or parts of devices using masks for semiconductor materials for Group V materials or Group III-V materials characterised by their size, orientation, disposition, behaviour or shape, in horizontal or vertical plane characterised by the process involved to create the mask, e.g. lift-off masks or sidewalls or to modify the mask
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P76/00—Manufacture or treatment of masks on semiconductor bodies, e.g. by lithography or photolithography
- H10P76/20—Manufacture or treatment of masks on semiconductor bodies, e.g. by lithography or photolithography of masks comprising organic materials
- H10P76/204—Manufacture or treatment of masks on semiconductor bodies, e.g. by lithography or photolithography of masks comprising organic materials of organic photoresist masks
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2601/00—Systems containing only non-condensed rings
- C07C2601/02—Systems containing only non-condensed rings with a three-membered ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2604/00—Fullerenes, e.g. C60 buckminsterfullerene or C70
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- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Materials For Photolithography (AREA)
- Photosensitive Polymer And Photoresist Processing (AREA)
- Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
フラーレン1分子に対して下記式(1):
(式中、2つのRはそれぞれ独立に炭素原子数1乃至10のアルキル基を表す。)
で表されるマロン酸ジエステルが1乃至6分子付加したフラーレン誘導体、エポキシ基を少なくとも2つ有する化合物及び溶剤を含むレジスト下層膜形成組成物を基板上に塗布し、前記レジスト下層膜形成組成物が塗布された基板を、窒素、アルゴン又はそれらの混合物の雰囲気下で240℃以上の温度で少なくとも1回ベークする、レジスト下層膜の形成方法である。
前記レジスト下層膜上に中間層形成組成物を塗布し、ベークすることにより珪素含有中間層を形成する工程と、
前記珪素含有中間層上にレジスト膜を形成する工程と、
前記レジスト膜に対し少なくとも露光及び現像してレジストパターンを形成する工程と、
前記レジストパターンをマスクとして、フルオロカーボンを含むガスを用いて前記珪素含有中間層をドライエッチングする工程を有する、パターン形成方法である。
(式中、nは1乃至6の整数を表す。)
で表される化合物である。しかし、前記フラーレン誘導体は、この式(2)で表されるフラーレン誘導体に特定されるわけではない。
反応容器に窒素気流下マロン酸−ジ−tert−ブチル(Aldrich社製)9.80gを入れ、さらに1,2,4−トリメチルベンゼン150cm3とジアザビシクロ[5.4.0]−7−ウンデセン(1,8−diazabicyclo[5.4.0]undec−7−ene、東京化成工業株式会社製)6.50gを加えて撹拌しながら、温度を4℃に調整した。
合成例1で得たフラーレン誘導体1.0gに、下記式(3)で表されるエポキシ化合物(新日化エポキシ製造株式会社製、商品名:YH434L)0.15g、界面活性剤としてメガファック〔登録商標〕R−40(DIC株式会社)0.001gを混合し、プロピレングリコールモノメチルエーテルアセテート7.0gに溶解させ溶液とした。その後、孔径0.10μmのポリエチレン製ミクロフィルターを用いてろ過し、更に、孔径0.05μmのポリエチレン製ミクロフィルターを用いてろ過して、レジスト下層膜形成組成物(溶液)を調製した。
クレゾールノボラック樹脂(市販品、重量平均分子量は4,000)1gに、プロピレングリコールモノメチルエーテル10.34g及びシクロヘキサノン2.59gを加えて溶解させ、多層膜によるリソグラフィープロセスに用いるレジスト下層膜形成組成物(溶液)を調製した。
形成されたレジスト下層膜を、それぞれ分光エリプソメーター(J.A. Woollam社製、VUV−VASE VU−302)を用いて波長633nmでの屈折率(n値)を測定した。その結果を下記表1に示す。ベーク温度が高くなるほど、n値も高くなり、膜密度が向上することを示唆している。
ドライエッチング速度の測定には、下記のエッチング装置及びエッチングガスを用いた。
エッチング装置:RIE−10NR(サムコ株式会社製)
エッチングガス:CF4
実施例1、実施例2、比較例1及び比較例2のレジスト下層膜のドライエッチング速度を測定した。さらに、比較調製例1で得たレジスト下層膜形成組成物から形成されたレジスト下層膜のドライエッチング速度を測定し、後者のドライエッチング速度を1としたときの前者のドライエッチング速度を算出し、これをドライエッチング速度比と表した。その結果を下記表2に示す。
比較例1及び実施例2のレジスト下層膜について、元素分析を行った。元素分析結果は下記表3に示すとおりである。元素分析は、下記のラザフォード後方散乱分光(RBS)装置を用いて行った。
分析装置:高分解能RBS装置 HRBS500(株式会社神戸製鋼所製)
Claims (3)
- フラーレン1分子に対して下記式(1):
(式中、2つのRはそれぞれ独立に炭素原子数1乃至10のアルキル基を表す。)
で表されるマロン酸ジエステルが1乃至6分子付加したフラーレン誘導体、エポキシ基を少なくとも2つ有する化合物及び溶剤を含むレジスト下層膜形成組成物を基板上に塗布し、前記レジスト下層膜形成組成物が塗布された基板を、窒素、アルゴン又はそれらの混合物の雰囲気下で240℃乃至750℃の温度で2回ベークする工程を含み、2回目のベーク温度は1回目のベーク温度より高くかつ前記雰囲気下での2回目のベーク温度は500℃以上750℃以下であり、前記雰囲気の酸素濃度は0.01ppm乃至100ppmである、レジスト下層膜の形成方法。 - 前記レジスト下層膜形成組成物はさらに界面活性剤を含む請求項1に記載のレジスト下層膜の形成方法。
- 請求項1又は請求項2に記載の方法により形成されたレジスト下層膜上に中間層形成組成
物を塗布し、ベークすることにより珪素含有中間層を形成する工程と、前記珪素含有中間層上にレジスト膜を形成する工程と、
前記レジスト膜に対し少なくとも露光及び現像してレジストパターンを形成する工程と、前記レジストパターンをマスクとして、フルオロカーボンを含むガスを用いて前記珪素含有中間層をドライエッチングする工程を有する、パターン形成方法。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015048760 | 2015-03-11 | ||
| JP2015048760 | 2015-03-11 | ||
| PCT/JP2016/053534 WO2016143436A1 (ja) | 2015-03-11 | 2016-02-05 | レジスト下層膜の形成方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPWO2016143436A1 JPWO2016143436A1 (ja) | 2017-12-21 |
| JP6628052B2 true JP6628052B2 (ja) | 2020-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2017504921A Active JP6628052B2 (ja) | 2015-03-11 | 2016-02-05 | レジスト下層膜の形成方法 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US10551737B2 (ja) |
| JP (1) | JP6628052B2 (ja) |
| KR (1) | KR102308765B1 (ja) |
| CN (1) | CN107407883A (ja) |
| TW (1) | TWI689785B (ja) |
| WO (1) | WO2016143436A1 (ja) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10290500B2 (en) * | 2014-10-08 | 2019-05-14 | Irresistible Materials Ltd | Spin on hard mask material |
| US11298249B2 (en) | 2018-06-07 | 2022-04-12 | Ossur Iceland Ehf | Prosthetic interface |
| CN109426100B (zh) * | 2018-10-29 | 2019-08-30 | 福建泓光半导体材料有限公司 | 一种耐刻蚀的光刻胶及其制备方法和应用以及光刻方法 |
| JP7390964B2 (ja) * | 2019-05-27 | 2023-12-04 | 信越化学工業株式会社 | 有機膜形成用材料、半導体装置製造用基板、及び有機膜の形成方法 |
| JP7611865B2 (ja) | 2022-03-03 | 2025-01-10 | 信越化学工業株式会社 | 有機膜形成用組成物、及びパターン形成方法 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5759666A (en) * | 1995-12-21 | 1998-06-02 | Minnesota Mining And Manufacturing Company | Carboxylic acid functional polyurethane polymers and blends thereof used in magnetic recording media |
| JP3486123B2 (ja) * | 1998-12-28 | 2004-01-13 | 株式会社東芝 | パターントランスファ組成物及びパターントランスファ方法 |
| WO2005097883A2 (en) * | 2004-03-26 | 2005-10-20 | King Industries, Inc. | Method of producing a crosslinked coating in the manufacture of integrated circuits |
| US7745104B2 (en) * | 2006-08-10 | 2010-06-29 | Shin-Etsu Chemical Co., Ltd. | Bottom resist layer composition and patterning process using the same |
| JP5035252B2 (ja) * | 2006-11-20 | 2012-09-26 | Jsr株式会社 | レジスト下層膜形成用組成物及びパターン形成方法 |
| JP4748055B2 (ja) * | 2006-12-27 | 2011-08-17 | Jsr株式会社 | レジスト下層膜形成用組成物及びパターン形成方法 |
| US8361694B2 (en) * | 2007-04-06 | 2013-01-29 | Nissan Chemical Industries, Ltd. | Resist underlayer film forming composition |
| JP5077569B2 (ja) * | 2007-09-25 | 2012-11-21 | 信越化学工業株式会社 | パターン形成方法 |
| JP5292771B2 (ja) * | 2007-11-15 | 2013-09-18 | 三菱化学株式会社 | フラーレン誘導体並びにその溶液及び膜 |
| JP5068828B2 (ja) * | 2010-01-19 | 2012-11-07 | 信越化学工業株式会社 | レジスト下層膜形成用組成物、レジスト下層膜形成方法、及びパターン形成方法 |
| JP5068831B2 (ja) * | 2010-02-05 | 2012-11-07 | 信越化学工業株式会社 | レジスト下層膜材料、レジスト下層膜形成方法、パターン形成方法 |
| JP5757286B2 (ja) * | 2010-03-01 | 2015-07-29 | 日産化学工業株式会社 | フラーレン誘導体を含むレジスト下層膜形成組成物 |
| JP5395012B2 (ja) * | 2010-08-23 | 2014-01-22 | 信越化学工業株式会社 | レジスト下層膜材料、レジスト下層膜形成方法、パターン形成方法、フラーレン誘導体 |
| US20130194668A1 (en) * | 2012-01-30 | 2013-08-01 | Guardian Industries Corp. | Method of making coated article including anti-reflection coating with double coating layers including mesoporous materials, and products containing the same |
| US20150010703A1 (en) * | 2012-02-10 | 2015-01-08 | The University Of Birmingham | Spin on Hard-Mask Material |
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2016
- 2016-02-05 JP JP2017504921A patent/JP6628052B2/ja active Active
- 2016-02-05 KR KR1020177027786A patent/KR102308765B1/ko active Active
- 2016-02-05 US US15/554,403 patent/US10551737B2/en active Active
- 2016-02-05 CN CN201680012680.6A patent/CN107407883A/zh active Pending
- 2016-02-05 WO PCT/JP2016/053534 patent/WO2016143436A1/ja not_active Ceased
- 2016-02-18 TW TW105104770A patent/TWI689785B/zh active
Also Published As
| Publication number | Publication date |
|---|---|
| US20180046078A1 (en) | 2018-02-15 |
| KR20170126967A (ko) | 2017-11-20 |
| TW201704881A (zh) | 2017-02-01 |
| JPWO2016143436A1 (ja) | 2017-12-21 |
| WO2016143436A1 (ja) | 2016-09-15 |
| TWI689785B (zh) | 2020-04-01 |
| KR102308765B1 (ko) | 2021-10-05 |
| CN107407883A (zh) | 2017-11-28 |
| US10551737B2 (en) | 2020-02-04 |
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