JP2020118403A - 放熱装置、及びそれを備える光照射装置 - Google Patents
放熱装置、及びそれを備える光照射装置 Download PDFInfo
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
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- 239000000956 alloy Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
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- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
- F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
- B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
- B41F23/0403—Drying webs
- B41F23/0406—Drying webs by radiation
- B41F23/0409—Ultraviolet dryers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
- B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
- B41F23/044—Drying sheets, e.g. between two printing stations
- B41F23/045—Drying sheets, e.g. between two printing stations by radiation
- B41F23/0453—Drying sheets, e.g. between two printing stations by radiation by ultraviolet dryers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/101—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening permanently, e.g. welding, gluing or riveting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/51—Cooling arrangements using condensation or evaporation of a fluid, e.g. heat pipes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/0275—Arrangements for coupling heat-pipes together or with other structures, e.g. with base blocks; Heat pipe cores
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F28F1/24—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely
- F28F1/32—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely the means having portions engaging further tubular elements
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- G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
- G21K5/00—Irradiation devices
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- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2029—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures
- H05K7/20336—Heat pipes, e.g. wicks or capillary pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/0233—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes the conduits having a particular shape, e.g. non-circular cross-section, annular
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
- H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
- H01L25/075—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00
- H01L25/0753—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00 the devices being arranged next to each other
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/64—Heat extraction or cooling elements
- H01L33/648—Heat extraction or cooling elements the elements comprising fluids, e.g. heat-pipes
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- Condensed Matter Physics & Semiconductors (AREA)
- Computer Hardware Design (AREA)
- High Energy & Nuclear Physics (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
- Led Device Packages (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
Description
図1に示すように、本実施形態の光照射装置10は、2つのLEDユニット100と、放熱装置200と、を備えている。
各LEDユニット100は、X軸方向及びY軸方向で規定される矩形板状の基板105と、基板105上に配置された複数のLED素子110と、を備えている。
図2、図3は、本実施形態の放熱装置200の構成を説明する図である。図2は、図1(b)のB−B断面図であり、図3(a)は、図1(b)のA−A断面図であり、図3(b)は、図3(a)のB部拡大図である。放熱装置200は、LEDユニット100の基板105の裏面(LED素子110が搭載される面と反対側の面)に密着するように配置され、各LED素子110で発生した熱を放熱する装置であり、ベイパーチャンバー201と、複数のヒートパイプ203と、複数の放熱フィン205とで構成されている。各LED素子110に駆動電流が流れ、各LED素子110から紫外光が出射されると、LED素子110の自己発熱により温度が上昇し、発光効率が著しく低下するといった問題が発生する。このため、本実施形態においては、基板105の裏面に密着するように放熱装置200を設け、LED素子110で発生する熱を、基板105を介して放熱装置200に伝導し、強制的に放熱している。
図5は、本実施形態の放熱装置200を備えた光照射装置10の冷却能力を説明する図であり、グレーの濃淡によって各構成要素(LEDユニット100、ヒートパイプ203、放熱フィン205等)の温度の高低(分布)を示している。図5(a)は本実施形態の光照射装置10のシミュレーション結果であり、図5(b)は本実施形態の変形例に係る光照射装置11のシミュレーション結果である。また、図5(b)、(c)は比較例に係る光照射装置10X、10Yのシミュレーション結果である。
図5(b)の光照射装置11は、ヒートパイプ搭載領域HWにおいて、各放熱フィン205が各ヒートパイプ203の第1直線部203aに部分的に接合している(つまり、隙間Sがない)点で本実施形態と異なっている。より具体的には、光照射装置11においては、各放熱フィン205が各ヒートパイプ203の第1直線部203aの円周の10%に相当する部分で接合しているものである。このような構成によれば、各放熱フィン205が、ベイパーチャンバー201の第2主面201bの縁部(つまり、ヒートパイプ搭載領域HWの外側)だけではなく、ヒートパイプ搭載領域HWにおいても固定されるので、本実施形態の光照射装置10よりも機械的強度がさらに高くなる。
図5(c)の光照射装置10Xは、放熱フィン205Xに両端部Eが形成されていない点で本実施形態と異なり、図5(d)の光照射装置10Yは、放熱フィン205Yが各ヒートパイプ203の第1直線部203aと接合されている(つまり、ヒートパイプ搭載領域HWにおいて各ヒートパイプ203の第1直線部203a及びベイパーチャンバー201と完全に接合されている)点で本実施形態と異なっている。
11 :光照射装置(変形例)
10X :光照射装置(比較例)
10Y :光照射装置(比較例)
100 :LEDユニット
105 :基板
110 :LED素子
200 :放熱装置
201 :ベイパーチャンバー
201a :第1主面
201b :第2主面
203 :ヒートパイプ
203a :第1直線部
203b :第2直線部
203c :接続部
203ca :湾曲部
203cb :湾曲部
205 :放熱フィン
205X :放熱フィン(比較例)
205Y :放熱フィン(比較例)
205a :貫通孔
205b :切欠部
E :両端部
P :中空部
S :隙間
VC :有効エリア
HW :ヒートパイプ搭載領域
LW :LED搭載領域
Claims (9)
- 熱源に密着して配置され、前記熱源の熱を空気中に放熱する放熱装置であって、
板状の形状を呈し、第1主面側が前記熱源に密着するように配置される支持部材と、
前記支持部材の前記第1主面と対向する第2主面に熱的に接合し、前記熱源からの熱を輸送するヒートパイプと、
前記第2主面に面する空間内に配置され、前記ヒートパイプと熱的に接合し、前記ヒートパイプによって輸送された熱を放熱する複数の放熱フィンと、
を備え、
前記ヒートパイプは、
前記支持部材と熱的に接合される第1直線部と、
前記複数の放熱フィンと熱的に接合される第2直線部と、
前記第1直線部と前記第2直線部が連続するように、前記第1直線部の一端部と前記第2直線部の一端部とを接続する接続部と、
を有し、
前記各放熱フィンは、前記ヒートパイプが搭載される領域以外で前記第2主面と直接的に接合している
ことを特徴とする放熱装置。 - 前記支持部材が、前記熱源と熱的に接合するベイパーチャンバーであることを特徴とする請求項1に記載の放熱装置。
- 前記各放熱フィンが、前記第1直線部が延びる方向と略直交する方向の前記第2主面の縁部において前記第2主面と直接的に接合していることを特徴とする請求項1又は請求項2に記載の放熱装置。
- 前記各放熱フィンが、前記ヒートパイプが搭載される領域において、前記第1直線部に部分的に接合していることを特徴とする請求項1から請求項3のいずれか一項に記載の放熱装置。
- 前記ヒートパイプを複数備え、
前記各ヒートパイプの前記第1直線部は、前記第1直線部が延びる方向と略直交する方向に所定の間隔をおいて配置されている
ことを特徴とする請求項1から請求項4のいずれか一項に記載の放熱装置。 - 前記第1直線部が延びる方向から見たときに、前記各ヒートパイプの前記第2直線部の位置が、前記第2主面に略垂直な方向及び略平行な方向において異なることを特徴とする請求項5に記載の放熱装置。
- 前記放熱装置を前記第1直線部が延びる方向に複数並べたときに、前記第1主面が連続するように連結可能であることを特徴とする請求項1から請求項6のいずれか一項に記載の放熱装置。
- 請求項1から請求項7のいずれか一項に記載の放熱装置と、
前記第1主面と密着するように配置される基板と、
前記基板の表面上に配置される複数のLED素子と、
を備えることを特徴とする光照射装置。 - 前記LED素子が、紫外線硬化樹脂に作用する波長の光を発することを特徴とする請求項8に記載の光照射装置。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019011755A JP7012674B2 (ja) | 2019-01-27 | 2019-01-27 | 放熱装置、及びそれを備える光照射装置 |
KR1020190172874A KR20200093431A (ko) | 2019-01-27 | 2019-12-23 | 방열장치, 및 그것을 구비한 광 조사장치 |
CN202010068256.1A CN111486424B (zh) | 2019-01-27 | 2020-01-21 | 散热装置及具备该散热装置的光照射装置 |
CA3069550A CA3069550A1 (en) | 2019-01-27 | 2020-01-22 | Heat dissipation device and light irradiation device having same |
TW109102554A TWI827794B (zh) | 2019-01-27 | 2020-01-22 | 散熱裝置及具有散熱裝置的光照射裝置 |
DE102020101541.0A DE102020101541A1 (de) | 2019-01-27 | 2020-01-23 | Wärmeableitvorrichtung und lichtbestrahlungsvorrichtung mit derselben |
US16/752,540 US20200240716A1 (en) | 2019-01-27 | 2020-01-24 | Heat dissipation device and light irradiation device having same |
Applications Claiming Priority (1)
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WO2023223648A1 (ja) * | 2022-05-16 | 2023-11-23 | 株式会社日立ハイテク | Led光源装置、及び生化学分析装置 |
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JP7396233B2 (ja) * | 2020-08-28 | 2023-12-12 | ウシオ電機株式会社 | 光源ユニット及び光照射装置 |
CN116197095B (zh) * | 2022-12-01 | 2023-07-28 | 苏州汇影光学技术有限公司 | 一种便于快速散热的紫外线固化光源 |
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TW201522894A (zh) * | 2013-12-13 | 2015-06-16 | Inventec Corp | 散熱裝置 |
JP6108565B2 (ja) * | 2014-06-30 | 2017-04-05 | Hoya Candeo Optronics株式会社 | 光照射装置 |
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2019
- 2019-01-27 JP JP2019011755A patent/JP7012674B2/ja active Active
- 2019-12-23 KR KR1020190172874A patent/KR20200093431A/ko unknown
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- 2020-01-22 CA CA3069550A patent/CA3069550A1/en active Pending
- 2020-01-22 TW TW109102554A patent/TWI827794B/zh active
- 2020-01-23 DE DE102020101541.0A patent/DE102020101541A1/de not_active Withdrawn
- 2020-01-24 US US16/752,540 patent/US20200240716A1/en active Pending
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US20080043437A1 (en) * | 2006-08-17 | 2008-02-21 | Ati Technologies Inc. | Three-Dimensional Thermal Spreading in an Air-Cooled Thermal Device |
US20080277107A1 (en) * | 2007-05-07 | 2008-11-13 | Inventec Corporation | Heat dissipating base structure |
US20090040760A1 (en) * | 2007-08-10 | 2009-02-12 | Kuo-Hsin Chen | Illumination device having unidirectional heat-dissipating route |
JP2011138974A (ja) * | 2009-12-29 | 2011-07-14 | Fujitsu Ltd | ヒートシンク |
JP2013077575A (ja) * | 2011-09-26 | 2013-04-25 | Posco Led Co Ltd | 光半導体照明装置 |
JP2017187269A (ja) * | 2016-03-31 | 2017-10-12 | Hoya Candeo Optronics株式会社 | 放熱装置及びそれを備える光照射装置 |
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WO2023223648A1 (ja) * | 2022-05-16 | 2023-11-23 | 株式会社日立ハイテク | Led光源装置、及び生化学分析装置 |
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JP7012674B2 (ja) | 2022-02-14 |
CN111486424B (zh) | 2024-06-11 |
CN111486424A (zh) | 2020-08-04 |
TWI827794B (zh) | 2024-01-01 |
TW202028684A (zh) | 2020-08-01 |
US20200240716A1 (en) | 2020-07-30 |
DE102020101541A1 (de) | 2020-07-30 |
CA3069550A1 (en) | 2020-07-27 |
KR20200093431A (ko) | 2020-08-05 |
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