JP4294722B2 - 接続構造体及びその製造方法 - Google Patents
接続構造体及びその製造方法 Download PDFInfo
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- JP4294722B2 JP4294722B2 JP2008513152A JP2008513152A JP4294722B2 JP 4294722 B2 JP4294722 B2 JP 4294722B2 JP 2008513152 A JP2008513152 A JP 2008513152A JP 2008513152 A JP2008513152 A JP 2008513152A JP 4294722 B2 JP4294722 B2 JP 4294722B2
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/321—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by conductive adhesives
- H05K3/323—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by conductive adhesives by applying an anisotropic conductive adhesive layer over an array of pads
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L24/10—Bump connectors ; Manufacturing methods related thereto
- H01L24/11—Manufacturing methods
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- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L24/10—Bump connectors ; Manufacturing methods related thereto
- H01L24/12—Structure, shape, material or disposition of the bump connectors prior to the connecting process
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- H—ELECTRICITY
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- H01L24/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L24/10—Bump connectors ; Manufacturing methods related thereto
- H01L24/15—Structure, shape, material or disposition of the bump connectors after the connecting process
- H01L24/16—Structure, shape, material or disposition of the bump connectors after the connecting process of an individual bump connector
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L24/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L24/28—Structure, shape, material or disposition of the layer connectors prior to the connecting process
- H01L24/29—Structure, shape, material or disposition of the layer connectors prior to the connecting process of an individual layer connector
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L24/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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- H01L24/80—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected
- H01L24/81—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected using a bump connector
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- H—ELECTRICITY
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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- H01L24/80—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected
- H01L24/83—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected using a layer connector
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- H—ELECTRICITY
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- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
- H05K3/341—Surface mounted components
- H05K3/3431—Leadless components
- H05K3/3436—Leadless components having an array of bottom contacts, e.g. pad grid array or ball grid array components
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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
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/36—Assembling printed circuits with other printed circuits
- H05K3/361—Assembling flexible printed circuits with other printed circuits
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/36—Assembling printed circuits with other printed circuits
- H05K3/361—Assembling flexible printed circuits with other printed circuits
- H05K3/363—Assembling flexible printed circuits with other printed circuits by soldering
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/10—Bump connectors; Manufacturing methods related thereto
- H01L2224/12—Structure, shape, material or disposition of the bump connectors prior to the connecting process
- H01L2224/13—Structure, shape, material or disposition of the bump connectors prior to the connecting process of an individual bump connector
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- H—ELECTRICITY
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- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/10—Bump connectors; Manufacturing methods related thereto
- H01L2224/15—Structure, shape, material or disposition of the bump connectors after the connecting process
- H01L2224/16—Structure, shape, material or disposition of the bump connectors after the connecting process of an individual bump connector
- H01L2224/161—Disposition
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Description
(1)複数の接続端子を有する配線パターンが形成された第1の板状体と、
前記接続端子に対向して配置される少なくとも2つ以上の接続端子を有する第2の板状体とを備えた接続構造体であって、
前記第1の板状体並びに第2の板状体の前記接続端子は、それぞれ前記第1の板状体面又は第2の板状体面上に凸となる形で形成されている接続端子であり、
導電性粒子が前記対向する前記第1の板状体の接続端子と前記第2の板状体の接続端子の側面の少なくとも一部を覆うよう集積されており前記対向する接続端子同士が前記導電性粒子により電気的に接続されていて、更に
前記第1の板状体と前記第2の板状体の接続端子の前記対向する表面間の少なくとも1部に導電性粒子が介在していて、
前記第1の板状体の接続端子と前記第2の板状体の接続端子の対向する表面間に介在している前記導電性粒子が、前記第1の板状体の接続端子と前記第2の板状体の接続端子の一部に埋まり込んでおり、
前記第1の板状体と前記第2の板状体との間に、更に導電性粒子を含まない樹脂組成物が充填されている接続構造体である。
前記工程(v)において、前記対向する前記第1の板状体の接続端子と前記第2の板状体の接続端子との間に挟まれた前記導電性粒子を、前記第1の板状体の接続端子と前記第2の板状体の接続端子の一部に埋まり込ませること
からなる接続構造体の製造方法である。
図1および図2を参照しながら、本実施形態1における実装体10及びその実装方法について説明する。
次に、図4および図5および図6を参照しながら、本発明の接続構造体及びその製造方法の一実施形態として、本実施形態2における実装体12およびその実装方法について説明する。なお、本実施形態2において、採用した各個々の構成要件について、本実施形態1で説明したような構成要件を採用した場合には、本実施形態1においてそれぞれ対応する各個々の構成要件においては、本実施形態1で説明したのと各個々の構成要件と同様な効果を得ることができる。従って、これらの各個々の構成要件については、本実施形態1と同様の場合には、重複詳細説明を省略している場合がある。
11 実装体
12 実装体
13 実装体
14 実装体
15 実装体
16 実装体
17 実装体
101 第1の板状体
102 接続端子
103 第2の板状体
104 電極端子
105 導電性粒子
106 樹脂組成物
107 気泡
108 接続端子と電極端子の側面に集積した導電性粒子
109 硬化した樹脂組成物
110 溶融・固化した導電性物質
111 接続端子と電極端子の表面間に挟まれた導電性粒子
112 対流添加剤
Claims (31)
- 複数の接続端子を有する配線パターンが形成された第1の板状体と、
前記接続端子に対向して配置される少なくとも2つ以上の接続端子を有する第2の板状体とを備えた接続構造体であって、
前記第1の板状体並びに第2の板状体の前記接続端子は、それぞれ前記第1の板状体面又は第2の板状体面上に凸となる形で形成されている接続端子であり、
導電性粒子が前記対向する前記第1の板状体の接続端子と前記第2の板状体の接続端子の側面の少なくとも一部を覆うよう集積されており前記対向する接続端子同士が前記導電性粒子により電気的に接続されていて、更に
前記第1の板状体と前記第2の板状体の接続端子の前記対向する表面間の少なくとも1部に導電性粒子が介在していて、
前記第1の板状体の接続端子と前記第2の板状体の接続端子の対向する表面間に介在している前記導電性粒子が、前記第1の板状体の接続端子と前記第2の板状体の接続端子の一部に埋まり込んでおり、
前記第1の板状体と前記第2の板状体との間に、更に導電性粒子を含まない樹脂組成物が充填されている接続構造体。 - 前記対向する前記第1の板状体の接続端子と前記第2の板状体の接続端子の側面の少なくとも一部を覆うよう集積されている前記導電性粒子が粉体状の導電性粒子からなり、前記粉体状の導電性粒子が互いに接触することで前記対向する前記接続端子同士が電気的に接続されている請求項1に記載の接続構造体。
- 前記対向する前記第1の板状体の接続端子と前記第2の板状体の接続端子の側面の少なくとも一部を覆うよう集積されている前記導電性粒子が、溶融し固化されて接続体を形成しており、前記接続体によって前記対向する接続端子同士が電気的に接続されている請求項1に記載の接続構造体。
- 前記対向する前記第1の板状体の接続端子と前記第2の板状体の接続端子の表面間に介在した前記導電性粒子の少なくとも一部が溶融し固化されて、前記第1の板状体の接続端子表面と前記第2の板状体の接続端子表面の少なくとも一部に濡れている請求項1から3のいずれか1項に記載の接続構造体。
- 前記対向する前記第1の板状体の接続端子と前記第2の板状体の接続端子の側面が全て前記導電性粒子で覆われている請求項1又は2のいずれか1項に記載の接続構造体。
- 前記対向する前記第1の板状体の接続端子と前記第2の板状体の接続端子の側面が全て前記導電性粒子の溶融し固化された接続体で覆われている請求項1に記載の接続構造体。
- 前記第1の板状体は、無機フィラーと熱硬化性樹脂とを含むものからなる板状体である請求項1から6のいずれか1項に記載の接続構造体。
- 前記第1の板状体は、ガラス繊維の織布、ガラス繊維の不織布、耐熱有機繊維の織布および耐熱有機繊維の不織布から選択された少なくとも一つの補強材とその補強材に含浸された熱硬化性樹脂組成物とを含むものからなる板状体である請求項1から6のいずれか1項に記載の接続構造体。
- 前記第1の板状体が、フィルムと配線パターンからなるフレキシブル基板を含む板状体である請求項1から6のいずれか1項に記載の接続構造体。
- 前記第2の板状体が、能動素子である請求項1から9のいずれか1項に記載の接続構造体。
- 前記第2の板状体が、半導体チップである請求項1から9のいずれか1項に記載の接続構造体。
- 前記第2の板状体が、ガラス繊維の織布、ガラス繊維の不織布、耐熱有機繊維の織布および耐熱有機繊維の不織布から選択された少なくとも一つの補強材とその補強材に含浸された熱硬化性樹脂組成物とを含むものからなる板状体、又は、無機フィラーと熱硬化性樹脂とを含むものからなる板状体である請求項1から9のいずれか1項に記載の接続構造体。
- 前記第2の板状体が、フィルムと配線パターンからなるフレキシブル基板を含む板状体である請求項1から9のいずれか1項に記載の接続構造体。
- 前記導電性粒子が、単一組成の金属からなる金属粒子、はんだ粒子、はんだめっき又は金属めっきされた金属粒子、及びはんだめっき又は金属めっきされた樹脂粒子の少なくともいずれかである請求項1〜2のいずれか1項に記載の接続構造体。
- 前記導電性粒子が、2種類の導電性粒子から成る請求項1から14のいずれか1項に記載の接続構造体。
- 板状体面上に凸の形状で形成されている複数の接続端子を有する配線パターンが形成された第1の板状体と対向させて、板状体面上に凸の形状で形成されている少なくとも2つ以上の接続端子を有する第2の板状体を配置し、前記第1の板状体の接続端子と前記第2の板状体の接続端子とを電気的に接続する接続構造体の製造方法において、
(i)前記第1の板状体の前記接続端子と前記第2の板状体の前記接続端子とを対向するように位置合せし、前記第1の板状体の接続端子と前記第2の板状体の接続端子の対向する表面の少なくとも一部を互いに接触させる工程と、
(ii)前記第1の板状体と前記第2の板状体の隙間に導電性粒子と対流添加剤とを含む樹脂組成物を供給する工程と、
(iii)前記樹脂組成物を加熱する工程とを含み、
前記加熱工程(iii)において、主に前記対流添加剤から発生する気泡により前記樹脂組成物が対流を生じることで、隣接接続端子間に介在する前記樹脂組成物中の前記導電性粒子の少なくとも一部が前記対向する接続端子同士の側面の少なくとも一部を覆うように自己集合的に集積することによって、前記対向する前記第1の板状体の接続端子と前記第2の板状体の接続端子とを電気的に接続することからなる接続構造体の製造方法。 - 前記工程(iii)において、前記対向する前記第1の板状体の接続端子と前記第2の板状体の接続端子の側面の少なくとも一部を覆うように集積させた前記導電性粒子を更に溶融し固化して接続体を形成させ、前記接続体によって前記第1の板状体の接続端子と前記第2の板状体の接続端子とを電気的に接続することを含む請求項16に記載の接続構造体の製造方法。
- 前記工程(iii)において、前記対向する前記第1の板状体の接続端子と前記第2の板状体の接続端子の側面の少なくとも一部を覆うように集積させた前記導電性粒子が粉体状の導電性粒子からなり、前記粉体状導電性粒子が互いに接触することによって、前記第1の板状体の接続端子と前記第2の板状体の接続端子とを電気的に接続している請求項16に記載の接続構造体の製造方法。
- 板状体面上に凸の形状で形成されている複数の接続端子を有する配線パターンが形成された第1の板状体と対向させて、板状体面上に凸の形状で形成されている少なくとも2つ以上の接続端子を有する第2の板状体を配置し、前記第1の板状体の接続端子と前記第2の板状体の接続端子を電気的に接続する接続構造体の製造方法において、
(iv)前記第1の板状体上に導電性粒子と対流添加剤とを含む樹脂組成物を供給する工程と、
(v)前記第1の板状体の前記接続端子と前記第2の板状体の前記接続端子とを位置合せして、前記第1の板状体の接続端子と前記第2の板状体の接続端子との間に前記樹脂組成物を挟んで加圧し電気的接続を行う工程と、
(vi)前記樹脂組成物を加熱する工程とを含み、
前記加熱工程(vi)において、主に前記対流添加剤から発生する気泡により前記樹脂組成物が対流を生じることで、隣接接続端子間に介在する前記樹脂組成物中の前記導電性粒子の少なくとも一部が前記対向する接続端子同士の側面の少なくとも一部を覆うように自己集合的に集積することによって、前記対向する前記第1の板状体の接続端子と前記第2の板状体の接続端子とを電気的に接続すること並びに
前記工程(v)において、前記対向する前記第1の板状体の接続端子と前記第2の板状体の接続端子との間に挟まれた前記導電性粒子を、前記第1の板状体の接続端子と前記第2の板状体の接続端子の一部に埋まり込ませること
からなる接続構造体の製造方法。 - 前記工程(vi)において、前記対向する前記第1の板状体の接続端子と前記第2の板状体の接続端子との間に挟まれた前記導電性粒子を溶融し固化させて、前記第1の板状体の接続端子表面と前記第2の板状体の接続端子の表面間を前記導電性粒子で濡れさせる請求項19に記載の接続構造体の製造方法。
- 前記工程(vi)において、前記対向する前記第1の板状体の接続端子と前記第2の板状体の接続端子との間に挟まれた前記導電性粒子を溶融し固化させて、前記第1の板状体の接続端子表面と前記第2の板状体の接続端子の表面間を前記導電性粒子で濡れさせるとともに、
前記対向する前記第1の板状体の接続端子と前記第2の板状体の接続端子の側面の少なくとも一部を覆うように集積させた前記導電性粒子を溶融し固化させて接続体を形成し、前記接続体によって前記第1の板状体の接続端子と前記第2の板状体の接続端子とを電気的に接続させる請求項19に記載の接続構造体の製造方法。 - 前記第1の板状体が、ガラス繊維の織布、ガラス繊維の不織布、耐熱有機繊維の織布および耐熱有機繊維の不織布から選択された少なくとも一つの補強材とその補強材に含浸された熱硬化性樹脂組成物とを含む板状体、又は、無機フィラーと熱硬化性樹脂とを含むものからなる板状体である請求項16から21のいずれか1項に記載の接続構造体の製造方法。
- 前記第1の板状体が、フィルムと配線パターンからなるフレキシブル基板を含む板状体である請求項16から21のいずれか1項に記載の接続構造体の製造方法。
- 前記第2の板状体が、能動素子である請求項16から23のいずれか1項に記載の接続構造体の製造方法。
- 前記第2の板状体が、半導体チップである請求項16から23のいずれか1項に記載の接続構造体の製造方法。
- 前記第2の板状体が、ガラス繊維の織布、ガラス繊維の不織布、耐熱有機繊維の織布および耐熱有機繊維の不織布から選択された少なくとも一つの補強材とその補強材に含浸された熱硬化性樹脂組成物とを含む板状体、又は、無機フィラーと熱硬化性樹脂とを含むものからなる板状体である請求項16から23のいずれか1項に記載の接続構造体の製造方法。
- 前記第2の板状体が、フィルムと配線パターンからなるフレキシブル基板を含む板状体である請求項16から23のいずれか1項に記載の接続構造体の製造方法。
- 前記対流添加剤は、前記工程(iii)又は前記工程(vi)において前記樹脂組成物が加熱されたときに気泡を発生して前記樹脂組成物に対流を起こさせる添加剤である請求項16から27のいずれか1項に記載の接続構造体の製造方法。
- 前記導電性粒子は、単一組成の金属からなる金属粒子、はんだ粒子、はんだめっき又は金属めっきされた金属粒子、及びはんだめっき又は金属めっきされた樹脂粒子の少なくともいずれかである請求項16から28のいずれか1項に記載の接続構造体の製造方法。
- 前記工程(i)の前に、予め前記第1の板状体の接続端子と前記第2の板状体の接続端子のいずれかの対向面に、第二の導電性粒子を供給する工程をさらに含む請求項16から18のいずれか1項に記載の接続構造体の製造方法。
- 前記第二の前記導電性粒子は、前記工程(ii)で使用した導電性粒子と融点が異なる導電性粒子である請求項30に記載の接続構造体の製造方法。
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- 2007-04-18 CN CN2007800151531A patent/CN101432861B/zh not_active Expired - Fee Related
- 2007-04-18 JP JP2008513152A patent/JP4294722B2/ja not_active Expired - Fee Related
- 2007-04-18 US US12/298,464 patent/US8097958B2/en not_active Expired - Fee Related
- 2007-04-18 WO PCT/JP2007/058418 patent/WO2007125789A1/ja active Application Filing
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WO2007125789A1 (ja) | 2007-11-08 |
CN101432861B (zh) | 2011-02-09 |
JPWO2007125789A1 (ja) | 2009-09-10 |
US8097958B2 (en) | 2012-01-17 |
CN101432861A (zh) | 2009-05-13 |
US20090102064A1 (en) | 2009-04-23 |
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