JP2010251367A - 半導体装置及びその製造方法、並びに電子装置 - Google Patents
半導体装置及びその製造方法、並びに電子装置 Download PDFInfo
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- JP2010251367A JP2010251367A JP2009096024A JP2009096024A JP2010251367A JP 2010251367 A JP2010251367 A JP 2010251367A JP 2009096024 A JP2009096024 A JP 2009096024A JP 2009096024 A JP2009096024 A JP 2009096024A JP 2010251367 A JP2010251367 A JP 2010251367A
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Abstract
【解決手段】電子部品17,18が収容された電子部品収容部34の周囲に位置する部分の補強板本体33を貫通する貫通孔35,36を形成し、貫通孔35,36に電子部品17,18及び多層配線構造体27と電気的に接続される貫通電極21,22を設ける。
【選択図】図2
Description
図2は、本発明の実施の形態に係る電子装置の断面図である。
補強板本体33は、剛性の高い第1の金属材料により構成されている。具体的には、第1の金属材料としては、例えば、Cu、42アロイ等を用いることができる。補強板本体33は、電子部品17,18と略等しい厚さとされている。補強板本体33の厚さは、例えば、200μmとすることができる。
11,12 半導体装置
13 内部接続端子
15 補強板
17,18,92 電子部品
17A,18A 電極パッド形成面
17B,18B 背面
21,22 貫通電極
21A,22A 第1の接続面
21B,22B 第2の接続面
24 第1の封止樹脂
24A,24B,25A,25B,33B,61A,62A,63A,92A,112A,115A,116A 面
25 第2の封止樹脂
27 多層配線構造体
28 外部接続端子
33 補強板本体
33A 多層配線構造体形成面
34 電子部品収容部
35,36 貫通孔
41〜44,106 電極パッド
41A,42A,43A,44A,47A,48A,49A 接続面
46 積層体
47〜49 外部接続用パッド
51〜53 配線パターン
55,102,103 ソルダーレジスト層
55A,55B,55C,102A,103A,121〜126 開口部
61〜63 絶縁層
65,66,68,71,73,74,76,78,81,82,84,86 ビア
67,69,75,77,83,85 配線
91 配線基板
93 モールド樹脂
94 金属ワイヤ
96 基板本体
96A,112A 上面
96B 下面
97,98 パッド
111 貫通電極形成用支持部材
112 支持部
113 突出部
113A 上端面
115 支持体
116 接着層
Claims (5)
- 接続面を有する電極パッド、該電極パッドが形成される電極パッド形成面、及び該電極パッド形成面の反対側に位置する背面を有する電子部品と、
前記電子部品と略等しい厚さとされ、多層配線構造体形成面を有する補強板本体と、該補強板本体を貫通すると共に、前記多層配線構造体形成面に対して前記電極パッドの接続面が略面一となるように前記電子部品を収容する電子部品収容部と、該電子部品収容部の周囲に位置する部分の前記補強板本体を貫通する貫通孔とを有する補強板と、
前記貫通孔との間に隙間を介在させた状態で配置され、前記多層配線構造体形成面及び前記接続面に対して略面一とされた第1の接続面と、該第1の接続面の反対側に配置された第2の接続面とを有する貫通電極と、
絶縁性を有し、前記第1及び第2の接続面を露出させた状態で前記貫通孔と前記貫通電極との隙間を充填すると共に、前記多層配線構造体形成面、前記接続面、及び前記第1の接続面に対して略面一とされた第1の面を有する第1の封止樹脂と、
前記電極パッドの接続面を露出した状態で、前記電子部品収容部に収容された前記電子部品の側面を封止すると共に、前記多層配線構造体形成面及び前記接続面に対して略面一とされた第1の面を有する第2の封止樹脂と、
同一平面上に配置された前記多層配線構造体形成面、前記接続面、前記第1の封止樹脂の第1の面、前記第1の接続面、及び第2の封止樹脂の第1の面に設けられ、複数の絶縁層が積層された構成とされた積層体と、前記多層配線構造体形成面と接触する面とは反対側に位置する前記積層体の面に設けられた外部接続用パッドと、前記積層体に内設され、前記電極パッドと直接接続されると共に、前記貫通電極の第1の接続面及び前記外部接続用パッドと電気的に接続された配線パターンとを有する多層配線構造体と、を備えたことを特徴とする半導体装置。 - 前記電子部品の背面は、前記第2の封止樹脂から露出されており、
前記電子部品の背面、前記多層配線構造体形成面の反対側に位置する前記補強板本体の面、前記貫通電極の第2の接続面、前記背面側に位置する前記第1の封止樹脂の面、及び前記第2の接続面側に位置する前記第2の封止樹脂の面を同一平面上に配置したことを特徴とする請求項1記載の半導体装置。 - 接続面を有する電極パッド、該電極パッドが形成される電極パッド形成面、及び該電極パッド形成面の反対側に位置する背面を有する電子部品を準備する電子部品準備工程と、
板状とされており、前記電子部品と略等しい厚さとされ、多層配線構造体形成面を有する補強板本体を準備し、その後、前記補強板本体に、該補強板本体を貫通すると共に、前記電子部品を収容可能な大きさとされた電子部品収容部と、該電子部品収容部の周囲に位置する部分の前記補強板本体を貫通する貫通孔とを形成することにより、前記補強板本体、前記電子部品収容部、及び前記貫通孔を備えた補強板を形成する補強板形成工程と、
板状とされた支持部と、導電材料により構成され、前記貫通孔と対向する部分の前記支持部の第1の面から突出し、突出した端部に平坦な上端面を有し、高さが前記補強板本体の厚さの値と略等しく、前記貫通孔よりも小さい直径とされた突出部と、を備えた貫通電極形成用支持部材を形成する貫通電極形成用支持部材形成工程と、
前記貫通孔と前記突出部の周囲との間に隙間が形成されるように、前記貫通孔に前記突出部を挿入して、前記貫通電極形成用支持部材上に前記補強板を載置する補強板載置工程と、
前記突出部の上端面を露出した状態で、前記貫通孔と前記突出部の周囲との隙間を絶縁樹脂で充填することで、前記多層配線構造体形成面に対して略面一とされた第1の面を有する第1の封止樹脂を形成する第1の封止樹脂形成工程と、
前記突出部の下端面が前記第1の封止樹脂の第1の面に対して略面一となるように、前記支持部を除去することにより、前記貫通孔に前記突出部を母材とする貫通電極を形成する貫通電極形成工程と、
板状とされた支持体の面に接着層を形成する接着層形成工程と、
前記支持体の面と接触する第1の面とは反対側に位置する前記接着層の第2の面と前記貫通電極の下端面、前記多層配線構造体形成面、及び前記第1の封止樹脂の第1の面とが接触するように、前記接着層を介して、前記支持体に前記貫通電極及び前記第1の封止樹脂が形成された前記補強板を接着する補強板接着工程と、
前記電子部品収容部により露出された部分の前記接着層の第2の面と前記電極パッドの接続面とが接触するように前記電子部品を接着させることで、前記電子部品収容部に前記電子部品を収容する電子部品収容工程と、
前記電子部品が収容された前記電子部品収容部に、前記電子部品の側面を封止すると共に、前記多層配線構造体形成面に対して略面一とされた第1の面を有する第2の封止樹脂を形成する第2の封止樹脂形成工程と、
前記第2の封止樹脂形成工程後に、前記支持体及び前記接着層を除去する支持体及び接着層除去工程と、
前記支持体及び接着層除去工程後に、同一平面上に配置された前記多層配線構造体形成面、前記電極パッドの接続面、前記第1の封止樹脂の第1の面、前記貫通電極の下端面、及び前記第2の封止樹脂の第1の面に、複数の絶縁層が積層された構成とされた積層体と、前記多層配線構造体形成面と接触する面とは反対側に位置する前記積層体の面に設けられた外部接続用パッドと、前記積層体に内設され、前記電極パッドと直接接続されると共に、前記貫通電極の下端面及び前記外部接続用パッドと電気的に接続された配線パターンとを有する多層配線構造体を形成する多層配線構造体形成工程と、を含むことを特徴とする半導体装置の製造方法。 - 前記補強板本体は、第1の金属材料により構成されており、
前記貫通電極は、前記第1の金属材料とは異なる第2の金属材料により構成されており、
前記貫通電極形成工程では、エッチングにより、前記支持部を除去することを特徴とする請求項3記載の半導体装置の製造方法。 - 請求項1または2記載の半導体装置と、
内部接続端子を介して、前記半導体装置と電気的に接続される他の半導体装置と、を備えたことを特徴とする電子装置。
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