JP5297139B2 - 配線基板及びその製造方法 - Google Patents
配線基板及びその製造方法 Download PDFInfo
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- JP5297139B2 JP5297139B2 JP2008262322A JP2008262322A JP5297139B2 JP 5297139 B2 JP5297139 B2 JP 5297139B2 JP 2008262322 A JP2008262322 A JP 2008262322A JP 2008262322 A JP2008262322 A JP 2008262322A JP 5297139 B2 JP5297139 B2 JP 5297139B2
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Description
前記第1の樹脂形成工程と前記切断工程との間に、前記切断領域及び該切断領域と隣接する部分の前記複数の配線形成領域に対応する部分の前記第2の絶縁樹脂層及び前記基板本体に、前記切断領域の幅よりも幅広形状とされた第2の溝を形成する第2の溝形成工程と、前記第2の溝を充填する第2の樹脂を形成する第2の樹脂形成工程と、を設け、前記切断工程では、前記切断領域に対応する部分の前記第1及び第2の樹脂及び前記基板本体を切断してもよい。
図3は、本発明の第1の実施の形態に係る半導体装置の断面図である。
図17は、本発明の第2の実施の形態に係る半導体装置の断面図である。図17において、第1の実施の形態の半導体装置10と同一構成部分には同一符号を付す。
図27は、本発明の第3の実施の形態に係る半導体装置の断面図である。図27において、第1の実施の形態の半導体装置10と同一構成部分には同一符号を付す。
11,76,86,101,116,121,126,131 配線基板
12,13 電子部品
15,16 外部接続端子
21,61 基板本体
21A,61A 上面
21B,61B 下面
21C,21D 外周側面
22 絶縁膜
23,24 貫通電極
26,27 第1の配線パターン
28 配線パターン
31,32 第2の配線パターン
35 第1の絶縁樹脂層
36 第2の絶縁樹脂層
35A,35B,36A,36B 開口部
38,77,88,117,133 切り欠き部
39,69,78,89,109,118,123,128,134,145 樹脂
39A,78A,89A,118A 側面
43,44 貫通孔
46,47 パッド
51,52 外部接続用パッド
54,55 アンダーフィル樹脂
64,106 ダイシングテープ
66,107 溝
67 ステンシルマスク
67A,143 貫通溝
141 支持体
A 配線基板形成領域
B 切断領域
C 中心線
D,E,F,J 幅
Claims (15)
- 基板本体と、
前記基板本体を貫通する貫通電極と、
前記基板本体の第1の面側に設けられ、前記貫通電極の一方の端部と電気的に接続されると共に、電子部品が実装されるパッドを有する第1の配線パターンと、
前記第1の面とは反対側に位置する前記基板本体の第2の面側に設けられ、前記貫通電極の他方の端部と電気的に接続される外部接続用パッドを有する第2の配線パターンと、
前記基板本体の前記第1の面側に、前記電子部品が実装されるパッドを露出する開口部を有すると共に、前記電子部品が実装されるパッド以外の部分の前記第1の配線パターンを覆う第1の絶縁樹脂層と、を備えた配線基板であって、
前記第1の配線パターンを囲むように、前記第1の面側に位置する前記配線基板の角部に形成され、前記第1の面側に位置する前記基板本体の第1の角部および前記第1の絶縁樹脂層を切り欠く第1の切り欠き部と、前記第1の切り欠き部を覆う第1の樹脂とを設け、
前記第1の樹脂は、前記第1の絶縁樹脂層の上部表面において暴露されており、
前記配線基板の電子部品が実装される側の面が、前記第1の樹脂から露出していることを特徴とする配線基板。 - 前記第1の樹脂が、前記第1の絶縁樹脂層の上面から突出していることを特徴とする請求項1に記載の配線基板。
- 前記第1の樹脂が、エポキシ樹脂、ポリイミド樹脂、シリコーン樹脂から選択された、いずれかの樹脂であることを特徴とする請求項1または2に記載の配線基板。
- 前記第2の配線パターンを囲むように、前記第2の面側に位置する前記配線基板の角部に形成され、前記第2の面側に位置する前記基板本体の第2の角部を切り欠く第2の切り欠き部と、前記第2の切り欠き部を覆う第2の樹脂とを設けたことを特徴とする請求項1ないし3のうち、いずれか1項記載の配線基板。
- 前記第1の切り欠き部と前記第2の切り欠き部との間に位置する部分の前記基板本体の外周側面に、第3の樹脂を設けたことを特徴とする請求項4記載の配線基板。
- 基板本体と、
前記基板本体を貫通する貫通電極と、
前記基板本体の第1の面側に設けられ、前記貫通電極の一方の端部と電気的に接続されると共に、電子部品が実装されるパッドを有する第1の配線パターンと、
前記第1の面とは反対側に位置する前記基板本体の第2の面側に設けられ、前記貫通電極の他方の端部と電気的に接続される外部接続用パッドを有する第2の配線パターンと、
前記基板本体の前記第1の面側に、前記電子部品が実装されるパッドを露出する開口部を有すると共に、前記電子部品が実装されるパッド以外の部分の前記第1の配線パターンを覆う第1の絶縁樹脂層と、を備えた配線基板であって、
前記配線基板の外周部に、前記第1及び第2の配線パターン及び前記貫通電極を囲むように形成され、前記配線基板の外周部に位置する部分の前記基板本体および前記第1の絶縁樹脂層を貫通する切り欠き部と、前記切り欠き部を覆う樹脂とを設け、
前記樹脂は、前記第1の絶縁樹脂層の上部表面において暴露されており、
前記配線基板の電子部品が実装される側の面が、前記樹脂から露出していることを特徴とする配線基板。 - 前記樹脂が、前記第1の絶縁樹脂層の上面から突出していることを特徴とする請求項6に記載の配線基板。
- 前記樹脂が、エポキシ樹脂、ポリイミド樹脂、シリコーン樹脂から選択された、いずれかの樹脂であることを特徴とする請求項6または7に記載の配線基板。
- 前記外部接続用パッドを露出する開口部を有すると共に、前記外部接続用パッド以外の部分の前記第2の配線パターンを覆う第2の絶縁樹脂層を設けたことを特徴とする請求項1ないし8のうち、いずれか1項記載の配線基板。
- 前記第1の絶縁樹脂層、および、第2の絶縁樹脂層がソルダーレジスト層であることを特徴とする請求項9記載の配線基板。
- 前記基板本体が、シリコン基板またはガラス基板からなることを特徴とする請求項1ないし10のうち、いずれか1項記載の配線基板。
- 複数の配線基板形成領域と、前記複数の配線基板形成領域を囲むように配置された切断領域とを有した基板本体を準備する基板本体準備工程と、
前記複数の配線基板形成領域に、前記基板本体を貫通する貫通電極と、前記貫通電極の一方の端部と電気的に接続されると共に、電子部品が実装されるパッドを有する第1の配線パターンと、前記貫通電極の他方の端部と電気的に接続される外部接続用パッドを有する第2の配線パターンと、を形成する貫通電極及び配線パターン形成工程と、
前記電子部品が実装されるパッドを露出する開口部を有すると共に、前記電子部品が実装されるパッド以外の部分の前記第1の配線パターンを覆う第1の絶縁樹脂層を形成する絶縁樹脂層形成工程と、
前記絶縁樹脂層形成工程後に、前記切断領域及び該切断領域と隣接する部分の前記複数の配線形成領域に対応する部分の前記第1の絶縁樹脂層及び前記基板本体に、前記切断領域の幅よりも幅広形状とされた第1の溝を形成する第1の溝形成工程と、
前記第1の溝を充填し、前記第1の絶縁樹脂層上部表面において暴露される第1の樹脂を形成する第1の樹脂形成工程と、
前記切断領域に対応する部分の前記基板本体、及び前記第1の溝に充填された前記第1の樹脂を切断して、前記複数の配線形成領域に形成された複数の前記配線基板を個片化する切断工程と、を含み、
前記配線基板の電子部品が実装される側の面が、前記第1の樹脂から露出されていることを特徴とする配線基板の製造方法。 - 前記絶縁樹脂層形成工程においてさらに、前記外部接続用パッドを露出する開口部を有すると共に、前記外部接続用パッド以外の部分の前記第2の配線パターンを覆う第2の絶縁樹脂層を形成し、
前記第1の樹脂形成工程と前記切断工程との間に、前記切断領域及び該切断領域と隣接する部分の前記複数の配線形成領域に対応する部分の前記第2の絶縁樹脂層及び前記基板本体に、前記切断領域の幅よりも幅広形状とされた第2の溝を形成する第2の溝形成工程と、
前記第2の溝を充填する第2の樹脂を形成する第2の樹脂形成工程と、を設け、
前記切断工程では、前記切断領域に対応する部分の前記第1及び第2の樹脂及び前記基板本体を切断することを特徴とする請求項12記載の配線基板の製造方法。 - 前記第2の溝形成工程では、前記第2の溝が前記第1の溝と接続されるように、前記第2の溝を形成することを特徴とする請求項13記載の配線基板の製造方法。
- 複数の配線基板形成領域と、前記複数の配線基板形成領域を囲むように配置された切断領域とを有した基板本体を準備する基板本体準備工程と、
前記複数の配線基板形成領域に、前記基板本体を貫通する貫通電極と、前記貫通電極の一方の端部と電気的に接続されると共に、電子部品が実装されるパッドを有する第1の配線パターンと、前記貫通電極の他方の端部と電気的に接続される外部接続用パッドを有する第2の配線パターンと、を形成するパターン形成工程と、
前記電子部品が実装されるパッドを露出する開口部を有すると共に、前記電子部品が実装されるパッド以外の部分の前記第1の配線パターンを覆う第1の絶縁樹脂層を形成する絶縁樹脂層形成工程と、
前記絶縁樹脂層形成工程後に、前記切断領域及び該切断領域と隣接する部分の前記複数の配線形成領域を貫通すると共に、前記切断領域の幅よりも幅広形状とされた貫通溝を形成する貫通溝形成工程と、
前記貫通溝を充填し、前記第1の絶縁樹脂層の上部表面において暴露される樹脂を形成する樹脂形成工程と、
前記切断領域に対応する部分の前記樹脂を切断して複数の前記配線基板を個片化する切断工程と、を含み、
前記配線基板の電子部品が実装される側の面が前記樹脂から露出されていることを特徴とする配線基板の製造方法。
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