JP4182144B2 - チップ内蔵基板の製造方法 - Google Patents
チップ内蔵基板の製造方法 Download PDFInfo
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- JP4182144B2 JP4182144B2 JP2008031917A JP2008031917A JP4182144B2 JP 4182144 B2 JP4182144 B2 JP 4182144B2 JP 2008031917 A JP2008031917 A JP 2008031917A JP 2008031917 A JP2008031917 A JP 2008031917A JP 4182144 B2 JP4182144 B2 JP 4182144B2
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Description
300,300A,300B,300C,300D,300E,300F,300G,300H,300I,300J,300K,300L,300M,300N チップ内蔵基板
101,201,301 コア基板
102,202,302 ビアプラグ
103A,103B,203A,203B,303A,303B パターン配線
104A,104B,204A,204B,304A,304B ソルダーレジスト層
105A,105B,205A,205B,305A,305B 接続層
106 開口部
107,407,409,507,509 接続層
108,411,511 バンプ
109,410A,510A アンダーフィル
110,307,309,410,510 半導体チップ
111,206,207,313,413,510 半田ボール
401,501 支持基板
402,502 接続層
403,503 絶縁層
405,408,505,508 配線部
405a,408a,505a,508a ビアプラグ
405b,408b,505b,508b パターン配線
412,512 ソルダーレジスト層
SP1,SP2 スペーサ
PS1,PS2,PS3,PS4 ポスト
AD1,AD2,AD3 接続層
BP1,BP2,BP3 バンプ
Claims (5)
- 第1の配線が形成された第1の基板に半導体チップを実装する半導体チップ実装工程と、
前記第1の基板に実装された前記半導体チップと第2の配線が形成された第2の基板とが所定間隔を空けて対向するように、前記第1の基板と前記第2の基板とを向かい合わせた状態で開口部を有した金型に設置する設置工程と、
前記開口部から供給されたモールド樹脂を前記第1の基板と前記第2の基板との間に導入し、前記モールド樹脂を硬化させることにより前記モールド樹脂で前記半導体チップを封止し、更に前記第1の基板と前記第2の基板との間を封止するモールド樹脂形成工程と、を含み、
前記設置工程の前に、金属ボールの表面を半田層で被覆してなる電気接続部材により、前記第1の配線と前記第2の配線とを電気的に接続すると共に、前記金属ボールにより、前記第1の基板と前記第2の基板との間隔が所定の値となるように、前記第1の基板と前記第2の基板とを保持することを特徴とするチップ内蔵基板の製造方法。 - 前記設置工程では、複数の独立した加圧手段により前記金型を加圧することを特徴とする請求項1記載のチップ内蔵基板の製造方法。
- 前記第1の配線と前記第2の配線との接続部は、平面視した場合に互い違いになるように配列されることを特徴とする請求項1項記載のチップ内蔵基板の製造方法。
- 前記第2の基板上に別の半導体チップが実装された第3の基板がさらに積層されることを特徴とする請求項1記載のチップ内蔵基板の製造方法。
- 前記第2の基板は、n個(n≧2)の前記チップ内蔵基板を形成可能な大きさとされており、前記第1の基板は、n×m個(m≧2)の前記チップ内蔵基板を形成可能な大きさとされており、
前記第1の基板上に複数の前記第2の基板を積層して電気的に接続し、前記モールド樹脂形成工程後に、前記第1の基板と前記第2の基板とを切断して前記チップ内蔵基板を形成することを特徴とする請求項1記載のチップ内蔵基板の製造方法。
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