JP4182140B2 - チップ内蔵基板 - Google Patents
チップ内蔵基板 Download PDFInfo
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- JP4182140B2 JP4182140B2 JP2007218182A JP2007218182A JP4182140B2 JP 4182140 B2 JP4182140 B2 JP 4182140B2 JP 2007218182 A JP2007218182 A JP 2007218182A JP 2007218182 A JP2007218182 A JP 2007218182A JP 4182140 B2 JP4182140 B2 JP 4182140B2
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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 (8)
- 第1の配線が形成され、該第1の配線に半導体チップが実装されてなる第1の基板と、
第2の配線が形成されるとともに、前記第1の基板と張り合わせられる第2の基板と、を有するチップ内蔵基板であって、
前記第1の基板に形成されたソルダーレジスト層から露出する、前記第1の配線に接続された第1の接続層と、前記第2の基板に形成されたソルダーレジスト層から露出する、前記第2の配線に接続された第2の接続層とが、電気接続部材によって電気的に接続され、
前記半導体チップと前記電気接続部材が前記第1の基板と前記第2の基板の間で絶縁層によって封止されるとともに、前記第1の基板と前記第2の基板の間が当該絶縁層で封止されており、
前記第1の基板は、平面視した場合に前記第1の基板の内層全面に設けられた導電層を有し、
前記第2の基板は、平面視した場合に前記第2の基板の内層全面に設けられた導電層を有し、
前記第2の基板に設けられた前記導電層が前記第1の基板と接続された前記電気接続部材と電気的に接続されており、
前記第1の基板に実装された前記半導体チップは、前記第1の基板に設けられた前記導電層、前記第2の基板に設けられた前記導電層、及び前記電気的接続部材により電磁的に遮蔽されていることを特徴とするチップ内蔵基板。 - 前記電気接続部材は、金属ボールの表面を半田層で被覆してなることを特徴とする請求項1記載のチップ内蔵基板。
- 前記電気接続部材は、導電性のポストであることを特徴とする請求項1記載のチップ内蔵基板。
- 前記電気接続部材は、ボンディングワイヤにより形成されるバンプであることを特徴とする請求項1記載のチップ内蔵基板。
- 前記第1の基板には、前記第2の基板に実装された電子部品を露出させる開口部が形成されていることを特徴とする請求項1記載のチップ内蔵基板。
- 前記第2の基板には、前記第1の基板に実装された電子部品を露出させる開口部が形成されていることを特徴とする請求項1記載のチップ内蔵基板。
- 前記絶縁層に、前記半導体チップとともに電子部品が封止されていることを特徴とする請求項1記載のチップ内蔵基板。
- 前記電子部品は、前記半導体チップと積層されていることを特徴とする請求項7記載のチップ内蔵基板。
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