JP2009099922A - 積層半導体パッケージ及びこれの製造方法 - Google Patents
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Abstract
【解決手段】積層半導体パッケージは、第1の接続パッド12及び第2の接続パッド14を含む基板10、基板10上に配置され、第1の半導体チップ21〜24が階段形態に積層された第1の積層パッケージグループ20、第1のエッジボンディングパッド及び第1の接続パッド12を電気的に連結する第1の導電性ワイヤー30、第1の積層パッケージグループ20の上部に配置された第1の上部半導体チップ24上に配置された接着部材25、接着部材25上に配置され、階段形態に積層された第2の半導体チップ51〜54を含む第2の積層パッケージグループ50及び第2のエッジボンディングパッド及び第2の接続パッド14を電気的に連結する第2の導電性ワイヤー60を含む。
【選択図】図1
Description
図1は、本発明の一実施形態による積層半導体パッケージの断面図である。図2は、図1に示されている積層半導体パッケージの第1の半導体チップを示した平面図である。
図1及び図3を参照すると、接着部材40は第1の積層パッケージグループ20の第1の半導体チップ24上に直接配置される。本実施形態で、接着部材40は第1の半導体チップ24と同一な形状及び同一な面積を有し、接着部材40は第1の半導体チップ24のエッジボンディングパッド26と電気的に連結された第1の導電性ワイヤー30のループ部32を覆う。すなわち、接着部材40は第1の導電性ワイヤー30のループ部32を後述する第2の積層パッケージグループ50から絶縁する。
12 第1の接続パッド
14 第2の接続パッド
16 ボールランド
20 積層パッケージグループ
21,22,23,24 第1の半導体チップ
25 第1の接着部材
30 第1の導電性ワイヤー
40 接着部材
50 第2の積層パッケージグループ
51,52,53,54 第2の半導体チップ
55 第2の接着部材
60 第2の導電性ワイヤー
100 積層半導体パッケージ
Claims (13)
- 第1の接続パッド及び第2の接続パッドを含む基板と、
前記基板上に配置され、第1のエッジボンディングパッドが露出した第1の半導体チップが階段形態に積層された第1の積層パッケージグループと、
前記第1のエッジボンディングパッド及び前記第1の接続パッドを電気的に連結する第1の導電性ワイヤーと、
前記第1の積層パッケージグループの上部に配置された第1の上部半導体チップ上に配置された接着部材と、
前記接着部材上に配置され、階段形態に積層されて第2のエッジボンディングパッドが露出して前記第1の上部半導体チップと整列した第2の下部半導体チップを含む第2の半導体チップを含む第2の積層パッケージグループと、
前記第2のエッジボンディングパッド及び前記第2の接続パッドを電気的に連結する第2の導電性ワイヤーと、
を含むことを特徴とする積層半導体パッケージ。 - 前記第1の半導体チップは第1の方向に沿って階段形態に付着し、前記第2の半導体チップは前記第1の方向とは反対方向である第2の方向に沿って階段形態に付着したことを特徴とする請求項1に記載の積層半導体パッケージ。
- 前記第1の半導体チップの間には第1の寸法を有する第1の接着部材が介在し、前記接着部材は前記第1の寸法より厚い第2の寸法を有することを特徴とする請求項1に記載の積層半導体パッケージ。
- 前記第2の半導体チップの間には第1の寸法を有する第2の接着部材が介在し、前記接着部材は前記第1の寸法より厚い第2の寸法を有することを特徴とする請求項1に記載の積層半導体パッケージ。
- 前記第1の積層半導体パッケージグループ及び前記第2の積層半導体パッケージグループは少なくとも2個が交互に配置されることを特徴とする請求項1に記載の積層半導体パッケージ。
- 前記接着部材は、前記第1の上部半導体チップ及び前記第1の上部半導体チップのエッジボンディングパッドを電気的に連結する前記第1の導電性ワイヤーのループ部を覆うことを特徴とする請求項1に記載の積層半導体パッケージ。
- 第1の接続パッド及び第2の接続パッドを含む基板上に第1のエッジボンディングパッドが露出した第1の半導体チップを階段形態に積層して第1の積層パッケージグループを形成する段階と、
前記第1のエッジボンディングパッド及び前記第1の接続パッドを第1の導電性ワイヤーで電気的に連結する段階と、
前記第1の積層パッケージグループの第1の上部半導体チップ上に接着部材を形成する段階と、
前記接着部材上に階段形態に積層されて第2のエッジボンディングパッドが露出し、前記第1の上部半導体チップと整列した第2の下部半導体チップを有する第2の半導体チップを含む第2の積層パッケージグループを形成する段階と、
前記第2のエッジボンディングパッド及び前記第2の接続パッドを第2の導電性ワイヤーで電気的に連結する段階と、
を含むことを特徴とする積層半導体パッケージの製造方法。 - 前記第1の半導体チップは第1の方向に沿って階段形態に付着し、前記第2の半導体チップは前記第1の方向とは反対方向である第2の方向に沿って階段形態に付着することを特徴とする請求項7に記載の積層半導体パッケージの製造方法。
- 前記第1の積層パッケージグループを形成する段階で、前記第1の半導体チップの間には第1の接着部材が介在することを特徴とする請求項7に記載の積層半導体パッケージの製造方法。
- 前記第1の接着部材は第1の寸法を有し、前記接着部材は第1の寸法より厚い第2の寸法を有することを特徴とする請求項9に記載の積層半導体パッケージの製造方法。
- 前記第1の積層パッケージグループを形成する段階で、前記第2の半導体チップの間には第2の接着部材が介在することを特徴とする請求項7に記載の積層半導体パッケージの製造方法。
- 前記第2の接着部材は第1の寸法を有し、前記接着部材は前記第1の寸法より厚い第2の寸法を有することを特徴とする請求項11に記載の積層半導体パッケージの製造方法。
- 前記接着部材を形成する段階で、前記接着部材は前記第1の上部半導体チップの前記エッジボンディングパッドと電気的に連結された前記第1の導電性ワイヤーのループ部を覆うことを特徴とする請求項7に記載の積層半導体パッケージの製造方法。
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