JP2009071046A - 半導体装置、その製造方法及びワイヤボンディング方法 - Google Patents
半導体装置、その製造方法及びワイヤボンディング方法 Download PDFInfo
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- JP2009071046A JP2009071046A JP2007238093A JP2007238093A JP2009071046A JP 2009071046 A JP2009071046 A JP 2009071046A JP 2007238093 A JP2007238093 A JP 2007238093A JP 2007238093 A JP2007238093 A JP 2007238093A JP 2009071046 A JP2009071046 A JP 2009071046A
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Abstract
【解決手段】半導体装置は、複数のボンディングパッド3が直線状に配列されている半導体チップ1と、複数のボンディングパッド3と略平行な直線状に複数のボンディングパッド4が配列されている半導体チップ4と、ボンディングパッド3とボンディングパッド4とを個々に接続している複数のワイヤ7とを備える。ワイヤ7で個々に接続されているボンディングパッド3とボンディングパッド4とが配列方向に相対的に変位した位置に配置されている。ワイヤ7で接続されているボンディングパッド3とボンディングパッド4とを通過する基準直線Sに対して、ワイヤ7の少なくとも一つが基準直線Sに対して湾曲している。湾曲された湾曲ワイヤと、湾曲ワイヤと隣設している隣設ワイヤとの間の距離が、湾曲ワイヤの基準直線と隣設ワイヤの基準直線との間の距離よりも大きくなる一定方向に湾曲ワイヤがボンディングパッド4から延出している。
【選択図】図1
Description
複数の第一のボンディングパッドが直線状に配列されている第一の半導体チップと、
複数の第一のボンディングパッドと略平行な直線状に複数の第二のボンディングパッドが配列されている第二の半導体チップと、
第一のボンディングパッドと第二のボンディングパッドとを個々に接続している複数のワイヤと、
を備える半導体装置であって、
ワイヤで個々に接続されている第一のボンディングパッドと第二のボンディングパッドとが配列方向に相対的に変位した位置に配置されており、
ワイヤで接続されている第一のボンディングパッドと第二のボンディングパッドとを通過する基準直線に対して、ワイヤの少なくとも一つが基準直線に対して湾曲しており、湾曲された湾曲ワイヤと、湾曲ワイヤと隣設している隣設ワイヤとの間の距離が、湾曲ワイヤの基準直線と隣設ワイヤの基準直線との間の距離よりも大きくなる一定方向に湾曲ワイヤが第二のボンディングパッドから延出していることを特徴とする半導体装置
が提供される。
複数の第一のボンディングパッドが直線状に配列されている第一の半導体チップと、
複数の第一のボンディングパッドと略平行な直線状に複数の第二のボンディングパッドが配列されている第二の半導体チップと、
第一のボンディングパッドと第二のボンディングパッドとを個々に接続している複数のワイヤと、
を備える半導体装置の製造方法であって、
ワイヤで個々に接続されている第一のボンディングパッドと第二のボンディングパッドとを配列方向に相対的に変位した位置に配置する工程と、
ワイヤで接続されている第一のボンディングパッドと第二のボンディングパッドとを通過する基準直線に対して、ワイヤの少なくとも一つを基準直線に対して湾曲し、湾曲された湾曲ワイヤと、湾曲ワイヤと隣設している隣設ワイヤとの間の距離が、湾曲ワイヤの基準直線と隣設ワイヤの基準直線との間の距離よりも大きくなる一定方向に湾曲ワイヤを第二のボンディングパッドから延出させることを特徴とする半導体装置の製造方法
が提供される。
第一の半導体チップに直線状に配列された複数の第一のボンディングパッドと、
第二の半導体チップに複数の第一のボンディングパッドと略平行な直線状に配列された複数の第二のボンディングパッドとを複数のワイヤで個々に接続するワイヤボンディング方法であって、
ワイヤで個々に接続されている第一のボンディングパッドと第二のボンディングパッドとを配列方向に相対的に変位した位置に配置する工程と、
ワイヤで接続されている第一のボンディングパッドと第二のボンディングパッドとを通過する基準直線に対して、ワイヤの少なくとも一つを基準直線に対して湾曲し、湾曲された湾曲ワイヤと、湾曲ワイヤと隣設している隣設ワイヤとの間の距離が、湾曲ワイヤの基準直線と隣設ワイヤの基準直線との間の距離よりも大きくなる一定方向に湾曲ワイヤを第二のボンディングパッドから延出させることを特徴とするワイヤボンディング方法
が提供される。
2 半導体チップ
3 ボンディングパッド
4 ボンディングパッド
5 接合部
6 接合部
7 ワイヤ
8 ボール
9 キャピラリ
10 バンプ
S 基準直線
Claims (8)
- 複数の第一のボンディングパッドが直線状に配列されている第一の半導体チップと、
複数の前記第一のボンディングパッドと略平行な直線状に複数の第二のボンディングパッドが配列されている第二の半導体チップと、
前記第一のボンディングパッドと前記第二のボンディングパッドとを個々に接続している複数のワイヤと、
を備える半導体装置であって、
前記ワイヤで個々に接続されている前記第一のボンディングパッドと前記第二のボンディングパッドとが配列方向に相対的に変位した位置に配置されており、
前記ワイヤで接続されている前記第一のボンディングパッドと前記第二のボンディングパッドとを通過する基準直線に対して、前記ワイヤの少なくとも一つが前記基準直線に対して湾曲しており、湾曲された湾曲ワイヤと、前記湾曲ワイヤと隣設している隣設ワイヤとの間の距離が、前記湾曲ワイヤの基準直線と前記隣設ワイヤの基準直線との間の距離よりも大きくなる一定方向に前記湾曲ワイヤが前記第二のボンディングパッドから延出していることを特徴とする半導体装置。 - 前記第二のボンディングパッドの配列方向に対する直角な線と前記湾曲ワイヤの基準線とのなす角をθ1とし、前記湾曲ワイヤの延出方向と前記基準直線とのなす角をθ2としたとき、0<θ2≦θ1が満たされることを特徴とする請求項1に記載の半導体装置。
- 前記湾曲ワイヤは、前記第二のボンディングパッドの配列方向に対してほぼ直角方向に延出していることを特徴とする請求項1または2に記載の半導体装置。
- 前記第一のボンディングパッドと前記ワイヤとを接続している第一の接合部に前記ワイヤの立ち上がり部が形成され、前記第二のボンディングパッドと前記ワイヤとを接続している第二の接合部に前記ワイヤの傾斜部が形成されていることを特徴とする請求項1乃至3いずれかに記載の半導体装置。
- 前記第一の接合部は、ボールを介して前記第一のボンディングパッドと前記ワイヤとを接続しており、前記ボールの上方に前記立ち上がり部が形成されていることを特徴とする請求項4に記載の半導体装置。
- 複数の第一のボンディングパッドが直線状に配列されている第一の半導体チップと、
複数の前記第一のボンディングパッドと略平行な直線状に複数の第二のボンディングパッドが配列されている第二の半導体チップと、
前記第一のボンディングパッドと前記第二のボンディングパッドとを個々に接続している複数のワイヤと、
を備える半導体装置の製造方法であって、
前記ワイヤで個々に接続されている前記第一のボンディングパッドと前記第二のボンディングパッドとを配列方向に相対的に変位した位置に配置する工程と、
前記ワイヤで接続されている前記第一のボンディングパッドと前記第二のボンディングパッドとを通過する基準直線に対して、前記ワイヤの少なくとも一つを前記基準直線に対して湾曲し、湾曲された湾曲ワイヤと、前記湾曲ワイヤと隣設している隣設ワイヤとの間の距離が、前記湾曲ワイヤの基準直線と前記隣設ワイヤの基準直線との間の距離よりも大きくなる一定方向に前記湾曲ワイヤを前記第二のボンディングパッドから延出させることを特徴とする半導体装置の製造方法。 - 前記第二のボンディングパッド上にバンプを形成する工程と、
キャピラリに挿通された前記ワイヤの先端に形成されたボールを介して前記第一のボンディングパッドに接続し、前記ボールの上方に前記ワイヤの立ち上がり部を形成して第一の接合部を形成する工程と、
前記キャピラリの移動動作により、前記ワイヤを湾曲させて前記湾曲ワイヤを形成する工程と、
前記バンプを介して前記ワイヤと前記第二のボンディングパッドとを接続することにより第二の接合部を形成する工程と、
を含むことを特徴とする請求項6に記載の半導体装置の製造方法。 - 第一の半導体チップに直線状に配列された複数の第一のボンディングパッドと、
第二の半導体チップに複数の前記第一のボンディングパッドと略平行な直線状に配列された複数の第二のボンディングパッドとを複数のワイヤで個々に接続するワイヤボンディング方法であって、
前記ワイヤで個々に接続されている前記第一のボンディングパッドと前記第二のボンディングパッドとを配列方向に相対的に変位した位置に配置する工程と、
前記ワイヤで接続されている前記第一のボンディングパッドと前記第二のボンディングパッドとを通過する基準直線に対して、前記ワイヤの少なくとも一つを前記基準直線に対して湾曲し、湾曲された湾曲ワイヤと、前記湾曲ワイヤと隣設している隣設ワイヤとの間の距離が、前記湾曲ワイヤの基準直線と前記隣設ワイヤの基準直線との間の距離よりも大きくなる一定方向に前記湾曲ワイヤを前記第二のボンディングパッドから延出させることを特徴とするワイヤボンディング方法。
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