JP5418918B2 - 積層されたマイクロエレクトロニクスデバイス、および積層されたマイクロエレクトロニクスデバイスを製造するための方法 - Google Patents
積層されたマイクロエレクトロニクスデバイス、および積層されたマイクロエレクトロニクスデバイスを製造するための方法 Download PDFInfo
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- JP5418918B2 JP5418918B2 JP2010521074A JP2010521074A JP5418918B2 JP 5418918 B2 JP5418918 B2 JP 5418918B2 JP 2010521074 A JP2010521074 A JP 2010521074A JP 2010521074 A JP2010521074 A JP 2010521074A JP 5418918 B2 JP5418918 B2 JP 5418918B2
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Classifications
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Description
Claims (27)
- マイクロ電子デバイスを製造する方法であって、
第一のマイクロ電子ダイの前面表面上の対応するスペーサ部位上の第一のスペーサ要素と、対応する第一のスペーサ要素上の第二のスペーサ要素とを有する複数の多層金属スペーサを形成するプロセスであって、前記第一のスペーサ要素は、前記第一のマイクロ電子ダイの前記対応するスペーサ部位上にワイヤボンドボールを形成することによって形成され、前記第二のスペーサ要素は、前記対応する第一のスペーサ要素上にワイヤボンドボールを形成することによって形成され、前記第一および第二のスペーサ要素のうちの少なくとも一方は、前記ワイヤボンドボールに結合されたワイヤを有し、前記スペーサ部位はいずれも導電性金属でできている、プロセスと、
第二のマイクロ電子ダイの裏面表面を、前記第二のスペーサ要素に取り付けるプロセスと、
を含み、
前記第一のスペーサ要素と前記第二のスペーサ要素のうちの少なくとも一方は、前記第一のマイクロ電子ダイの前記前面表面と、前記第二のマイクロ電子ダイの前記裏面表面のうちの少なくとも一方から電気的に分離される、ことを特徴とする方法。 - 前記第二のマイクロ電子ダイの前記裏面表面を取り付けるプロセスは、前記第一のマイクロ電子ダイの前記前面表面上に充填剤材料を堆積するプロセスと、前記充填剤材料に前記第二のマイクロ電子ダイを押し付けるプロセスとを含む、ことを特徴とする請求項1に記載の方法。
- 少なくとも3つの多層金属スペーサを形成するプロセスをさらに含む、ことを特徴とする請求項1に記載の方法。
- 前記第一および第二のマイクロ電子ダイは、互いに等しい外部周囲長を有する、ことを特徴とする請求項1に記載の方法。
- 前記第一のマイクロ電子ダイは、前記第二のマイクロ電子ダイの外部周囲長よりも大きい外部周囲長を有する、ことを特徴とする請求項1に記載の方法。
- 前記第一および第二のスペーサ要素は、第一および第二の金属バンプの積層を含む、ことを特徴とする請求項1に記載の方法。
- 前記多層金属スペーサのうちの一部は、前記第一のマイクロ電子ダイの内側部分に配置される、ことを特徴とする請求項1に記載の方法。
- 前記多層金属スペーサは、第三のスペーサ要素としての第三の金属バンプをさらに含む、ことを特徴とする請求項7に記載の方法。
- 前記第一のマイクロ電子ダイは、前記前面表面に前記スペーサ部位とボンド部位を有し、前記スペーサ部位は、前記ボンド部位および前記第一のマイクロ電子ダイの集積回路から電気的に分離され、前記多層金属スペーサを形成する前記プロセスは、前記スペーサ部位上に、前記第一のスペーサ要素としての第一の金属バンプを、前記第一の金属バンプ上に、前記第二のスペーサ要素としての第二の金属バンプを形成するプロセスを含む、ことを特徴とする請求項1に記載の方法。
- 前記第一のマイクロ電子ダイは、集積回路と、前記集積回路に電気的に結合された、前記前面表面におけるボンドパッドとを有し、前記多層金属スペーサを形成する前記プロセスは、前記ボンドパッド上に、前記第一のスペーサ要素としての第一の金属バンプを、前記第一の金属バンプ上に、前記第二のスペーサ要素としての第二の金属バンプを形成するプロセスを含む、ことを特徴とする請求項1に記載の方法。
- マイクロ電子デバイスを製造する方法であって、
第一のマイクロ電子ダイの前面における導電性金属のスペーサ部位の表面上に、非圧縮性の多層金属スペーサを形成するプロセスであって、前記多層金属スペーサは、少なくとも、第一のスペーサ要素と、該第一のスペーサ要素上の第二のスペーサ要素とを含み、前記第一のスペーサ要素は、前記第一のマイクロ電子ダイの前記スペーサ部位上にワイヤボンドボールを形成することによって形成され、前記第二のスペーサ要素は、前記第一のスペーサ要素上にワイヤボンドボールを形成することによって形成され、前記第一および第二のスペーサ要素のうちの少なくとも一方は、前記ワイヤボンドボールに結合されたワイヤを有し、前記スペーサ部位は、前記第一のマイクロ電子ダイの集積回路から電気的に分離される、プロセスと、
前記多層金属スペーサに第二のマイクロ電子ダイを取り付けるプロセスと、
を含む、ことを特徴とする方法。 - 前記スペーサ部位は、金属パッドを含む、ことを特徴とする請求項11に記載の方法。
- 前記多層金属スペーサを形成するプロセスは、
前記スペーサ部位へ、前記第一のスペーサ要素としての第一の金属バンプを取り付けるプロセスと、
前記第一の金属バンプの上部上に、前記第二のスペーサ要素としての第二の金属バンプを堆積するプロセスと、
を含む、ことを特徴とする請求項11に記載の方法。 - 前記第二の金属バンプの上部上に、第三のスペーサ要素としての第三の金属バンプを配置することによって、前記第一のマイクロ電子ダイと前記第二のマイクロ電子ダイとの間の間隔距離を増加させるプロセスをさらに含む、ことを特徴とする請求項13に記載の方法。
- 前記第一の金属バンプと前記第二の金属バンプのうちの少なくとも一方を平板化するプロセスをさらに含む、ことを特徴とする請求項13に記載の方法。
- マイクロ電子デバイスを製造する方法であって、
第一のワイヤボンドを第一のマイクロ電子ダイの前面表面における導電性ボンド部位に取り付けるプロセスであって、個々の第一のワイヤボンドのうちの一部は、前記導電性ボンド部位に取り付けられた下部層スペーサ要素であり、前記下部層スペーサ要素は、前記第一のマイクロ電子ダイの対応する導電性ボンド部位上にワイヤボンドボールを形成することによって形成される、プロセスと、
第二のマイクロ電子ダイの裏面の少なくとも一部分を誘電性材料で被覆するプロセスと、
上部層スペーサ要素としての第二のワイヤボンドを、前記下部層スペーサ要素に取り付けるプロセスであって、前記上部層スペーサ要素は、前記下部層スペーサ要素上にワイヤボンドボールを形成することによって形成され、前記上部層スペーサ要素および前記下部層スペーサ要素のうちの少なくとも一方は、前記ワイヤボンドボールに結合されたワイヤを有し、前記上部層スペーサ要素と前記下部層スペーサ要素とが多層金属スペーサを構成する、ステップと、
前記第二のマイクロ電子ダイの電気的に絶縁された前記部分を、前記上部層スペーサ要素に取り付けるプロセスと、
を含む、ことを特徴とする方法。 - マイクロ電子デバイスであって、
ボンド部位と、前記ボンド部位に結合されたワイヤボンドとを有する前面を有する第一のマイクロ電子ダイと、
前記第一のマイクロ電子ダイの前記前面における導電性金属のスペーサ部位であって、前記スペーサ部位は、前記第一のマイクロ電子ダイの集積回路から電気的に分離されており、かつ、前記第一のマイクロ電子ダイの前記前面と同一面上にある、スペーサ部位と、
裏面を有する第二のマイクロ電子ダイと、
前記第一のマイクロ電子ダイと前記第二のマイクロ電子ダイの間に介在する複数の多層金属スペーサであって、個々の多層金属スペーサは、対応するスペーサ部位上の第一のスペーサ要素と、対応する第一のスペーサ要素上に積重ねられ且つ前記第二のマイクロ電子ダイの前記裏面表面に取り付けられた第二のスペーサ要素とを含み、前記第一および第二のスペーサ要素の各々はワイヤボンドボールを含み、前記第一および第二のスペーサ要素のうちの少なくとも一方は、前記ワイヤボンドボールに結合されたワイヤを有し、前記多層金属スペーサは、前記第一および第二のマイクロ電子ダイのうちの少なくとも一方から電気的に分離されている、複数の多層金属スペーサと、
を含む、ことを特徴とするマイクロ電子デバイス。 - 前記第一および第二のマイクロ電子ダイを格納する筐体と、
前記第一のマイクロ電子ダイと前記第二のマイクロ電子ダイとの間に介在する充填剤層と、
前記筐体および前記第一のマイクロ電子ダイに取り付けられたインターポーザー基板と、
をさらに含み、
前記インターポーザー基板は、前記筐体の外部のボンドパッドへと前記筐体内の電気的接続を導く、ことを特徴とする請求項17に記載のマイクロ電子デバイス。 - 前記第二のマイクロ電子ダイの前記裏面上にあり、前記多層金属スペーサと接触する誘電性層をさらに含む、ことを特徴とする請求項17に記載のマイクロ電子デバイス。
- コンピューティングシステムであって、プロセッサ、メモリ、および入力/出力デバイスを含み、前記コンピューティングシステムは、請求項17に記載の前記マイクロ電子デバイスを含む、ことを特徴とするコンピューティングシステム。
- マイクロ電子デバイスであって、
ボンドパッドを有するインターポーザー基板と、
前記インターポーザー基板上の第一のマイクロ電子ダイであって、前記第一のマイクロ電子ダイは、集積回路および複数のスペーサ部位を含む前面表面を含み、前記スペーサ部位は、前記集積回路から電気的に分離されており、かつ、第一の導電性材料からできている、第一のマイクロ電子ダイと、
前記スペーサ部位に結合された複数の多層金属スペーサであって、前記多層金属スペーサの各々は、対応するスペーサ部位上の第一のスペーサ要素と、対応する第一のスペーサ要素上に積重ねられた第二のスペーサ要素とを含み、前記第一および第二のスペーサ要素の各々はワイヤボンドボールを含み、前記第一および第二のスペーサ要素のうちの少なくとも一方は、前記ワイヤボンドボールに結合されたワイヤを有し、前記多層金属スペーサは、前記第一の導電性材料とは異なる第二の導電性材料からできている、複数の多層金属スペーサと、
前記多層金属スペーサの前記第二のスペーサ要素に結合された裏面表面を有する第二のマイクロ電子ダイと、
前記インターポーザー基板に前記第一および前記第二のマイクロ電子ダイを各々電気的に結合する、複数の第一および第二のワイヤボンドと、
を含み、
前記第一のワイヤボンドの一部は、前記第一のマイクロ電子ダイと前記第二のマイクロ電子ダイとの間に存在する、ことを特徴とするマイクロ電子デバイス。 - 前記第一のマイクロ電子ダイは、前記集積回路から前記スペーサ部位を電気的に分離する誘電性層を含む、ことを特徴とする請求項21に記載のマイクロ電子デバイス。
- 前記集積回路に結合された相互接続ネットワークと、
前記相互接続ネットワークに結合された複数の金属ボンドパッドと、
をさらに含み、
前記誘電性層は、前記スペーサ部位から前記金属ボンドパッドを分離する、ことを特徴とする請求項22に記載のマイクロ電子デバイス。 - 前面表面と、該前面表面に設けられた導電性のボンド部位と、該ボンド部位に結合された複数のワイヤボンドとを有する第一のマイクロ電子ダイと、
裏面表面および前記裏面表面上の誘電体層を有する第二のマイクロ電子ダイと、
前記第一のマイクロ電子ダイと前記第二のマイクロ電子ダイとの間に介在する複数の多層金属スペーサであって、個々の多層金属スペーサは、前記第一のマイクロ電子ダイの対応するボンド部位上の第一のスペーサ要素と、対応する第一のスペーサ要素上に積重ねられ且つ前記第二のマイクロ電子ダイの前記誘電体層に接触する第二のスペーサ要素とを含み、前記第一および第二のスペーサ要素の各々は、ワイヤボンドボールと、該ワイヤボンドボールに結合されたワイヤとを有している、複数の多層金属スペーサと、
を含む、ことを特徴とするマイクロ電子デバイス。 - 前記誘電体層は、酸化物フィルムと接着性層のうちの少なくとも一方を含む、ことを特徴とする請求項24に記載のマイクロ電子デバイス。
- 個々の第一のスペーサ要素は、スティッチされた金属バンプを含む、ことを特徴とする請求項24に記載のマイクロ電子デバイス。
- 個々の第二のスペーサ要素は、スティッチされていない金属バンプを含む、ことを特徴とする請求項26に記載のマイクロ電子デバイス。
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US8803307B2 (en) | 2014-08-12 |
CN101809737A (zh) | 2010-08-18 |
US8501546B2 (en) | 2013-08-06 |
WO2009025972A3 (en) | 2009-04-23 |
WO2009025972A2 (en) | 2009-02-26 |
JP2010537406A (ja) | 2010-12-02 |
SG150395A1 (en) | 2009-03-30 |
US8093702B2 (en) | 2012-01-10 |
TWI389293B (zh) | 2013-03-11 |
KR101257551B1 (ko) | 2013-04-23 |
KR20100067084A (ko) | 2010-06-18 |
CN106298748A (zh) | 2017-01-04 |
EP2191507A2 (en) | 2010-06-02 |
US20140346683A1 (en) | 2014-11-27 |
US20090045496A1 (en) | 2009-02-19 |
US20120108010A1 (en) | 2012-05-03 |
US20130292854A1 (en) | 2013-11-07 |
EP2191507B1 (en) | 2018-10-03 |
US9147623B2 (en) | 2015-09-29 |
TW200917457A (en) | 2009-04-16 |
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