JP5631328B2 - 電気伝導材料のエアゾール・アプリケーションによって形成される半導体ダイ相互接続 - Google Patents
電気伝導材料のエアゾール・アプリケーションによって形成される半導体ダイ相互接続 Download PDFInfo
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- JP5631328B2 JP5631328B2 JP2011540873A JP2011540873A JP5631328B2 JP 5631328 B2 JP5631328 B2 JP 5631328B2 JP 2011540873 A JP2011540873 A JP 2011540873A JP 2011540873 A JP2011540873 A JP 2011540873A JP 5631328 B2 JP5631328 B2 JP 5631328B2
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- H01L2924/351—Thermal stress
Description
[0001] 本願は、2008年12月9日出願され「電気伝導材料のエアゾール・アプリケーションによって形成される半導体ダイ相互接続ターミナル(Semiconductor die interconnect terminal formed by aerosol application of electrically conductive material)」と題したJ.レアルによる米国仮出願の出願番号第61/121,138号を基礎とする優先権を主張し、それは本願明細書にリファレンスとして組み入れられる。本出願はまた、2009年11月11日のS.マクグラス等による米国仮出願「低減された応力相互接続を有するスタックされたダイアセンブリ(Stacked die assembly having reduced stress interconnects)」(仮出願番号第61/280,584号)から一部の優先権を主張し、本願明細書に一部においてリファレンスとして組み入れられる。
[0003] 典型的な半導体ダイは、集積回路が形成されるフロント(「活性化」)サイドと、バックサイドおよび側壁を有する。側壁は、フロントエッジでフロントサイドとバックエッジでバックサイドを会わせる。半導体ダイは、典型的には、ダイが配備される装置の他の回路を有するダイ上の回路の電気相互接続のためのフロントサイドにある相互接続パッド(ダイパッド)を備えている。提供されるダイのいくつかは、1以上のダイマージンに沿ってフロントサイド上のダイパッドを有し、それらは周辺パッドダイと称される。提供される他のダイは、ダイの中心付近のフロントサイドで1または2の列に配置されるダイパッドを有し、これらはセンターパッドダイと称される。ダイは、1つ以上のダイのマージン(「相互接続マージン」)でまたはその付近で、相互接続パッドの適切な配列を提供するために「リルーティング」される(ルートを変えられる)。
[00100] 明らかなように、相互接続トレースが形成されることができる段階的に等高線を記された表面を提供するヒレの使用は、図11A乃至11Dの実施形態として例示されるそれら以外のダイスタック装置で使用されることができる。たとえば、スタックの最低のダイの上にスタックされる一つ以上のダイは、スタックの最低のダイとは異なる方向であり、および/または、最低のダイの上にスタックされた他のダイと異なる方向に方位付けさ
[00101] 本願明細書において参照される全ての特許出願は、リファレンスとして本願明細書に組み入れたものとする。他の実施形態は、以下の特許請求の範囲に含まれる。
Claims (13)
- 各ダイが活性化側、相互接続マージン、および、相互接続エッジに隣接した相互接続側壁を備え、前記相互接続マージンに配置された相互接続パッドを備えた、複数のダイに相互接続ターミナルを形成するための方法であって、
スタックにおいて連続するダイがスペーサによって分離されるダイのスタックを形成するステップであって、相互接続側壁が、ダイの活性化側面に対して垂直な面に全体的に配置され、相互接続マージンの少なくとも一部が露出されるように相互接続エッジに関して、前記スペーサがオフセットされるようにダイが配置されることを特徴とする、ステップと、
複数の相互接続ターミナルを形成するステップであって、スタックの個々のダイの相互接続パッドと接触する伝導材料の個々のラインを堆積させ、そこから相互接続エッジにわたり、個々のダイの相互接続側壁の上に延びるように、前記ダイの活性化側の面から0度よりも大きく、90度よりも小さいジェット角でエアゾール化した伝導材料を差し向けることにより各相互接続ターミナルが形成されることを特徴とする、ステップと、
を有することを特徴とする方法。 - 前記相互接続ターミナルの形成に続くステップであって、前記ダイが、分離され、別々に処理されることを特徴とする、請求項1に記載の方法。
- 前記ダイ及びスペーサが更に、スタックされたダイアセンブリとして処理されることを特徴とする請求項1に記載の方法。
- 追加のダイが前記スペーサを構成することを特徴とする請求項1に記載の方法。
- 前記追加のダイが、ダミーダイであることを特徴とする請求項4に記載の方法。
- 追加のダイが活性化ダイであることを特徴とする請求項4に記載の方法。
- 各ダイが活性化側、相互接続マージン、および、相互接続エッジに隣接した相互接続側壁を備え、前記相互接続マージンに配置された相互接続パッドを備えた、スタックされたダイのアセンブリの相互接続ターミナルを形成するための方法であって、
スタックにおいて連続するダイがスペーサによって分離されるダイのスタックを形成するステップであって、相互接続側壁が、ダイの活性化側面に対して垂直な面に全体的に配置され、相互接続マージンの少なくとも一部が露出されるように相互接続エッジに関して、前記スペーサがオフセットされるようにダイが配置されることを特徴とする、ステップと、
複数の相互接続ターミナルを形成するステップであって、スタックの個々のダイの相互接続パッドと接触する伝導材料の個々のラインを堆積させ、そこから相互接続エッジにわたり、個々のダイの相互接続側壁の上に延びるように、前記ダイの活性化側の面から0度よりも大きく、90度よりも小さいジェット角でエアゾール化した伝導材料を差し向けることにより各相互接続ターミナルが形成されることを特徴とする、ステップと、
を有することを特徴とする方法。 - 追加のダイが前記スペーサを構成することを特徴とする請求項7に記載の方法。
- 前記追加のダイが、ダミーダイであることを特徴とする請求項7に記載の方法。
- 追加のダイが活性化ダイであることを特徴とする請求項7に記載の方法。
- それらの相互接続側壁が、前記ダイの活性化側の面に対して垂直な面に全体的に全て配置されるように、追加のダイが配置され、それらの相互接続マージンの少なくとも一部が露出されることを特徴とする請求項10に記載の方法。
- 前記追加のダイが、前記追加のダイの活性化側の面から0度よりも大きく、90度よりも小さいジェット角でエアゾール化した伝導材料を差し向けることにより相互接続ターミナルを提供することを特徴とする請求項10に記載の方法。
- 請求項7に記載したように、スタックされたダイのアセンブリに相互接続ターミナルを形成するステップと、
その後、相互接続ターミナルを接続するために電気伝導相互接続材料のトレースを適用するステップと、
を有することを特徴とする、電気的に相互接続されたスタックされたダイアセンブリを製造するための方法。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
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US12113808P | 2008-12-09 | 2008-12-09 | |
US61/121,138 | 2008-12-09 | ||
US28058409P | 2009-11-04 | 2009-11-04 | |
US61/280,584 | 2009-11-04 | ||
PCT/US2009/067386 WO2010068699A2 (en) | 2008-12-09 | 2009-12-09 | Semiconductor die interconnect formed by aerosol application of electrically conductive material |
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JP2012511835A JP2012511835A (ja) | 2012-05-24 |
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WO (1) | WO2010068699A2 (ja) |
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- 2009-12-09 CN CN2009801492852A patent/CN102246298A/zh active Pending
- 2009-12-09 WO PCT/US2009/067386 patent/WO2010068699A2/en active Application Filing
- 2009-12-09 US US12/634,598 patent/US20100140811A1/en not_active Abandoned
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP7001482B2 (ja) | 2018-01-22 | 2022-01-19 | 日鉄建材株式会社 | 集水井における水位計測センサ取付構造、及び水位計測センサ取付方法 |
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Publication number | Publication date |
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CN102246298A (zh) | 2011-11-16 |
WO2010068699A3 (en) | 2010-08-26 |
KR20110103413A (ko) | 2011-09-20 |
WO2010068699A2 (en) | 2010-06-17 |
JP2012511835A (ja) | 2012-05-24 |
KR101566573B1 (ko) | 2015-11-05 |
US20100140811A1 (en) | 2010-06-10 |
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