JP2021515389A - 抵抗低減型アクティブオンアクティブのダイ積層向けの電力分配 - Google Patents
抵抗低減型アクティブオンアクティブのダイ積層向けの電力分配 Download PDFInfo
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Abstract
Description
Claims (15)
- 第1のダイ本体の内部に配設された第1の標準的なセルと、
第1のダイ本体の内部で前記第1の標準的なセル上に配設されて第1のBEOL積層の一部分を形成する第1の複数の金属層であって、前記第1の標準的なセルの最も近くの第1の金属層、および前記第1の標準的なセルから最も遠くの最後の金属層を含む、第1の複数の金属層とを備える半導体ダイであって、前記第1の複数の金属層が、
前記第1の標準的なセルより上で前記第1の複数の金属層の最後の金属層より下に配設された第1の電力分配ネットワーク層であって、前記第1の標準的なセルに対して供給電圧または接地のうち少なくとも1つを与えるように構成された第1の電力分配ネットワーク層を備える、半導体ダイ。 - 前記第1のダイ本体の頂面と底面の間に延在する第1の複数のビアであって、前記第1の電力分配ネットワーク層に対して電気的に結合された第1の複数のビアをさらに備える請求項1に記載の半導体ダイ。
- 前記第1の電力分配ネットワーク層が前記第1の金属層および前記最後の金属層より少なくとも2倍厚い、請求項2に記載の半導体ダイ。
- 前記第1の電力分配ネットワーク層が、前記第1の電力分配ネットワーク層の上と下とに配設された前記第1の複数の金属層と比較して、より低い固有抵抗を有する、請求項2に記載の半導体ダイ。
- 前記第1の電力分配ネットワーク層の上に配設された前記第1の複数の金属層が、2Ωを超えて10Ω未満の積層抵抗を有するように構成されており、前記電力分配ネットワーク層の下に配設された前記複数の第1の金属層が、1Ω以下の積層抵抗を有するように構成されている、請求項2に記載の半導体ダイ。
- 第1のダイと、
内部に標準的なセルが形成されている第2のダイとを備えるアクティブオンアクティブのマイクロ電子デバイスであって、
前記第2のダイの上に前記第1のダイが積層されてダイ積層をもたらし、
前記第1のダイおよび前記第2のダイのそれぞれが、複数のインタレベル誘電体層の中に形成された複数の金属層を有して第1の積層構造および第2の積層構造をもたらし、
前記標準的なセルに対して供給電圧または接地を与えるように構成された、前記第2の積層構造の電力分配ネットワーク層が、前記複数の金属層のうち前記標準的なセルに最も近い第1の金属層と、前記複数の金属層のうち前記標準的なセルから最も遠い最後の金属層との間に配置されている、アクティブオンアクティブのマイクロ電子デバイス。 - 前記第1のダイの頂面から底面まで延在する第1の基板貫通ビアと、
前記第2の基板の頂面と底面の間に延在する第2の基板貫通ビアとをさらに備え、前記第1の基板貫通ビアが、前記第1のダイと前記第2のダイの間に配設された接合材料によって前記第2の基板貫通ビアに結合されている、請求項6に記載のアクティブオンアクティブのマイクロ電子デバイス。 - 頂面および底面を伴う第3の基板を有する第3のダイであって、導電性のための第3の積層構造をもたらすために、複数のインタレベル誘電体層に形成された複数の金属層を有する第3のダイと、
前記第3のダイの上の第2のダイであって、前記第2の基板の前記底面が前記第3の基板の前記頂面に面して前記ダイ積層をもたらす、第2のダイとをさらに備える請求項7に記載のアクティブオンアクティブのマイクロ電子デバイス。 - 導電性のために、前記第2の基板貫通ビアの上端と相互接続された前記第2の積層構造と、
導電性のために、前記第2の基板貫通ビアの下端と相互接続された、前記第2の基板の前記底面近くの前記第3の積層構造の金属層とをさらに備える請求項8に記載のアクティブオンアクティブのマイクロ電子デバイス。 - 前記電力分配ネットワーク層が、前記標準的なセルの上に配設された前記複数の金属層のものよりも低い固有抵抗を有する、請求項6に記載のアクティブオンアクティブのマイクロ電子デバイス。
- 前記電力分配ネットワーク層が前記標準的なセルの上に配設された前記複数の金属層の金属層より少なくとも2倍厚い厚さを有する、請求項6に記載のアクティブオンアクティブのマイクロ電子デバイス。
- 前記第1の積層構造の上層が、2Ωを超えて10Ω未満の積層抵抗を有するように構成されて前記電力分配ネットワーク層の上に配設されており、前記第1の積層構造の下層が、1Ω以下の積層抵抗を有するように構成されて前記標準的なセルと前記電力分配ネットワーク層の間に配設されている、請求項6に記載のアクティブオンアクティブのマイクロ電子デバイス。
- 前記第1の積層構造が、前記複数の金属層の前記下層において、前記下層に、前記上層の経路よりも固有抵抗が低い経路をもたらすために、前記複数の金属層の前記上層のものよりも高いビア密度を有するように構成されている、請求項12に記載のアクティブオンアクティブのマイクロ電子デバイス。
- アクティブオンアクティブのマイクロ電子デバイスを形成するための方法であって、
第1の基板を有する第1のダイであって、前記第1の基板の頂面と底面の間に基板貫通ビアが延在している、第1のダイを取得することと、
頂面および底面を伴う第2の基板を有する第2のダイを取得することと、
前記第1の基板の前記底面が前記第2の基板の前記頂面と面した状態で前記第2のダイの上に前記第1のダイを相互接続して、ダイ積層をもたらすこととを含む方法において、
前記第1のダイおよび前記第2のダイがそれぞれ、導電性のために、それぞれ、複数のインタレベル誘電体層の中に形成された複数の金属層を有して、第1の積層構造および第2の積層構造をもたらし、
導電性のために、前記第1の積層構造が前記基板貫通ビアの上端と相互接続されており、
前記相互接続することが、導電性のために、前記第1の基板の前記底面近くの前記第2の積層構造の金属層を、前記基板貫通ビアの下端に接続することを含み、
前記複数の金属層の下層と上層の間に前記第2の積層構造の電力分配ネットワーク層が配置され、
第1のターゲット回路および第2のターゲット回路が、それぞれ前記第1の基板および前記第2の基板に少なくとも部分的に配置され、
前記第2のターゲット回路が前記電力分配ネットワーク層と相互接続されて、供給電圧または接地のうち少なくとも1つを受け取る、方法。 - さらに、
前記基板貫通ビアが第1の基板貫通ビアであり、
前記第2のダイが、前記第2の基板の前記頂面と前記底面の間に延在する第2の基板貫通ビアを有し、
第3のダイが、頂面および底面を伴う第3の基板を有し、
前記第3のダイが、導電性のための第3の積層構造をもたらすために、複数のインタレベル誘電体層に形成された複数の金属層を有し、
前記第2の基板の前記底面が前記第3の基板の前記頂面と面した状態で前記第3のダイの上に前記第2のダイを相互接続して前記ダイ積層をもたらす、請求項14に記載の方法。
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