JP7442616B2 - 3d半導体メモリ構造体を形成する方法、構造体 - Google Patents
3d半導体メモリ構造体を形成する方法、構造体 Download PDFInfo
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- JP7442616B2 JP7442616B2 JP2022501110A JP2022501110A JP7442616B2 JP 7442616 B2 JP7442616 B2 JP 7442616B2 JP 2022501110 A JP2022501110 A JP 2022501110A JP 2022501110 A JP2022501110 A JP 2022501110A JP 7442616 B2 JP7442616 B2 JP 7442616B2
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- H01L2225/06503—Stacked arrangements of devices
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Description
Claims (18)
- 3次元(3D)半導体メモリ構造体であって、
メモリおよびシリコン貫通ビア(TSV)を含むメモリ・チップと、
前記チップ上に配列され、前記チップに結合されたハードウェア・アクセラレータと、
前記3D半導体メモリ構造体および前記ハードウェア・アクセラレータの下に配列され、前記TSVと、前記メモリ・チップおよび前記ハードウェア・アクセラレータの外部入力部および出力部とに取り付けられた基板と
前記ハードウェア・アクセラレータが、前記メモリ・チップに対面して結合されることと、
前記基板に結合され、メモリ動作を実行するように構成された補助高帯域幅メモリ(HBM)を含み、前記補助HBMが、事前にはんだ付けされたラミネートを使用して前記基板に結合されることと、
前記メモリ・チップが、HBM PHYおよびHBMメモリ・コントローラを含み、前記HBM PHYおよび前記HBMメモリ・コントローラが、前記補助HBMをサポートし、バック・エンド・オブ・ライン(BEOL)金属ラインを使用して前記補助HBMに直接電気的に結合されること
を含む、3次元(3D)半導体メモリ構造体。 - 前記TSVが、前記メモリ・チップの周囲に配列される、請求項1に記載の構造体。
- 前記メモリ・チップおよび前記ハードウェア・アクセラレータは、前記基板が取り付けられる中間構造体体を形成するように結合される、請求項1に記載の構造体。
- 前記基板が、事前にはんだ付けされたラミネートを含むパッケージング基板である、請求項1に記載の構造体。
- 前記メモリ・チップが、スタティック・ランダム・アクセス・メモリを含む、請求項1に記載の構造体。
- 前記メモリ・チップが、前記メモリ動作を制御するためのメモリ・コントローラをさらに含む、請求項1に記載の構造体。
- 前記HBM PHYおよび前記HBMメモリ・コントローラが、ウェハのBEOLの中間層誘電体層に配置される、請求項1に記載の構造体。
- 前記TSVが、前記メモリ・チップの周囲領域を通過する、請求項1に記載の構造体。
- 前記メモリ・チップと前記ハードウェア・アクセラレータとの間に配列され、前記ハードウェア・アクセラレータに対面して結合されたアナログ・チップを含み、前記基板が、前記構造体、前記ハードウェア・アクセラレータ、および前記アナログ・チップの下にある、請求項1に記載の構造体。
- 前記アナログ・チップが、Cuピラーおよびはんだキャップを使用して前記ハードウェア・アクセラレータに結合される、請求項9に記載の構造体。
- 前記アナログ・チップには、TSVがない、請求項9に記載の構造体。
- 前記アナログ・チップが、1つまたは複数のTSVを含む、請求項9に記載の構造体。
- 前記ハードウェア・アクセラレータが、銅対銅ボンドで使用される銅ピラーによって前記メモリ・チップに結合される、請求項9に記載の構造体。
- 3次元(3D)半導体メモリ構造体を形成するための方法であって、
メモリおよびシリコン貫通ビア(TSV)を含むメモリ・チップを受け取るステップと、
ハードウェア・アクセラレータを、前記メモリ・チップに結合させるように前記メモリ・チップ上に配列するステップと、
基板を、前記3D半導体メモリ構造体および前記ハードウェア・アクセラレータの下に配列し、前記TSVと、前記メモリ・チップおよび前記ハードウェア・アクセラレータの外部入力部および出力部とに取り付けるステップと
前記ハードウェア・アクセラレータが、前記メモリ・チップに対面して結合されるステップと、
前記基板に結合され、メモリ動作を実行するように構成された補助高帯域幅メモリ(HBM)を含み、前記補助HBMが、事前にはんだ付けされたラミネートを使用して前記基板に結合されるステップと、
前記メモリ・チップが、HBM PHYおよびHBMメモリ・コントローラを含み、前記HBM PHYおよび前記HBMメモリ・コントローラが、前記補助HBMをサポートし、バック・エンド・オブ・ライン(BEOL)金属ラインを使用して前記補助HBMに直接電気的に結合されるステップと
を含む、方法。 - 前記TSVが、前記メモリ・チップの周囲に配列される、請求項14に記載の方法。
- 前記チップおよび前記ハードウェア・アクセラレータは、前記基板が取り付けられる中間構造体体を形成するように結合される、請求項14に記載の方法。
- 前記方法が、
アナログ・チップを、前記メモリ・チップと前記ハードウェア・アクセラレータとの間に配列し、前記ハードウェア・アクセラレータに対面して結合させるステップ
をさらに含み、
前記基板が、前記構造体、前記ハードウェア・アクセラレータ、および前記アナログ・チップの下に配列される、請求項14に記載の方法。 - 前記配列するステップの前に前記アナログ・チップを薄くするステップをさらに含む、請求項17に記載の方法。
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