JP2022531048A - 接合された統合半導体チップならびにその製造および操作方法 - Google Patents
接合された統合半導体チップならびにその製造および操作方法 Download PDFInfo
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- JP2022531048A JP2022531048A JP2021545736A JP2021545736A JP2022531048A JP 2022531048 A JP2022531048 A JP 2022531048A JP 2021545736 A JP2021545736 A JP 2021545736A JP 2021545736 A JP2021545736 A JP 2021545736A JP 2022531048 A JP2022531048 A JP 2022531048A
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Abstract
Description
本出願は、参照によりその全体が本明細書に組み入れられる、「ダイナミックランダムアクセスメモリが埋め込まれた3次元メモリデバイス」と題する2019年4月30日に出願された国際出願第PCT/CN2019/085237号の優先権の利益を主張するものである。
Claims (43)
- 統合半導体チップであって、
1つまたは複数のプロセッサと、埋め込みダイナミックランダムアクセスメモリ(DRAM)セルのアレイと、複数の第1の接合接点を含む第1の接合層とを含む第1の半導体構造と、
NANDメモリセルのアレイおよび複数の第2の接合接点を含む第2の接合層とを含む第2の半導体構造と、
前記第1の接合層と前記第2の接合層との間の接合インターフェースであって、前記第1の接合接点が、前記接合インターフェースにおいて前記第2の接合接点と接触している、接合インターフェースと、を備える、
統合半導体チップ。 - 前記第1の半導体構造は、
基板と、
前記基板上の前記1つまたは複数のプロセッサと、
前記基板上かつ前記1つまたは複数のプロセッサの外側の前記埋め込みDRAMセルのアレイと、
前記1つまたは複数のプロセッサおよび前記埋め込みDRAMセルのアレイの上の前記第1の接合層と、を含む、
請求項1に記載の統合半導体チップ。 - 前記第2の半導体構造は、
前記第1の接合層の上の前記第2の接合層と、
前記第2の接合層の上のメモリスタックと、
前記メモリスタックを通って垂直に延在する3次元(3D)NANDメモリストリングのアレイと、
前記3DNANDメモリストリングのアレイの上にあり、前記3DNANDメモリストリングのアレイと接触している半導体層と、を含む、
請求項2に記載の統合半導体チップ。 - 前記第2の半導体構造は、
前記第1の接合層の上の前記第2の接合層と、
前記第2の接合層の上の2次元(2D)NANDメモリセルのアレイと、
前記2DNANDメモリセルのアレイの上にあり、前記2DNANDメモリセルのアレイと接触している半導体層と、を含む、
請求項2に記載の統合半導体チップ。 - 前記半導体層の上にパッド出力相互接続層をさらに備える、
請求項3または4に記載の統合半導体チップ。 - 前記半導体層はポリシリコンを含む、
請求項3~5のいずれか一項に記載の統合半導体チップ。 - 前記半導体層は単結晶シリコンを含む、
請求項3~5のいずれか一項に記載の統合半導体チップ。 - 前記第2の半導体構造は、
基板と、
前記基板上のメモリスタックと、
前記メモリスタックを通って垂直に延在する3DNANDメモリストリングのアレイと、
前記メモリスタックおよび前記3DNANDメモリストリングのアレイの上の前記第2の接合層と、を含む、
請求項1に記載の統合半導体チップ。 - 前記第2の半導体構造は、
基板と、
前記基板上の2DNANDメモリセルのアレイと、
前記2DNANDメモリセルのアレイの上の前記第2の接合層と、を含む、
請求項1に記載の統合半導体チップ。 - 前記第1の半導体構造は、
前記第2の接合層の上の前記第1の接合層と、
前記第1の接合層の上の前記1つまたは複数のプロセッサと、
前記第1の接合層の上かつ前記1つまたは複数のプロセッサの外側の前記埋め込みDRAMセルのアレイと、
前記1つまたは複数のプロセッサおよび前記埋め込みDRAMセルのアレイの上にあり、前記1つまたは複数のプロセッサおよび前記埋め込みDRAMセルのアレイと接触している半導体層と、を含む、
請求項8または9に記載の統合半導体チップ。 - 前記半導体層の上にパッド出力相互接続層をさらに備える、
請求項10に記載の統合半導体チップ。 - 前記1つまたは複数のプロセッサおよび前記埋め込みDRAMセルのアレイは、互いに積み重ねられる、
請求項1に記載の統合半導体チップ。 - 各埋め込みDRAMセルは、トランジスタおよびコンデンサを含む、
請求項1~12のいずれか一項に記載の統合半導体チップ。 - 前記第1の半導体構造は、垂直方向における前記第1の接合層と前記1つまたは複数のプロセッサとの間に第1の相互接続層を含み、
前記第2の半導体構造は、垂直方向における前記第2の接合層と前記NANDメモリセルのアレイとの間に第2の相互接続層を含む、
請求項1~13のいずれか一項に記載の統合半導体チップ。 - 前記1つまたは複数のプロセッサは、前記第1および第2の相互接続層ならびに前記第1および第2の接合接点を介して、前記NANDメモリセルのアレイに電気的に接続される、
請求項14に記載の統合半導体チップ。 - 前記埋め込みDRAMセルのアレイは、前記第1および第2の相互接続層ならびに前記第1および第2の接合接点を介して、前記NANDメモリセルのアレイに電気的に接続される、
請求項14または15に記載の統合半導体チップ。 - 前記埋め込みDRAMセルのアレイは、前記第1の相互接続層を介して、前記1つまたは複数のプロセッサに電気的に接続される、
請求項14~16のいずれか一項に記載の統合半導体チップ。 - 前記1つまたは複数のプロセッサは、アプリケーションプロセッサおよびベースバンドプロセッサを含む、
請求項1~17のいずれか一項に記載の統合半導体チップ。 - 前記第1の半導体構造は、1つまたは複数のコントローラをさらに含む、
請求項1~18のいずれか一項に記載の統合半導体チップ。 - 前記第1の半導体構造は、前記NANDメモリセルのアレイの周辺回路をさらに含む、
請求項1~19のいずれか一項に記載の統合半導体チップ。 - 統合半導体チップを形成するための方法であって、
1つまたは複数のプロセッサと、埋め込みダイナミックランダムアクセスメモリ(DRAM)セルのアレイと、複数の第1の接合接点を含む第1の接合層とを含む第1の半導体構造を形成することと、
NANDメモリセルのアレイと、複数の第2の接合接点を含む第2の接合層とを含む第2の半導体構造を形成することと、
接合インターフェースにおいて前記第1の接合接点が前記第2の接合接点と接触するように、face-to-face方式で前記第1の半導体構造と前記第2の半導体構造とを接合することと、を含む、
方法。 - 前記第1の半導体構造を形成することは、
前記1つまたは複数のプロセッサおよび前記埋め込みDRAMセルのアレイを第1の基板上に形成することと、
前記1つまたは複数のプロセッサおよび前記埋め込みDRAMセルのアレイの上に第1の相互接続層を形成することと、
前記第1の相互接続層の上に前記第1の接合層を形成することと、を含む、
請求項21に記載の方法。 - 前記1つまたは複数のプロセッサおよび前記埋め込みDRAMセルのアレイを形成することは、
前記第1の基板上に複数のトランジスタを形成することと、
前記トランジスタのいくつかの上に、前記トランジスタのいくつかに接触して複数のコンデンサを形成することと、を含む、
請求項22に記載の方法。 - 前記第2の半導体構造を形成することは、
第2の基板の上にメモリスタックを形成することと、
前記メモリスタックを通って垂直に延在する3次元(3D)NANDメモリストリングのアレイを形成することと、
前記3DNANDメモリストリングのアレイの上に第2の相互接続層を形成することと、
前記第2の相互接続層の上に前記第2の接合層を形成することと、を含む、
請求項21~23のいずれか一項に記載の方法。 - 前記第2の半導体構造を形成することは、
第2の基板上に2次元(2D)NANDメモリセルのアレイを形成することと、
前記2DNANDメモリセルのアレイの上に第2の相互接続層を形成することと、
前記第2の相互接続層の上に前記第2の接合層を形成することと、を含む、
請求項21~23のいずれか一項に記載の方法。 - 前記第2の半導体構造は、前記第1の半導体構造と前記第2の半導体構造とを接合することの後に前記第1の半導体構造の上にある、
請求項21~25のいずれか一項に記載の方法。 - 前記第1の半導体構造と前記第2の半導体構造とを接合することの後に、
半導体層を形成するために前記第2の基板を薄くすることと、
前記半導体層の上にパッド出力相互接続層を形成することと、をさらに含む、
請求項26に記載の方法。 - 前記第1の半導体構造は、前記第1の半導体構造と前記第2の半導体構造とを接合することの後に前記第2の半導体構造の上にある、
請求項21~25のいずれか一項に記載の方法。 - 前記第1の半導体構造と前記第2の半導体構造とを接合することの後に、
半導体層を形成するために前記第1の基板を薄くすることと、
前記半導体層の上にパッド出力相互接続層を形成することと、をさらに含む、
請求項28に記載の方法。 - 前記第1の半導体構造と前記第2の半導体構造とを接合することは、ハイブリッド接合することを含む、
請求項21~29のいずれか一項に記載の方法。 - 前記1つまたは複数のプロセッサは、アプリケーションプロセッサおよびベースバンドプロセッサを含む、
請求項21~30のいずれか一項に記載の方法。 - 前記第1の半導体構造を形成することは、前記第1の基板上に1つまたは複数のコントローラを形成することをさらに含む、
請求項21~31のいずれか一項に記載の方法。 - 前記第1の半導体構造を形成することは、前記NANDメモリセルのアレイの周辺回路を前記第1の基板上に形成することをさらに含む、
請求項21~32のいずれか一項に記載の方法。 - 1つまたは複数のプロセッサと、埋め込みダイナミックランダムアクセスメモリ(DRAM)セルのアレイと、同じ接合チップ内のNANDメモリセルのアレイとを含む統合半導体チップを動作させるための方法であって、
前記1つまたは複数のプロセッサから前記埋め込みDRAMセルのアレイにデータを転送することと、
前記埋め込みDRAMセルのアレイ内に前記データをバッファリングすることと、
前記埋め込みDRAMセルのアレイから前記NANDメモリセルのアレイに前記データを格納することと、を含む、
方法。 - 複数の接合接点を介して、前記1つまたは複数のプロセッサと前記NANDメモリセルのアレイとの間で前記データを転送することをさらに含む、
請求項34に記載の方法。 - 前記複数の接合接点を介して、前記埋め込みDRAMセルのアレイと前記NANDメモリセルのアレイとの間で前記データを転送することをさらに含む、
請求項35に記載の方法。 - 前記埋め込みDRAMセルのアレイと前記NANDメモリセルのアレイとの間の前記データを転送することは、前記統合半導体チップの電源オンまたは電源オフに応答してトリガされる、
請求項36に記載の方法。 - モバイルデバイスであって、
ディスプレイと、
1つまたは複数のトランシーバと、
前記ディスプレイおよび前記1つまたは複数のトランシーバに動作可能に結合された統合半導体チップであって、
アプリケーションプロセッサと、ベースバンドプロセッサと、埋め込みダイナミックランダムアクセスメモリ(DRAM)セルのアレイと、複数の第1の接合接点を含む第1の接合層と、を含む第1の半導体構造と、
NANDメモリセルのアレイと、複数の第2の接合接点を含む第2の接合層と、を含む第2の半導体構造と、
前記第1の接合層と前記第2の接合層との間の接合インターフェースであって、前記第1の接合接点は前記接合インターフェースにおいて前記第2の接合接点と接触している、接合インターフェースと、を含み、
前記アプリケーションプロセッサは、前記ディスプレイによって提示されるデータを生成するように構成され、
前記ベースバンドプロセッサは、前記1つまたは複数のトランシーバのうちの少なくとも1つによって受信されたデータおよび前記少なくとも1つのトランシーバによって送信されるデータを処理するように構成される、統合半導体チップと、を含む、
モバイルデバイス。 - 前記アプリケーションプロセッサは、前記第1および前記第2の接合接点を介して前記NANDメモリセルのアレイとの間でデータを転送するようにさらに構成される、
請求項38に記載のモバイルデバイス。 - 前記第1の半導体構造は、前記ディスプレイの動作を制御するように構成されたディスプレイコントローラをさらに含む、
請求項38または39に記載のモバイルデバイス。 - 前記第1の半導体構造は、前記1つまたは複数のトランシーバのうちの少なくとも1つの動作を制御するように構成された通信コントローラをさらに含む、
請求項38~40のいずれか一項に記載のモバイルデバイス。 - 前記1つまたは複数のトランシーバは、Bluetoothトランシーバ、Wi-Fiトランシーバ、または全地球測位システム(GPS)トランシーバのうちの少なくとも1つを含み、
前記通信コントローラは、Bluetoothコントローラ、Wi-Fiコントローラ、またはGPSコントローラのうちの少なくとも1つを含む、
請求項41に記載のモバイルデバイス。 - 前記アプリケーションプロセッサはオンチップメモリを含まない、
請求項38~42のいずれか一項に記載のモバイルデバイス。
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EP3891798A4 (en) | 2022-09-28 |
KR20210113644A (ko) | 2021-09-16 |
EP3891798A1 (en) | 2021-10-13 |
EP3891788A4 (en) | 2022-10-26 |
EP3891788B1 (en) | 2024-10-23 |
TWI738056B (zh) | 2021-09-01 |
US20200350322A1 (en) | 2020-11-05 |
CN112510031A (zh) | 2021-03-16 |
WO2020220555A1 (en) | 2020-11-05 |
CN110546762A (zh) | 2019-12-06 |
US11302706B2 (en) | 2022-04-12 |
WO2020220484A1 (en) | 2020-11-05 |
EP3891788A1 (en) | 2021-10-13 |
US11631688B2 (en) | 2023-04-18 |
US20220093614A1 (en) | 2022-03-24 |
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