JP2006524905A - メモリ回路構造およびその製造方法 - Google Patents
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- G11C5/025—Geometric lay-out considerations of storage- and peripheral-blocks in a semiconductor storage device
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Abstract
Description
・導電性接着接続部
・導電性溶接接続部
・導電性ボンディング接続部
・例えば、EP 0 610 709 A1に記載の、溶媒を含んだ混合物を硬化させることにより製造された接続部、または
・メモリセル用基板、または論理回路用基板を貫通する金属化接続部(参照:DE 199 04 751 C1)
本実施形態では、基板間の接続部の数は、ワード線の数および/またはビット線の数に応じて決まる。したがって、例えば、接続部の数は、1000以上、2000以上、または3000以上であり、メモリセルアレイの記憶容量に応じて決まる。
・メモリセルアレイ16、18、
・ワード線ドライバトランジスタ20、22、
・ビット線ドライバトランジスタ24、
・ワード線復号回路34、
・チャージポンプ36、および
・センサアレイ44の、センサおよび変換器を搭載している。
・制御回路38、
・プロセッサ40、および
・暗号化コプロセッサ42を搭載している。
・メモリセルアレイ16、18、
・ワード線ドライバトランジスタ20、22、
・ビット線ドライバトランジスタ24、
・チャージポンプ36、および
・センサアレイ44のセンサおよび変換器が形成されている。
・ワード線復号回路30、32、
・論理回路34、
・制御回路38、
・プロセッサ40、および
・暗号化コプロセッサ42が形成されている。
・ONO積層(酸化物/窒化物/酸化物)に基づいて、特にデータ保存時間に関して、誘電定数の高い誘電体を実現するという課題、
・これらの誘電体用の異方性エッチング方法、特に、異方性イオンエッチング方法、を使用できるようにするという課題、および
・側壁酸化を実現する、例えば、誘電体が結晶化するという課題である。
・データ保存時間に影響を与える転位による、シリコンの過度の使用における課題。
Claims (9)
- 複数のメモリセルを有する集積メモリセルアレイ(16)が搭載されてなるメモリセルアレイ用基板(52)と、
メモリセルへのアクセスを制御し、メモリ回路構造の基本的機能を実現する少なくとも1つの集積論理回路(30、38)が搭載されてなる論理回路用基板(54)とを備え、
上記論理回路用基板(54)は、上記メモリセルアレイ用基板(52)とは異なる基板であることを特徴とするメモリ回路構造(10)。 - 上記メモリセルアレイ用基板(52)の何れの表面も、該メモリセルアレイ用基板(52)のみを囲むように配置されており、上記論理回路用基板(54)を囲むようには配置されておらず、かつ/または上記メモリセルは、揮発性メモリセル、または不揮発性メモリセル、特にフラッシュメモリセルであることを特徴とする、請求項1に記載のメモリ回路構造(10)。
- 上記論理回路用基板(54)は、さらに、メモリセルアレイ(16)のメモリセルの内容の読み出し順序および/または書き込み順序および/または消去順序を制御するための制御回路(38)、および/または上記メモリセルの記憶状態を検出可能な検出アンプ回路(34)を搭載してなることを特徴とする請求項1または2に記載のメモリ回路構造(10)。
- 上記論理回路用基板(54)は、少なくとも1つの復号回路(30、34)を含んでおり、上記復号回路は、アドレスデータに基づいて、上記メモリセルアレイ(16)の複数のメモリセルに接続されている選択線、特に、上記メモリセルアレイ(16)のメモリセルの中の所定の行に配されたメモリセルに接続されたワード線および/またはメモリセルアレイ(16)のメモリセルのうちの所定の列に配置されたメモリセルに接続されたビット線を選択し、かつ/または各選択線に対応して設けられた上記セルアレイ用基板(52)と上記論理回路基板(54)との間の導電性接続部により選択されることを特徴とする、請求項1ないし3のいずれか1項に記載のメモリ回路構造(10)。
- 上記論理回路用基板(54)は、少なくとも1つのプロセッサ(40、42)の回路構造を搭載しており、上記プロセッサ(40、42)は、プログラム命令の処理に適しており、特に、上記メモリセルアレイに格納されたプログラム命令の処理に適しており、特に、動作中に暗号化プログラムのプログラム命令、特にメモリセルアレイ(16)に格納されたプログラム命令、を実行する暗号化プロセッサ(42)であり、かつ/または
上記メモリセルアレイ用基板(52)は、少なくとも1つのアナログ回路、特に、電圧検出ユニットおよび/または電流検出ユニット(44)および/または少なくとも1つのアナログデジタル変換器ユニットおよび/またはデジタル/アナログ変換器ユニットが搭載されてなることを特徴とする、請求項1ないし4のいずれか1項に記載のメモリ回路構造(10)。 - 上記メモリセルアレイ用基板(52)の主領域と、論理回路用基板(54)の主領域とは、互いに平行に、好ましくは主領域の法線方向に重なり合って配された2つの平面上に設けられており、または
上記メモリセルアレイ用基板の主領域は、上記論理回路用基板の主領域を横断するように設けられていることを特徴とする、請求項1ないし5のいずれか1項に記載のメモリ回路構造(10)。 - 回路構造、特に、請求項1ないし6のいずれか1項に記載の集積回路構造(10)の製造方法であって、
メモリセルアレイ用基板(52)に集積メモリセルアレイ(16)を形成する第1工程と、
上記集積メモリセルアレイ用基板(52)と離れた位置に配置される論理回路用基板(54)に、上記メモリセルアレイ(16)の基本的機能を実現する集積論理回路を形成する第1工程とは異なる第2工程と、
メモリ回路構造(10、50)を形成するために、上記集積メモリセルアレイ(52)と上記集積論理用回路(54)とを配置する工程とを含み、上記各工程の実施順序は限定されないことを特徴とする集積回路構造(10)の製造方法。 - 上記第1工程は、
さらに、1μmまたは2μmよりも深いトレンチを形成する工程と、
6ボルト以上の電圧で、特に、端部において上記6ボルト以上の電圧に適したドーピング勾配を有する少なくとも1つのn型ウェルまたはn型層および/または少なくとも1つのp型ウェルまたはp型層を形成する工程と、
トンネル酸化物を形成する工程と、
2つの酸化物層の間に絶縁性電極を形成する工程と、
上記絶縁性電極上の選択された電極を除去する工程と、
50nmよりも厚い酸化物領域を形成する工程と、
6ボルトよりも高い電圧でチャネル接続領域を形成する工程とのうち、少なくとも1つの上記第2工程には含まれない工程を含んでおり、かつ/または
上記第2工程は、
さらに、深さが1μm、または0.5μmよりも浅い、浅いトレンチを形成する工程と、
5ボルトまたは2.5ボルトよりも低い電圧で、少なくとも1つのn型ウェルまたはn型層および/または少なくとも1つのp型ウェルまたはp型層を形成する工程と、
5ボルトまたは2.5ボルトよりも低い電圧で、チャネル接続領域を形成する工程と、
第1工程よりも多くの少なくとも1つの金属化層を形成する工程とのうち、少なくとも1つの工程を含んでおり、上記少なくとも1つの工程は、上記第1工程には含まれていないことを特徴とする、請求項7に記載の製造方法。 - 高速チップ実装技術または3D集積方法を用いて、メモリセルアレイ用基板(52)と論理回路用基板(54)とを配置することを特徴とする、請求項7または8に記載の製造方法。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10319271A DE10319271A1 (de) | 2003-04-29 | 2003-04-29 | Speicher-Schaltungsanordnung und Verfahren zur Herstellung |
| PCT/EP2004/050322 WO2004097838A2 (de) | 2003-04-29 | 2004-03-17 | Speicher-schaltungsanordnung und verfahren zur herstellung |
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| Publication Number | Publication Date |
|---|---|
| JP2006524905A true JP2006524905A (ja) | 2006-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2006500119A Pending JP2006524905A (ja) | 2003-04-29 | 2004-03-17 | メモリ回路構造およびその製造方法 |
Country Status (6)
| Country | Link |
|---|---|
| US (5) | US7460385B2 (ja) |
| EP (1) | EP1618570B1 (ja) |
| JP (1) | JP2006524905A (ja) |
| CN (1) | CN100538867C (ja) |
| DE (2) | DE10319271A1 (ja) |
| WO (1) | WO2004097838A2 (ja) |
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| US20100210076A1 (en) | 2010-08-19 |
| DE502004008318D1 (de) | 2008-12-04 |
| WO2004097838A3 (de) | 2005-02-24 |
| CN100538867C (zh) | 2009-09-09 |
| US20060077723A1 (en) | 2006-04-13 |
| EP1618570A2 (de) | 2006-01-25 |
| US8004869B2 (en) | 2011-08-23 |
| CN1781155A (zh) | 2006-05-31 |
| US8105874B2 (en) | 2012-01-31 |
| EP1618570B1 (de) | 2008-10-22 |
| WO2004097838A2 (de) | 2004-11-11 |
| DE10319271A1 (de) | 2004-11-25 |
| US20090052219A1 (en) | 2009-02-26 |
| US20090053854A1 (en) | 2009-02-26 |
| US20080239863A1 (en) | 2008-10-02 |
| US7460385B2 (en) | 2008-12-02 |
| US7764530B2 (en) | 2010-07-27 |
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Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20090330 |
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| A911 | Transfer to examiner for re-examination before appeal (zenchi) |
Free format text: JAPANESE INTERMEDIATE CODE: A911 Effective date: 20090508 |
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| A912 | Re-examination (zenchi) completed and case transferred to appeal board |
Free format text: JAPANESE INTERMEDIATE CODE: A912 Effective date: 20090619 |
