JP2005514784A - 電気機械式3トレースジャンクション装置 - Google Patents
電気機械式3トレースジャンクション装置 Download PDFInfo
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Abstract
Description
本願は次の特許願に関連する。
米国特許願09/915173「ナノチューブ技術で構成されたセル選択回路を有した電気機械式メモリ」2001年7月25日出願
米国特許願09/915095「ナノチューブ電気機械式メモリを有したハイブリッド回路」2001年7月25日出願
発明の背景
1.技術分野
本発明は非揮発性メモリ装置に関し、特に電気機械式ナノチューブ技術を利用した非揮発性メモリアレイに関する。
典型的なメモリ装置には“ON”または“OFF”状態を備えたシングルビットメモリセルが関与する。1ビットメモリ保存は“ON”または“OFF”条件で決定される。ビット数はそれぞれのメモリアレイのメモリセル数によって決定される。例えば、n個のビットを保存する装置はn個のメモリセルを有する必要がある。メモリセル数を増加させるためには、メモリアレイの全体サイズを増大させるか、それぞれのメモリ要素のサイズを減少させなければならない。メモリセル密度の増加は、ミクロンサイズの要素の製造からナノメータサイズの線描まで進歩したリトグラフ技術によって達成された。
本発明は3トレース電気機械回路とその使用方法を提供する。
本発明の好適実施例は新規な電気機械回路要素とその製造方法とを提供する。特に3トレースナノチューブ技術装置が示されており、その製造方法が解説されている。3トレースの使用は、(1)さらに大きなメモリ保存及び/又は情報密度を達成する三安定論理の提供、(2)当該要素やセルのスイッチング信頼性と速度の改善、及び(3)要素またはセルの故障耐久性の改善を提供する。さらに、実施例によっては3トレースジャンクションを効果的に収納し、使用、製造及び流通を可能にする。特にハイブリッド回路の場合に効果は顕著である。
追加実施例
一般的に、前述のサイズは近年の製造技術に関して説明されたものである。それらより小型または大型のものも本発明の想定内である。
Claims (45)
- 回路であって、
第1導電要素と、
第2導電要素と、
第1導電要素と第2導電要素との間に提供されたナノチューブリボンと、
を含んで構成され、ナノチューブリボンは第1導電要素と第2導電要素の少なくとも一方とナノチューブリボンに適用された電気刺激に対応して第1導電要素と第2導電要素の少なくとも一方側に移動できることを特徴とする回路。 - 第1導電要素と第2導電要素とナノチューブリボンは長軸を有しており、ナノチューブリボンの長軸は第1導電要素と第2導電要素の長軸と高さするように提供されていることを特徴とする請求項1記載の回路。
- 第1導電要素と第2導電要素は平行であることを特徴とする請求項2記載の回路。
- ナノチューブリボンの長軸は第1導電要素と第2導電要素の長軸と直交することを特徴とする請求項3記載の回路。
- 両導電要素はドープされたシリコントレースであることを特徴とする請求項1記載の回路。
- ナノチューブリボンはナノチューブの不織布であることを特徴とする請求項1記載の回路。
- ナノチューブリボンはナノチューブの単層であることを特徴とする請求項1記載の回路。
- 回路アレイであって、
複数の下方導電要素と複数の下方支持体とを有した下方構造体と、
複数の上方導電要素と複数の上方支持体とを有した上方構造体と、
上下両構造体間に提供され、両構造体と接触状態にある複数のナノチューブリボンと、
を含んで構成され、各ナノチューブボンは複数の上下導電要素の長軸と交差する長軸を有しており、各ナノチューブリボンと各導電要素との交差部は回路セルを提供し、両導電要素の少なくとも一方とナノチューブリボンに適用される電気刺激に対応してナノチューブリボンは回路セル内で可動であることを特徴とする回路アレイ。 - 上方支持体は下方支持体と垂直整合であることを特徴とする請求項8記載の回路アレイ。
- 上方導電要素は下方導電要素と垂直整合であることを特徴とする請求項8記載の回路アレイ。
- 上方導電要素は下方導電要素と非垂直整合であることを特徴とする請求項8記載の回路アレイ。
- 下方導電要素は下方支持体間に提供され、上方導電要素は少なくとも幅の一部を上方支持体上に配置し、少なくとも幅の異なる部分を上方支持体から突出させていることを特徴とする請求項8記載の回路アレイ。
- 上方導電要素と下方導電要素は平行であり、ナノチューブリボンは両導電要素と直交することを特徴とする請求項8記載の回路アレイ。
- 上方導電要素の突出縁部は対応する下方導電要素上で半幅分だけ広がることを特徴とする請求項12記載の回路アレイ。
- 上下導電要素は同一幅と同一長であることを特徴とする請求項8記載の回路アレイ。
- 上方支持体は絶縁材料製であることを特徴とする請求項8記載の回路アレイ。
- 下方支持体は絶縁材料製であることを特徴とする請求項8記載の回路アレイ。
- 下方支持体は下方構造体の主表面から突出した絶縁材料の列であることを特徴とする請求項8記載の回路アレイ。
- 下方支持体は下方構造体の主表面から突出した絶縁材料の柱であることを特徴とする請求項8記載の回路アレイ。
- 上方支持体は上方構造体の主表面から突出した絶縁材料の列であることを特徴とする請求項8記載の回路アレイ。
- 上方支持体は上方構造体の主表面から突出した絶縁材料の柱であることを特徴とする請求項8記載の回路アレイ。
- 下方導電要素は隣接する下方支持体と接触していることを特徴とする請求項8記載の回路アレイ。
- 上方導電要素は隣接する上方支持体と接触していることを特徴とする請求項8記載の回路アレイ。
- 下方導電要素は隣接する下方支持体から分離されていることを特徴とする請求項8記載の回路アレイ。
- 上方導電要素は隣接する上方支持体から分離されているいることを特徴とする請求項8記載の回路アレイ。
- 上方構造体はゲート誘電層を含んでいることを特徴とする請求項8記載の回路アレイ。
- 下方構造体はゲート誘電層を含んでいることを特徴とする請求項8記載の回路アレイ。
- 上方導電体はドープされたシリコン製であることを特徴とする請求項8記載の回路アレイ。
- 下方導電体はドープされたシリコン製であることを特徴とする請求項8記載の回路アレイ。
- 上方導電体はスピン・オン・グラス製であることを特徴とする請求項8記載の回路アレイ。
- 下方導電体はスピン・オン・グラス製であることを特徴とする請求項8記載の回路アレイ。
- 上方導電体は窒化ケイ素製であることを特徴とする請求項8記載の回路アレイ。
- 下方導電体は窒化ケイ素製であることを特徴とする請求項8記載の回路アレイ。
- 上方導電体はポリイミド製であることを特徴とする請求項8記載の回路アレイ。
- 上方導電体は低融点金属製であることを特徴とする請求項8記載の回路アレイ。
- 回路であって、
第1導電要素と、
第2導電要素と、
第1導電要素と第2導電要素との間に提供された電気機械的反応性要素と、
を含んで構成され、ナノチューブリボンは第1導電要素と第2導電要素の少なくとも一方とナノチューブリボンに適用された電気刺激に対応して第1導電要素と第2導電要素の少なくとも一方側に移動できることを特徴とする回路。 - 電気機械的反応性要素はナノチューブであることを特徴とする請求項36記載の回路。
- 回路アレイであって、
複数の下方導電要素と複数の下方支持体とを有した下方構造体と、
複数の上方導電要素と複数の上方支持体とを有した上方構造体と、
上下両構造体間に提供され、両構造体と接触状態にある複数の電気機械的反応性要素と、
を含んで構成され、各電気機械的反応性要素は複数の上下導電要素の長軸と交差する長軸を有しており、各電気機械的反応性要素と各導電要素との交差部は回路セルを提供し、両導電要素の少なくとも一方と電気機械的反応性要素に適用される電気刺激に対応して電気機械的反応性要素は回路セル内で可動であることを特徴とする回路アレイ。 - 電気機械的反応性要素はナノチューブであることを特徴とする請求項38記載の回路アレイ。
- 第1導電要素と、第2導電要素と、両導電要素間に提供されたナノチューブリボンとを有した回路セルを利用する方法であって、
第1導電要素と第2導電要素の少なくとも一方とナノチューブリボンに対して電気刺激を適用し、ナノチューブリボンを両導電要素の少なくとも一方側に移動させるステップと、
両導電要素の少なくとも一方とナノチューブリボンからの電気信号を検出して回路セルの電気状態を判定するステップと、
を含んで成る方法。 - ナノチューブリボンが第1導電要素側に移動すれば電気状態は第1状態であり、ナノチューブリボンが第2導電要素側に移動すれば電気状態は第2状態であり、ナノチューブリボンが両導電要素間に存在すれば電気状態は第3状態であり、第1、第2及び第3状態はそれぞれ異なる情報コード化に対応することを特徴とする請求項40記載の方法。
- 電気刺激は第1及び第2導電要素の両方に適用され、両要素はナノチューブリボンを移動させることを特徴とする請求項40記載の方法。
- 第1及び第2導電要素は故障耐久的に利用されることを特徴とする請求項40記載の方法。
- 電気刺激はナノチューブリボンを第1又は第2導電要素と電気的に接触する位置に移動させることを特徴とする請求項40記載の方法。
- 回路セルはベース-2メモリセルとして使用されることを特徴とする請求項40記載の方法。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/033,323 US6911682B2 (en) | 2001-12-28 | 2001-12-28 | Electromechanical three-trace junction devices |
| PCT/US2002/040852 WO2003058652A2 (en) | 2001-12-28 | 2002-12-19 | Electromechanical three-trace junction devices |
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| JP2005514784A true JP2005514784A (ja) | 2005-05-19 |
| JP4643145B2 JP4643145B2 (ja) | 2011-03-02 |
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| US (1) | US6911682B2 (ja) |
| EP (2) | EP2108493A1 (ja) |
| JP (1) | JP4643145B2 (ja) |
| AU (1) | AU2002364966A1 (ja) |
| CA (1) | CA2471378A1 (ja) |
| DE (1) | DE60233073D1 (ja) |
| TW (3) | TWI303421B (ja) |
| WO (1) | WO2003058652A2 (ja) |
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- 2002-12-19 EP EP02802582A patent/EP1459334B1/en not_active Expired - Lifetime
- 2002-12-19 CA CA002471378A patent/CA2471378A1/en not_active Abandoned
- 2002-12-19 AU AU2002364966A patent/AU2002364966A1/en not_active Abandoned
- 2002-12-19 JP JP2003558875A patent/JP4643145B2/ja not_active Expired - Fee Related
- 2002-12-19 DE DE60233073T patent/DE60233073D1/de not_active Expired - Lifetime
- 2002-12-19 WO PCT/US2002/040852 patent/WO2003058652A2/en not_active Ceased
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| WO2006137455A1 (ja) * | 2005-06-22 | 2006-12-28 | Matsushita Electric Industrial Co., Ltd. | 電気機械メモリ、それを用いた電気回路及び電気機械メモリの駆動方法 |
| US7710768B2 (en) | 2005-06-22 | 2010-05-04 | Panasonic Corporation | Electromechanical memory, electric circuit using the same, and method of driving electromechanical memory |
| JP2007005622A (ja) * | 2005-06-24 | 2007-01-11 | Toshiba Corp | 半導体装置 |
| KR100723412B1 (ko) | 2005-11-10 | 2007-05-30 | 삼성전자주식회사 | 나노튜브를 이용하는 비휘발성 메모리 소자 |
| JP2007134678A (ja) * | 2005-11-10 | 2007-05-31 | Samsung Electronics Co Ltd | ナノチューブを用いる不揮発性メモリ素子 |
| JP2007158332A (ja) * | 2005-12-01 | 2007-06-21 | Internatl Business Mach Corp <Ibm> | メモリ構造体およびメモリ構造体動作方法 |
| JP2006092746A (ja) * | 2005-12-26 | 2006-04-06 | Kenji Sato | カーボンナノチューブを用いた記憶素子 |
| JP2008042170A (ja) * | 2006-08-07 | 2008-02-21 | Samsung Electronics Co Ltd | 非揮発性メモリ素子及びその製造方法 |
| JP2010515241A (ja) * | 2006-08-08 | 2010-05-06 | ナンテロ,インク. | メモリ素子およびクロスポイントスイッチと不揮発性ナノチューブブロックとを使用したそのアレイ |
| US9666272B2 (en) | 2009-08-06 | 2017-05-30 | Nantero Inc. | Resistive change element arrays using resistive reference elements |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2002364966A8 (en) | 2003-07-24 |
| TW200413249A (en) | 2004-08-01 |
| TWI313669B (en) | 2009-08-21 |
| DE60233073D1 (de) | 2009-09-03 |
| EP1459334A4 (en) | 2007-05-23 |
| JP4643145B2 (ja) | 2011-03-02 |
| EP1459334A2 (en) | 2004-09-22 |
| AU2002364966A1 (en) | 2003-07-24 |
| TW200413248A (en) | 2004-08-01 |
| EP2108493A1 (en) | 2009-10-14 |
| CA2471378A1 (en) | 2003-07-17 |
| TW200307941A (en) | 2003-12-16 |
| WO2003058652A2 (en) | 2003-07-17 |
| US6911682B2 (en) | 2005-06-28 |
| EP1459334B1 (en) | 2009-07-22 |
| TWI303421B (en) | 2008-11-21 |
| TWI307330B (en) | 2009-03-11 |
| US20030124325A1 (en) | 2003-07-03 |
| WO2003058652A3 (en) | 2004-07-08 |
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