JP2005056554A - データ記憶デバイス及びデータ記憶デバイス内のデータを読み出す方法 - Google Patents
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Abstract
【解決手段】 伝導障壁214と、サスペンション機構202上に取り付けられたプローブチップ208と、伝導障壁214を通り抜ける電子の流れを放出するためにサスペンション機構202に結合された電圧源204と、放出される電子の流れの大きさを検知するための検知機構220〜224とを備える。電子の流れの大きさは、プローブチップと検知機構との間の距離に基づいている。
【選択図】 図2
Description
E/(2.1Eg+1.3) ……… (1)
ただし、Egは伝導領域224のバンドギャップであり、そのエネルギーの測定単位は電子ボルトである。
s/d=μEτ1/d=τ1τd ……… (2)
ただし、S=μEτ1は、再結合前の「衝突による行程(Schubweg)」すなわち平均自由行程であり、μは移動度であり、τlは再結合寿命であり、τdは電気的コンタクト220,222間の移動時間であり、dは電気的コンタクト220,222間の距離である。
202,302,402 サスペンション機構
204,304,404 電圧源
208,308,408 プローブチップ
210,310,410 ビット
214,伝導障壁
220,222,314,316,420 コンタクト
224,318 伝導領域
Claims (10)
- (A) 伝導障壁と、
(B) サスペンション機構上に取り付けられたプローブチップと、
(C) 前記伝導障壁を通り抜ける電子の流れを放出するために前記サスペンション機構に結合された電圧源と、
(D) 放出される電子の流れの大きさを検知するための検知機構と、
を備え、
前記電子の流れの大きさは、前記プローブチップと前記検知機構との間の距離に基づいていること、
を特徴とするデータ記憶デバイス。 - 前記検知機構は、
(E) 前記伝導障壁に結合された伝導領域と、
(F) 前記プローブチップから放出される電子の流れによって前記伝導領域内に誘導される電流をモニタするために前記伝導領域に結合された少なくとも2つの電気的コンタクトと、
をさらに備えることを特徴とする請求項1に記載のデータ記憶デバイス。 - 前記伝導領域は、陰極伝導性材料を含むことを特徴とする請求項2に記載のデータ記憶デバイス。
- 前記少なくとも2つの電気的コンタクトは、前記伝導領域に対して垂直に配列されることを特徴とする請求項2に記載のデータ記憶デバイス。
- 前記伝導障壁は、ポリマー材料からなる少なくとも1つの層をさらに備えることを特徴とする請求項1に記載のデータ記憶デバイス。
- データ記憶デバイス内のデータを読み出す方法であって、
(a) データ記憶媒体を含む伝導障壁を配設するステップと、
(b) サスペンション機構を介して前記伝導障壁にわたってプローブチップを吊り下げた状態で支持するステップと、
(c) 前記サスペンション機構に結合された電圧源から前記伝導障壁を通り抜ける電子の流れを放出するステップと、
(d) 検知機構を用いて、前記電圧源から放出される電子の流れの大きさを検知するステップと、
を含み、
前記電子の流れの前記大きさは、前記プローブチップと前記検知機構との間の距離に基づいていること、
を特徴とする方法。 - 前記電子の流れの前記大きさを検知するステップは、
(e) 前記伝導障壁に伝導領域を結合するステップと、
(f) 前記電圧源から放出される電子によって前記伝導領域内に誘導される電流をモニタするために前記伝導領域に少なくとも2つの電気的コンタクトを結合するステップと、
をさらに含むことを特徴とする請求項6に記載の方法。 - 前記伝導領域は、陰極伝導性材料を含む請求項7に記載の方法。
- 前記伝導領域に少なくとも2つの電気的コンタクトを結合するステップは、前記伝導領域に少なくとも2つの電気的コンタクトを垂直方向に結合するステップをさらに含むことを特徴とする請求項7に記載の方法。
- 前記サスペンション機構に伝導領域を組み込むステップをさらに含むことを特徴とする請求項6に記載の方法。
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US10/632,251 US7133351B2 (en) | 2003-08-01 | 2003-08-01 | Data storage device and a method of reading data in a data storage device |
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JP2005056554A true JP2005056554A (ja) | 2005-03-03 |
JP4234077B2 JP4234077B2 (ja) | 2009-03-04 |
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US (1) | US7133351B2 (ja) |
JP (1) | JP4234077B2 (ja) |
DE (1) | DE102004012031B4 (ja) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
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US7260051B1 (en) * | 1998-12-18 | 2007-08-21 | Nanochip, Inc. | Molecular memory medium and molecular memory integrated circuit |
US20020138301A1 (en) * | 2001-03-22 | 2002-09-26 | Thanos Karras | Integration of a portal into an application service provider data archive and/or web based viewer |
US7233517B2 (en) * | 2002-10-15 | 2007-06-19 | Nanochip, Inc. | Atomic probes and media for high density data storage |
US20050157575A1 (en) * | 2003-12-03 | 2005-07-21 | International Business Machines Corporation | Storage device and method |
US20050243660A1 (en) * | 2004-04-16 | 2005-11-03 | Rust Thomas F | Methods for erasing bit cells in a high density data storage device |
US20050243592A1 (en) * | 2004-04-16 | 2005-11-03 | Rust Thomas F | High density data storage device having eraseable bit cells |
US7212488B2 (en) * | 2005-03-21 | 2007-05-01 | Hewlett-Packard Development Company, L.P. | Method and device enabling capacitive probe-based data storage readout |
US20070041237A1 (en) * | 2005-07-08 | 2007-02-22 | Nanochip, Inc. | Media for writing highly resolved domains |
US7463573B2 (en) * | 2005-06-24 | 2008-12-09 | Nanochip, Inc. | Patterned media for a high density data storage device |
US20070008867A1 (en) * | 2005-07-08 | 2007-01-11 | Nanochip, Inc. | High density data storage devices with a lubricant layer comprised of a field of polymer chains |
US20070008865A1 (en) * | 2005-07-08 | 2007-01-11 | Nanochip, Inc. | High density data storage devices with polarity-dependent memory switching media |
US20070008866A1 (en) * | 2005-07-08 | 2007-01-11 | Nanochip, Inc. | Methods for writing and reading in a polarity-dependent memory switch media |
US20080001075A1 (en) * | 2006-06-15 | 2008-01-03 | Nanochip, Inc. | Memory stage for a probe storage device |
US20080175033A1 (en) * | 2007-01-19 | 2008-07-24 | Nanochip, Inc. | Method and system for improving domain stability in a ferroelectric media |
US20080174918A1 (en) * | 2007-01-19 | 2008-07-24 | Nanochip, Inc. | Method and system for writing and reading a charge-trap media with a probe tip |
US20080233672A1 (en) * | 2007-03-20 | 2008-09-25 | Nanochip, Inc. | Method of integrating mems structures and cmos structures using oxide fusion bonding |
Family Cites Families (6)
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US4575822A (en) * | 1983-02-15 | 1986-03-11 | The Board Of Trustees Of The Leland Stanford Junior University | Method and means for data storage using tunnel current data readout |
EP0304893B1 (en) * | 1987-08-25 | 1995-07-19 | Canon Kabushiki Kaisha | Encoder |
CA2000071C (en) * | 1988-10-04 | 1997-01-28 | Haruki Kawada | Recording and reproducing apparatus and recording and reproducing method and recording medium for the recording and reproducing method |
JPH06187675A (ja) * | 1992-09-25 | 1994-07-08 | Canon Inc | 情報処理装置、及びそれを用いる情報処理方法 |
US5856967A (en) | 1997-08-27 | 1999-01-05 | International Business Machines Corporation | Atomic force microscopy data storage system with tracking servo from lateral force-sensing cantilever |
US6519221B1 (en) | 1999-11-12 | 2003-02-11 | Massachusetts Institute Of Technology | High-density data storage using atomic force microscope |
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2003
- 2003-08-01 US US10/632,251 patent/US7133351B2/en not_active Expired - Fee Related
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- 2004-03-11 DE DE102004012031A patent/DE102004012031B4/de not_active Expired - Fee Related
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Publication number | Publication date |
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JP4234077B2 (ja) | 2009-03-04 |
US20050025034A1 (en) | 2005-02-03 |
DE102004012031B4 (de) | 2008-05-08 |
DE102004012031A1 (de) | 2005-03-10 |
US7133351B2 (en) | 2006-11-07 |
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