JPH10506494A - スピン分極電子を利用してデータを記憶するための方法および装置 - Google Patents
スピン分極電子を利用してデータを記憶するための方法および装置Info
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- JPH10506494A JPH10506494A JP8511065A JP51106596A JPH10506494A JP H10506494 A JPH10506494 A JP H10506494A JP 8511065 A JP8511065 A JP 8511065A JP 51106596 A JP51106596 A JP 51106596A JP H10506494 A JPH10506494 A JP H10506494A
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Classifications
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- G11B5/62—Record carriers characterised by the selection of the material
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- H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
- H01J31/58—Tubes for storage of image or information pattern or for conversion of definition of television or like images, i.e. having electrical input and electrical output
- H01J31/60—Tubes for storage of image or information pattern or for conversion of definition of television or like images, i.e. having electrical input and electrical output having means for deflecting, either selectively or sequentially, an electron ray on to separate surface elements of the screen
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Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Computer Security & Cryptography (AREA)
- Electron Beam Exposure (AREA)
- Hall/Mr Elements (AREA)
- Mram Or Spin Memory Techniques (AREA)
- Electron Sources, Ion Sources (AREA)
- Cold Cathode And The Manufacture (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Optical Recording Or Reproduction (AREA)
- Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.磁性材料を含む部材と、 電子のビームを発生する手段であって、該電子ビームは第1および第2の方向 の一方に共通の磁気分極を有し、前記ビームは前記部材の複数の部分の一個に向 けられるものと、 アドレス信号に応答して、前記ビームを前記部材の該アドレス信号に相当する 部分に向け、さらに電子ビームの波長を前記部材の前記部分が該電子ビームの磁 気分極に相当する磁気分極を担うように制御するための手段と、および 前記アドレス信号に応答して、前記部材の前記アドレス信号に相当する一部分 の分極を、該部分に前記ビームを向けることによって検出するための手段、 を含むことを特徴とする、データ記憶装置。 2.前記部材は、 基板と、および 前記基板上の、磁気材料の複数の原子層であって、一定数の該原子層は、前記 基板の表面に垂直な磁気異方性を有するもの、 とを含むことを特徴とする、請求項1に記載の装置。 3.前記層は、平均で3原子層の厚さを有し、かつ体心正方格子中に配置され たFeを含むことを特徴とする、請求項2に記載のデータ記憶装置。 4.前記部材は、周期律表の3遷移列中の少なくとも一個の金属を含むことを 特徴とする、請求項1に記載のデータ記憶装置。 5.前記部材は、Co、Ni、Ir、およびMoの内の少なくとも一個を含む ことを特徴とする、請求項1に記載のデータ記憶装置。 6.前記部材はさらに、アライメント領域を含むことを特徴とする、請求項1 に記載のデータ記憶装置。 7.前記アライメント領域は、前記層から電気的に絶縁された電導性材料を含 むことを特徴とする、請求項6に記載のデータ記憶装置。 8.前記部材は、平坦な表面を規定することを特徴とする、請求項1に記載の データ記憶装置。 9.前記部材と前記ビーム発生手段との間隙は、非電導性の環境であることを 特徴とする、請求項1に記載の装置。 10.前記検出手段は、 前記部分の分極方向が前記ビームの分極方向と反対である場合、前記ビームの 偏向と、および 前記部分の分極方向が前記ビームの分極方向と同じである場合、前記ビームの 引きつけ、とのうちの一方を検出する手段を含むことを特徴とする、請求項1に 記載の装置。 11.前記検出手段は、 前記部分の分極方向が前記ビームの分極方向と反対である場合に第1の特徴を 有し、前記部分の分極方向が前記ビームの分極方向と同じ場合第2の特徴を有す る、2次電子を形成する部分に、前記ビームを向けるための手段と、および 前記2次電子の前記第1または第2の特性を検出するための手段、 を含むことを特徴とする、請求項1に記載の装置。 12.前記検出手段は、前記2次電子のエネルギーおよびスピンの少なくとも 一方を検出するための手段を含むことを特徴とする、請求項11に記載の装置。 13.前記検出手段は、前記電子ビームの偏向を検出するように 構成された電導材料を含むことを特徴とする、請求項1に記載の機器。 14.前記検出手段は、2次電子を検出するように構成された電導材料を含む ことを特徴とする、請求項1に記載の機器。 15.磁気材料を有する部材と、および電子ビームを発生するための手段であ って、該電子ビームは第1および第2の方向の一方に共通の磁気分極を有し、前 記ビームは前記部材の複数の部分の一個に向けられるもの、とを含むシステムを 操作するための方法であって、該方法は、 アドレス信号を受信し、 前記部材の前記アドレス信号に相当する一部分に前記ビームを向け、さらに前 記電子ビームの波長を前記部材の前記部分が該電子ビームの磁気分極に相当する 磁気分極を担うように制御する、 各ステップを含むことを特徴とする、方法。 16.磁気材料を有する部材と、および電子ビームを発生するための手段であ って、該電子ビームは第1および第2の方向の一方に共通の磁気分極を有し、前 記ビームは前記部材の複数の部分の一個に向けられるもの、とを含むシステムを 操作するための方法であって、該方法は、 アドレス信号を受信し、 前記部材の前記アドレス信号に相当する一部分に前記ビームを向け、さらに前 記電子ビームの波長を前記部材の前記部分が該電子ビームの磁気分極に相当する 磁気分極を担うように制御し、さらに その後、前記部材の前記アドレス信号に相当する一部分の磁気分極を、前記ビ ームを前記部分に向ける事によって検出する、 各ステップを含むことを特徴とする、方法。 17.磁気材料中に分極方向としてデータを記憶するための方法 であって、当該方法は、 第1および第2のデータ値の一方に相当する分極方向を持った電子磁界を有す るスピン分極電子であって、前記磁気材料に磁気モーメントをもたらす不対電子 に特有の波長を有する電子を供給し、さらに、 非電導性の環境を介して、前記スピン分極電子を前記磁気材料の一部分に向け ることによって、当該部分に前記電子磁界の方向を付与する、 各ステップを含むことを特徴とする、方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/311,738 | 1994-09-23 | ||
US08/311,738 US5546337A (en) | 1994-01-31 | 1994-09-23 | Method and apparatus for storing data using spin-polarized electrons |
PCT/US1995/011991 WO1996009626A1 (en) | 1994-09-23 | 1995-09-21 | Method and apparatus for storing data using spin-polarized electrons |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP29378298A Division JP4018261B2 (ja) | 1994-09-23 | 1998-10-15 | スピン分極電子を生成するための電子放射装置およびスピン分極電子を生成するための方法 |
Publications (2)
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JPH10506494A true JPH10506494A (ja) | 1998-06-23 |
JP3985033B2 JP3985033B2 (ja) | 2007-10-03 |
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JP51106596A Expired - Lifetime JP3985033B2 (ja) | 1994-09-23 | 1995-09-21 | スピン分極電子を利用してデータを記憶するための方法および装置 |
JP29378298A Expired - Lifetime JP4018261B2 (ja) | 1994-09-23 | 1998-10-15 | スピン分極電子を生成するための電子放射装置およびスピン分極電子を生成するための方法 |
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JP29378298A Expired - Lifetime JP4018261B2 (ja) | 1994-09-23 | 1998-10-15 | スピン分極電子を生成するための電子放射装置およびスピン分極電子を生成するための方法 |
Country Status (14)
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US (3) | US5546337A (ja) |
EP (2) | EP0867907A3 (ja) |
JP (2) | JP3985033B2 (ja) |
KR (2) | KR100284237B1 (ja) |
AT (1) | ATE181171T1 (ja) |
AU (2) | AU704605B2 (ja) |
BR (1) | BR9509469A (ja) |
CA (2) | CA2234392A1 (ja) |
DE (1) | DE69510210T2 (ja) |
DK (1) | DK0782745T3 (ja) |
ES (1) | ES2134497T3 (ja) |
MX (1) | MX9702113A (ja) |
RU (1) | RU2153706C2 (ja) |
WO (1) | WO1996009626A1 (ja) |
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US6414808B1 (en) | 1998-10-12 | 2002-07-02 | International Business Machines Corporation | Patterning of magnetic media |
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US6740889B1 (en) * | 1998-09-28 | 2004-05-25 | Applied Materials, Inc. | Charged particle beam microscope with minicolumn |
US6061265A (en) * | 1998-12-23 | 2000-05-09 | Intel Corporation | Quantum magnetic memory |
US6388912B1 (en) | 2000-03-30 | 2002-05-14 | Intel Corporation | Quantum magnetic memory |
US6579635B2 (en) * | 2000-10-12 | 2003-06-17 | International Business Machines Corporation | Smoothing and stabilization of domain walls in perpendicularly polarized magnetic films |
US7085693B2 (en) * | 2001-06-19 | 2006-08-01 | International Business Machines Corporation | Manipulation of electronic media using off-line media |
US6639832B2 (en) | 2001-08-08 | 2003-10-28 | Intel Corporation | Quantum magnetic memory |
US8553517B2 (en) * | 2002-10-14 | 2013-10-08 | Samsung Electronics Co., Ltd. | Magnetic medium using spin-polarized electrons and apparatus and method of recording data on the magnetic medium |
DE10303589A1 (de) * | 2003-01-29 | 2004-08-12 | Bayer Cropscience Ag | Pyrazolylcarboxanilide |
US7985952B2 (en) * | 2007-03-05 | 2011-07-26 | Hitachi, Ltd. | Charged particle spin polarimeter, microscope, and photoelectron spectroscope |
JP5222712B2 (ja) * | 2008-12-22 | 2013-06-26 | 株式会社日立製作所 | 電子スピン検出器並びにそれを用いたスピン偏極走査電子顕微鏡及びスピン分解光電子分光装置 |
CN109308924B (zh) | 2018-08-10 | 2021-01-01 | 复旦大学 | 一种计算器件及其计算方法 |
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- 1995-09-21 MX MX9702113A patent/MX9702113A/es not_active IP Right Cessation
- 1995-09-21 ES ES95933879T patent/ES2134497T3/es not_active Expired - Lifetime
- 1995-09-21 DE DE69510210T patent/DE69510210T2/de not_active Expired - Fee Related
- 1995-09-21 DK DK95933879T patent/DK0782745T3/da active
- 1995-09-21 KR KR1019970701884A patent/KR100284237B1/ko not_active IP Right Cessation
- 1995-09-21 AT AT95933879T patent/ATE181171T1/de not_active IP Right Cessation
- 1995-09-21 CA CA002234392A patent/CA2234392A1/en not_active Abandoned
- 1995-09-21 RU RU97106554/28A patent/RU2153706C2/ru active
- 1995-09-21 BR BR9509469A patent/BR9509469A/pt not_active IP Right Cessation
- 1995-09-21 CA CA002200198A patent/CA2200198A1/en not_active Abandoned
- 1995-09-21 EP EP98109206A patent/EP0867907A3/en not_active Withdrawn
- 1995-09-21 WO PCT/US1995/011991 patent/WO1996009626A1/en active IP Right Grant
- 1995-09-21 EP EP95933879A patent/EP0782745B1/en not_active Expired - Lifetime
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1996
- 1996-05-01 US US08/641,418 patent/US5838020A/en not_active Expired - Lifetime
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1998
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1999
- 1999-01-29 AU AU14252/99A patent/AU1425299A/en not_active Abandoned
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US6414808B1 (en) | 1998-10-12 | 2002-07-02 | International Business Machines Corporation | Patterning of magnetic media |
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AU3637095A (en) | 1996-04-09 |
EP0782745B1 (en) | 1999-06-09 |
KR100284237B1 (ko) | 2001-03-02 |
BR9509469A (pt) | 1998-11-03 |
DE69510210T2 (de) | 1999-12-30 |
EP0867907A3 (en) | 1998-12-23 |
WO1996009626A1 (en) | 1996-03-28 |
US5838020A (en) | 1998-11-17 |
DK0782745T3 (da) | 1999-11-15 |
US5546337A (en) | 1996-08-13 |
DE69510210D1 (de) | 1999-07-15 |
EP0867907A2 (en) | 1998-09-30 |
CA2200198A1 (en) | 1996-03-28 |
US6147894A (en) | 2000-11-14 |
ATE181171T1 (de) | 1999-06-15 |
JP4018261B2 (ja) | 2007-12-05 |
RU2153706C2 (ru) | 2000-07-27 |
KR100312102B1 (ko) | 2001-11-03 |
AU704605B2 (en) | 1999-04-29 |
JPH11224484A (ja) | 1999-08-17 |
MX9702113A (es) | 1998-04-30 |
ES2134497T3 (es) | 1999-10-01 |
EP0782745A1 (en) | 1997-07-09 |
JP3985033B2 (ja) | 2007-10-03 |
AU1425299A (en) | 1999-04-15 |
CA2234392A1 (en) | 1996-03-28 |
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