PH30533A - Data storage medium for storing data as a polarization of a data magnetic field and method and apparatus using spin-polarized electrons for storing the data onto the data storage medium and reading the stored data therefrom - Google Patents

Data storage medium for storing data as a polarization of a data magnetic field and method and apparatus using spin-polarized electrons for storing the data onto the data storage medium and reading the stored data therefrom

Info

Publication number
PH30533A
PH30533A PH49853A PH49853A PH30533A PH 30533 A PH30533 A PH 30533A PH 49853 A PH49853 A PH 49853A PH 49853 A PH49853 A PH 49853A PH 30533 A PH30533 A PH 30533A
Authority
PH
Philippines
Prior art keywords
data
storage medium
storing
data storage
polarization
Prior art date
Application number
PH49853A
Other languages
English (en)
Inventor
Thomad D Hurt
Scott A Halpine
Original Assignee
Terastore Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Terastore Inc filed Critical Terastore Inc
Publication of PH30533A publication Critical patent/PH30533A/en

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/64—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent
    • G11B5/65—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition
    • G11B5/653—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition containing Fe or Ni
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/11—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam, e.g. of electrons or X-rays other than a beam of light or a magnetic field for recording
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/115—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam,e.g. of electrons or X-rays other than a beam of light for reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/04—Arrangements for preventing, inhibiting, or warning against double recording on the same blank or against other recording or reproducing malfunctions
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1883—Methods for assignment of alternate areas for defective areas
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/28—Indicating or preventing prior or unauthorised use, e.g. cassettes with sealing or locking means, write-protect devices for discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B9/00—Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor
    • G11B9/10—Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor using electron beam; Record carriers therefor
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
    • G11C11/23—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using electrostatic storage on a common layer, e.g. Forrester-Haeff tubes or William tubes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J3/00—Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
    • H01J3/02—Electron guns
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B13/00—Recording simultaneously or selectively by methods covered by different main groups among G11B3/00, G11B5/00, G11B7/00 and G11B9/00; Record carriers therefor not otherwise provided for; Reproducing therefrom not otherwise provided for
    • G11B13/04—Recording simultaneously or selectively by methods covered by different main groups among G11B3/00, G11B5/00, G11B7/00 and G11B9/00; Record carriers therefor not otherwise provided for; Reproducing therefrom not otherwise provided for magnetically or by magnetisation and optically or by radiation, for changing or sensing optical properties
    • G11B13/045—Recording simultaneously or selectively by methods covered by different main groups among G11B3/00, G11B5/00, G11B7/00 and G11B9/00; Record carriers therefor not otherwise provided for; Reproducing therefrom not otherwise provided for magnetically or by magnetisation and optically or by radiation, for changing or sensing optical properties combined recording by magnetic and optic means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2203/00—Electron or ion optical arrangements common to discharge tubes or lamps
    • H01J2203/02—Electron guns
    • H01J2203/0296—Spin-polarised beams
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
    • H01J2237/06—Sources
    • H01J2237/063—Electron sources
    • H01J2237/06383—Spin polarised electron sources

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Hall/Mr Elements (AREA)
PH49853A 1994-01-31 1995-01-27 Data storage medium for storing data as a polarization of a data magnetic field and method and apparatus using spin-polarized electrons for storing the data onto the data storage medium and reading the stored data therefrom PH30533A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/188,828 US5446687A (en) 1994-01-31 1994-01-31 Data storage medium for storing data as a polarization of a data magnetic field and method and apparatus using spin-polarized electrons for storing the data onto the data storage medium and reading the stored data therefrom

Publications (1)

Publication Number Publication Date
PH30533A true PH30533A (en) 1997-07-10

Family

ID=22694701

Family Applications (1)

Application Number Title Priority Date Filing Date
PH49853A PH30533A (en) 1994-01-31 1995-01-27 Data storage medium for storing data as a polarization of a data magnetic field and method and apparatus using spin-polarized electrons for storing the data onto the data storage medium and reading the stored data therefrom

Country Status (10)

Country Link
US (2) US5446687A (cs)
AU (1) AU1732795A (cs)
GB (1) GB2286089B (cs)
IL (1) IL112434A0 (cs)
MY (1) MY113836A (cs)
PH (1) PH30533A (cs)
SG (1) SG47601A1 (cs)
TW (1) TW289100B (cs)
WO (1) WO1995020814A1 (cs)
ZA (1) ZA95654B (cs)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5546337A (en) * 1994-01-31 1996-08-13 Terastore, Inc. Method and apparatus for storing data using spin-polarized electrons
US5446687A (en) * 1994-01-31 1995-08-29 Terastore, Inc. Data storage medium for storing data as a polarization of a data magnetic field and method and apparatus using spin-polarized electrons for storing the data onto the data storage medium and reading the stored data therefrom
US6304481B1 (en) * 1994-01-31 2001-10-16 Terastore, Inc. Method and apparatus for storing data using spin-polarized electrons
WO1999063536A2 (en) 1998-06-05 1999-12-09 Massachusetts Institute Of Technology Very-high-density memory device utilizing a scintillating data-storage medium
EP0994465B1 (en) * 1998-10-12 2003-01-08 International Business Machines Corporation Patterning of the magnetic structure of magnetic media
US6388912B1 (en) * 2000-03-30 2002-05-14 Intel Corporation Quantum magnetic memory
US6639832B2 (en) * 2001-08-08 2003-10-28 Intel Corporation Quantum magnetic memory
US7276254B2 (en) * 2002-05-07 2007-10-02 Xerox Corporation Emulsion/aggregation polymeric microspheres for biomedical applications and methods of making same
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
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

Family Cites Families (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2952503A (en) * 1955-06-13 1960-09-13 Trionics Corp Method and apparatus for magnetic recording and reproducing
DE1068918B (cs) * 1957-06-27
US3094699A (en) * 1959-03-03 1963-06-18 Ibm System for magnetically recording data
US3238511A (en) * 1960-09-29 1966-03-01 Litton Systems Inc Subatomic resonance storage and recording process and article
US3573753A (en) * 1968-08-01 1971-04-06 Gen Electric Information storage and retrieval employing an electron beam
US3641510A (en) * 1970-01-02 1972-02-08 Gen Electric Beam addressable mass storage using thin film with bistable electrical conductivity
US3710352A (en) * 1970-03-13 1973-01-09 Micro Bit Corp High speed-large storage capability electron beam accessed memory method and apparatus
US3693003A (en) * 1970-11-19 1972-09-19 Gen Electric Storage target for an electron-beam addressed read, write and erase memory
US3760383A (en) * 1971-07-01 1973-09-18 Gen Electric Erration storage system with collimated electron beam for minimal spherical ab
US3750117A (en) * 1971-09-30 1973-07-31 Gen Electric Electron beam addressable archival memory
US3949387A (en) * 1972-08-29 1976-04-06 International Business Machines Corporation Beam addressable film using amorphous magnetic material
US4122530A (en) * 1976-05-25 1978-10-24 Control Data Corporation Data management method and system for random access electron beam memory
US4068218A (en) * 1976-10-04 1978-01-10 Micro-Bit Corporation Method and apparatus for deep depletion read-out of MOS electron beam addressable memories
US4412264A (en) * 1979-10-22 1983-10-25 Kokusai Denshin Denwa Co., Ltd. Magneto-optic recording medium
US4324854A (en) * 1980-03-03 1982-04-13 California Institute Of Technology Deposition of metal films and clusters by reactions of compounds with low energy electrons on surfaces
CH652510A5 (en) * 1980-12-23 1985-11-15 Hans Christoph Siegmann Prof D Method for measuring the spin polarisation of electron beams
US4424580A (en) * 1981-05-06 1984-01-03 Precision Echo Method and apparatus for generating electron spin reversal in ferrimagnetic material
JPS58222453A (ja) * 1982-06-18 1983-12-24 Fuji Photo Film Co Ltd 記録再生方法
US4534016A (en) * 1983-07-08 1985-08-06 The United States Of America As Represented By The Secretary Of The Air Force Beam addressed memory system
JPS6122452A (ja) * 1984-07-09 1986-01-31 Kokusai Denshin Denwa Co Ltd <Kdd> 光磁気記録媒体
DE3447208A1 (de) * 1984-12-22 1986-06-26 Bayer Ag, 5090 Leverkusen Verfahren zum auslesen von informationen aus elektrisch polarisierbaren datentraegern mittels elektronenstrahlen
CA1254385A (en) * 1985-07-26 1989-05-23 Noboru Sato Magneto-optical recording medium having amorphous artificially layered structure of rare earth element and transition metal element
JPH0756068B2 (ja) * 1986-06-19 1995-06-14 住友軽金属工業株式会社 耳率が小さく強度と延性に優れたアルミニウム硬質板の製造方法
JPS634444A (ja) * 1986-06-23 1988-01-09 Hitachi Ltd 磁気メモリ装置
DE3724617A1 (de) * 1986-07-25 1988-01-28 Fuji Photo Film Co Ltd Aufzeichnungsmedium und verfahren zur durchfuehrung der aufzeichnung/wiedergabe unter verwendung des aufzeichnungsmediums
US4760567A (en) * 1986-08-11 1988-07-26 Electron Beam Memories Electron beam memory system with ultra-compact, high current density electron gun
JPS63271795A (ja) * 1987-04-29 1988-11-09 Sony Corp 記録装置
JPH01199341A (ja) * 1988-02-03 1989-08-10 Nikon Corp 磁性層間の交換総合力が制御されたオーバーライト可能な光磁気記録媒体
US4823177A (en) * 1988-06-30 1989-04-18 United States Of America As Represented By The Secretary Of The Navy Method and device for magnetizing thin films by the use of injected spin polarized current
EP0355241A1 (en) * 1988-08-18 1990-02-28 International Business Machines Corporation Spin-polarized scanning tunneling microscope
CA2021582A1 (en) * 1989-08-30 1991-03-01 Harris A. Goldberg Scanning tunneling microscope utilizing optical fluorescent for reading
US5161147A (en) * 1989-08-30 1992-11-03 Hoechst Celanese Corp. High speed information system utilizing scanning tunneling microscopy in conjunction with a modulated light source
DE4008022A1 (de) * 1990-03-09 1991-09-12 Ferrotronic Engineering Gmbh I Nichtfluechtiges speichersystem
US5116693A (en) * 1990-05-22 1992-05-26 The United States Of America As Represented By The United States Department Of Energy Unique system of FE/PD for magneto-optical recording and magnetic switching devices
US5173873A (en) * 1990-06-28 1992-12-22 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration High speed magneto-resistive random access memory
DE4039105C2 (de) * 1990-12-07 1994-12-08 Roland Man Druckmasch Vorrichtung zur bildmäßigen Beschreibung einer Druckform
US5166919A (en) * 1991-07-11 1992-11-24 International Business Machines Corporation Atomic scale electronic switch
US5138174A (en) * 1991-07-16 1992-08-11 E. I. Du Pont De Nemours And Company Nanometer-scale structures and lithography
US5161149A (en) * 1991-07-22 1992-11-03 The Johns Hopkins University Electron density storage device and method using STM
US5216661A (en) * 1991-07-22 1993-06-01 The Johns Hopkins University Electron density storage device using a stm
US5122663A (en) * 1991-07-24 1992-06-16 International Business Machine Corporation Compact, integrated electron beam imaging system
US5446687A (en) * 1994-01-31 1995-08-29 Terastore, Inc. Data storage medium for storing data as a polarization of a data magnetic field and method and apparatus using spin-polarized electrons for storing the data onto the data storage medium and reading the stored data therefrom

Also Published As

Publication number Publication date
IL112434A0 (en) 1995-03-30
US5604706A (en) 1997-02-18
MY113836A (en) 2002-06-29
SG47601A1 (en) 1998-04-17
AU1732795A (en) 1995-08-15
TW289100B (cs) 1996-10-21
ZA95654B (en) 1995-12-07
GB2286089B (en) 1998-01-14
GB9501756D0 (en) 1995-03-22
WO1995020814A1 (en) 1995-08-03
GB2286089A (en) 1995-08-02
US5446687A (en) 1995-08-29

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