SG47601A1 - Data storage medium for storing data as a polarization of a data magnetic field & method & apparatus using spin-polarized electrons for storing the data - Google Patents

Data storage medium for storing data as a polarization of a data magnetic field & method & apparatus using spin-polarized electrons for storing the data

Info

Publication number
SG47601A1
SG47601A1 SG1996003057A SG1996003057A SG47601A1 SG 47601 A1 SG47601 A1 SG 47601A1 SG 1996003057 A SG1996003057 A SG 1996003057A SG 1996003057 A SG1996003057 A SG 1996003057A SG 47601 A1 SG47601 A1 SG 47601A1
Authority
SG
Singapore
Prior art keywords
data
storing
polarization
spin
magnetic field
Prior art date
Application number
SG1996003057A
Other languages
English (en)
Inventor
Thomas 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 SG47601A1 publication Critical patent/SG47601A1/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)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Hall/Mr Elements (AREA)
SG1996003057A 1994-01-31 1995-01-30 Data storage medium for storing data as a polarization of a data magnetic field & method & apparatus using spin-polarized electrons for storing the data SG47601A1 (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
SG47601A1 true SG47601A1 (en) 1998-04-17

Family

ID=22694701

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1996003057A SG47601A1 (en) 1994-01-31 1995-01-30 Data storage medium for storing data as a polarization of a data magnetic field & method & apparatus using spin-polarized electrons for storing the data

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
US6304481B1 (en) * 1994-01-31 2001-10-16 Terastore, Inc. Method and apparatus for storing data using spin-polarized electrons
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
WO1999063536A2 (en) 1998-06-05 1999-12-09 Massachusetts Institute Of Technology Very-high-density memory device utilizing a scintillating data-storage medium
DE69810626T2 (de) 1998-10-12 2003-09-18 International Business Machines Corp., Armonk Strukturierung des Magnetismus magnetischer Medien
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
JP4102280B2 (ja) * 2002-10-14 2008-06-18 三星電子株式会社 スピン分極電子を用いた磁性媒体及び磁性媒体への情報記録装置及び記録方法
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

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US2952503A (en) * 1955-06-13 1960-09-13 Trionics Corp Method and apparatus for magnetic recording and reproducing
NL229107A (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
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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
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Also Published As

Publication number Publication date
WO1995020814A1 (en) 1995-08-03
US5604706A (en) 1997-02-18
US5446687A (en) 1995-08-29
MY113836A (en) 2002-06-29
TW289100B (cs) 1996-10-21
AU1732795A (en) 1995-08-15
GB2286089A (en) 1995-08-02
PH30533A (en) 1997-07-10
GB9501756D0 (en) 1995-03-22
ZA95654B (en) 1995-12-07
IL112434A0 (en) 1995-03-30
GB2286089B (en) 1998-01-14

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