BR9509469A - Método e aparelho para armazenamento de dados utilizando elétrons de polarização rotativa - Google Patents

Método e aparelho para armazenamento de dados utilizando elétrons de polarização rotativa

Info

Publication number
BR9509469A
BR9509469A BR9509469A BR9509469A BR9509469A BR 9509469 A BR9509469 A BR 9509469A BR 9509469 A BR9509469 A BR 9509469A BR 9509469 A BR9509469 A BR 9509469A BR 9509469 A BR9509469 A BR 9509469A
Authority
BR
Brazil
Prior art keywords
conducting material
electrons
data storage
ultrathin film
rotating polarization
Prior art date
Application number
BR9509469A
Other languages
English (en)
Inventor
Scott A Halpine
Thomas D Hurt
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 BR9509469A publication Critical patent/BR9509469A/pt

Links

Classifications

    • 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
    • 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
    • G11B5/656—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition containing Co
    • 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
    • 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
    • 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
    • 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
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J31/00—Cathode ray tubes; Electron beam tubes
    • 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
    • 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
    • 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
    • G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
    • G11C11/16—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using elements in which the storage effect is based on magnetic spin effect
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
    • G11C7/005—Arrangements for writing information into, or reading information out from, a digital store with combined beam-and individual cell access
    • 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)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Computer Security & Cryptography (AREA)
  • Electron Beam Exposure (AREA)
  • Hall/Mr Elements (AREA)
  • Electron Sources, Ion Sources (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Mram Or Spin Memory Techniques (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Cold Cathode And The Manufacture (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
BR9509469A 1994-09-23 1995-09-21 Método e aparelho para armazenamento de dados utilizando elétrons de polarização rotativa BR9509469A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
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

Publications (1)

Publication Number Publication Date
BR9509469A true BR9509469A (pt) 1998-11-03

Family

ID=23208237

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9509469A BR9509469A (pt) 1994-09-23 1995-09-21 Método e aparelho para armazenamento de dados utilizando elétrons de polarização rotativa

Country Status (14)

Country Link
US (3) US5546337A (pt)
EP (2) EP0782745B1 (pt)
JP (2) JP3985033B2 (pt)
KR (2) KR100284237B1 (pt)
AT (1) ATE181171T1 (pt)
AU (2) AU704605B2 (pt)
BR (1) BR9509469A (pt)
CA (2) CA2234392A1 (pt)
DE (1) DE69510210T2 (pt)
DK (1) DK0782745T3 (pt)
ES (1) ES2134497T3 (pt)
MX (1) MX9702113A (pt)
RU (1) RU2153706C2 (pt)
WO (1) WO1996009626A1 (pt)

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US6304481B1 (en) * 1994-01-31 2001-10-16 Terastore, Inc. Method and apparatus for storing data using spin-polarized electrons
US6740889B1 (en) * 1998-09-28 2004-05-25 Applied Materials, Inc. Charged particle beam microscope with minicolumn
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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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Also Published As

Publication number Publication date
KR100312102B1 (ko) 2001-11-03
WO1996009626A1 (en) 1996-03-28
US5838020A (en) 1998-11-17
JP3985033B2 (ja) 2007-10-03
EP0867907A2 (en) 1998-09-30
JPH10506494A (ja) 1998-06-23
ES2134497T3 (es) 1999-10-01
MX9702113A (es) 1998-04-30
ATE181171T1 (de) 1999-06-15
DE69510210D1 (de) 1999-07-15
US6147894A (en) 2000-11-14
AU1425299A (en) 1999-04-15
CA2234392A1 (en) 1996-03-28
CA2200198A1 (en) 1996-03-28
JP4018261B2 (ja) 2007-12-05
RU2153706C2 (ru) 2000-07-27
US5546337A (en) 1996-08-13
DE69510210T2 (de) 1999-12-30
KR100284237B1 (ko) 2001-03-02
DK0782745T3 (da) 1999-11-15
EP0867907A3 (en) 1998-12-23
JPH11224484A (ja) 1999-08-17
AU704605B2 (en) 1999-04-29
EP0782745B1 (en) 1999-06-09
AU3637095A (en) 1996-04-09
EP0782745A1 (en) 1997-07-09

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