DE3483671D1 - Thermomagnetisches optisches aufzeichnungsverfahren. - Google Patents

Thermomagnetisches optisches aufzeichnungsverfahren.

Info

Publication number
DE3483671D1
DE3483671D1 DE8484901402T DE3483671T DE3483671D1 DE 3483671 D1 DE3483671 D1 DE 3483671D1 DE 8484901402 T DE8484901402 T DE 8484901402T DE 3483671 T DE3483671 T DE 3483671T DE 3483671 D1 DE3483671 D1 DE 3483671D1
Authority
DE
Germany
Prior art keywords
optical recording
recording method
thermomagnetic
thermomagnetic optical
recording
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE8484901402T
Other languages
English (en)
Inventor
Hitoshi Sony Corporatio Tamada
Masahiko Sony Corporati Kaneko
Tsutomu Sony Corporati Okamoto
Toshiro Sony Corporatio Yamada
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
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
Priority claimed from JP58055653A external-priority patent/JPS59180806A/ja
Priority claimed from JP14545783A external-priority patent/JPS6038783A/ja
Priority claimed from JP14545883A external-priority patent/JPS6038784A/ja
Application filed by Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of DE3483671D1 publication Critical patent/DE3483671D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • G11C11/14—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using thin-film elements
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/04—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam
    • G11C13/06—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam using magneto-optical elements
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C19/00—Digital stores in which the information is moved stepwise, e.g. shift registers
    • G11C19/02—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements
    • G11C19/08—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements using thin films in plane structure
    • G11C19/0808—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements using thin films in plane structure using magnetic domain propagation
    • G11C19/0833—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements using thin films in plane structure using magnetic domain propagation using magnetic domain interaction
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C19/00—Digital stores in which the information is moved stepwise, e.g. shift registers
    • G11C19/02—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements
    • G11C19/08—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements using thin films in plane structure
    • G11C19/0858—Generating, replicating or annihilating magnetic domains (also comprising different types of magnetic domains, e.g. "Hard Bubbles")
    • 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
    • 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
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G11B5/09—Digital recording

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
DE8484901402T 1983-03-31 1984-03-30 Thermomagnetisches optisches aufzeichnungsverfahren. Expired - Lifetime DE3483671D1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP58055653A JPS59180806A (ja) 1983-03-31 1983-03-31 熱磁気光記録方式におけるビツト移動方法
JP14545783A JPS6038783A (ja) 1983-08-09 1983-08-09 熱磁気光記録方法
JP14545883A JPS6038784A (ja) 1983-08-09 1983-08-09 熱磁気光記録方式におけるピツト移動方法
PCT/JP1984/000152 WO1984003991A1 (en) 1983-03-31 1984-03-30 Thermomagnetic optical recording method

Publications (1)

Publication Number Publication Date
DE3483671D1 true DE3483671D1 (de) 1991-01-10

Family

ID=27295660

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484901402T Expired - Lifetime DE3483671D1 (de) 1983-03-31 1984-03-30 Thermomagnetisches optisches aufzeichnungsverfahren.

Country Status (3)

Country Link
EP (1) EP0139021B1 (de)
DE (1) DE3483671D1 (de)
WO (1) WO1984003991A1 (de)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1386763A (en) * 1970-11-13 1975-03-12 Mullard Ltd Data storage methods
BE789634A (fr) * 1971-10-05 1973-04-03 Philips Nv Plaque magnetique comportant des parties amincies
BE791239A (fr) * 1971-11-12 1973-05-10 Philips Nv Memoire magnetique
JPS5129776B2 (de) * 1971-11-18 1976-08-27
US4117543A (en) * 1972-08-24 1978-09-26 Monsanto Company Magnetic bubble logic family
NL7301929A (de) * 1973-02-12 1974-08-14
JPS5023762A (de) * 1973-07-02 1975-03-14
JPS5817505A (ja) * 1981-07-22 1983-02-01 Sony Corp 光熱磁気トラツク移動方法

Also Published As

Publication number Publication date
EP0139021A4 (de) 1988-02-15
EP0139021A1 (de) 1985-05-02
EP0139021B1 (de) 1990-11-28
WO1984003991A1 (en) 1984-10-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee