CA977867A - Opto-magnetic memory - Google Patents

Opto-magnetic memory

Info

Publication number
CA977867A
CA977867A CA156,300A CA156300A CA977867A CA 977867 A CA977867 A CA 977867A CA 156300 A CA156300 A CA 156300A CA 977867 A CA977867 A CA 977867A
Authority
CA
Canada
Prior art keywords
opto
magnetic memory
magnetic
memory
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
Application number
CA156,300A
Other languages
English (en)
Other versions
CA156300S (en
Inventor
Frederik A. De Jonge
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of CA977867A publication Critical patent/CA977867A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G5/00—Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
    • G03G5/16—Layers for recording by changing the magnetic properties, e.g. for Curie-point-writing
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Record Carriers (AREA)
  • Thin Magnetic Films (AREA)
CA156,300A 1971-11-13 1972-11-14 Opto-magnetic memory Expired CA977867A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7115633.A NL164692C (nl) 1971-11-13 1971-11-13 Magnetisch domeingeheugen met thermische inschrijving.

Publications (1)

Publication Number Publication Date
CA977867A true CA977867A (en) 1975-11-11

Family

ID=19814474

Family Applications (1)

Application Number Title Priority Date Filing Date
CA156,300A Expired CA977867A (en) 1971-11-13 1972-11-14 Opto-magnetic memory

Country Status (8)

Country Link
US (1) US3836895A (nl)
JP (1) JPS5129777B2 (nl)
BE (1) BE791317A (nl)
CA (1) CA977867A (nl)
FR (1) FR2159402B1 (nl)
GB (1) GB1396147A (nl)
NL (1) NL164692C (nl)
SE (1) SE388064B (nl)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3940750A (en) * 1973-03-26 1976-02-24 International Business Machines Corporation Wall topology storage system
US4052710A (en) * 1973-09-07 1977-10-04 International Business Machines Corporation Systems using lattice arrays of interactive elements
US3913079A (en) * 1974-01-02 1975-10-14 Ibm Magnetic bubble domain pump shift register
US3979737A (en) * 1974-09-20 1976-09-07 Westinghouse Electric Corporation Bistable magnetic bubble domain devices
US4040039A (en) * 1975-08-11 1977-08-02 Sperry Rand Corporation Single wall domain latrix for optical data processing system
JPS5432714A (en) * 1977-08-17 1979-03-10 Yokogawa Hokushin Electric Corp Dc drive linear motor
US4872078A (en) * 1986-04-24 1989-10-03 International Business Machines Corporation Method and apparatus for encoding and direct overwriting of magneto-optic data

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE791239A (fr) * 1971-11-12 1973-05-10 Philips Nv Memoire magnetique
US3786452A (en) * 1972-09-28 1974-01-15 Bell Telephone Labor Inc Single wall domain generator

Also Published As

Publication number Publication date
JPS5129777B2 (nl) 1976-08-27
US3836895A (en) 1974-09-17
FR2159402A1 (nl) 1973-06-22
NL7115633A (nl) 1973-05-15
JPS4859740A (nl) 1973-08-22
DE2252734A1 (de) 1973-05-17
NL164692C (nl) 1981-01-15
BE791317A (fr) 1973-05-14
GB1396147A (en) 1975-06-04
SE388064B (sv) 1976-09-20
NL164692B (nl) 1980-08-15
DE2252734B2 (de) 1976-06-10
FR2159402B1 (nl) 1976-10-29

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