GB1390563A - Information storage systems - Google Patents

Information storage systems

Info

Publication number
GB1390563A
GB1390563A GB5622972A GB5622972A GB1390563A GB 1390563 A GB1390563 A GB 1390563A GB 5622972 A GB5622972 A GB 5622972A GB 5622972 A GB5622972 A GB 5622972A GB 1390563 A GB1390563 A GB 1390563A
Authority
GB
United Kingdom
Prior art keywords
information storage
storage systems
dec
compounds
dyco
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
GB5622972A
Other languages
English (en)
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.)
Siemens Corp
Original Assignee
Siemens 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
Application filed by Siemens Corp filed Critical Siemens Corp
Publication of GB1390563A publication Critical patent/GB1390563A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C13/00Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/04Digital 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
    • G11C13/06Digital 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
GB5622972A 1971-12-21 1972-12-06 Information storage systems Expired GB1390563A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712163607 DE2163607B2 (de) 1971-12-21 1971-12-21 Magnetooptische Speicherschicht

Publications (1)

Publication Number Publication Date
GB1390563A true GB1390563A (en) 1975-04-16

Family

ID=5828730

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5622972A Expired GB1390563A (en) 1971-12-21 1972-12-06 Information storage systems

Country Status (7)

Country Link
BE (1) BE793138A (https=)
DE (1) DE2163607B2 (https=)
FR (1) FR2164638A1 (https=)
GB (1) GB1390563A (https=)
IT (1) IT971595B (https=)
LU (1) LU66699A1 (https=)
NL (1) NL7217290A (https=)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4464437A (en) * 1979-03-27 1984-08-07 U.S. Philips Corporation Magneto-optical memory element
US4799114A (en) * 1980-11-01 1989-01-17 Daidotokushuko Kabushiki Kaisha Thermomagnetic recording carrier and a method for thermomagnetic recording
US4822675A (en) * 1987-01-14 1989-04-18 Minnesota Mining And Manufacturing Company Stable magneto optic recording medium
GB2211861A (en) * 1987-10-30 1989-07-12 Pioneer Electronic Corp Memory medium and method for producing said medium
JPH0316049A (ja) * 1990-04-19 1991-01-24 Kokusai Denshin Denwa Co Ltd <Kdd> 光磁気記録媒体

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2077065B (en) * 1980-02-23 1985-01-09 Sharp Kk Magnetooptic memory medium
US4414650A (en) * 1980-06-23 1983-11-08 Sharp Kabushiki Kaisha Magneto-optic memory element
DE3348424C2 (de) * 1982-03-17 1996-06-27 Canon Kk Verfahren zur Herstellung eines magnetooptischen Aufzeichnungsmaterials
DE3348423C2 (de) * 1982-05-10 1994-11-17 Canon Kk Verwendung einer amorphen magnetischen quaternären GdTbFeCo-Legierung für die Herstellung einer magnetooptischen Aufzeichnungsschicht
JPS5961011A (ja) * 1982-09-30 1984-04-07 Ricoh Co Ltd 光磁気記録媒体
JPH0782670B2 (ja) * 1985-07-12 1995-09-06 株式会社日立製作所 光磁気記録媒体

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4464437A (en) * 1979-03-27 1984-08-07 U.S. Philips Corporation Magneto-optical memory element
US4799114A (en) * 1980-11-01 1989-01-17 Daidotokushuko Kabushiki Kaisha Thermomagnetic recording carrier and a method for thermomagnetic recording
US4822675A (en) * 1987-01-14 1989-04-18 Minnesota Mining And Manufacturing Company Stable magneto optic recording medium
GB2211861A (en) * 1987-10-30 1989-07-12 Pioneer Electronic Corp Memory medium and method for producing said medium
GB2211861B (en) * 1987-10-30 1992-01-29 Pioneer Electronic Corp Photomagnetic memory medium having a non-columnar structure
US5135819A (en) * 1987-10-30 1992-08-04 Pioneer Electronic Corporation Photomagnetic memory medium having a non-columnar structure
JPH0316049A (ja) * 1990-04-19 1991-01-24 Kokusai Denshin Denwa Co Ltd <Kdd> 光磁気記録媒体

Also Published As

Publication number Publication date
LU66699A1 (https=) 1973-02-19
DE2163607C3 (https=) 1975-11-20
DE2163607A1 (de) 1973-06-28
FR2164638A1 (https=) 1973-08-03
BE793138A (fr) 1973-04-16
DE2163607B2 (de) 1975-03-20
NL7217290A (https=) 1973-06-25
IT971595B (it) 1974-05-10

Similar Documents

Publication Publication Date Title
GB1390563A (en) Information storage systems
DE68917213D1 (de) Gesinterter Nd-Fe-B-Magnet und sein Herstellungsverfahren.
CA929838A (en) Heat-aged sintered cobalt-rare earth intermetallic product and process
GB1424861A (en) Magneto-optical memory device
CA932064A (en) Credit card and method of luminescent printing
JPS55115304A (en) Permanent magnet material
GB1280538A (en) Improvements in permanent magnet material powders
JPS52115000A (en) Material of permanent magnet
GB1235812A (en) Method of producing a film of a garnet
GB1313272A (en) Manufacture of magnetic materials
GB1324923A (en) Process for making permanent magnets
GB1154292A (en) Semi-Conductor Support
ES377414A1 (es) Metodo de reduccion de la fuerza coercitiva de un material magnetizable permanente.
GB1405119A (en) Ferromagnetic material
CA845605A (en) Rare earth activated lanthanum and lutetium oxy-chalcogenide phosphors
JPS51125622A (en) Process for producing permanent magnetic alloy
CA850567A (en) Rare earth activated yttrium and gadolinium oxy-chalcogenide phosphors
AU424019B2 (en) Rare earth activated yttrium and gadolinium oxy-chalcogenide phosphors
CA893660A (en) Growth of crystalline rare earth iron garnets and orthoferrites by vapor transport
JPS52149216A (en) Production of sintered magnet from rare earth elements-cobalt intermetallic compound
GB1436140A (en) Magnetic materials
JPS5382619A (en) Permanent magnet material
GB1367126A (en) Magnetic bubble domain system
CA950639A (en) Method of manufacturing an oxide of yttrium and/or the rare earth metals
FR2034113A1 (en) Semipermant hall effect memory matrix

Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees