NL8220324A - Magnetisch registreermedium. - Google Patents

Magnetisch registreermedium. Download PDF

Info

Publication number
NL8220324A
NL8220324A NL8220324A NL8220324A NL8220324A NL 8220324 A NL8220324 A NL 8220324A NL 8220324 A NL8220324 A NL 8220324A NL 8220324 A NL8220324 A NL 8220324A NL 8220324 A NL8220324 A NL 8220324A
Authority
NL
Netherlands
Prior art keywords
magnetic
recording medium
range
layer
magnetic layer
Prior art date
Application number
NL8220324A
Other languages
English (en)
Dutch (nl)
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 JP56153299A external-priority patent/JPS5856229A/ja
Priority claimed from JP56153300A external-priority patent/JPS5856230A/ja
Application filed by Sony Corp filed Critical Sony Corp
Publication of NL8220324A publication Critical patent/NL8220324A/nl

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
    • G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
    • G11B5/716—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by two or more magnetic layers

Landscapes

  • Magnetic Record Carriers (AREA)
NL8220324A 1981-09-28 1982-09-27 Magnetisch registreermedium. NL8220324A (nl)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP56153299A JPS5856229A (ja) 1981-09-28 1981-09-28 磁気記録媒体
JP56153300A JPS5856230A (ja) 1981-09-28 1981-09-28 磁気記録媒体
JP15330081 1981-09-28
JP15329981 1981-09-28
PCT/JP1982/000390 WO1983001145A1 (en) 1981-09-28 1982-09-27 Magnetic recording medium
JP8200390 1982-09-27

Publications (1)

Publication Number Publication Date
NL8220324A true NL8220324A (nl) 1983-08-01

Family

ID=26481961

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8220324A NL8220324A (nl) 1981-09-28 1982-09-27 Magnetisch registreermedium.

Country Status (4)

Country Link
EP (1) EP0090053B1 (ja)
GB (1) GB2118070B (ja)
NL (1) NL8220324A (ja)
WO (1) WO1983001145A1 (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6052924A (ja) * 1983-09-02 1985-03-26 Tdk Corp 磁気記録媒体
JPS60124025A (ja) * 1983-12-06 1985-07-02 Fuji Photo Film Co Ltd 磁気記録媒体
DE19714161A1 (de) * 1997-04-05 1998-10-08 Emtec Magnetics Gmbh Magnetischer Aufzeichnungsträger

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE382274B (sv) * 1971-02-26 1976-01-19 Minnesota Mining & Mfg Magnetiskt inspelningsband och sett att framstella detsamma.
BE795896A (fr) * 1972-02-24 1973-08-23 Eastman Kodak Co Materiau pour l'enregistrement magnetique a plusieurs couches et son procede de preparation
JPS5630608B2 (ja) * 1973-08-27 1981-07-16
GB1504293A (en) * 1975-02-12 1978-03-15 Emi Ltd Method of forming magnetic media
JPS58100B2 (ja) * 1975-04-11 1983-01-05 富士写真フイルム株式会社 ジキキロクタイ
JPS5843815B2 (ja) * 1975-10-23 1983-09-29 富士写真フイルム株式会社 ジキキロクテ−プ
JPS5421304A (en) * 1977-07-18 1979-02-17 Fuji Photo Film Co Ltd Double layer magnetic recording tape
JPS5448504A (en) * 1977-09-21 1979-04-17 Tdk Corp Magnetic recording medium
GB2042370B (en) * 1980-02-06 1982-12-08 Tdk Electronics Co Ltd Magnetic recording medium

Also Published As

Publication number Publication date
EP0090053A4 (en) 1985-04-11
GB2118070B (en) 1985-08-14
GB2118070A (en) 1983-10-26
GB8313548D0 (en) 1983-06-22
EP0090053A1 (en) 1983-10-05
WO1983001145A1 (en) 1983-03-31
EP0090053B1 (en) 1987-06-24

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BV The patent application has lapsed