NL188251B - MAGNETIC REGISTRATION MEDIUM. - Google Patents

MAGNETIC REGISTRATION MEDIUM.

Info

Publication number
NL188251B
NL188251B NLAANVRAGE8200654,A NL8200654A NL188251B NL 188251 B NL188251 B NL 188251B NL 8200654 A NL8200654 A NL 8200654A NL 188251 B NL188251 B NL 188251B
Authority
NL
Netherlands
Prior art keywords
registration medium
magnetic registration
magnetic
medium
registration
Prior art date
Application number
NLAANVRAGE8200654,A
Other languages
Dutch (nl)
Other versions
NL8200654A (en
NL188251C (en
Original Assignee
Fuji Photo Film Co Ltd
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 JP2352081A external-priority patent/JPS57138033A/en
Priority claimed from JP56043388A external-priority patent/JPS57158037A/en
Application filed by Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Publication of NL8200654A publication Critical patent/NL8200654A/en
Publication of NL188251B publication Critical patent/NL188251B/en
Application granted granted Critical
Publication of NL188251C publication Critical patent/NL188251C/en

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62Record carriers characterised by the selection of the material
    • G11B5/72Protective coatings, e.g. anti-static or antifriction
    • G11B5/725Protective coatings, e.g. anti-static or antifriction containing a lubricant, e.g. organic compounds
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62Record carriers characterised by the selection of the material
    • G11B5/73Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/84Processes or apparatus specially adapted for manufacturing record carriers
NL8200654A 1981-02-19 1982-02-18 Magnetic recording medium. NL188251C (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2352081A JPS57138033A (en) 1981-02-19 1981-02-19 Magnetic recording medium
JP2352081 1981-02-19
JP4338881 1981-03-24
JP56043388A JPS57158037A (en) 1981-03-24 1981-03-24 Magnetic recording medium and its manufacture

Publications (3)

Publication Number Publication Date
NL8200654A NL8200654A (en) 1982-09-16
NL188251B true NL188251B (en) 1991-12-02
NL188251C NL188251C (en) 1994-08-16

Family

ID=26360887

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8200654A NL188251C (en) 1981-02-19 1982-02-18 Magnetic recording medium.

Country Status (3)

Country Link
DE (1) DE3206109A1 (en)
GB (1) GB2096920B (en)
NL (1) NL188251C (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59119538A (en) * 1982-12-25 1984-07-10 Tdk Corp Magnetic recording medium
JPS61115237A (en) * 1984-11-12 1986-06-02 Victor Co Of Japan Ltd Magnetic recording medium
US4797303A (en) * 1985-09-04 1989-01-10 Unisys Corp. Surface lubricants for disc record
ATE97758T1 (en) * 1986-08-28 1993-12-15 Unisys Corp SURFACE LUBRICANTS FOR MEMORY SURFACE AND METHODS TO REDUCE THEIR WEAR.

Also Published As

Publication number Publication date
DE3206109C2 (en) 1991-03-14
GB2096920B (en) 1984-06-06
NL8200654A (en) 1982-09-16
NL188251C (en) 1994-08-16
DE3206109A1 (en) 1982-11-04
GB2096920A (en) 1982-10-27

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
R1B Notice of opposition during period of laying open
NP1G Patent granted (not automatically) [patent specification modified]
V1 Lapsed because of non-payment of the annual fee

Effective date: 19970901