FR2203128B1 - - Google Patents

Info

Publication number
FR2203128B1
FR2203128B1 FR7336577A FR7336577A FR2203128B1 FR 2203128 B1 FR2203128 B1 FR 2203128B1 FR 7336577 A FR7336577 A FR 7336577A FR 7336577 A FR7336577 A FR 7336577A FR 2203128 B1 FR2203128 B1 FR 2203128B1
Authority
FR
France
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
FR7336577A
Other languages
French (fr)
Other versions
FR2203128A1 (it
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.)
Agfa Gevaert AG
Original Assignee
Agfa Gevaert AG
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 Agfa Gevaert AG filed Critical Agfa Gevaert AG
Publication of FR2203128A1 publication Critical patent/FR2203128A1/fr
Application granted granted Critical
Publication of FR2203128B1 publication Critical patent/FR2203128B1/fr
Expired 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
    • 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
    • G11B5/71—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 the lubricant
FR7336577A 1972-10-13 1973-10-12 Expired FR2203128B1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722250382 DE2250382C3 (de) 1972-10-13 1972-10-13 Magnetisches Speichermedium

Publications (2)

Publication Number Publication Date
FR2203128A1 FR2203128A1 (it) 1974-05-10
FR2203128B1 true FR2203128B1 (it) 1979-03-30

Family

ID=5859012

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7336577A Expired FR2203128B1 (it) 1972-10-13 1973-10-12

Country Status (6)

Country Link
BE (1) BE805691A (it)
DE (1) DE2250382C3 (it)
FR (1) FR2203128B1 (it)
GB (1) GB1416618A (it)
IT (1) IT994391B (it)
NL (1) NL7313590A (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4071460A (en) * 1976-09-10 1978-01-31 Ball Brothers Research Corporation Lubricants comprising dialkanolamine derivatives
DE2759812C2 (de) * 1977-11-17 1986-05-28 Ball Brothers Research Corp., Boulder, Col. Aufzeichnungsmedium
DE2914659A1 (de) 1979-04-11 1980-10-23 Agfa Gevaert Ag Magnetisches speichermedium und verfahren zu dessen herstellung
DE3125567C2 (de) * 1981-06-30 1986-11-06 Agfa-Gevaert Ag, 5090 Leverkusen Verfahren zur Dispergierung von nadelförmigen magnetischen Pigmenten in einem polymeren Bindemittel unter Verwendung von organischen Borverbindungen als Dispergatoren
DE3438092A1 (de) * 1984-10-18 1986-04-24 Basf Ag, 6700 Ludwigshafen Magnetische aufzeichnungstraeger
JPH0715748B2 (ja) * 1985-02-27 1995-02-22 日立マクセル株式会社 磁気記録媒体
JPS61198424A (ja) * 1985-02-27 1986-09-02 Hitachi Maxell Ltd 磁気記録媒体

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4831611B1 (it) * 1970-04-07 1973-10-01

Also Published As

Publication number Publication date
IT994391B (it) 1975-10-20
GB1416618A (en) 1975-12-03
DE2250382C3 (de) 1978-03-30
NL7313590A (it) 1974-03-25
DE2250382A1 (de) 1974-05-02
FR2203128A1 (it) 1974-05-10
BE805691A (nl) 1974-04-05
DE2250382B2 (de) 1977-08-04

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Legal Events

Date Code Title Description
ST Notification of lapse