DE2250382C3 - Magnetisches Speichermedium - Google Patents

Magnetisches Speichermedium

Info

Publication number
DE2250382C3
DE2250382C3 DE19722250382 DE2250382A DE2250382C3 DE 2250382 C3 DE2250382 C3 DE 2250382C3 DE 19722250382 DE19722250382 DE 19722250382 DE 2250382 A DE2250382 A DE 2250382A DE 2250382 C3 DE2250382 C3 DE 2250382C3
Authority
DE
Germany
Prior art keywords
layer
storage medium
magnetic storage
lubricant
acid
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
DE19722250382
Other languages
German (de)
English (en)
Other versions
DE2250382A1 (de
DE2250382B2 (de
Inventor
Heinrich Dr. 8034 Unterpfaffenhofen Kober
Bernhard Dr. 8023 Pullach Seidel
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
Priority to DE19722250382 priority Critical patent/DE2250382C3/de
Priority to NL7313590A priority patent/NL7313590A/xx
Priority to BE1005400A priority patent/BE805691A/xx
Priority to IT5305173A priority patent/IT994391B/it
Priority to GB4766873A priority patent/GB1416618A/en
Priority to FR7336577A priority patent/FR2203128B1/fr
Publication of DE2250382A1 publication Critical patent/DE2250382A1/de
Publication of DE2250382B2 publication Critical patent/DE2250382B2/de
Application granted granted Critical
Publication of DE2250382C3 publication Critical patent/DE2250382C3/de
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

Landscapes

  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
DE19722250382 1972-10-13 1972-10-13 Magnetisches Speichermedium Expired DE2250382C3 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DE19722250382 DE2250382C3 (de) 1972-10-13 1972-10-13 Magnetisches Speichermedium
NL7313590A NL7313590A (it) 1972-10-13 1973-10-03
BE1005400A BE805691A (nl) 1972-10-13 1973-10-05 Magnetisch registreermedium met hoge slijtvastheid
IT5305173A IT994391B (it) 1972-10-13 1973-10-11 Materiale stratiforme di memoria magnetica
GB4766873A GB1416618A (en) 1972-10-13 1973-10-12 Magnetic storage medium of high abrasion resistance
FR7336577A FR2203128B1 (it) 1972-10-13 1973-10-12

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
DE2250382A1 DE2250382A1 (de) 1974-05-02
DE2250382B2 DE2250382B2 (de) 1977-08-04
DE2250382C3 true DE2250382C3 (de) 1978-03-30

Family

ID=5859012

Family Applications (1)

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

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
NL7313590A (it) 1974-03-25
DE2250382A1 (de) 1974-05-02
FR2203128A1 (it) 1974-05-10
BE805691A (nl) 1974-04-05
FR2203128B1 (it) 1979-03-30
DE2250382B2 (de) 1977-08-04

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee