DE3206109A1 - Magnetisches aufzeichnungsmaterial und verfahren zu dessen herstellung - Google Patents

Magnetisches aufzeichnungsmaterial und verfahren zu dessen herstellung

Info

Publication number
DE3206109A1
DE3206109A1 DE19823206109 DE3206109A DE3206109A1 DE 3206109 A1 DE3206109 A1 DE 3206109A1 DE 19823206109 DE19823206109 DE 19823206109 DE 3206109 A DE3206109 A DE 3206109A DE 3206109 A1 DE3206109 A1 DE 3206109A1
Authority
DE
Germany
Prior art keywords
magnetic
recording material
magnetic recording
material according
compound
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.)
Granted
Application number
DE19823206109
Other languages
German (de)
English (en)
Other versions
DE3206109C2 (enrdf_load_stackoverflow
Inventor
Kyoichi Naruo
Yasuo Odawara Kanagawa Nishikawa
Tsutomu Fujinomiya Shizuoka Okita
Nobuyuki Yamamoto
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.)
Fujifilm Holdings Corp
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/ja
Priority claimed from JP56043388A external-priority patent/JPS57158037A/ja
Application filed by Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Publication of DE3206109A1 publication Critical patent/DE3206109A1/de
Application granted granted Critical
Publication of DE3206109C2 publication Critical patent/DE3206109C2/de
Granted 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
    • G11B5/72—Protective coatings, e.g. anti-static or antifriction
    • G11B5/725—Protective coatings, e.g. anti-static or antifriction containing a lubricant, e.g. organic compounds
    • 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
    • G11B5/73—Base 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
    • 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
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers

Landscapes

  • Magnetic Record Carriers (AREA)
  • Paints Or Removers (AREA)
DE19823206109 1981-02-19 1982-02-19 Magnetisches aufzeichnungsmaterial und verfahren zu dessen herstellung Granted DE3206109A1 (de)

Applications Claiming Priority (2)

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

Publications (2)

Publication Number Publication Date
DE3206109A1 true DE3206109A1 (de) 1982-11-04
DE3206109C2 DE3206109C2 (enrdf_load_stackoverflow) 1991-03-14

Family

ID=26360887

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19823206109 Granted DE3206109A1 (de) 1981-02-19 1982-02-19 Magnetisches aufzeichnungsmaterial und verfahren zu dessen herstellung

Country Status (3)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3346770A1 (de) * 1982-12-25 1984-07-05 TDK Corporation, Tokio/Tokyo Magnetaufzeichnungsmedium
DE3540077A1 (de) * 1984-11-12 1986-05-22 Victor Company Of Japan, Ltd., Yokohama, Kanagawa Magnetisches aufzeichnungsmedium, enthaltend ein oberflaechenbehandeltes schleifpulver

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4797303A (en) * 1985-09-04 1989-01-10 Unisys Corp. Surface lubricants for disc record
EP0279843B1 (en) * 1986-08-28 1993-11-24 Unisys Corporation Surface lubricants for recording surface and method of reducing their depletion

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Patents Abstracts of Japan 55-142 419(A) *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3346770A1 (de) * 1982-12-25 1984-07-05 TDK Corporation, Tokio/Tokyo Magnetaufzeichnungsmedium
DE3540077A1 (de) * 1984-11-12 1986-05-22 Victor Company Of Japan, Ltd., Yokohama, Kanagawa Magnetisches aufzeichnungsmedium, enthaltend ein oberflaechenbehandeltes schleifpulver

Also Published As

Publication number Publication date
GB2096920B (en) 1984-06-06
NL188251C (nl) 1994-08-16
DE3206109C2 (enrdf_load_stackoverflow) 1991-03-14
GB2096920A (en) 1982-10-27
NL8200654A (nl) 1982-09-16
NL188251B (nl) 1991-12-02

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Legal Events

Date Code Title Description
8128 New person/name/address of the agent

Representative=s name: KOHLER, M., DIPL.-CHEM. DR.RER.NAT., 8000 MUENCHEN

8128 New person/name/address of the agent

Representative=s name: SOLF, A., DR.-ING., 8000 MUENCHEN ZAPF, C., DIPL.-

8110 Request for examination paragraph 44
8125 Change of the main classification

Ipc: G11B 5/72

D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee