DE3210482A1 - Magnetischer aufzeichnungstraeger - Google Patents

Magnetischer aufzeichnungstraeger

Info

Publication number
DE3210482A1
DE3210482A1 DE19823210482 DE3210482A DE3210482A1 DE 3210482 A1 DE3210482 A1 DE 3210482A1 DE 19823210482 DE19823210482 DE 19823210482 DE 3210482 A DE3210482 A DE 3210482A DE 3210482 A1 DE3210482 A1 DE 3210482A1
Authority
DE
Germany
Prior art keywords
magnetic recording
recording medium
magnetic
ketone
ferromagnetic particles
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.)
Ceased
Application number
DE19823210482
Other languages
German (de)
English (en)
Inventor
Hitoshi Nagano Azegami
Hiroshi Saku Nagano Kawahara
Fujio Komoro Nagano Shibata
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.)
TDK Corp
Original Assignee
Tdk Electronics Co Ltd Tokyo
TDK 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
Application filed by Tdk Electronics Co Ltd Tokyo, TDK Corp filed Critical Tdk Electronics Co Ltd Tokyo
Publication of DE3210482A1 publication Critical patent/DE3210482A1/de
Ceased 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/90—Magnetic feature
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31678—Of metal

Landscapes

  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
DE19823210482 1981-03-23 1982-03-22 Magnetischer aufzeichnungstraeger Ceased DE3210482A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4046481A JPS57158026A (en) 1981-03-23 1981-03-23 Magnetic recording medium

Publications (1)

Publication Number Publication Date
DE3210482A1 true DE3210482A1 (de) 1982-11-25

Family

ID=12581351

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19823210482 Ceased DE3210482A1 (de) 1981-03-23 1982-03-22 Magnetischer aufzeichnungstraeger

Country Status (3)

Country Link
US (1) US4391877A (enExample)
JP (1) JPS57158026A (enExample)
DE (1) DE3210482A1 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5114798A (en) * 1991-06-19 1992-05-19 Aluminum Company Of America Memory disc lubricated by N-acyl sarcosine derivative

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4092256A (en) * 1976-12-22 1978-05-30 Goodson Keith S Magnetic coating compositions

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51135604A (en) * 1975-05-20 1976-11-24 Hitachi Maxell Ltd Magnetic recorder
JPS5211909A (en) * 1975-07-18 1977-01-29 Hitachi Maxell Ltd Magnetic recorder

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4092256A (en) * 1976-12-22 1978-05-30 Goodson Keith S Magnetic coating compositions

Also Published As

Publication number Publication date
JPS57158026A (en) 1982-09-29
US4391877A (en) 1983-07-05
JPH039527B2 (enExample) 1991-02-08

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Legal Events

Date Code Title Description
8127 New person/name/address of the applicant

Owner name: TDK CORPORATION, TOKIO/TOKYO, JP

8110 Request for examination paragraph 44
8131 Rejection