CA1010567A - Magnetic recording disc having randomly oriented magnetic particles - Google Patents

Magnetic recording disc having randomly oriented magnetic particles

Info

Publication number
CA1010567A
CA1010567A CA160,456A CA160456A CA1010567A CA 1010567 A CA1010567 A CA 1010567A CA 160456 A CA160456 A CA 160456A CA 1010567 A CA1010567 A CA 1010567A
Authority
CA
Canada
Prior art keywords
randomly oriented
recording disc
magnetic recording
magnetic particles
magnetic
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
CA160,456A
Other languages
English (en)
Other versions
CA160456S (en
Inventor
Jerry F. Dyben
Jerry O. Kelley
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.)
Meritor Inc
Original Assignee
Arvin Industries Inc
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 Arvin Industries Inc filed Critical Arvin Industries Inc
Application granted granted Critical
Publication of CA1010567A publication Critical patent/CA1010567A/en
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
    • 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
    • G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
    • G11B5/82—Disk carriers
    • G11B5/825—Disk carriers flexible discs
    • 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
    • G11B5/842—Coating a support with a liquid magnetic dispersion
    • G11B5/845—Coating a support with a liquid magnetic dispersion in a magnetic field
    • 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
    • G11B5/852—Orientation in a magnetic field

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
CA160,456A 1972-02-07 1973-01-03 Magnetic recording disc having randomly oriented magnetic particles Expired CA1010567A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US22418772A 1972-02-07 1972-02-07

Publications (1)

Publication Number Publication Date
CA1010567A true CA1010567A (en) 1977-05-17

Family

ID=22839626

Family Applications (1)

Application Number Title Priority Date Filing Date
CA160,456A Expired CA1010567A (en) 1972-02-07 1973-01-03 Magnetic recording disc having randomly oriented magnetic particles

Country Status (5)

Country Link
JP (1) JPS4892003A (fr)
CA (1) CA1010567A (fr)
DE (1) DE2304518A1 (fr)
FR (1) FR2171159B3 (fr)
GB (1) GB1415799A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4208447A (en) * 1978-06-05 1980-06-17 International Business Machines Corporation Method for disorienting magnetic particles
JPH0687304B2 (ja) * 1986-04-01 1994-11-02 富士写真フイルム株式会社 磁気記録媒体の製造方法

Also Published As

Publication number Publication date
JPS4892003A (fr) 1973-11-29
FR2171159B3 (fr) 1976-01-30
FR2171159A1 (fr) 1973-09-21
GB1415799A (en) 1975-11-26
DE2304518A1 (de) 1973-08-09

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