CA1093905A - Process of producing a magnetic recording element - Google Patents

Process of producing a magnetic recording element

Info

Publication number
CA1093905A
CA1093905A CA262,503A CA262503A CA1093905A CA 1093905 A CA1093905 A CA 1093905A CA 262503 A CA262503 A CA 262503A CA 1093905 A CA1093905 A CA 1093905A
Authority
CA
Canada
Prior art keywords
coating
magnetic
layer
subbing
parts
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
CA262,503A
Other languages
English (en)
French (fr)
Inventor
Yasuyuki Yamada
Tatsuji Kitamoto
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
Application filed by Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Application granted granted Critical
Publication of CA1093905A publication Critical patent/CA1093905A/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
    • 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
    • G11B5/62—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
    • G11B5/739—Magnetic recording media substrates
    • G11B5/73923—Organic polymer substrates
    • G11B5/73927—Polyester substrates, e.g. polyethylene terephthalate

Landscapes

  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
CA262,503A 1975-10-01 1976-10-01 Process of producing a magnetic recording element Expired CA1093905A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP50118541A JPS589488B2 (ja) 1975-10-01 1975-10-01 ジキキロクタイノセイホウ
JP118541/75 1975-10-01

Publications (1)

Publication Number Publication Date
CA1093905A true CA1093905A (en) 1981-01-20

Family

ID=14739134

Family Applications (1)

Application Number Title Priority Date Filing Date
CA262,503A Expired CA1093905A (en) 1975-10-01 1976-10-01 Process of producing a magnetic recording element

Country Status (3)

Country Link
JP (1) JPS589488B2 (ja)
CA (1) CA1093905A (ja)
DE (1) DE2644494A1 (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53116113A (en) * 1977-03-18 1978-10-11 Hitachi Maxell Undercoating agent for magnetic recording medium
JPS5677926A (en) * 1979-11-28 1981-06-26 Tdk Corp Magnetic recording medium using cobalt adhesion type iron oxide
JPS61151584U (ja) * 1985-03-12 1986-09-19
US4726990A (en) * 1985-11-06 1988-02-23 Tdk Corporation Magnetic recording medium
JPH0542236Y2 (ja) * 1986-10-09 1993-10-25
JPS63158186U (ja) * 1987-04-07 1988-10-17

Also Published As

Publication number Publication date
JPS5242703A (en) 1977-04-02
DE2644494A1 (de) 1977-04-14
JPS589488B2 (ja) 1983-02-21

Similar Documents

Publication Publication Date Title
US4183976A (en) Process of producing a magnetic recording element
US4528240A (en) Magnetic recording medium
US4731292A (en) Magnetic recording medium
US4420532A (en) Magnetic recording medium
US4425400A (en) Magnetic recording medium
US4091158A (en) Magnetic recording members
US4265931A (en) Process for the production of a magnetic recording member
US4474848A (en) Magnetic recording medium
CA1093905A (en) Process of producing a magnetic recording element
US4071654A (en) Magnetic recording member
US4333988A (en) Magnetic recording media
US4781963A (en) Magnetic recording medium
US4844977A (en) Magnetic recording medium
US4789591A (en) Magnetic recording medium
JPS6224854B2 (ja)
US5153063A (en) Magnetic recording medium having a vinyl-chloride resin and a urethane resin binder system each of which resins contain three percent or less of a low molecular weight resin fraction
US5039554A (en) Process for preparing a backing layer of a magnetic recording medium which includes the predispersing of a fine α-Al2 O3 powder in a solvent containing a small amount of binder
US5061564A (en) Magnetic recording medium comprising a polar group containing resin or compound and a methyl iso ester lubricant prepared from a methyl iso acid or methyl iso alcohol or both
JPH0263251B2 (ja)
JPS6259367B2 (ja)
US4431700A (en) Magnetic recording medium
JPH0557648B2 (ja)
JPS63214914A (ja) 磁気記録媒体
JP2645648B2 (ja) 磁気記録媒体
JP3489849B2 (ja) 磁気記録テープ用ベースフイルム

Legal Events

Date Code Title Description
MKEX Expiry