JPH0312371B2 - - Google Patents

Info

Publication number
JPH0312371B2
JPH0312371B2 JP56085061A JP8506181A JPH0312371B2 JP H0312371 B2 JPH0312371 B2 JP H0312371B2 JP 56085061 A JP56085061 A JP 56085061A JP 8506181 A JP8506181 A JP 8506181A JP H0312371 B2 JPH0312371 B2 JP H0312371B2
Authority
JP
Japan
Prior art keywords
magnetic
magnetic layer
layer
powder
recording
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 - Lifetime
Application number
JP56085061A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57200936A (en
Inventor
Fumitada Hayama
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.)
Maxell Ltd
Original Assignee
Hitachi Maxell 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 Hitachi Maxell Ltd filed Critical Hitachi Maxell Ltd
Priority to JP56085061A priority Critical patent/JPS57200936A/ja
Publication of JPS57200936A publication Critical patent/JPS57200936A/ja
Publication of JPH0312371B2 publication Critical patent/JPH0312371B2/ja
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
    • G11B5/68—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
    • G11B5/716—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 two or more magnetic layers

Landscapes

  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
JP56085061A 1981-06-03 1981-06-03 Magnetic recording medium Granted JPS57200936A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56085061A JPS57200936A (en) 1981-06-03 1981-06-03 Magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56085061A JPS57200936A (en) 1981-06-03 1981-06-03 Magnetic recording medium

Publications (2)

Publication Number Publication Date
JPS57200936A JPS57200936A (en) 1982-12-09
JPH0312371B2 true JPH0312371B2 (enrdf_load_stackoverflow) 1991-02-20

Family

ID=13848116

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56085061A Granted JPS57200936A (en) 1981-06-03 1981-06-03 Magnetic recording medium

Country Status (1)

Country Link
JP (1) JPS57200936A (enrdf_load_stackoverflow)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5360204A (en) * 1976-11-10 1978-05-30 Mitsubishi Heavy Ind Ltd Magnetic recording medium and its recording method
JPS5567940A (en) * 1978-11-13 1980-05-22 Hitachi Ltd Magnetic recording medium and its manufacture

Also Published As

Publication number Publication date
JPS57200936A (en) 1982-12-09

Similar Documents

Publication Publication Date Title
KR920008415B1 (ko) 자기 기록 매체
GB1594727A (en) Cobalt-coated acicular hypermagnetite particles
JPH04123312A (ja) マスター用磁気記録媒体
JPS58139337A (ja) 磁気記録媒体
US4239637A (en) Magnetic material for recording media
US4465735A (en) Magnetic recording medium
US4444835A (en) Magnetic recording medium
JPH03701B2 (enrdf_load_stackoverflow)
JPS5853022A (ja) 磁気記録媒体
JPH0312371B2 (enrdf_load_stackoverflow)
JPS59129933A (ja) 磁気記録媒体
JPH0252414B2 (enrdf_load_stackoverflow)
JPS62219321A (ja) 磁気記録媒体
JPS59127224A (ja) 磁気記録媒体
JPS59129935A (ja) 磁気記録媒体
JPH0619829B2 (ja) 磁気記録媒体
JPS58139335A (ja) 磁気記録媒体
JPS59167854A (ja) 磁気記録媒体
JPS59151342A (ja) 磁気記録媒体およびその製造方法
JPS5852804A (ja) 磁気記録媒体
JPS58139407A (ja) 磁気記録媒体
JPS58139333A (ja) 磁気記録媒体
JPS59157846A (ja) 磁気デイスク
JPS6194232A (ja) 磁気記録媒体
JPS63275027A (ja) 磁気記録媒体