JPS58189823A - 磁気記録媒体及びその製造方法 - Google Patents

磁気記録媒体及びその製造方法

Info

Publication number
JPS58189823A
JPS58189823A JP57071216A JP7121682A JPS58189823A JP S58189823 A JPS58189823 A JP S58189823A JP 57071216 A JP57071216 A JP 57071216A JP 7121682 A JP7121682 A JP 7121682A JP S58189823 A JPS58189823 A JP S58189823A
Authority
JP
Japan
Prior art keywords
film
recording medium
recording
heat treatment
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.)
Granted
Application number
JP57071216A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0323972B2 (enExample
Inventor
Toyoji Okuwaki
奥脇　東洋治
Makoto Koizumi
真 小泉
Takashi Tamura
田村　喬
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Ltd filed Critical Hitachi Ltd
Priority to JP57071216A priority Critical patent/JPS58189823A/ja
Publication of JPS58189823A publication Critical patent/JPS58189823A/ja
Publication of JPH0323972B2 publication Critical patent/JPH0323972B2/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
    • G11B5/73—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
    • G11B5/73911—Inorganic substrates
    • G11B5/73913—Composites or coated substrates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Thin Magnetic Films (AREA)
  • Magnetic Record Carriers (AREA)
JP57071216A 1982-04-30 1982-04-30 磁気記録媒体及びその製造方法 Granted JPS58189823A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57071216A JPS58189823A (ja) 1982-04-30 1982-04-30 磁気記録媒体及びその製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57071216A JPS58189823A (ja) 1982-04-30 1982-04-30 磁気記録媒体及びその製造方法

Publications (2)

Publication Number Publication Date
JPS58189823A true JPS58189823A (ja) 1983-11-05
JPH0323972B2 JPH0323972B2 (enExample) 1991-04-02

Family

ID=13454254

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57071216A Granted JPS58189823A (ja) 1982-04-30 1982-04-30 磁気記録媒体及びその製造方法

Country Status (1)

Country Link
JP (1) JPS58189823A (enExample)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60160027A (ja) * 1984-01-31 1985-08-21 Sony Corp 磁気記録媒体
JPS6166222A (ja) * 1984-09-07 1986-04-05 Matsushita Electric Ind Co Ltd 金属薄膜型磁気テ−プ
JPS6192418A (ja) * 1984-10-11 1986-05-10 Teijin Ltd 垂直磁気記録媒体
JPS6199924A (ja) * 1984-10-19 1986-05-19 Matsushita Electric Ind Co Ltd 磁気記録媒体
JPS61151830A (ja) * 1984-12-21 1986-07-10 ミネソタ　マイニング　アンド　マニユフアクチユアリング　コンパニー 強磁性記録媒体
JPS61220132A (ja) * 1985-03-26 1986-09-30 Mitsubishi Electric Corp 垂直磁気記録媒体の製造方法
EP0197785A3 (en) * 1985-04-09 1988-07-06 Dynamic Disk, Inc. Substrate material for magnetic recording media
JP2005302137A (ja) * 2004-04-09 2005-10-27 Fuji Electric Device Technology Co Ltd 磁気記録媒体用基板およびその製造方法

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60160027A (ja) * 1984-01-31 1985-08-21 Sony Corp 磁気記録媒体
JPS6166222A (ja) * 1984-09-07 1986-04-05 Matsushita Electric Ind Co Ltd 金属薄膜型磁気テ−プ
JPS6192418A (ja) * 1984-10-11 1986-05-10 Teijin Ltd 垂直磁気記録媒体
JPS6199924A (ja) * 1984-10-19 1986-05-19 Matsushita Electric Ind Co Ltd 磁気記録媒体
JPS61151830A (ja) * 1984-12-21 1986-07-10 ミネソタ　マイニング　アンド　マニユフアクチユアリング　コンパニー 強磁性記録媒体
JPS61220132A (ja) * 1985-03-26 1986-09-30 Mitsubishi Electric Corp 垂直磁気記録媒体の製造方法
EP0197785A3 (en) * 1985-04-09 1988-07-06 Dynamic Disk, Inc. Substrate material for magnetic recording media
JP2005302137A (ja) * 2004-04-09 2005-10-27 Fuji Electric Device Technology Co Ltd 磁気記録媒体用基板およびその製造方法

Also Published As

Publication number Publication date
JPH0323972B2 (enExample) 1991-04-02

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