JPS54111802A - Production of high recording density magnetic discs - Google Patents

Production of high recording density magnetic discs

Info

Publication number
JPS54111802A
JPS54111802A JP1846378A JP1846378A JPS54111802A JP S54111802 A JPS54111802 A JP S54111802A JP 1846378 A JP1846378 A JP 1846378A JP 1846378 A JP1846378 A JP 1846378A JP S54111802 A JPS54111802 A JP S54111802A
Authority
JP
Japan
Prior art keywords
layer
plating layer
magnetic
nickel
tin
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
JP1846378A
Other languages
English (en)
Other versions
JPS6032891B2 (ja
Inventor
Yoshio Nakagawa
Kenji Nakamura
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 JP1846378A priority Critical patent/JPS6032891B2/ja
Publication of JPS54111802A publication Critical patent/JPS54111802A/ja
Publication of JPS6032891B2 publication Critical patent/JPS6032891B2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Magnetic Record Carriers (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Thin Magnetic Films (AREA)
JP1846378A 1978-02-22 1978-02-22 高記録密度磁気ディスクの製造法 Expired JPS6032891B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1846378A JPS6032891B2 (ja) 1978-02-22 1978-02-22 高記録密度磁気ディスクの製造法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1846378A JPS6032891B2 (ja) 1978-02-22 1978-02-22 高記録密度磁気ディスクの製造法

Publications (2)

Publication Number Publication Date
JPS54111802A true JPS54111802A (en) 1979-09-01
JPS6032891B2 JPS6032891B2 (ja) 1985-07-31

Family

ID=11972320

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1846378A Expired JPS6032891B2 (ja) 1978-02-22 1978-02-22 高記録密度磁気ディスクの製造法

Country Status (1)

Country Link
JP (1) JPS6032891B2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4657814A (en) * 1982-11-22 1987-04-14 Fuji Photo Film Co., Ltd. Magnetic recording medium

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4657814A (en) * 1982-11-22 1987-04-14 Fuji Photo Film Co., Ltd. Magnetic recording medium

Also Published As

Publication number Publication date
JPS6032891B2 (ja) 1985-07-31

Similar Documents

Publication Publication Date Title
JPS55117723A (en) Magnetic head
JPS5418709A (en) Production of magnetic recording media
JPS56134321A (en) Magnetic recording medium
JPS54111802A (en) Production of high recording density magnetic discs
JPS5240304A (en) Manufacturing method of magnetic recording medium
JPS57158037A (en) Magnetic recording medium and its manufacture
JPS5423020A (en) Amorphous magnetic alloy
JPS5570926A (en) Magnetic head of wear proof
JPS53107315A (en) Magnetic recording method
JPS6413217A (en) Magnetic recording medium and its production
JPS6482330A (en) Ferromagnetic powder and magnetic recording medium formed by using said powder
JPS5651024A (en) Magnetic recording body
JPS5341202A (en) Novel magnetic recording medium
JPS5718029A (en) Production of magnetic disk of high recording density
JPS5456403A (en) Production of high recording density magnetic discs
JPS54162508A (en) Magnetic memory medium
JPS5771518A (en) Magnetic recording medium
JPS53133407A (en) Manufacture of high recording density magnetic disc
JPS5542363A (en) Manufacture of high-recording-density magnetic disk
JPS5339707A (en) Magnetic recording medium
JPS53128307A (en) Production of magnetic disc of high recording density
JPS51138409A (en) Magnetic recording medium
JPS55157130A (en) Recording medium
JPS5625223A (en) Magnetic recording and reproducing head
JPS57138033A (en) Magnetic recording medium