JPS5326103A - Production of high recording density magnet ic discs - Google Patents

Production of high recording density magnet ic discs

Info

Publication number
JPS5326103A
JPS5326103A JP9972276A JP9972276A JPS5326103A JP S5326103 A JPS5326103 A JP S5326103A JP 9972276 A JP9972276 A JP 9972276A JP 9972276 A JP9972276 A JP 9972276A JP S5326103 A JPS5326103 A JP S5326103A
Authority
JP
Japan
Prior art keywords
discs
production
recording density
high recording
density magnet
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
JP9972276A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5636487B2 (OSRAM
Inventor
Yoshiyuki Tsujita
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 JP9972276A priority Critical patent/JPS5326103A/ja
Publication of JPS5326103A publication Critical patent/JPS5326103A/ja
Publication of JPS5636487B2 publication Critical patent/JPS5636487B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Magnetic Record Carriers (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
JP9972276A 1976-08-23 1976-08-23 Production of high recording density magnet ic discs Granted JPS5326103A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9972276A JPS5326103A (en) 1976-08-23 1976-08-23 Production of high recording density magnet ic discs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9972276A JPS5326103A (en) 1976-08-23 1976-08-23 Production of high recording density magnet ic discs

Publications (2)

Publication Number Publication Date
JPS5326103A true JPS5326103A (en) 1978-03-10
JPS5636487B2 JPS5636487B2 (OSRAM) 1981-08-25

Family

ID=14254956

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9972276A Granted JPS5326103A (en) 1976-08-23 1976-08-23 Production of high recording density magnet ic discs

Country Status (1)

Country Link
JP (1) JPS5326103A (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5647928A (en) * 1979-09-25 1981-04-30 Nec Corp Manufacture of magnetic memory body

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5647928A (en) * 1979-09-25 1981-04-30 Nec Corp Manufacture of magnetic memory body

Also Published As

Publication number Publication date
JPS5636487B2 (OSRAM) 1981-08-25

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