JPS549905A - Production of magnetic discs - Google Patents

Production of magnetic discs

Info

Publication number
JPS549905A
JPS549905A JP7447877A JP7447877A JPS549905A JP S549905 A JPS549905 A JP S549905A JP 7447877 A JP7447877 A JP 7447877A JP 7447877 A JP7447877 A JP 7447877A JP S549905 A JPS549905 A JP S549905A
Authority
JP
Japan
Prior art keywords
magnetic
production
magnetic discs
applying
discs
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
JP7447877A
Other languages
Japanese (ja)
Other versions
JPS6329335B2 (en
Inventor
Shoji Ishida
Kenichi Ito
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP7447877A priority Critical patent/JPS549905A/en
Publication of JPS549905A publication Critical patent/JPS549905A/en
Publication of JPS6329335B2 publication Critical patent/JPS6329335B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Magnetic Record Carriers (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)

Abstract

PURPOSE: To produce magnetic discs of superior magnetic characteristics by applying a magnetic field having the magnetic flux perpendicular to the disc substrate plane to the magnetic layer formed to orient magnetic particles in the applied magnetic flux direction thereafter applying an in-plane orienting magnetic field.
COPYRIGHT: (C)1979,JPO&Japio
JP7447877A 1977-06-24 1977-06-24 Production of magnetic discs Granted JPS549905A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7447877A JPS549905A (en) 1977-06-24 1977-06-24 Production of magnetic discs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7447877A JPS549905A (en) 1977-06-24 1977-06-24 Production of magnetic discs

Publications (2)

Publication Number Publication Date
JPS549905A true JPS549905A (en) 1979-01-25
JPS6329335B2 JPS6329335B2 (en) 1988-06-13

Family

ID=13548410

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7447877A Granted JPS549905A (en) 1977-06-24 1977-06-24 Production of magnetic discs

Country Status (1)

Country Link
JP (1) JPS549905A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5812138A (en) * 1981-07-13 1983-01-24 Toshiba Corp Production of magnetic recording medium
US4578280A (en) * 1983-03-08 1986-03-25 Agfa-Gevaert Aktiengesellschaft Process for the production of a magnetic recording material with perpendicular orientation
US4696831A (en) * 1985-02-14 1987-09-29 Hitachi, Ltd. Method of orienting magnetic disc by magnetic field
US4746569A (en) * 1985-05-20 1988-05-24 Fujitsu Limited Longitudinal magnetic coated recording medium

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5045603A (en) * 1973-08-25 1975-04-23
JPS531508A (en) * 1976-06-28 1978-01-09 Nec Corp Preparation of magnetic recording medium and device therefor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5045603A (en) * 1973-08-25 1975-04-23
JPS531508A (en) * 1976-06-28 1978-01-09 Nec Corp Preparation of magnetic recording medium and device therefor

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5812138A (en) * 1981-07-13 1983-01-24 Toshiba Corp Production of magnetic recording medium
US4578280A (en) * 1983-03-08 1986-03-25 Agfa-Gevaert Aktiengesellschaft Process for the production of a magnetic recording material with perpendicular orientation
US4696831A (en) * 1985-02-14 1987-09-29 Hitachi, Ltd. Method of orienting magnetic disc by magnetic field
US4746569A (en) * 1985-05-20 1988-05-24 Fujitsu Limited Longitudinal magnetic coated recording medium

Also Published As

Publication number Publication date
JPS6329335B2 (en) 1988-06-13

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