JPS5376013A - Magnetic memory medium - Google Patents

Magnetic memory medium

Info

Publication number
JPS5376013A
JPS5376013A JP15238676A JP15238676A JPS5376013A JP S5376013 A JPS5376013 A JP S5376013A JP 15238676 A JP15238676 A JP 15238676A JP 15238676 A JP15238676 A JP 15238676A JP S5376013 A JPS5376013 A JP S5376013A
Authority
JP
Japan
Prior art keywords
magnetic memory
memory medium
magnetic
medium
filmy
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
JP15238676A
Other languages
Japanese (ja)
Other versions
JPS6028053B2 (en
Inventor
Masahiro Yanagisawa
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP15238676A priority Critical patent/JPS6028053B2/en
Priority to US05/860,832 priority patent/US4152487A/en
Priority to DE2759985A priority patent/DE2759985C2/en
Priority to DE2756254A priority patent/DE2756254C3/en
Priority to DE2759817A priority patent/DE2759817C2/en
Publication of JPS5376013A publication Critical patent/JPS5376013A/en
Publication of JPS6028053B2 publication Critical patent/JPS6028053B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Thin Magnetic Films (AREA)
  • Magnetic Record Carriers (AREA)

Abstract

PURPOSE: To satisfactorily protect the metallic magnetic filmy medium of the magnetic disk and the magnetic drum even when employing a head which easily draws dusts into, by arranging a protective coating consisting of specified poly-silicic acid on the metallic magnetic filmy medium.
COPYRIGHT: (C)1978,JPO&Japio
JP15238676A 1976-12-17 1976-12-17 magnetic memory Expired JPS6028053B2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP15238676A JPS6028053B2 (en) 1976-12-17 1976-12-17 magnetic memory
US05/860,832 US4152487A (en) 1976-12-17 1977-12-15 Magnetic record member
DE2759985A DE2759985C2 (en) 1976-12-17 1977-12-16 Magnetic recording element
DE2756254A DE2756254C3 (en) 1976-12-17 1977-12-16 Magnetic recording element
DE2759817A DE2759817C2 (en) 1976-12-17 1977-12-16 Magnetic recording element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15238676A JPS6028053B2 (en) 1976-12-17 1976-12-17 magnetic memory

Publications (2)

Publication Number Publication Date
JPS5376013A true JPS5376013A (en) 1978-07-06
JPS6028053B2 JPS6028053B2 (en) 1985-07-02

Family

ID=15539374

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15238676A Expired JPS6028053B2 (en) 1976-12-17 1976-12-17 magnetic memory

Country Status (1)

Country Link
JP (1) JPS6028053B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55108930A (en) * 1979-02-09 1980-08-21 Hitachi Ltd Magnetic recording medium and its production
JPS57189339A (en) * 1981-05-13 1982-11-20 Matsushita Electric Ind Co Ltd Metallic thin film type magnetic recording medium and its manufacture
JPS58208936A (en) * 1982-05-28 1983-12-05 Sony Corp Magnetic recording medium

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55108930A (en) * 1979-02-09 1980-08-21 Hitachi Ltd Magnetic recording medium and its production
JPS57189339A (en) * 1981-05-13 1982-11-20 Matsushita Electric Ind Co Ltd Metallic thin film type magnetic recording medium and its manufacture
JPH0239018B2 (en) * 1981-05-13 1990-09-03 Matsushita Electric Ind Co Ltd
JPS58208936A (en) * 1982-05-28 1983-12-05 Sony Corp Magnetic recording medium

Also Published As

Publication number Publication date
JPS6028053B2 (en) 1985-07-02

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