JPS5376010A - Magnetic momory medium - Google Patents

Magnetic momory medium

Info

Publication number
JPS5376010A
JPS5376010A JP15239376A JP15239376A JPS5376010A JP S5376010 A JPS5376010 A JP S5376010A JP 15239376 A JP15239376 A JP 15239376A JP 15239376 A JP15239376 A JP 15239376A JP S5376010 A JPS5376010 A JP S5376010A
Authority
JP
Japan
Prior art keywords
magnetic
medium
momory
filmy
metallic
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
JP15239376A
Other languages
Japanese (ja)
Other versions
JPS608527B2 (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 JP15239376A priority Critical patent/JPS608527B2/en
Priority to US05/860,832 priority patent/US4152487A/en
Priority to DE2759985A priority patent/DE2759985C2/en
Priority to DE2759817A priority patent/DE2759817C2/en
Priority to DE2756254A priority patent/DE2756254C3/en
Publication of JPS5376010A publication Critical patent/JPS5376010A/en
Publication of JPS608527B2 publication Critical patent/JPS608527B2/en
Expired legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: To satisfactorily protect the metallic magnetic filmy of the magnetic disk and magnetic drum, even when employing a head which easily tend to draw the dusts into, by forming a protective coating consisting of specified polysilicic and on the metallic magnetic filmy medium.
COPYRIGHT: (C)1978,JPO&Japio
JP15239376A 1976-12-17 1976-12-17 magnetic memory Expired JPS608527B2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP15239376A JPS608527B2 (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
DE2759817A DE2759817C2 (en) 1976-12-17 1977-12-16 Magnetic recording element
DE2756254A DE2756254C3 (en) 1976-12-17 1977-12-16 Magnetic recording element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15239376A JPS608527B2 (en) 1976-12-17 1976-12-17 magnetic memory

Publications (2)

Publication Number Publication Date
JPS5376010A true JPS5376010A (en) 1978-07-06
JPS608527B2 JPS608527B2 (en) 1985-03-04

Family

ID=15539525

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15239376A Expired JPS608527B2 (en) 1976-12-17 1976-12-17 magnetic memory

Country Status (1)

Country Link
JP (1) JPS608527B2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5992438A (en) * 1982-11-19 1984-05-28 Tohoku Metal Ind Ltd Magnetic card
JPS615420A (en) * 1984-06-19 1986-01-11 Tokico Ltd Magnetic disk
JPS62273619A (en) * 1986-05-21 1987-11-27 Hitachi Ltd magnetic disk
JPH01245449A (en) * 1988-03-25 1989-09-29 Hitachi Ltd Optical information recorder

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61201933A (en) * 1985-03-06 1986-09-06 Daikin Mfg Co Ltd Damper disc

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5992438A (en) * 1982-11-19 1984-05-28 Tohoku Metal Ind Ltd Magnetic card
JPS615420A (en) * 1984-06-19 1986-01-11 Tokico Ltd Magnetic disk
JPS62273619A (en) * 1986-05-21 1987-11-27 Hitachi Ltd magnetic disk
JPH01245449A (en) * 1988-03-25 1989-09-29 Hitachi Ltd Optical information recorder

Also Published As

Publication number Publication date
JPS608527B2 (en) 1985-03-04

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