JPS5284705A - Magnetic recording medium - Google Patents

Magnetic recording medium

Info

Publication number
JPS5284705A
JPS5284705A JP79676A JP79676A JPS5284705A JP S5284705 A JPS5284705 A JP S5284705A JP 79676 A JP79676 A JP 79676A JP 79676 A JP79676 A JP 79676A JP S5284705 A JPS5284705 A JP S5284705A
Authority
JP
Japan
Prior art keywords
recording medium
magnetic recording
inferior
stabilize
oxides
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.)
Pending
Application number
JP79676A
Other languages
Japanese (ja)
Inventor
Yasutaro Kamisaka
Hideo Fujiwara
Satoru Taniguchi
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 JP79676A priority Critical patent/JPS5284705A/en
Publication of JPS5284705A publication Critical patent/JPS5284705A/en
Pending legal-status Critical Current

Links

Landscapes

  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)

Abstract

PURPOSE:To stabilize extra-fine ferromagnetic metal powder without covering the same with other resins or oxides by containing metal whose oxidation-reduction potential is inferior to that of ferromagnetic material in a magnetizable layer.
JP79676A 1976-01-07 1976-01-07 Magnetic recording medium Pending JPS5284705A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP79676A JPS5284705A (en) 1976-01-07 1976-01-07 Magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP79676A JPS5284705A (en) 1976-01-07 1976-01-07 Magnetic recording medium

Publications (1)

Publication Number Publication Date
JPS5284705A true JPS5284705A (en) 1977-07-14

Family

ID=11483631

Family Applications (1)

Application Number Title Priority Date Filing Date
JP79676A Pending JPS5284705A (en) 1976-01-07 1976-01-07 Magnetic recording medium

Country Status (1)

Country Link
JP (1) JPS5284705A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013203867A (en) * 2012-03-28 2013-10-07 Aomori Prefectural Industrial Technology Research Center Magnetizing coating material mixture and magnetizing coating material

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013203867A (en) * 2012-03-28 2013-10-07 Aomori Prefectural Industrial Technology Research Center Magnetizing coating material mixture and magnetizing coating material

Similar Documents

Publication Publication Date Title
AU450059B2 (en) Magnetic recording medium incorporating fine acicular iron-based particles
AU2093376A (en) Separtion of particles of different density with magnetic fluids
ZA775470B (en) Cobalt-doped acicular hyper-magnetite particles
GB2007113B (en) Acicular ferromagnetic metal particles essentially containing iron and their manufacture
JPS5328298A (en) Iron or iron alloy pulverule nt body and magnetic recording medium
JPS5414711A (en) Magnetic recording medium
JPS54152699A (en) Magnetic needleelike nonnstoichiometric ferrous and ferric oxide particle and its manufacture
JPS5377603A (en) Magnetic recording medium
JPS5284722A (en) Thin film magnetic head and its production
JPS5316605A (en) Improved magnetic recording medium
JPS53103714A (en) Disc jacket for magnetic recording
JPS5433042A (en) Thermal magnetic recording medium
JPS52141609A (en) Magnetic recording medium and its production
JPS51149006A (en) High density magnetic recording tape sheet
JPS5319720A (en) Wireless type pen for data input
JPS53101411A (en) Mr type magnetic head
JPS531505A (en) High density information recording medium and preparation thereof
JPS5364143A (en) Magnetic bearing
JPS5411710A (en) Magnetic recorder-reproducer
JPS5517853A (en) Magnetresistance effect head
JPS5319809A (en) Production of magnetic recording medium
JPS52141610A (en) Magnetic recording medium and its production
JPS5381204A (en) Magnetic recording medium and preparation thereof
JPS5288322A (en) Magnetization of magnetic head
JPS57210432A (en) Manufacture of magnetic recording medium

Legal Events

Date Code Title Description
A131 Notification of reasons for refusal

Effective date: 20040622

Free format text: JAPANESE INTERMEDIATE CODE: A131

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20040921

A602 Written permission of extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A602

Effective date: 20041108

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20041217

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20050607

A61 First payment of annual fees (during grant procedure)

Effective date: 20050706

Free format text: JAPANESE INTERMEDIATE CODE: A61

R150 Certificate of patent (=grant) or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

LAPS Cancellation because of no payment of annual fees