NL8003926A - Magnetisch registratie medium. - Google Patents

Magnetisch registratie medium. Download PDF

Info

Publication number
NL8003926A
NL8003926A NL8003926A NL8003926A NL8003926A NL 8003926 A NL8003926 A NL 8003926A NL 8003926 A NL8003926 A NL 8003926A NL 8003926 A NL8003926 A NL 8003926A NL 8003926 A NL8003926 A NL 8003926A
Authority
NL
Netherlands
Prior art keywords
shaped
ferromagnetic metal
magnetic recording
needle
metal powder
Prior art date
Application number
NL8003926A
Other languages
English (en)
Dutch (nl)
Original Assignee
Tdk Electronics 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 Tdk Electronics Co Ltd filed Critical Tdk Electronics Co Ltd
Publication of NL8003926A publication Critical patent/NL8003926A/nl

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62Record carriers characterised by the selection of the material
    • G11B5/68Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
    • G11B5/706Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material

Landscapes

  • Magnetic Record Carriers (AREA)
  • Paints Or Removers (AREA)
NL8003926A 1979-07-11 1980-07-07 Magnetisch registratie medium. NL8003926A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP8688679 1979-07-11
JP8688679A JPS5613526A (en) 1979-07-11 1979-07-11 Magnetic recording medium

Publications (1)

Publication Number Publication Date
NL8003926A true NL8003926A (nl) 1981-01-13

Family

ID=13899307

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8003926A NL8003926A (nl) 1979-07-11 1980-07-07 Magnetisch registratie medium.

Country Status (4)

Country Link
JP (1) JPS5613526A (de)
DE (1) DE3025663A1 (de)
GB (1) GB2054411A (de)
NL (1) NL8003926A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5230818A (en) * 1991-12-20 1993-07-27 Eastman Kodak Company Coating compositions for master media for anhysteretic recording

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57143734A (en) * 1981-02-27 1982-09-06 Hitachi Maxell Ltd Magnetic recording medium
JPS57143735A (en) * 1981-02-27 1982-09-06 Hitachi Maxell Ltd Magnetic recording medium
JPS5832233A (ja) * 1981-08-21 1983-02-25 Hitachi Ltd 磁気記録体
JPS5864634A (ja) * 1981-10-13 1983-04-18 Hitachi Maxell Ltd 磁気記録媒体
US4718262A (en) * 1982-04-23 1988-01-12 General Electric Company Method for controlling edge taper in metal rolling mill
CN1290120C (zh) * 2001-08-22 2006-12-13 住友电气工业株式会社 导电胶、导电薄膜、电镀方法和精细金属元件的制造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5230818A (en) * 1991-12-20 1993-07-27 Eastman Kodak Company Coating compositions for master media for anhysteretic recording

Also Published As

Publication number Publication date
JPS5613526A (en) 1981-02-09
GB2054411A (en) 1981-02-18
DE3025663A1 (de) 1981-02-12

Similar Documents

Publication Publication Date Title
Fujiwara et al. Recording performances of Ba-ferrite coated perpendicular magnetic tapes
US3702270A (en) Method of making a magnetic powder
Hisano et al. Research and development of metal powder for magnetic recording
US4137342A (en) Cobalt-doped acicular hyper-magnetite particles
JPH036575B2 (de)
US5449565A (en) Magnetic iron oxide particles, a process for producing the same and a magnetic recording medium
NL8003926A (nl) Magnetisch registratie medium.
US4396668A (en) Magnetic recording medium
NL8303655A (nl) Ferromagnetische deeltjes met stabiele magnetische eigenschappen en werkwijze voor het bereiden daarvan.
US4226909A (en) Cobalt-doped acicular hyper-magnetite particles
US4237506A (en) Polymodal magnetic recording member
US3977985A (en) Magnetic recording medium comprising cobalt or cobalt alloy coated particles of spicular magnetite
US3653962A (en) Magnetic recording medium
EP0090052A1 (de) Magnetisches aufnahmemedium
JPS5870429A (ja) 磁気記録媒体
JP2756467B2 (ja) 短波長磁気記録媒体用金属磁性粉およびこれを用いた磁気記録媒体
US4604296A (en) Process for production of magnetic recording elements
DE2305247A1 (de) Magnetische aufzeichnungsmedien
JPS63103418A (ja) 磁気記録媒体
JPS63142607A (ja) 磁性鉄粉の製造方法
JPS6012764B2 (ja) 強磁性粉末の製造方法
JPS6136684B2 (de)
NL8220324A (nl) Magnetisch registreermedium.
JPS6066323A (ja) 磁気記録媒体
KR100241694B1 (ko) 강자성 산화철 분말 및 그 제조방법

Legal Events

Date Code Title Description
BV The patent application has lapsed