DE2515328A1 - Magnetisches aufzeichnungsmedium - Google Patents

Magnetisches aufzeichnungsmedium

Info

Publication number
DE2515328A1
DE2515328A1 DE19752515328 DE2515328A DE2515328A1 DE 2515328 A1 DE2515328 A1 DE 2515328A1 DE 19752515328 DE19752515328 DE 19752515328 DE 2515328 A DE2515328 A DE 2515328A DE 2515328 A1 DE2515328 A1 DE 2515328A1
Authority
DE
Germany
Prior art keywords
magnetic
magnetic field
recording medium
magnetic recording
sheet
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
DE19752515328
Other languages
German (de)
English (en)
Inventor
Shinichiro Akuta
Kazuo Suzuki
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.)
Kanegafuchi Chemical Industry Co Ltd
Original Assignee
Kanegafuchi Chemical Industry 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 Kanegafuchi Chemical Industry Co Ltd filed Critical Kanegafuchi Chemical Industry Co Ltd
Publication of DE2515328A1 publication Critical patent/DE2515328A1/de
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70—Record 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
    • G11B5/706—Record 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
    • G11B5/70626—Record 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 containing non-metallic substances
    • G11B5/70642—Record 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 containing non-metallic substances iron oxides
    • G11B5/70678—Ferrites

Landscapes

  • Magnetic Record Carriers (AREA)
  • Paints Or Removers (AREA)
DE19752515328 1974-04-10 1975-04-08 Magnetisches aufzeichnungsmedium Pending DE2515328A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP49041303A JPS50134608A (OSRAM) 1974-04-10 1974-04-10

Publications (1)

Publication Number Publication Date
DE2515328A1 true DE2515328A1 (de) 1975-10-16

Family

ID=12604700

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19752515328 Pending DE2515328A1 (de) 1974-04-10 1975-04-08 Magnetisches aufzeichnungsmedium

Country Status (4)

Country Link
US (1) US4034410A (OSRAM)
JP (1) JPS50134608A (OSRAM)
DE (1) DE2515328A1 (OSRAM)
FR (1) FR2267605B1 (OSRAM)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4277809A (en) * 1979-09-26 1981-07-07 Memorex Corporation Apparatus for recording magnetic impulses perpendicular to the surface of a recording medium
JPS5660002A (en) * 1979-10-19 1981-05-23 Toshiba Corp Manufacture of high density recording magnetic powder
JPS5661101A (en) * 1979-10-24 1981-05-26 Toshiba Corp Magnetic recording medium
JPS60127527A (ja) * 1983-12-15 1985-07-08 Saiteku Kk 膜状積重磁気記録媒体およびその製造方法
JP4461931B2 (ja) * 2003-08-08 2010-05-12 国産電機株式会社 インバータユニット
CN106291408B (zh) * 2016-10-11 2023-06-09 中国计量大学 基于磁致伸缩体和驻极体的磁电转换器

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3023166A (en) * 1956-08-18 1962-02-27 Philips Corp Magnetic record carrier
US3185775A (en) * 1958-03-10 1965-05-25 Iit Res Inst Oriented tape
US3016310A (en) * 1959-01-05 1962-01-09 Bell Telephone Labor Inc Magnetic record device and method of preparing it
US3047429A (en) * 1959-03-27 1962-07-31 Rca Corp Magnetic recording medium comprising coatings of ferrite particles of the molar composite amno.bzno.cfe2o3
US3723668A (en) * 1970-03-27 1973-03-27 Ampex Method of erasing signals from magnetic discs using dc pulses which persist for one disc revolution
JPS549044B1 (OSRAM) * 1970-05-21 1979-04-20
JPS4838705A (OSRAM) * 1971-09-17 1973-06-07

Also Published As

Publication number Publication date
US4034410A (en) 1977-07-05
FR2267605A1 (OSRAM) 1975-11-07
JPS50134608A (OSRAM) 1975-10-24
FR2267605B1 (OSRAM) 1981-01-16

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Legal Events

Date Code Title Description
OHW Rejection