GB1376260A - Magnetic memory unit - Google Patents

Magnetic memory unit

Info

Publication number
GB1376260A
GB1376260A GB5587272A GB5587272A GB1376260A GB 1376260 A GB1376260 A GB 1376260A GB 5587272 A GB5587272 A GB 5587272A GB 5587272 A GB5587272 A GB 5587272A GB 1376260 A GB1376260 A GB 1376260A
Authority
GB
United Kingdom
Prior art keywords
ferrite film
magnetic
substrate
disc
magnetic material
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.)
Expired
Application number
GB5587272A
Other languages
English (en)
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.)
Omron Corp
Original Assignee
Omron Tateisi Electronics Co
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 Omron Tateisi Electronics Co filed Critical Omron Tateisi Electronics Co
Publication of GB1376260A publication Critical patent/GB1376260A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F10/00—Thin magnetic films, e.g. of one-domain structure
    • H01F10/08—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers
    • H01F10/10—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition
    • H01F10/18—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition being compounds
    • H01F10/20—Ferrites

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Power Engineering (AREA)
  • Magnetic Record Carriers (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Paints Or Removers (AREA)
GB5587272A 1972-09-08 1972-12-04 Magnetic memory unit Expired GB1376260A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9062672A JPS522603B2 (ja) 1972-09-08 1972-09-08

Publications (1)

Publication Number Publication Date
GB1376260A true GB1376260A (en) 1974-12-04

Family

ID=14003676

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5587272A Expired GB1376260A (en) 1972-09-08 1972-12-04 Magnetic memory unit

Country Status (3)

Country Link
JP (1) JPS522603B2 (ja)
DE (1) DE2260043C3 (ja)
GB (1) GB1376260A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4671995A (en) * 1984-02-13 1987-06-09 Victor Company Of Japan, Ltd. Magnetic recording medium comprising an undercoating made of a mixture of thermosetting polyurethane and polyester resins

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4871765A (ja) * 1971-12-29 1973-09-28
JPS5068946A (ja) * 1973-10-25 1975-06-09
JPS5148302A (ja) * 1974-10-24 1976-04-26 Nippon Telegraph & Telephone Kokirokumitsudoyojikideisukukiban
JPS53102938U (ja) * 1976-07-01 1978-08-19
JPS55117094A (en) * 1979-03-01 1980-09-09 Kawamoto Seisakusho:Kk Pump with cutter
JPS5756329A (en) * 1980-09-22 1982-04-03 Toshiba Corp Manufacture of magnetic powder for magnetic recording medium
US4548855A (en) * 1982-11-02 1985-10-22 Toray Industries, Inc. Polyester film for magnetic recording medium
US4514216A (en) * 1983-04-30 1985-04-30 Toda Kogyo Corp. Acicular ferromagnetic alloy particles for magnetic recording and process for producing the same
JPH0610873B2 (ja) * 1984-02-08 1994-02-09 日立マクセル株式会社 磁気デイスク
JPS60229233A (ja) * 1984-04-27 1985-11-14 Sumitomo Special Metals Co Ltd 磁気ディスク用基板の製造方法
JPH0823930B2 (ja) * 1986-10-28 1996-03-06 日本板硝子株式会社 磁気記録媒体
JPH0681644B2 (ja) * 1989-01-13 1994-10-19 三協アルミニウム工業株式会社 金属材料の押出成形用ダイス
TW200734077A (en) 2005-09-08 2007-09-16 Showa Denko Kk Extrusion die for metallic material
JP5053662B2 (ja) 2007-01-31 2012-10-17 昭和電工株式会社 金属材料の押出成形用ダイス

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4671995A (en) * 1984-02-13 1987-06-09 Victor Company Of Japan, Ltd. Magnetic recording medium comprising an undercoating made of a mixture of thermosetting polyurethane and polyester resins

Also Published As

Publication number Publication date
JPS4946707A (ja) 1974-05-04
JPS522603B2 (ja) 1977-01-22
DE2260043C3 (de) 1975-05-15
DE2260043A1 (de) 1974-04-04
DE2260043B2 (de) 1974-09-26

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee