JPS5745208A - Magnetic recording medium - Google Patents

Magnetic recording medium

Info

Publication number
JPS5745208A
JPS5745208A JP55120969A JP12096980A JPS5745208A JP S5745208 A JPS5745208 A JP S5745208A JP 55120969 A JP55120969 A JP 55120969A JP 12096980 A JP12096980 A JP 12096980A JP S5745208 A JPS5745208 A JP S5745208A
Authority
JP
Japan
Prior art keywords
recording medium
magnetic recording
component
main component
film
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
JP55120969A
Other languages
English (en)
Other versions
JPS6367325B2 (ja
Inventor
Kiyonori Saito
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.)
TDK Corp
Original Assignee
TDK Corp
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 Corp filed Critical TDK Corp
Priority to JP55120969A priority Critical patent/JPS5745208A/ja
Priority to US06/286,289 priority patent/US4416943A/en
Publication of JPS5745208A publication Critical patent/JPS5745208A/ja
Priority to US06/528,445 priority patent/US4486498A/en
Publication of JPS6367325B2 publication Critical patent/JPS6367325B2/ja
Granted 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
    • G11B5/70605—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 metals or alloys
    • G11B5/70621—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 metals or alloys containing Co metal or alloys
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C19/00—Alloys based on nickel or cobalt
    • C22C19/07—Alloys based on nickel or cobalt based on cobalt
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/90—Magnetic feature
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/261—In terms of molecular thickness or light wave length
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31678—Of metal

Landscapes

  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Magnetic Record Carriers (AREA)
  • Thin Magnetic Films (AREA)
JP55120969A 1980-09-01 1980-09-01 Magnetic recording medium Granted JPS5745208A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP55120969A JPS5745208A (en) 1980-09-01 1980-09-01 Magnetic recording medium
US06/286,289 US4416943A (en) 1980-09-01 1981-07-23 Magnetic recording medium
US06/528,445 US4486498A (en) 1980-09-01 1983-09-01 Magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55120969A JPS5745208A (en) 1980-09-01 1980-09-01 Magnetic recording medium

Publications (2)

Publication Number Publication Date
JPS5745208A true JPS5745208A (en) 1982-03-15
JPS6367325B2 JPS6367325B2 (ja) 1988-12-26

Family

ID=14799496

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55120969A Granted JPS5745208A (en) 1980-09-01 1980-09-01 Magnetic recording medium

Country Status (2)

Country Link
US (2) US4416943A (ja)
JP (1) JPS5745208A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008088519A (ja) * 2006-10-03 2008-04-17 Nisshin Kasei Kk イリジウム・コバルト合金めっき液
US7879466B2 (en) 2005-03-30 2011-02-01 Tohoku University Perpendicular magnetic recording medium, and perpendicular magnetic recording and reproducing apparatus

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4544612A (en) * 1982-09-22 1985-10-01 Nippon Telegraph & Telephone Public Corporation Iron oxide magnetic film and process for fabrication thereof
US4587066A (en) * 1984-07-02 1986-05-06 Polaroid Corporation Method and apparatus for forming magnetic recording media
JPH0650563B2 (ja) * 1984-07-24 1994-06-29 ティーディーケイ株式会社 磁気記録媒体
US4756967A (en) * 1985-05-25 1988-07-12 Canon Kabushiki Kaisha Magnetic recording medium
US5023148A (en) * 1987-12-30 1991-06-11 Seagate Technology, Inc. Tine film cobalt-containing recording medium
US10361361B2 (en) 2016-04-08 2019-07-23 International Business Machines Corporation Thin reference layer for STT MRAM

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4957396A (ja) * 1972-10-03 1974-06-04

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5729769B2 (ja) * 1974-02-15 1982-06-24
JPS5174605A (ja) * 1974-12-24 1976-06-28 Suwa Seikosha Kk Jikikirokutai
JPS5438135A (en) * 1977-08-31 1979-03-22 Ricoh Co Ltd Thermomagnetic image recording material
JPS5891B2 (ja) * 1977-09-30 1983-01-05 俊一 岩崎 磁気記録媒体
JPS54140505A (en) * 1978-04-24 1979-10-31 Matsushita Electric Ind Co Ltd Production of magnetic recording medium
US4202932A (en) * 1978-07-21 1980-05-13 Xerox Corporation Magnetic recording medium
US4277809A (en) * 1979-09-26 1981-07-07 Memorex Corporation Apparatus for recording magnetic impulses perpendicular to the surface of a recording medium

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4957396A (ja) * 1972-10-03 1974-06-04

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7879466B2 (en) 2005-03-30 2011-02-01 Tohoku University Perpendicular magnetic recording medium, and perpendicular magnetic recording and reproducing apparatus
JP2008088519A (ja) * 2006-10-03 2008-04-17 Nisshin Kasei Kk イリジウム・コバルト合金めっき液

Also Published As

Publication number Publication date
JPS6367325B2 (ja) 1988-12-26
US4416943A (en) 1983-11-22
US4486498A (en) 1984-12-04

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