JPH0340491B2 - - Google Patents

Info

Publication number
JPH0340491B2
JPH0340491B2 JP56194400A JP19440081A JPH0340491B2 JP H0340491 B2 JPH0340491 B2 JP H0340491B2 JP 56194400 A JP56194400 A JP 56194400A JP 19440081 A JP19440081 A JP 19440081A JP H0340491 B2 JPH0340491 B2 JP H0340491B2
Authority
JP
Japan
Prior art keywords
film
magnetic recording
substrate
coercive force
recording
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 - Lifetime
Application number
JP56194400A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5896706A (ja
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 filed Critical
Priority to JP56194400A priority Critical patent/JPS5896706A/ja
Priority to US06/418,610 priority patent/US4452864A/en
Priority to DE3237232A priority patent/DE3237232C2/de
Publication of JPS5896706A publication Critical patent/JPS5896706A/ja
Publication of JPH0340491B2 publication Critical patent/JPH0340491B2/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
    • G11B5/64—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent
    • G11B5/65—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition
    • G11B5/656—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition containing Co
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/922—Static electricity metal bleed-off metallic stock
    • Y10S428/9265—Special properties
    • Y10S428/928—Magnetic property
    • 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
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12465—All metal or with adjacent metals having magnetic properties, or preformed fiber orientation coordinate with shape
    • 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
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771—Transition metal-base component
    • Y10T428/12778—Alternative base metals from diverse categories
    • 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
    • Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
    • Y10T428/264—Up to 3 mils
    • Y10T428/265—1 mil or less
    • 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

  • Magnetic Record Carriers (AREA)
  • Thin Magnetic Films (AREA)
JP56194400A 1981-12-04 1981-12-04 磁気記録媒体 Granted JPS5896706A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP56194400A JPS5896706A (ja) 1981-12-04 1981-12-04 磁気記録媒体
US06/418,610 US4452864A (en) 1981-12-04 1982-09-16 Magnetic recording medium
DE3237232A DE3237232C2 (de) 1981-12-04 1982-10-07 Magnetisches Aufzeichnungsmedium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56194400A JPS5896706A (ja) 1981-12-04 1981-12-04 磁気記録媒体

Publications (2)

Publication Number Publication Date
JPS5896706A JPS5896706A (ja) 1983-06-08
JPH0340491B2 true JPH0340491B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-06-19

Family

ID=16323963

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56194400A Granted JPS5896706A (ja) 1981-12-04 1981-12-04 磁気記録媒体

Country Status (3)

Country Link
US (1) US4452864A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5896706A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3237232C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57149706A (en) * 1981-03-12 1982-09-16 Tdk Corp Magnetic recording medium
US4645719A (en) * 1984-06-18 1987-02-24 Fuji Photo Film Co., Ltd. Soft magnetic thin film having uniaxial magnetic anisotropy
US4587176A (en) * 1985-01-14 1986-05-06 E. I. Du Pont De Nemours And Company Layered coherent structures for magnetic recording
US5023148A (en) * 1987-12-30 1991-06-11 Seagate Technology, Inc. Tine film cobalt-containing recording medium

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5837616B2 (ja) * 1976-04-27 1983-08-17 富士写真フイルム株式会社 磁気記録媒体の製造法
JPS5891B2 (ja) * 1977-09-30 1983-01-05 俊一 岩崎 磁気記録媒体
US4277809A (en) * 1979-09-26 1981-07-07 Memorex Corporation Apparatus for recording magnetic impulses perpendicular to the surface of a recording medium

Also Published As

Publication number Publication date
DE3237232A1 (de) 1983-06-09
DE3237232C2 (de) 1994-05-26
JPS5896706A (ja) 1983-06-08
US4452864A (en) 1984-06-05

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