DE3066061D1 - Magnetic recording medium - Google Patents

Magnetic recording medium

Info

Publication number
DE3066061D1
DE3066061D1 DE8080106109T DE3066061T DE3066061D1 DE 3066061 D1 DE3066061 D1 DE 3066061D1 DE 8080106109 T DE8080106109 T DE 8080106109T DE 3066061 T DE3066061 T DE 3066061T DE 3066061 D1 DE3066061 D1 DE 3066061D1
Authority
DE
Germany
Prior art keywords
recording medium
magnetic recording
magnetic
medium
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
Application number
DE8080106109T
Other languages
English (en)
Inventor
Hiroshi Zaitsu
Shigeyuku Hosoo
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.)
Maxell Holdings Ltd
Original Assignee
Hitachi Maxell 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
Priority claimed from JP54130538A external-priority patent/JPS5854485B2/ja
Priority claimed from JP13053779A external-priority patent/JPS5654638A/ja
Application filed by Hitachi Maxell Ltd filed Critical Hitachi Maxell Ltd
Application granted granted Critical
Publication of DE3066061D1 publication Critical patent/DE3066061D1/de
Expired 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
    • G11B5/712—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 surface treatment or coating of magnetic particles
    • 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
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/256—Heavy metal or aluminum or compound thereof
    • 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
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991—Coated
    • 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
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991—Coated
    • Y10T428/2998—Coated including synthetic resin or polymer
DE8080106109T 1979-10-09 1980-10-08 Magnetic recording medium Expired DE3066061D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP54130538A JPS5854485B2 (ja) 1979-10-09 1979-10-09 金属磁性粉末と処理方法
JP13053779A JPS5654638A (en) 1979-10-09 1979-10-09 Magnetic recording medium

Publications (1)

Publication Number Publication Date
DE3066061D1 true DE3066061D1 (en) 1984-02-09

Family

ID=26465647

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8080106109T Expired DE3066061D1 (en) 1979-10-09 1980-10-08 Magnetic recording medium

Country Status (3)

Country Link
US (1) US4305993A (de)
EP (1) EP0027255B1 (de)
DE (1) DE3066061D1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS563428A (en) * 1979-06-20 1981-01-14 Fuji Photo Film Co Ltd Magnetic recording medium
JPS5737737A (en) * 1980-08-15 1982-03-02 Fuji Photo Film Co Ltd Magnetic recording medium
JPS5753824A (en) * 1980-09-12 1982-03-31 Fuji Photo Film Co Ltd Magnetic recording medium
JPS5870427A (ja) * 1981-10-20 1983-04-26 Konishiroku Photo Ind Co Ltd 磁気記録媒体
JPS618727A (ja) * 1984-06-21 1986-01-16 Fuji Photo Film Co Ltd 磁気記録媒体
JPH04246475A (ja) * 1991-01-31 1992-09-02 Daikin Ind Ltd 磁性塗料の製造方法
US6808741B1 (en) * 2001-10-26 2004-10-26 Seagate Technology Llc In-line, pass-by method for vapor lubrication
US6805904B2 (en) 2002-02-20 2004-10-19 International Business Machines Corporation Process of forming a multilayer nanoparticle-containing thin film self-assembly

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3029157A (en) * 1958-11-18 1962-04-10 Audio Devices Inc Magnetizable image transfer medium
US3704152A (en) * 1970-09-10 1972-11-28 Basf Ag Magnetic recording media
US3790407A (en) * 1970-12-28 1974-02-05 Ibm Recording media and method of making
US4091143A (en) * 1973-01-02 1978-05-23 Basf Aktiengesellschaft Magnetic recording media
JPS547074B2 (de) * 1973-01-24 1979-04-03
JPS544613B2 (de) * 1973-03-10 1979-03-08
JPS5630609B2 (de) * 1973-11-02 1981-07-16
JPS5922293B2 (ja) * 1976-09-16 1984-05-25 三菱電機株式会社 情報記録装置
NL7614182A (nl) * 1976-12-21 1978-06-23 Philips Nv Magnetisch registratie-element waarin als dispergeermiddel een zout van een amine en een fosforzure ester wordt toegepast.
JPS54150104A (en) * 1978-05-17 1979-11-26 Tdk Corp Magnetic recording medium

Also Published As

Publication number Publication date
EP0027255A1 (de) 1981-04-22
EP0027255B1 (de) 1984-01-04
US4305993A (en) 1981-12-15

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee