ES2019290B3 - Registrador magnetico - Google Patents

Registrador magnetico

Info

Publication number
ES2019290B3
ES2019290B3 ES86308510T ES86308510T ES2019290B3 ES 2019290 B3 ES2019290 B3 ES 2019290B3 ES 86308510 T ES86308510 T ES 86308510T ES 86308510 T ES86308510 T ES 86308510T ES 2019290 B3 ES2019290 B3 ES 2019290B3
Authority
ES
Spain
Prior art keywords
magnetic recorder
recorder
magnetic
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
ES86308510T
Other languages
English (en)
Inventor
Chiaki Abe
Hiroyuki Kanai
Akira Ishikawa
Takashi Takeuchi
Shigetoshi Suzue
Takahide Minami
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.)
Kao Corp
Original Assignee
Kao 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
Priority claimed from JP60245591A external-priority patent/JPS62117141A/ja
Priority claimed from JP60266876A external-priority patent/JPS62125530A/ja
Priority claimed from JP60266875A external-priority patent/JPS62125529A/ja
Priority claimed from JP610586A external-priority patent/JPH0719359B2/ja
Priority claimed from JP610486A external-priority patent/JPH0719358B2/ja
Application filed by Kao Corp filed Critical Kao Corp
Application granted granted Critical
Publication of ES2019290B3 publication Critical patent/ES2019290B3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G11B5/71—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 lubricant
    • 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
    • G11B5/702—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 bonding agent
    • 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
    • G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
    • 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
    • Y10T428/29—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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
    • Y10T428/31609—Particulate metal or metal compound-containing
    • 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]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/31935—Ester, halide or nitrile of addition polymer
    • 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]
    • Y10T428/31942—Of aldehyde or ketone condensation product
    • 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]
    • Y10T428/31971—Of carbohydrate
ES86308510T 1985-11-01 1986-10-31 Registrador magnetico Expired - Lifetime ES2019290B3 (es)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP60245591A JPS62117141A (ja) 1985-11-01 1985-11-01 磁気記録媒体
JP60266876A JPS62125530A (ja) 1985-11-27 1985-11-27 磁気記録媒体
JP60266875A JPS62125529A (ja) 1985-11-27 1985-11-27 磁気記録媒体
JP610586A JPH0719359B2 (ja) 1986-01-14 1986-01-14 磁気記録媒体
JP610486A JPH0719358B2 (ja) 1986-01-14 1986-01-14 磁気記録媒体

Publications (1)

Publication Number Publication Date
ES2019290B3 true ES2019290B3 (es) 1991-06-16

Family

ID=27518668

Family Applications (1)

Application Number Title Priority Date Filing Date
ES86308510T Expired - Lifetime ES2019290B3 (es) 1985-11-01 1986-10-31 Registrador magnetico

Country Status (5)

Country Link
US (1) US4741959A (es)
EP (1) EP0222564B1 (es)
CA (1) CA1316770C (es)
DE (1) DE3676639D1 (es)
ES (1) ES2019290B3 (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63164017A (ja) * 1986-12-26 1988-07-07 Kao Corp 磁気記録媒体
JPH0775065B2 (ja) * 1987-09-30 1995-08-09 富士写真フイルム株式会社 磁気記録媒体
JP2514829B2 (ja) * 1988-03-29 1996-07-10 富士写真フイルム株式会社 磁気記録媒体
JP2559250B2 (ja) * 1988-04-01 1996-12-04 富士写真フイルム株式会社 磁気記録媒体
EP0345697B1 (en) * 1988-06-06 1994-11-23 Fuji Photo Film Co., Ltd. Magnetic recording medium
DE3924457A1 (de) * 1988-07-22 1990-03-29 Fuji Photo Film Co Ltd Magnetaufzeichnungsmedium
DE3924449A1 (de) * 1988-07-25 1990-02-01 Fuji Photo Film Co Ltd Magnetaufzeichnungsmedium
US5061564A (en) * 1988-07-25 1991-10-29 Fuji Photo Film Co., Ltd. Magnetic recording medium comprising a polar group containing resin or compound and a methyl iso ester lubricant prepared from a methyl iso acid or methyl iso alcohol or both
JPH11339253A (ja) * 1998-05-21 1999-12-10 Sony Corp 磁気記録媒体およびその製造方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6028052B2 (ja) * 1977-06-01 1985-07-02 ソニー株式会社 磁気記録媒体
JPS5597026A (en) * 1979-01-16 1980-07-23 Tdk Corp Magnetic recording medium
JPS5698717A (en) * 1980-01-11 1981-08-08 Victor Co Of Japan Ltd Magnetic recording medium
JPS5698716A (en) * 1980-01-11 1981-08-08 Victor Co Of Japan Ltd Magnetic recording medium
JPS58130435A (ja) * 1982-01-29 1983-08-03 Fuji Photo Film Co Ltd 磁気記録媒体
US4522885A (en) * 1983-02-12 1985-06-11 Hitachi Maxell, Ltd. Magnetic recording medium
US4595640A (en) * 1983-12-27 1986-06-17 Minnesota Mining And Manufacturing Company Lubricant system for magnetic recording media containing isomeric acids or alcohols
US4675250A (en) * 1985-03-20 1987-06-23 Kao Corporation Magnetic recording medium

Also Published As

Publication number Publication date
DE3676639D1 (de) 1991-02-07
EP0222564A2 (en) 1987-05-20
EP0222564A3 (en) 1988-07-13
EP0222564B1 (en) 1990-12-27
US4741959A (en) 1988-05-03
CA1316770C (en) 1993-04-27

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