FR2584522A1 - Milieu d'enregistrement magnetique - Google Patents

Milieu d'enregistrement magnetique Download PDF

Info

Publication number
FR2584522A1
FR2584522A1 FR8609629A FR8609629A FR2584522A1 FR 2584522 A1 FR2584522 A1 FR 2584522A1 FR 8609629 A FR8609629 A FR 8609629A FR 8609629 A FR8609629 A FR 8609629A FR 2584522 A1 FR2584522 A1 FR 2584522A1
Authority
FR
France
Prior art keywords
recording medium
magnetic recording
magnetic
tertiary amine
group
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
FR8609629A
Other languages
English (en)
French (fr)
Other versions
FR2584522B1 (OSRAM
Inventor
Kiyokazu Oiyama
Yoshinobu Ninomiya
Hiroshi Yoshioka
Ichiro Ono
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Publication of FR2584522A1 publication Critical patent/FR2584522A1/fr
Application granted granted Critical
Publication of FR2584522B1 publication Critical patent/FR2584522B1/fr
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
    • G11B5/7013—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 dispersing 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
    • G11B5/68—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
    • G11B5/7023—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 containing polyesters, polyethers, silicones, polyvinyl resins, polyacrylresins or epoxy resins
    • 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
    • Y10T428/31504—Composite [nonstructural laminate]
    • 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

Landscapes

  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
FR8609629A 1985-07-02 1986-07-02 Milieu d'enregistrement magnetique Granted FR2584522A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60145362A JPS626429A (ja) 1985-07-02 1985-07-02 磁気記録媒体

Publications (2)

Publication Number Publication Date
FR2584522A1 true FR2584522A1 (fr) 1987-01-09
FR2584522B1 FR2584522B1 (OSRAM) 1993-02-26

Family

ID=15383448

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8609629A Granted FR2584522A1 (fr) 1985-07-02 1986-07-02 Milieu d'enregistrement magnetique

Country Status (5)

Country Link
US (1) US4734330A (OSRAM)
JP (1) JPS626429A (OSRAM)
DE (1) DE3622070A1 (OSRAM)
FR (1) FR2584522A1 (OSRAM)
NL (1) NL8601725A (OSRAM)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0283609A1 (en) * 1987-03-25 1988-09-28 Sekisui Kagaku Kogyo Kabushiki Kaisha Resin for use in magnetic recording media and method of producing the same
EP0343576A3 (en) * 1988-05-27 1990-12-05 Takeda Chemical Industries, Ltd. Binders for magnetic recording media and magnetic recording media
US5028676A (en) * 1989-06-26 1991-07-02 Sekisui Kagaku Kogyo Kabushiki Kaisha Resin for magnetic recording media from vinyl chloride with quanternary and phosphoric monomers
EP0626678A3 (en) * 1993-03-22 1995-01-11 Union Carbide Chem Plastic Magnetic recording media.

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS626429A (ja) * 1985-07-02 1987-01-13 Sony Corp 磁気記録媒体
GB8616186D0 (en) * 1986-07-02 1986-08-06 Ici Plc Electroconductive coating composition
JPS63121117A (ja) * 1986-11-10 1988-05-25 Nippon Zeon Co Ltd 磁気記録媒体
US4770941A (en) * 1986-12-24 1988-09-13 Nisshin Chemical Industry Co., Ltd. Magnetic recording medium and a coating composition therefor
JPH0695380B2 (ja) * 1987-03-19 1994-11-24 富士写真フイルム株式会社 磁気記録媒体
JPS63229612A (ja) * 1987-03-19 1988-09-26 Fuji Photo Film Co Ltd 磁気記録媒体
JPH0711856B2 (ja) * 1987-04-20 1995-02-08 富士写真フイルム株式会社 磁気記録媒体
JPH0775064B2 (ja) * 1987-04-28 1995-08-09 日信化学工業株式会社 磁気記録媒体
JPS63279420A (ja) * 1987-05-11 1988-11-16 Fuji Photo Film Co Ltd 磁気記録媒体
JPH0664727B2 (ja) * 1987-08-05 1994-08-22 富士写真フイルム株式会社 磁気記録媒体
JPS6449116A (en) * 1987-08-20 1989-02-23 Sony Corp Magnetic recording medium
JP2817877B2 (ja) * 1987-10-14 1998-10-30 ソニー株式会社 磁気記録媒体
JP2646018B2 (ja) * 1987-11-13 1997-08-25 日立マクセル株式会社 磁気記録媒体
JPH07114013B2 (ja) * 1987-12-28 1995-12-06 富士写真フイルム株式会社 磁気記録媒体
JPH0369015A (ja) * 1989-08-07 1991-03-25 Nippon Zeon Co Ltd 磁気記録媒体
JP2654195B2 (ja) * 1989-08-22 1997-09-17 富士写真フイルム株式会社 磁気記録媒体
JP3006112B2 (ja) * 1991-02-18 2000-02-07 日本ゼオン株式会社 磁気記録媒体並びにこれに用いる磁性粉末用バインダー及びこの磁性粉末用バインダー樹脂の製造方法
US8535634B2 (en) * 2007-05-04 2013-09-17 Advanced Materials Corporation Iron nitride powders for use in magnetic, electromagnetic, and microelectronic devices

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2108973A (en) * 1981-10-23 1983-05-25 Tdk Electronics Co Ltd Magnetic recording medium
JPS58150130A (ja) * 1982-03-03 1983-09-06 Sony Corp 磁気記録媒体
JPS5996534A (ja) * 1982-11-22 1984-06-04 Konishiroku Photo Ind Co Ltd 磁気記録媒体
JPS61133012A (ja) * 1984-11-30 1986-06-20 Hitachi Maxell Ltd 磁気記録媒体

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4152485A (en) * 1977-08-05 1979-05-01 Toyo Boseki Kabushiki Kaisha Magnetic recording medium
JPS5753824A (en) * 1980-09-12 1982-03-31 Fuji Photo Film Co Ltd Magnetic recording medium
JPS5812131A (ja) * 1981-07-13 1983-01-24 Sony Corp 磁気記録媒体
JPS58102504A (ja) * 1981-12-14 1983-06-18 Fuji Photo Film Co Ltd 強磁性微粉末の表面処理方法
JPS595424A (ja) * 1982-07-01 1984-01-12 Sony Corp 磁気記録媒体
JPS595423A (ja) * 1982-07-01 1984-01-12 Sony Corp 磁気記録媒体
JPS59175024A (ja) * 1983-03-23 1984-10-03 Sony Corp 磁気記録媒体
JPS6153368A (ja) * 1984-08-22 1986-03-17 Nippon Zeon Co Ltd 磁性塗料
US4600521A (en) * 1984-10-09 1986-07-15 Nippon Zeon Co., Ltd. Electron-beam reactive magnetic coating composition for magnetic recording media
JPS626430A (ja) * 1985-07-02 1987-01-13 Sony Corp 磁気記録媒体
JPS626429A (ja) * 1985-07-02 1987-01-13 Sony Corp 磁気記録媒体
JPH0673171B2 (ja) * 1985-07-04 1994-09-14 ソニー株式会社 磁気記録媒体
JPS6228924A (ja) * 1985-07-30 1987-02-06 Sony Corp 磁気記録媒体

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2108973A (en) * 1981-10-23 1983-05-25 Tdk Electronics Co Ltd Magnetic recording medium
JPS58150130A (ja) * 1982-03-03 1983-09-06 Sony Corp 磁気記録媒体
JPS5996534A (ja) * 1982-11-22 1984-06-04 Konishiroku Photo Ind Co Ltd 磁気記録媒体
JPS61133012A (ja) * 1984-11-30 1986-06-20 Hitachi Maxell Ltd 磁気記録媒体

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 10, no. 327 (P-513)(2383), 7 novembre 1986; & JP - A - 61133012 (HITACHI MAXELL LTD) 20.06.1986 *
PATENT ABSTRACTS OF JAPAN vol. 7, no. 270 (P-240)(1415), 2 décembre 1983; & JP - A - 58150130 (SONY K.K.) 06.09.1983 *
PATENT ABSTRACTS OF JAPAN vol. 8, no. 214 (P-304)(1651), 29 septembre 1984; & JP - A - 59096534 (KONISHIROKU SHASHIN KOGYO K.K.) 04.06.1984 *

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0283609A1 (en) * 1987-03-25 1988-09-28 Sekisui Kagaku Kogyo Kabushiki Kaisha Resin for use in magnetic recording media and method of producing the same
US4861683A (en) * 1987-03-25 1989-08-29 Sekisui Kagaku Kogyo Kabushiki Kaisha Quaternary-containing resin used for magnetic recording media
US5008357A (en) * 1987-03-25 1991-04-16 Sekisui Kagaku Kogyo Kabushiki Kaisha Resin for magnetic recording media from vinyl chloride polymer with quaternary groups
US5037893A (en) * 1987-03-25 1991-08-06 Sekisui Kagaku Kogyo Kabushiki Kaisha Resin used for magnetic recording media derived from vinyl chloride and quaternary monomer
EP0343576A3 (en) * 1988-05-27 1990-12-05 Takeda Chemical Industries, Ltd. Binders for magnetic recording media and magnetic recording media
US5028676A (en) * 1989-06-26 1991-07-02 Sekisui Kagaku Kogyo Kabushiki Kaisha Resin for magnetic recording media from vinyl chloride with quanternary and phosphoric monomers
EP0626678A3 (en) * 1993-03-22 1995-01-11 Union Carbide Chem Plastic Magnetic recording media.
US5531914A (en) * 1993-03-22 1996-07-02 Union Carbide Chemicals & Plastics Technology Corporation Magnetic coating composition

Also Published As

Publication number Publication date
US4734330A (en) 1988-03-29
DE3622070A1 (de) 1987-01-08
JPS626429A (ja) 1987-01-13
NL8601725A (nl) 1987-02-02
FR2584522B1 (OSRAM) 1993-02-26

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