DE69129813T2 - Flexibler magnetischer Aufzeichnungsträger und Verfahren zu seiner Herstellung - Google Patents

Flexibler magnetischer Aufzeichnungsträger und Verfahren zu seiner Herstellung

Info

Publication number
DE69129813T2
DE69129813T2 DE69129813T DE69129813T DE69129813T2 DE 69129813 T2 DE69129813 T2 DE 69129813T2 DE 69129813 T DE69129813 T DE 69129813T DE 69129813 T DE69129813 T DE 69129813T DE 69129813 T2 DE69129813 T2 DE 69129813T2
Authority
DE
Germany
Prior art keywords
production
recording medium
magnetic recording
flexible magnetic
flexible
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 - Fee Related
Application number
DE69129813T
Other languages
English (en)
Other versions
DE69129813D1 (de
Inventor
Yoshitake Kato
Kazuya Fukunaga
Akira Katami
Shinichiro Oda
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 JP02285757A external-priority patent/JP3046054B2/ja
Application filed by Hitachi Maxell Ltd filed Critical Hitachi Maxell Ltd
Application granted granted Critical
Publication of DE69129813D1 publication Critical patent/DE69129813D1/de
Publication of DE69129813T2 publication Critical patent/DE69129813T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/02—Containers; Storing means both adapted to cooperate with the recording or reproducing means
    • G11B23/03—Containers for flat record carriers
    • G11B23/0301—Details
    • G11B23/0313—Container cases
    • G11B23/0315—Materials
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/02—Containers; Storing means both adapted to cooperate with the recording or reproducing means
    • G11B23/03—Containers for flat record carriers
    • G11B23/033—Containers for flat record carriers for flexible discs
    • 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
    • G11B5/658—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition containing oxygen, e.g. molecular oxygen or magnetic oxide
    • 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
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • 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
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
DE69129813T 1990-05-21 1991-05-20 Flexibler magnetischer Aufzeichnungsträger und Verfahren zu seiner Herstellung Expired - Fee Related DE69129813T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP12916490 1990-05-21
JP02285757A JP3046054B2 (ja) 1990-03-01 1990-10-25 情報記録用カートリツジおよびフレキシブル磁気記録媒体ならびにその製造方法

Publications (2)

Publication Number Publication Date
DE69129813D1 DE69129813D1 (de) 1998-08-20
DE69129813T2 true DE69129813T2 (de) 1998-12-24

Family

ID=26464650

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69129813T Expired - Fee Related DE69129813T2 (de) 1990-05-21 1991-05-20 Flexibler magnetischer Aufzeichnungsträger und Verfahren zu seiner Herstellung

Country Status (3)

Country Link
US (2) US5317467A (de)
EP (1) EP0458558A3 (de)
DE (1) DE69129813T2 (de)

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KR900002242A (ko) * 1988-07-14 1990-02-28 나가이 아쯔시 자기디스크 카트리지
US5317467A (en) * 1990-05-21 1994-05-31 Hitachi Maxell, Ltd. Data recording cartridge including a flexible magnetic recording medium
JP2956146B2 (ja) * 1990-07-10 1999-10-04 ソニー株式会社 ディスクカートリッジ並びに記録及び／又は再生装置
US5455109A (en) * 1993-04-20 1995-10-03 Hollingsworth & Vose Company Disk lining material
JPH0896549A (ja) * 1994-09-21 1996-04-12 Sony Corp テープカセット及びカセット機構部品
US5710687A (en) * 1995-12-18 1998-01-20 Sony Corporation Lifter device for magnetic disk cartridge having a curved spring structure
JP3546614B2 (ja) 1996-10-07 2004-07-28 ソニー株式会社 ディスクカートリッジ
US6248827B1 (en) 1997-12-22 2001-06-19 Bridgestone Corporation Centipede polymers and preparation and application in rubber compositions
US6248825B1 (en) 1998-05-06 2001-06-19 Bridgestone Corporation Gels derived from extending grafted centipede polymers and polypropylene
US6204354B1 (en) 1998-05-06 2001-03-20 Bridgestone Corporation Soft compounds derived from polypropylene grafted disubstituted ethylene- maleimide copolymers
US6207763B1 (en) 1998-06-12 2001-03-27 Bridgestone Corporation Application of disubstituted ethylene-maleimide copolymers in rubber compounds
US6184292B1 (en) 1998-10-05 2001-02-06 Bridgestone Corporation Soft gel polymers for high temperature use
US6191217B1 (en) 1998-11-17 2001-02-20 Bridgestone Corporation Gels derived from polypropylene grafted alkyl vinylether-maleimide copolymers
US6133354A (en) * 1998-11-17 2000-10-17 Bridgestone Corporation Copolymers as additives in thermoplastic elastomer gels
US6522623B1 (en) * 1999-01-14 2003-02-18 Hitachi Maxell, Ltd. Recording disk cartridge
US6384134B1 (en) 2000-06-05 2002-05-07 Bridgestone Corporation Poly(alkenyl-co-maleimide) and maleated polyalkylene grafted with grafting agent, and epoxy polymer
US6417259B1 (en) 2000-06-05 2002-07-09 Bridgestone Corporation Polyalkylene grafted centipede polymers
US6350800B1 (en) 2000-06-05 2002-02-26 Bridgestone Corporation Soft polymer gel
US6476117B1 (en) 2000-06-05 2002-11-05 Bridgestone Corporation Grafted near-gelation polymers having high damping properties
US6353054B1 (en) 2000-07-31 2002-03-05 Bridgestone Corporation Alkenyl-co-maleimide/diene rubber copolymers and applications
US6359064B1 (en) 2000-09-08 2002-03-19 Bridgestone Corporation Compound of polyester and polyalkylene grafted comb polymer
JP2002343052A (ja) * 2001-05-17 2002-11-29 Fuji Photo Film Co Ltd 記録メディアカートリッジ
US20050194453A1 (en) * 2001-07-27 2005-09-08 Storcard, Inc. Enhanced smart card with rotating storage
ES2483944T3 (es) * 2007-12-28 2014-08-08 Bridgestone Corporation Interpolímeros que contienen unidades méricas de isobutileno y dieno
US10375901B2 (en) 2014-12-09 2019-08-13 Mtd Products Inc Blower/vacuum
JPWO2021132561A1 (de) * 2019-12-27 2021-07-01

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5549626B2 (de) * 1972-07-21 1980-12-12
US3968309A (en) * 1973-11-26 1976-07-06 Dainippon Printing Co., Ltd. Molded articles of plastics having improved surface characteristics and process for producing the same
JPS5865682U (ja) * 1981-10-27 1983-05-04 富士写真フイルム株式会社 磁気テ−プカセツト
JPS60151045A (ja) * 1984-01-19 1985-08-08 富士写真フイルム株式会社 感光材料用包装材料
JPS60177481A (ja) * 1984-02-22 1985-09-11 Sumitomo Chem Co Ltd 磁気デイスク用ジヤケツト
JPS6128170U (ja) * 1984-07-23 1986-02-20 電気化学工業株式会社 フロツピ−デイスク用ジヤケツト
JPS6132281A (ja) * 1984-07-24 1986-02-14 Mitsui Toatsu Chem Inc フロツピ−デイスクジヤケツト
JPS6164747A (ja) * 1984-09-07 1986-04-03 Toray Ind Inc 樹脂組成物
JPS6173753A (ja) * 1984-09-20 1986-04-15 Toray Ind Inc 樹脂組成物
JPH0419640Y2 (de) * 1985-02-15 1992-05-06
JPS62154281A (ja) * 1985-12-26 1987-07-09 Hitachi Maxell Ltd 磁気テ−プカ−トリツジ
DE3788818T2 (de) * 1986-04-14 1994-06-30 Toray Industries Innerlich antistatische thermoplastische Harzzusammensetzungen.
JPS6339183A (ja) * 1986-08-01 1988-02-19 Asahi Chem Ind Co Ltd カセツトハ−フ
JPH0632180B2 (ja) * 1987-04-20 1994-04-27 富士写真フイルム株式会社 円盤状磁気記録媒体の製造方法
JPS63291216A (ja) * 1987-05-22 1988-11-29 Toyobo Co Ltd 磁気記録媒体用２軸配向ポリエステルフイルム
JPH025273A (ja) * 1988-06-24 1990-01-10 Asahi Chem Ind Co Ltd 大径光デイスク用カートリツジケース
JP2542918B2 (ja) * 1988-11-18 1996-10-09 コニカ株式会社 テ―プカセット
JP2961816B2 (ja) * 1989-06-05 1999-10-12 ソニー株式会社 ディスクカートリッジ
US5317467A (en) * 1990-05-21 1994-05-31 Hitachi Maxell, Ltd. Data recording cartridge including a flexible magnetic recording medium
JPH04241226A (ja) * 1991-01-09 1992-08-28 Fuji Photo Film Co Ltd 磁気記録媒体の製造方法

Also Published As

Publication number Publication date
EP0458558A3 (en) 1993-01-20
US5432662A (en) 1995-07-11
EP0458558A2 (de) 1991-11-27
US5317467A (en) 1994-05-31
DE69129813D1 (de) 1998-08-20

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee