FR2762430B1 - Support d'enregistrement magnetique a liant polyurethane - Google Patents

Support d'enregistrement magnetique a liant polyurethane

Info

Publication number
FR2762430B1
FR2762430B1 FR9802630A FR9802630A FR2762430B1 FR 2762430 B1 FR2762430 B1 FR 2762430B1 FR 9802630 A FR9802630 A FR 9802630A FR 9802630 A FR9802630 A FR 9802630A FR 2762430 B1 FR2762430 B1 FR 2762430B1
Authority
FR
France
Prior art keywords
recording medium
magnetic recording
polyurethane binder
polyurethane
binder
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
FR9802630A
Other languages
English (en)
French (fr)
Other versions
FR2762430A1 (fr
Inventor
Atsushi Kato
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 FR2762430A1 publication Critical patent/FR2762430A1/fr
Application granted granted Critical
Publication of FR2762430B1 publication Critical patent/FR2762430B1/fr
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
    • G11B5/62—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
    • G11B5/7021—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 a polyurethane or a polyisocyanate
FR9802630A 1997-03-04 1998-03-04 Support d'enregistrement magnetique a liant polyurethane Expired - Fee Related FR2762430B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP04898597A JP4123538B2 (ja) 1997-03-04 1997-03-04 磁気記録媒体

Publications (2)

Publication Number Publication Date
FR2762430A1 FR2762430A1 (fr) 1998-10-23
FR2762430B1 true FR2762430B1 (fr) 2000-11-17

Family

ID=12818542

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9802630A Expired - Fee Related FR2762430B1 (fr) 1997-03-04 1998-03-04 Support d'enregistrement magnetique a liant polyurethane

Country Status (3)

Country Link
US (1) US6114057A (https=)
JP (1) JP4123538B2 (https=)
FR (1) FR2762430B1 (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000005714A1 (en) * 1998-07-21 2000-02-03 Fuji Photo Film Co., Ltd. Magnetic recording medium
JP2001134921A (ja) * 1999-11-05 2001-05-18 Fuji Photo Film Co Ltd 磁気記録媒体
JP2004046952A (ja) * 2002-07-10 2004-02-12 Sony Corp 磁気記録媒体
US7585576B2 (en) 2002-12-19 2009-09-08 Sony Corporation Magnetic recording medium with dual magnetic layers including specific resins
JP2006225454A (ja) * 2005-02-16 2006-08-31 Toyobo Co Ltd ポリイミド系樹脂

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0752504B2 (ja) * 1986-04-18 1995-06-05 富士写真フイルム株式会社 磁気記録媒体
JPH02108225A (ja) * 1988-10-17 1990-04-20 Tdk Corp 磁気記録媒体
US5124424A (en) * 1989-04-26 1992-06-23 Nippon Polyurethane Industry Co., Ltd. Polyurethane resin binder for magnetic recording mediums comprising a polycarbonate polyol
JP3339662B2 (ja) * 1993-12-29 2002-10-28 ソニー株式会社 磁気記録媒体及びその製造方法
JP2672783B2 (ja) * 1994-05-05 1997-11-05 モートン インターナショナル，インコーポレイティド アミノアルキルホスホネートを含む磁気記録用バインダー
JPH08293115A (ja) * 1995-02-24 1996-11-05 Fuji Photo Film Co Ltd 磁気記録媒体用結合剤および磁気記録媒体
JP3669521B2 (ja) * 1995-03-31 2005-07-06 富士写真フイルム株式会社 磁気記録媒体
JP3638360B2 (ja) * 1995-12-26 2005-04-13 富士写真フイルム株式会社 磁気記録媒体

Also Published As

Publication number Publication date
JPH10247315A (ja) 1998-09-14
FR2762430A1 (fr) 1998-10-23
US6114057A (en) 2000-09-05
JP4123538B2 (ja) 2008-07-23

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20121130