DE69412058T2 - Magnetischer Aufzeichungsträger - Google Patents

Magnetischer Aufzeichungsträger

Info

Publication number
DE69412058T2
DE69412058T2 DE69412058T DE69412058T DE69412058T2 DE 69412058 T2 DE69412058 T2 DE 69412058T2 DE 69412058 T DE69412058 T DE 69412058T DE 69412058 T DE69412058 T DE 69412058T DE 69412058 T2 DE69412058 T2 DE 69412058T2
Authority
DE
Germany
Prior art keywords
record carrier
magnetic record
magnetic
carrier
record
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
DE69412058T
Other languages
English (en)
Other versions
DE69412058D1 (de
Inventor
Shinji Miyazaki
Jiro Yoshinari
Koji Kobayashi
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.)
TDK Corp
Original Assignee
TDK 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 TDK Corp filed Critical TDK Corp
Publication of DE69412058D1 publication Critical patent/DE69412058D1/de
Application granted granted Critical
Publication of DE69412058T2 publication Critical patent/DE69412058T2/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
    • G11B5/62—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
    • G11B5/66—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers
    • G11B5/672—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers having different compositions in a plurality of magnetic layers, e.g. layer compositions having differing elemental components or differing proportions of elements
    • 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
    • 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
DE69412058T 1993-12-28 1994-12-22 Magnetischer Aufzeichungsträger Expired - Fee Related DE69412058T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP33414493 1993-12-28

Publications (2)

Publication Number Publication Date
DE69412058D1 DE69412058D1 (de) 1998-09-03
DE69412058T2 true DE69412058T2 (de) 1998-12-03

Family

ID=18274028

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69412058T Expired - Fee Related DE69412058T2 (de) 1993-12-28 1994-12-22 Magnetischer Aufzeichungsträger

Country Status (6)

Country Link
US (1) US5674637A (de)
EP (1) EP0661694B1 (de)
KR (1) KR100233697B1 (de)
DE (1) DE69412058T2 (de)
HK (1) HK1006659A1 (de)
TW (1) TW297896B (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5922442A (en) * 1996-04-26 1999-07-13 Hmt Technology Corporation Magnetic recording medium having a CoCr alloy interlayer of a low saturation magnetization
JP2821456B1 (ja) * 1997-07-03 1998-11-05 学校法人早稲田大学 コバルト・鉄・ニッケル磁性薄膜とその製造方法，及びそれを用いた複合型薄膜磁気ヘッドと磁気記憶装置
US6168861B1 (en) * 1997-12-12 2001-01-02 Seagate Technology Llc High coercivity, high signal-to-noise ratio dual magnetic layer media
US20050003079A1 (en) * 2003-03-17 2005-01-06 Tdk Corporation Production method of laminated soft magnetic member, production method of soft magnetic sheet, and method for heat treating laminated soft magnetic member
US11315596B2 (en) * 2019-09-17 2022-04-26 International Business Machines Corporation Magnetic recording tape fabrication method having peek substrate
US11244704B2 (en) 2019-09-17 2022-02-08 International Business Machines Corporation Magnetic recording tape having resilient substrate

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54145505A (en) * 1978-05-04 1979-11-13 Matsushita Electric Ind Co Ltd Magnetic recording medium
JPS56143519A (en) * 1980-04-08 1981-11-09 Tdk Corp Magnetic recording medium and manufacturing device
JPS5961014A (ja) * 1982-09-29 1984-04-07 Fuji Photo Film Co Ltd 磁気記録媒体
JPS5961013A (ja) * 1982-09-29 1984-04-07 Fuji Photo Film Co Ltd 磁気記録媒体
JPS5961105A (ja) * 1982-09-30 1984-04-07 Fuji Photo Film Co Ltd 磁気記録媒体
JPS59203238A (ja) * 1983-04-30 1984-11-17 Tdk Corp 磁気記録媒体の製造方法
US4622271A (en) * 1984-04-20 1986-11-11 Fuji Photo Film Co., Ltd. Magnetic recording medium
JP2662777B2 (ja) * 1985-04-15 1997-10-15 日立マクセル株式会社 磁気記録媒体およびその製造方法
JPS61294635A (ja) * 1985-06-21 1986-12-25 Canon Inc 磁気記録媒体
JPH01124115A (ja) * 1987-11-09 1989-05-17 Hitachi Maxell Ltd 磁気記録媒体およびその製造方法
JPH01166330A (ja) * 1987-12-23 1989-06-30 Canon Inc 金属薄膜型磁気記録媒体の製造方法
JPH01208720A (ja) * 1988-02-15 1989-08-22 Mitsubishi Electric Corp 磁気記録媒体
EP0329116B1 (de) * 1988-02-17 1994-05-04 Matsushita Electric Industrial Co., Ltd. Verfahren zur Herstellung eines Aufzeichnungsträgers mit senkrechter Magnetisierung
JPH0268712A (ja) * 1988-09-05 1990-03-08 Hitachi Maxell Ltd 薄膜型磁気記録媒体
JPH02179917A (ja) * 1988-12-29 1990-07-12 Matsushita Electric Ind Co Ltd 磁気記録媒体
JPH02226514A (ja) * 1989-02-23 1990-09-10 Sony Corp 磁気記録媒体
JP2897840B2 (ja) * 1990-05-10 1999-05-31 ティーディーケイ株式会社 磁気記録媒体
JP3167128B2 (ja) * 1990-05-21 2001-05-21 ティーディーケイ株式会社 磁気記録媒体
JPH0434715A (ja) * 1990-05-31 1992-02-05 Tdk Corp 磁気テープ
JPH04206018A (ja) * 1990-11-30 1992-07-28 Tokin Corp 垂直磁気記録媒体
JPH05101365A (ja) * 1991-03-22 1993-04-23 Tdk Corp 垂直磁気記録媒体およびその製造方法
EP0540058A3 (en) * 1991-10-31 1993-06-30 Tokin Corporation Perpendicular magnetic recording medium

Also Published As

Publication number Publication date
KR100233697B1 (ko) 1999-12-01
KR950020436A (ko) 1995-07-24
US5674637A (en) 1997-10-07
DE69412058D1 (de) 1998-09-03
HK1006659A1 (en) 1999-03-12
TW297896B (de) 1997-02-11
EP0661694A3 (de) 1996-09-18
EP0661694A2 (de) 1995-07-05
EP0661694B1 (de) 1998-07-29

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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