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DE69408203D1 - Magnetischer Aufzeichnungsträger - Google Patents

Magnetischer Aufzeichnungsträger

Info

Publication number
DE69408203D1
DE69408203D1 DE69408203T DE69408203T DE69408203D1 DE 69408203 D1 DE69408203 D1 DE 69408203D1 DE 69408203 T DE69408203 T DE 69408203T DE 69408203 T DE69408203 T DE 69408203T DE 69408203 D1 DE69408203 D1 DE 69408203D1
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
DE69408203T
Other languages
English (en)
Other versions
DE69408203T2 (de
Inventor
Hidetoshi Honda
Yasumi Sato
Taketoshi Sato
Jota Ito
Yoshihito Ebine
Toshikazu Sasaki
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 DE69408203D1 publication Critical patent/DE69408203D1/de
Application granted granted Critical
Publication of DE69408203T2 publication Critical patent/DE69408203T2/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
    • G11B5/8408—Processes or apparatus specially adapted for manufacturing record carriers protecting the magnetic layer
    • 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
    • G11B5/72—Protective coatings, e.g. anti-static or antifriction
    • G11B5/727—Inorganic carbon protective coating, e.g. graphite, diamond like carbon or doped carbon
    • 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
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, 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
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
    • Y10T428/264—Up to 3 mils
    • Y10T428/265—1 mil or less
    • 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
    • Y10T428/30—Self-sustaining carbon mass or layer with impregnant or other layer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Magnetic Record Carriers (AREA)
DE69408203T 1993-05-28 1994-05-17 Magnetischer Aufzeichnungsträger Expired - Fee Related DE69408203T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5127518A JPH06338049A (ja) 1993-05-28 1993-05-28 磁気記録媒体

Publications (2)

Publication Number Publication Date
DE69408203D1 true DE69408203D1 (de) 1998-03-05
DE69408203T2 DE69408203T2 (de) 1998-08-27

Family

ID=14962001

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69408203T Expired - Fee Related DE69408203T2 (de) 1993-05-28 1994-05-17 Magnetischer Aufzeichnungsträger

Country Status (5)

Country Link
US (1) US5662984A (de)
EP (1) EP0626677B1 (de)
JP (1) JPH06338049A (de)
KR (1) KR100278790B1 (de)
DE (1) DE69408203T2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH117622A (ja) * 1997-04-25 1999-01-12 Hitachi Ltd 磁気記録媒体用基板、磁気記録媒体及び磁気記録媒体の製造方法
US6251496B1 (en) * 1997-12-16 2001-06-26 Matsushita Electric Industrial Co., Ltd. Magnetic recording medium method and apparatus for producing the same
JP2005327368A (ja) * 2004-05-14 2005-11-24 Fujitsu Ltd 磁気記録装置用保護層、磁気ヘッドおよび磁気記録装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3275959D1 (en) * 1981-03-30 1987-05-07 Teijin Ltd Magnetic recording medium
US4540618A (en) * 1982-08-12 1985-09-10 Matsushita Electric Industrial Co., Ltd. Magnetic recording medium
DE3370710D1 (en) * 1982-11-19 1987-05-07 Matsushita Electric Ind Co Ltd Magnetic recording medium
DE3445345A1 (de) * 1983-12-12 1985-06-13 TDK Corporation, Tokio/Tokyo Magnetisches aufzeichnungsmedium
JPS6111921A (ja) * 1984-06-27 1986-01-20 Tdk Corp 磁気記録媒体および磁気記録方法
JPS6139921A (ja) * 1984-07-31 1986-02-26 Tdk Corp 磁気記録媒体および磁気記録方法
JPS6142724A (ja) * 1984-08-03 1986-03-01 Tdk Corp 磁気記録媒体および磁気記録方法
JPH0795369B2 (ja) * 1985-12-25 1995-10-11 株式会社東芝 垂直磁気記録媒体
EP0312616B1 (de) * 1987-05-01 1993-09-29 Toray Industries, Inc. Polyesterfilm und magnetisches speichermedium
JPH0675287B2 (ja) * 1987-10-07 1994-09-21 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
KR100278790B1 (ko) 2001-01-15
EP0626677B1 (de) 1998-01-28
JPH06338049A (ja) 1994-12-06
US5662984A (en) 1997-09-02
DE69408203T2 (de) 1998-08-27
EP0626677A1 (de) 1994-11-30

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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