FR2725068B1 - Support d'enregistrement magnetique - Google Patents

Support d'enregistrement magnetique

Info

Publication number
FR2725068B1
FR2725068B1 FR9511146A FR9511146A FR2725068B1 FR 2725068 B1 FR2725068 B1 FR 2725068B1 FR 9511146 A FR9511146 A FR 9511146A FR 9511146 A FR9511146 A FR 9511146A FR 2725068 B1 FR2725068 B1 FR 2725068B1
Authority
FR
France
Prior art keywords
recording medium
magnetic recording
magnetic
medium
recording
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
FR9511146A
Other languages
English (en)
Other versions
FR2725068A1 (fr
Inventor
Jota Ito
Takashi Chiba
Kenechi Sato
Hidetoshi Honda
Toshiharu Uchimi
Taketoshi Sato
Yukihiro Koshika
Yasumi Sato
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 FR2725068A1 publication Critical patent/FR2725068A1/fr
Application granted granted Critical
Publication of FR2725068B1 publication Critical patent/FR2725068B1/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
    • G11B5/64—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
    • 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
    • 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
    • G11B5/85—Coating a support with a magnetic layer by vapour deposition
    • 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
    • Y10S438/00—Semiconductor device manufacturing: process
    • Y10S438/90—Bulk effect device making

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Magnetic Record Carriers (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
FR9511146A 1994-09-22 1995-09-22 Support d'enregistrement magnetique Expired - Fee Related FR2725068B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6227844A JPH0896339A (ja) 1994-09-22 1994-09-22 磁気記録媒体

Publications (2)

Publication Number Publication Date
FR2725068A1 FR2725068A1 (fr) 1996-03-29
FR2725068B1 true FR2725068B1 (fr) 1997-10-24

Family

ID=16867260

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9511146A Expired - Fee Related FR2725068B1 (fr) 1994-09-22 1995-09-22 Support d'enregistrement magnetique

Country Status (4)

Country Link
US (1) US5914180A (fr)
JP (1) JPH0896339A (fr)
DE (1) DE19535142B4 (fr)
FR (1) FR2725068B1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6808741B1 (en) 2001-10-26 2004-10-26 Seagate Technology Llc In-line, pass-by method for vapor lubrication
US7081268B2 (en) * 2003-06-03 2006-07-25 Seagate Technology Llc In-situ post-deposition oxidation treatment for improved magnetic recording media
US20050244680A1 (en) * 2004-05-03 2005-11-03 Imation Corp. Environmentally stable metal-evaporated recording media
CN115667574A (zh) * 2020-06-04 2023-01-31 应用材料公司 气相沉积设备和在真空腔室中涂覆基板的方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4124736A (en) * 1974-10-29 1978-11-07 Poly-Disc Systems, Inc. Surface protected magnetic recording members
JPS5720920A (en) * 1980-07-14 1982-02-03 Sekisui Chem Co Ltd Magnetic recording medium and its manufacture
JPH0766528B2 (ja) * 1983-03-18 1995-07-19 富士写真フイルム株式会社 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
JPS60138720A (ja) * 1983-12-27 1985-07-23 Sharp Corp 垂直磁気記録媒体
EP0151445B2 (fr) * 1984-01-26 1993-11-03 Hitachi Maxell Ltd. Fabrication d'un milieu d'enregistrement magnétique
JPH0766507B2 (ja) * 1984-02-16 1995-07-19 コニカ株式会社 磁気記録媒体
EP0180242B1 (fr) * 1984-11-02 1991-01-23 Teijin Limited Milieu d'enregistrement magnétique, procédé de sa fabrication et procédé d'enregistrement et de reproduction avec le même milieu et une tête magnétique
JPH0687291B2 (ja) * 1985-06-05 1994-11-02 松下電器産業株式会社 磁気記録媒体
US4994321A (en) * 1986-01-24 1991-02-19 Fuji Photo Film Co., Ltd. Perpendicular magnetic recording medium and the method for preparing the same
US5571595A (en) * 1991-11-18 1996-11-05 Sony Corporation Magnetic recording medium and method for production thereof
JPH0765345A (ja) * 1993-08-20 1995-03-10 Hitachi Ltd 磁気記録媒体

Also Published As

Publication number Publication date
JPH0896339A (ja) 1996-04-12
DE19535142A1 (de) 1996-03-28
DE19535142B4 (de) 2010-09-09
US5914180A (en) 1999-06-22
FR2725068A1 (fr) 1996-03-29

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20100531