DE60212281D1 - Magnetisches Aufzeichnungsmittel - Google Patents

Magnetisches Aufzeichnungsmittel

Info

Publication number
DE60212281D1
DE60212281D1 DE60212281T DE60212281T DE60212281D1 DE 60212281 D1 DE60212281 D1 DE 60212281D1 DE 60212281 T DE60212281 T DE 60212281T DE 60212281 T DE60212281 T DE 60212281T DE 60212281 D1 DE60212281 D1 DE 60212281D1
Authority
DE
Germany
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 - Lifetime
Application number
DE60212281T
Other languages
English (en)
Other versions
DE60212281T2 (de
Inventor
Kazuyuki Usuki
Kenichi Moriwaki
Kazutoshi Katayama
Makoto Nagao
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.)
Fujifilm Corp
Original Assignee
Fuji Photo Film Co 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 JP2001288946A external-priority patent/JP2003099917A/ja
Priority claimed from JP2001288947A external-priority patent/JP2003099918A/ja
Application filed by Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Application granted granted Critical
Publication of DE60212281D1 publication Critical patent/DE60212281D1/de
Publication of DE60212281T2 publication Critical patent/DE60212281T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G11B5/65—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
    • 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
    • G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
    • G11B5/7368—Non-polymeric layer under the lowermost magnetic recording layer
    • G11B5/7379—Seed layer, e.g. at least one non-magnetic layer is specifically adapted as a seed or seeding 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
    • G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
    • G11B5/739—Magnetic recording media substrates
    • G11B5/73923—Organic polymer substrates
    • G11B5/73927—Polyester substrates, e.g. polyethylene terephthalate
    • 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
    • G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
    • G11B5/739—Magnetic recording media substrates
    • G11B5/73923—Organic polymer substrates
    • G11B5/73927—Polyester substrates, e.g. polyethylene terephthalate
    • G11B5/73929—Polyester substrates, e.g. polyethylene terephthalate comprising naphthalene ring compounds, e.g. polyethylene naphthalate substrates
    • 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
    • G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
    • G11B5/739—Magnetic recording media substrates
    • G11B5/73923—Organic polymer substrates
    • G11B5/73937—Substrates having an organic polymer comprising a ring structure
    • 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
    • G11B5/851—Coating a support with a magnetic layer by sputtering
    • 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.]
    • Y10T428/2419—Fold at edge
    • Y10T428/24215—Acute or reverse fold of exterior component
    • Y10T428/24231—At opposed marginal edges
    • Y10T428/2424—Annular cover
    • Y10T428/24248—One piece
    • 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.]
    • Y10T428/24273—Structurally defined web or sheet [e.g., overall dimension, etc.] including aperture
    • Y10T428/24281—Struck out portion type
    • 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
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/256—Heavy metal or aluminum or compound thereof
    • 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
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/259—Silicic material

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Magnetic Record Carriers (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
DE60212281T 2001-09-14 2002-09-13 Magnetisches Aufzeichnungsmittel Expired - Lifetime DE60212281T2 (de)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP2001279403 2001-09-14
JP2001279403 2001-09-14
JP2001288946A JP2003099917A (ja) 2001-09-21 2001-09-21 磁気記録媒体
JP2001288946 2001-09-21
JP2001288947 2001-09-21
JP2001288947A JP2003099918A (ja) 2001-09-21 2001-09-21 磁気記録媒体

Publications (2)

Publication Number Publication Date
DE60212281D1 true DE60212281D1 (de) 2006-07-27
DE60212281T2 DE60212281T2 (de) 2007-05-16

Family

ID=27347501

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60212281T Expired - Lifetime DE60212281T2 (de) 2001-09-14 2002-09-13 Magnetisches Aufzeichnungsmittel

Country Status (3)

Country Link
US (3) US20030134151A1 (de)
EP (2) EP1457972A1 (de)
DE (1) DE60212281T2 (de)

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JP2003346317A (ja) * 2002-05-23 2003-12-05 Fuji Photo Film Co Ltd 垂直磁気記録媒体
US6995121B1 (en) * 2002-06-24 2006-02-07 Seagate Technology Llc Stability polymeric lubricants and thin film recording media comprising same
WO2004090874A1 (en) * 2003-04-07 2004-10-21 Showa Denko K. K. Magnetic recording medium, method for producing thereof, and magnetic recording and reproducing apparatus.
JP2004355716A (ja) * 2003-05-29 2004-12-16 Hitachi Global Storage Technologies Netherlands Bv 磁気記録媒体
JP2005004919A (ja) * 2003-06-13 2005-01-06 Fuji Photo Film Co Ltd 磁気記録媒体
US6911256B2 (en) * 2003-06-30 2005-06-28 Imation Corp. Buffer layers for magnetic media with a plastic substrate
US20050074636A1 (en) * 2003-10-03 2005-04-07 Fuji Photo Film Co., Ltd. Magnetic recording medium and method for producing the same
JP4407904B2 (ja) * 2004-02-06 2010-02-03 Ｈｏｙａ株式会社 磁気ディスクの製造方法
US8465853B2 (en) * 2004-03-24 2013-06-18 Marvell World Trade Ltd. Glassy metal disk
US20050271799A1 (en) * 2004-06-02 2005-12-08 Fuji Photo Film Co., Ltd. Method for producing magnetic recording medium
US20080008908A1 (en) * 2004-11-22 2008-01-10 Nec Corporation Ferromagnetic Film, Magneto-Resistance Element And Magnetic Random Access Memory
US7651794B2 (en) * 2005-04-28 2010-01-26 Hitachi Global Storage Technologies Netherlands B.V. Adhesion layer for thin film magnetic recording medium
US20070099032A1 (en) * 2005-11-02 2007-05-03 Heraeus, Inc., A Corporation Of The State Of Arizona Deposition of enhanced seed layer using tantalum alloy based sputter target
US20070190364A1 (en) * 2006-02-14 2007-08-16 Heraeus, Inc. Ruthenium alloy magnetic media and sputter targets
JP2007250059A (ja) * 2006-03-15 2007-09-27 Fuji Electric Device Technology Co Ltd 磁気記録媒体及びその製造方法
JP2007310986A (ja) * 2006-05-19 2007-11-29 Hitachi Global Storage Technologies Netherlands Bv 垂直磁気記録媒体及びその製造方法
US20080131735A1 (en) * 2006-12-05 2008-06-05 Heraeus Incorporated Ni-X, Ni-Y, and Ni-X-Y alloys with or without oxides as sputter targets for perpendicular magnetic recording
US8786704B2 (en) 2007-08-09 2014-07-22 Donnelly Corporation Vehicle mirror assembly with wide angle element
US20090190267A1 (en) * 2008-01-25 2009-07-30 Xiaoping Bian RuTi AS A SEED LAYER IN PERPENDICULAR RECORDING MEDIA
JP2009187608A (ja) * 2008-02-05 2009-08-20 Toshiba Corp 垂直磁気記録パターンド媒体および磁気記録再生装置
US8297669B2 (en) * 2008-04-23 2012-10-30 BallCollectors, LLC Ball hopper and method of use thereof
US20130170075A1 (en) * 2011-12-28 2013-07-04 Hitachi Global Storage Technologies Netherlands B.V. System, method and apparatus for magnetic media with a non-continuous metallic seed layer
US11220217B2 (en) 2013-01-24 2022-01-11 SMR Patents S.à.r.l. Rearview device with moveable head assembly and method of assembling same
US11794649B2 (en) 2012-01-24 2023-10-24 SMR Patents S.à.r.l. Rearview device with moveable head assembly and method of assembling same
WO2013110122A1 (en) 2012-01-24 2013-08-01 SMR Patents S.à.r.l. Chromium-based reflective coating
US10744947B2 (en) * 2012-01-24 2020-08-18 SMR Patents S.à.r.l. Head section for a rear view device
US11519585B2 (en) 2012-01-24 2022-12-06 SMR Patent S.à.r.l. Covering devices for use with vehicle parts
US9311954B1 (en) 2015-03-12 2016-04-12 Opacle International Corporation Tape head with thin tape bearing surface coating
AT15048U1 (de) * 2015-11-27 2016-11-15 Plansee Se Beschichtetes flexibles Bauteil

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4666788A (en) * 1982-02-16 1987-05-19 Teijin Limited Perpendicular magnetic recording medium, method for producing the same, and sputtering device
JP2561655B2 (ja) * 1987-01-29 1996-12-11 株式会社日立製作所 面内磁気記録媒体
US5143794A (en) * 1988-08-10 1992-09-01 Hitachi, Ltd. Magnetic recording media for longitudinal recording, process for producing the same and magnetic memory apparatus
JPH03245324A (ja) * 1990-02-21 1991-10-31 Tokin Corp 連続磁性薄膜媒体
US5851643A (en) * 1993-11-11 1998-12-22 Hitachi, Ltd. Magnetic recording media and magnetic recording read-back system which uses such media
JP3448698B2 (ja) * 1995-06-27 2003-09-22 株式会社日立製作所 磁気記憶装置及び磁気記録媒体
JP3690861B2 (ja) * 1996-03-15 2005-08-31 富士写真フイルム株式会社 磁気記録媒体およびその製造方法
JP3816595B2 (ja) * 1996-09-18 2006-08-30 三井金属鉱業株式会社 スパッタリングターゲットの製造方法
JPH10302243A (ja) * 1997-04-30 1998-11-13 Fuji Photo Film Co Ltd 磁気記録媒体
JPH11328647A (ja) * 1998-05-12 1999-11-30 Hitachi Ltd 磁気記録媒体および磁気記録媒体の製造方法
JP4082785B2 (ja) * 1998-05-15 2008-04-30 富士通株式会社 磁気記録媒体及びその製造方法
US5989674A (en) * 1998-05-15 1999-11-23 International Business Machines Corporation Thin film disk with acicular magnetic grains
US6833173B1 (en) * 1999-09-27 2004-12-21 Fuji Photo Film Co., Ltd. Floppy disk including a seed layer and a primer layer with specified relative properties
JP2001126246A (ja) * 1999-10-26 2001-05-11 Fuji Photo Film Co Ltd 磁気記録媒体の製造方法及び磁気記録媒体
US6586116B1 (en) * 2000-02-09 2003-07-01 Hitachi Global Storage Technologies Netherlands, B.V. Nonmetallic thin film magnetic recording disk with pre-seed layer
JP2001291230A (ja) * 2000-03-31 2001-10-19 Sony Corp 磁気記録媒体及びその製造方法
US6686072B2 (en) * 2000-08-29 2004-02-03 Showa Denko Kabushiki Kaisha Magnetic recording medium, process and apparatus for producing the same, and magnetic recording and reproducing apparatus
JP4391010B2 (ja) * 2000-12-27 2009-12-24 高橋 研 磁気記録媒体、その製造方法および磁気記録装置
JP2002208126A (ja) * 2001-01-05 2002-07-26 Fuji Electric Co Ltd 磁気記録媒体、磁気記録媒体の製造方法、および磁気記録装置
JP3680761B2 (ja) * 2001-05-09 2005-08-10 ソニー株式会社 磁気記録媒体
JP2002342908A (ja) * 2001-05-14 2002-11-29 Sony Corp 磁気記録媒体とその製造方法
JP2003208710A (ja) * 2002-01-15 2003-07-25 Fuji Photo Film Co Ltd 磁気記録媒体
JP2003346318A (ja) * 2002-05-23 2003-12-05 Fuji Photo Film Co Ltd 磁気記録媒体
JP2003346317A (ja) * 2002-05-23 2003-12-05 Fuji Photo Film Co Ltd 垂直磁気記録媒体
US7112376B2 (en) * 2003-01-10 2006-09-26 Fuji Photo Film Co., Ltd. Magnetic recording medium
JP2005004807A (ja) * 2003-06-09 2005-01-06 Fuji Photo Film Co Ltd フレキシブル磁気ディスク媒体
JP2005004843A (ja) * 2003-06-10 2005-01-06 Fuji Photo Film Co Ltd 磁気記録媒体
JP2005004919A (ja) * 2003-06-13 2005-01-06 Fuji Photo Film Co Ltd 磁気記録媒体
JP2005092991A (ja) * 2003-09-18 2005-04-07 Fuji Photo Film Co Ltd 磁気記録媒体

Also Published As

Publication number Publication date
EP1293969B1 (de) 2006-06-14
EP1293969A1 (de) 2003-03-19
DE60212281T2 (de) 2007-05-16
EP1457972A1 (de) 2004-09-15
EP1293969A8 (de) 2003-06-25
US20030134151A1 (en) 2003-07-17
US20050008901A1 (en) 2005-01-13
US20040197606A1 (en) 2004-10-07

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: FUJIFILM CORP., TOKIO/TOKYO, JP