JP6635225B1 - 磁気記録媒体 - Google Patents

磁気記録媒体 Download PDF

Info

Publication number
JP6635225B1
JP6635225B1 JP2019185508A JP2019185508A JP6635225B1 JP 6635225 B1 JP6635225 B1 JP 6635225B1 JP 2019185508 A JP2019185508 A JP 2019185508A JP 2019185508 A JP2019185508 A JP 2019185508A JP 6635225 B1 JP6635225 B1 JP 6635225B1
Authority
JP
Japan
Prior art keywords
magnetic
recording medium
magnetic recording
less
layer
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.)
Active
Application number
JP2019185508A
Other languages
English (en)
Japanese (ja)
Other versions
JP2021034094A (ja
Inventor
山鹿　実
実 山鹿
関口　昇
昇 関口
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
Priority to US16/649,403 priority Critical patent/US11804243B2/en
Priority to PCT/JP2019/041183 priority patent/WO2021033339A1/ja
Priority to JP2019228068A priority patent/JP7358966B2/ja
Application granted granted Critical
Publication of JP6635225B1 publication Critical patent/JP6635225B1/ja
Publication of JP2021034094A publication Critical patent/JP2021034094A/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G11B5/706—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 composition of the magnetic material
    • G11B5/70626—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 composition of the magnetic material containing non-metallic substances
    • G11B5/70642—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 composition of the magnetic material containing non-metallic substances iron oxides
    • G11B5/70678—Ferrites
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M105/00—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
    • C10M105/08—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing oxygen
    • C10M105/22—Carboxylic acids or their salts
    • C10M105/24—Carboxylic acids or their salts having only one carboxyl group bound to an acyclic carbon atom, cycloaliphatic carbon atom or hydrogen
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M105/00—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
    • C10M105/08—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing oxygen
    • C10M105/32—Esters
    • C10M105/34—Esters of monocarboxylic acids
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/02—Containers; Storing means both adapted to cooperate with the recording or reproducing means
    • G11B23/037—Single reels or spools
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/02—Containers; Storing means both adapted to cooperate with the recording or reproducing means
    • G11B23/04—Magazines; Cassettes for webs or filaments
    • G11B23/08—Magazines; Cassettes for webs or filaments for housing webs or filaments having two distinct ends
    • G11B23/107—Magazines; Cassettes for webs or filaments for housing webs or filaments having two distinct ends using one reel or core, one end of the record carrier coming out of the magazine or cassette
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/30—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture with provision for auxiliary signals
    • 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
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/584—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes
    • G11B5/588—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes by controlling the position of the rotating heads
    • G11B5/592—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes by controlling the position of the rotating heads using bimorph elements supporting the heads
    • G11B5/5921—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes by controlling the position of the rotating heads using bimorph elements supporting the heads using auxiliary signals, e.g. pilot signals
    • G11B5/5926—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes by controlling the position of the rotating heads using bimorph elements supporting the heads using auxiliary signals, e.g. pilot signals recorded in separate tracks, e.g. servo tracks
    • G11B5/5928—Longitudinal tracks
    • 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
    • G11B5/71—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 lubricant
    • 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
    • G11B5/712—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 surface treatment or coating of magnetic particles
    • 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
    • G11B5/714—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 dimension of the magnetic particles
    • 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
    • G11B5/735—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 characterised by the back layer
    • G11B5/7356—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 characterised by the back layer comprising non-magnetic particles in the back layer, e.g. particles of TiO2, ZnO or SiO2
    • 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
    • G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
    • G11B5/78—Tape carriers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Magnetic Record Carriers (AREA)
  • Lubricants (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
JP2019185508A 2019-08-16 2019-10-08 磁気記録媒体 Active JP6635225B1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US16/649,403 US11804243B2 (en) 2019-08-16 2019-10-18 Magnetic recording medium
PCT/JP2019/041183 WO2021033339A1 (ja) 2019-08-16 2019-10-18 磁気記録媒体
JP2019228068A JP7358966B2 (ja) 2019-08-16 2019-12-18 磁気記録媒体

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019149508 2019-08-16
JP2019149508 2019-08-16

Related Child Applications (2)

Application Number Title Priority Date Filing Date
JP2019228068A Division JP7358966B2 (ja) 2019-08-16 2019-12-18 磁気記録媒体
JP2019228067A Division JP6725054B1 (ja) 2019-08-16 2019-12-18 磁気記録媒体

Publications (2)

Publication Number Publication Date
JP6635225B1 true JP6635225B1 (ja) 2020-01-22
JP2021034094A JP2021034094A (ja) 2021-03-01

Family

ID=69166728

Family Applications (3)

Application Number Title Priority Date Filing Date
JP2019185508A Active JP6635225B1 (ja) 2019-08-16 2019-10-08 磁気記録媒体
JP2019228068A Active JP7358966B2 (ja) 2019-08-16 2019-12-18 磁気記録媒体
JP2019228067A Active JP6725054B1 (ja) 2019-08-16 2019-12-18 磁気記録媒体

Family Applications After (2)

Application Number Title Priority Date Filing Date
JP2019228068A Active JP7358966B2 (ja) 2019-08-16 2019-12-18 磁気記録媒体
JP2019228067A Active JP6725054B1 (ja) 2019-08-16 2019-12-18 磁気記録媒体

Country Status (3)

Country Link
US (1) US11804243B2 (enExample)
JP (3) JP6635225B1 (enExample)
WO (1) WO2021033339A1 (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022018915A1 (ja) * 2020-07-20 2022-01-27 富士フイルム株式会社 磁気テープ装置、および磁気テープ装置の作動方法
WO2022018913A1 (ja) * 2020-07-20 2022-01-27 富士フイルム株式会社 磁気テープ装置、磁気テープ装置の作動方法、および磁気テープ
WO2022018914A1 (ja) * 2020-07-20 2022-01-27 富士フイルム株式会社 磁気テープ装置、および磁気テープ装置の作動方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6624332B1 (ja) * 2019-08-21 2019-12-25 ソニー株式会社 磁気記録媒体およびカートリッジ
WO2023079870A1 (ja) * 2021-11-05 2023-05-11 ソニーグループ株式会社 サーボ再生装置、サーボ再生ヘッド、再生ヘッド及び磁気テープの製造方法
US12051450B1 (en) 2023-07-26 2024-07-30 International Business Machines Corporation Determining lateral error offsets to adjust a lateral position at which to move a tape head with respect to a tape medium

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3564707B2 (ja) * 1993-02-18 2004-09-15 株式会社日立製作所 磁気記録媒体
JP2002208130A (ja) * 2001-01-12 2002-07-26 Fuji Photo Film Co Ltd 磁気記録媒体
JP2006065953A (ja) 2004-08-26 2006-03-09 Sony Corp 磁気記録媒体
US20090046396A1 (en) * 2006-03-30 2009-02-19 Fujifilm Corporation Magnetic Recording Medium, Linear Magnetic Recording and Reproduction System and Magnetic Recording and Reproduction Method
JP2007273036A (ja) * 2006-03-31 2007-10-18 Fujifilm Corp 磁気記録媒体
US7910234B2 (en) * 2006-04-28 2011-03-22 Imation Corp. Magnetic recording medium having improved durability for high density applications
US7826169B2 (en) * 2007-04-25 2010-11-02 Quantum Corporation Servo error detection and compensation utilizing virtual data tracking servo methods
WO2015198514A1 (ja) * 2014-06-24 2015-12-30 ソニー株式会社 磁気記録媒体
JP6556101B2 (ja) * 2016-06-23 2019-08-07 富士フイルム株式会社 磁気テープおよび磁気テープ装置
WO2019159466A1 (ja) * 2018-02-16 2019-08-22 ソニー株式会社 磁気記録媒体
JP6610824B1 (ja) * 2019-04-05 2019-11-27 ソニー株式会社 カートリッジおよびカートリッジメモリ
JP6624332B1 (ja) * 2019-08-21 2019-12-25 ソニー株式会社 磁気記録媒体およびカートリッジ

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022018915A1 (ja) * 2020-07-20 2022-01-27 富士フイルム株式会社 磁気テープ装置、および磁気テープ装置の作動方法
WO2022018913A1 (ja) * 2020-07-20 2022-01-27 富士フイルム株式会社 磁気テープ装置、磁気テープ装置の作動方法、および磁気テープ
WO2022018914A1 (ja) * 2020-07-20 2022-01-27 富士フイルム株式会社 磁気テープ装置、および磁気テープ装置の作動方法
JP2022020369A (ja) * 2020-07-20 2022-02-01 富士フイルム株式会社 磁気テープ装置、磁気テープ装置の作動方法、および磁気テープ
JP2022020370A (ja) * 2020-07-20 2022-02-01 富士フイルム株式会社 磁気テープ装置、および磁気テープ装置の作動方法
JP2022020371A (ja) * 2020-07-20 2022-02-01 富士フイルム株式会社 磁気テープ装置、および磁気テープ装置の作動方法
JP7289819B2 (ja) 2020-07-20 2023-06-12 富士フイルム株式会社 磁気テープ装置、および磁気テープ装置の作動方法
US12374363B2 (en) 2020-07-20 2025-07-29 Fujifilm Corporation Magnetic tape device and method of operating magnetic tape device

Also Published As

Publication number Publication date
JP2021034112A (ja) 2021-03-01
JP2021034094A (ja) 2021-03-01
WO2021033339A8 (ja) 2021-06-10
US11804243B2 (en) 2023-10-31
JP6725054B1 (ja) 2020-07-15
US20220284923A1 (en) 2022-09-08
JP7358966B2 (ja) 2023-10-11
JP2021034113A (ja) 2021-03-01
WO2021033339A1 (ja) 2021-02-25

Similar Documents

Publication Publication Date Title
JP6635219B1 (ja) 磁気記録媒体
JP6645613B1 (ja) 磁気記録媒体、テープカートリッジ、及びデータ処理方法
US20210012800A1 (en) Magnetic recording medium
JP6635225B1 (ja) 磁気記録媒体
JP6635214B1 (ja) 磁気記録媒体
JP7512782B2 (ja) 磁気記録媒体
JP7521398B2 (ja) 磁気記録媒体
JP7063411B2 (ja) 磁気記録媒体、磁気記録再生装置および磁気記録媒体カートリッジ
JP6838633B1 (ja) 磁気記録媒体、磁気記録再生装置および磁気記録媒体カートリッジ
JP6816851B1 (ja) 磁気記録媒体
JP2021034111A (ja) 磁気記録媒体
JP6766988B1 (ja) 磁気記録媒体
JP6721099B1 (ja) 磁気記録媒体
JP6725053B1 (ja) 磁気記録媒体
JP7388172B2 (ja) 磁気記録媒体
JP2021064436A (ja) 磁気記録媒体、磁気記録再生装置および磁気記録媒体カートリッジ

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20191106

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20191106

A871 Explanation of circumstances concerning accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A871

Effective date: 20191106

A975 Report on accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A971005

Effective date: 20191111

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20191119

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20191202

R151 Written notification of patent or utility model registration

Ref document number: 6635225

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R151