SG119342A1 - Method of producing perpendicular magnetic recording disk - Google Patents

Method of producing perpendicular magnetic recording disk

Info

Publication number
SG119342A1
SG119342A1 SG200504712A SG200504712A SG119342A1 SG 119342 A1 SG119342 A1 SG 119342A1 SG 200504712 A SG200504712 A SG 200504712A SG 200504712 A SG200504712 A SG 200504712A SG 119342 A1 SG119342 A1 SG 119342A1
Authority
SG
Singapore
Prior art keywords
magnetic recording
perpendicular magnetic
recording disk
producing perpendicular
producing
Prior art date
Application number
SG200504712A
Other languages
English (en)
Inventor
Yokota Yasuyuki
Ohno Hisatomo
Kumasaka Noriyuki
Original Assignee
Nippon Micro Coating Kk
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 Nippon Micro Coating Kk filed Critical Nippon Micro Coating Kk
Publication of SG119342A1 publication Critical patent/SG119342A1/en

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
    • G11B5/667—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers including a soft 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
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
    • B24B21/04—Machines or devices using grinding or polishing belts; Accessories therefor for grinding plane surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B37/00—Lapping machines or devices; Accessories
    • B24B37/04—Lapping machines or devices; Accessories designed for working plane surfaces
    • B24B37/07—Lapping machines or devices; Accessories designed for working plane surfaces characterised by the movement of the work or lapping tool
    • B24B37/08—Lapping machines or devices; Accessories designed for working plane surfaces characterised by the movement of the work or lapping tool for double side lapping
    • 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
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/1278—Structure or manufacture of heads, e.g. inductive specially adapted for magnetisations perpendicular to the surface of the record carrier
    • 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
    • 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
    • G11B5/8404—Processes or apparatus specially adapted for manufacturing record carriers manufacturing base layers
    • 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
    • G11B2005/0002—Special dispositions or recording techniques
    • G11B2005/0026—Pulse recording
    • G11B2005/0029—Pulse recording using magnetisation components of the recording layer disposed mainly perpendicularly to the record carrier surface
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2508—Magnetic discs
    • 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
SG200504712A 2004-08-06 2005-07-22 Method of producing perpendicular magnetic recording disk SG119342A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004231399A JP2006048870A (ja) 2004-08-06 2004-08-06 垂直磁気記録ディスクの製造方法

Publications (1)

Publication Number Publication Date
SG119342A1 true SG119342A1 (en) 2006-02-28

Family

ID=35756393

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200504712A SG119342A1 (en) 2004-08-06 2005-07-22 Method of producing perpendicular magnetic recording disk

Country Status (5)

Country Link
US (1) US20060027527A1 (ko)
JP (1) JP2006048870A (ko)
KR (1) KR20060049836A (ko)
SG (1) SG119342A1 (ko)
TW (1) TW200611784A (ko)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5599547B2 (ja) * 2006-12-01 2014-10-01 Ｍｉｐｏｘ株式会社 硬質結晶基板研磨方法及び油性研磨スラリー
JP5080904B2 (ja) 2007-08-27 2012-11-21 昭和電工株式会社 記憶媒体の製造方法
JP2010080022A (ja) * 2008-09-29 2010-04-08 Showa Denko Kk 垂直磁気記録媒体の製造方法
JP6465675B2 (ja) * 2015-01-30 2019-02-06 富士紡ホールディングス株式会社 研磨パッド

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59177726A (ja) * 1983-03-28 1984-10-08 Toshiba Corp 垂直磁気デイスク記録媒体
JPH01285022A (ja) * 1988-05-10 1989-11-16 Fujitsu Ltd 垂直磁気記録媒体の製造方法
JPH07334832A (ja) * 1994-06-08 1995-12-22 Hitachi Ltd 垂直磁気記録媒体及び磁気記録装置
US6110557A (en) * 1999-02-22 2000-08-29 Titanium Memory Systems, Inc. Vertical-magnetic-recording medium with barium ferrite magnetic layer
EP1156479A3 (en) * 2000-05-16 2007-01-24 Matsushita Electric Industrial Co., Ltd. Magnetic recording medium, its production method and magnetic recording apparatus
US6703099B2 (en) * 2000-07-27 2004-03-09 Seagate Technology Llc Perpendicular magnetic recording media with patterned soft magnetic underlayer
US6816330B2 (en) * 2000-12-22 2004-11-09 Matsushita Electric Industrial Co., Ltd. Method for forming a magnetic pattern in a magnetic recording medium, magnetic recording medium magnetic recording device and photomask
JP2003067908A (ja) * 2001-08-23 2003-03-07 Fuji Electric Co Ltd 垂直磁気記録媒体およびその製造方法
JP2004039082A (ja) * 2002-07-02 2004-02-05 Fuji Electric Holdings Co Ltd 垂直磁気記録媒体およびその製造方法、パターンド媒体およびその製造方法
US20040038082A1 (en) * 2002-08-26 2004-02-26 Toshihiro Tsumori Substrate for perpendicular magnetic recording hard disk medium and method for producing the same
JP2004146033A (ja) * 2002-08-26 2004-05-20 Shin Etsu Chem Co Ltd 誘導異方性垂直磁気記録ハードディスク用基板及びその製造方法
JP2004114164A (ja) * 2002-09-24 2004-04-15 Nihon Micro Coating Co Ltd 基板の表面平滑化装置および方法
AU2003277534A1 (en) * 2002-10-31 2004-05-25 Showa Denko K.K. Perpendicular magnetic recording medium, production process thereof, and perpendicular magnetic recording and reproducing apparatus
JP2004259378A (ja) * 2003-02-26 2004-09-16 Fuji Electric Device Technology Co Ltd 垂直記録用磁気ディスク基板とその製造方法
US20050095421A1 (en) * 2003-11-03 2005-05-05 Seagate Technology Magnetic material for non-reactive process of granular perpendicular recording application
US20060147758A1 (en) * 2005-01-06 2006-07-06 Hong-Sik Jung Perpendicular magnetic recording medium with magnetically resetable single domain soft magnetic underlayer

Also Published As

Publication number Publication date
TW200611784A (en) 2006-04-16
KR20060049836A (ko) 2006-05-19
US20060027527A1 (en) 2006-02-09
JP2006048870A (ja) 2006-02-16

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