SG114538A1 - Substrate for perpendicular magnetic recording medium, perpendicular magnetic recording medium using the substrate, and method for those productions - Google Patents

Substrate for perpendicular magnetic recording medium, perpendicular magnetic recording medium using the substrate, and method for those productions

Info

Publication number
SG114538A1
SG114538A1 SG200202207A SG200202207A SG114538A1 SG 114538 A1 SG114538 A1 SG 114538A1 SG 200202207 A SG200202207 A SG 200202207A SG 200202207 A SG200202207 A SG 200202207A SG 114538 A1 SG114538 A1 SG 114538A1
Authority
SG
Singapore
Prior art keywords
substrate
recording medium
magnetic recording
perpendicular magnetic
those productions
Prior art date
Application number
SG200202207A
Other languages
English (en)
Inventor
Ohkubo Keiji
Original Assignee
Fuji Electric 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
Application filed by Fuji Electric Co Ltd filed Critical Fuji Electric Co Ltd
Publication of SG114538A1 publication Critical patent/SG114538A1/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
    • G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
    • G11B5/743—Patterned record carriers, wherein the magnetic recording layer is patterned into magnetic isolated data islands, e.g. discrete tracks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
    • 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
    • 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
    • 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
    • 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
    • G11B5/488—Disposition of heads
    • 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
    • G11B5/82—Disk carriers

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Nanotechnology (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Magnetic Record Carriers (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
SG200202207A 2001-04-23 2002-04-16 Substrate for perpendicular magnetic recording medium, perpendicular magnetic recording medium using the substrate, and method for those productions SG114538A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001124798A JP2002319119A (ja) 2001-04-23 2001-04-23 垂直磁気記録媒体用基板、該基板を用いた垂直磁気記録媒体、およびそれらの製造方法

Publications (1)

Publication Number Publication Date
SG114538A1 true SG114538A1 (en) 2005-09-28

Family

ID=18974125

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200202207A SG114538A1 (en) 2001-04-23 2002-04-16 Substrate for perpendicular magnetic recording medium, perpendicular magnetic recording medium using the substrate, and method for those productions

Country Status (3)

Country Link
US (1) US20020182443A1 (ja)
JP (1) JP2002319119A (ja)
SG (1) SG114538A1 (ja)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060064125A1 (en) * 2001-05-09 2006-03-23 James Henderson Button anchor system for moving tissue
US20040072027A1 (en) * 2002-09-30 2004-04-15 Seagate Technology Llc Intermediate layer for perpendicular magnetic recording media
JP2004164692A (ja) * 2002-11-08 2004-06-10 Toshiba Corp 磁気記録媒体及びその製造方法
JP3780290B2 (ja) * 2004-09-29 2006-05-31 Ｔｄｋ株式会社 磁気記録再生装置
JP4231007B2 (ja) * 2005-02-07 2009-02-25 富士通株式会社 磁気媒体の製造方法および磁気媒体製造用金型
JP4649262B2 (ja) * 2005-04-19 2011-03-09 株式会社東芝 磁気記録媒体の製造方法
JP2007012117A (ja) * 2005-06-28 2007-01-18 Toshiba Corp 磁気記録媒体、磁気記録媒体用基板、および磁気記録装置
KR100738105B1 (ko) * 2006-02-09 2007-07-12 삼성전자주식회사 확산 방지층이 삽입된 연자성 하지층을 포함하는 수직 자기기록 매체
JP4585476B2 (ja) 2006-03-16 2010-11-24 株式会社東芝 パターンド媒体および磁気記録装置
JP4675812B2 (ja) * 2006-03-30 2011-04-27 株式会社東芝 磁気記録媒体、磁気記録装置および磁気記録媒体の製造方法
JP2008282512A (ja) 2007-05-14 2008-11-20 Toshiba Corp 磁気記録媒体及び磁気記録再生装置
JP4382843B2 (ja) * 2007-09-26 2009-12-16 株式会社東芝 磁気記録媒体およびその製造方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5191564A (en) * 1991-04-10 1993-03-02 Nikon Corporation Over-write capable magnetooptical recording medium having groove depth of 800 Å or less

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4810547A (en) * 1986-03-26 1989-03-07 Nippon Sheet Glass Co., Ltd. Substrate with fine grooves and method for manufacturing the same
JPS6486344A (en) * 1987-09-29 1989-03-31 Victor Company Of Japan Information recording carrier and production thereof
JPH06139620A (ja) * 1992-10-23 1994-05-20 Matsushita Electric Ind Co Ltd 記録再生媒体と記録再生装置
US6207247B1 (en) * 1998-03-27 2001-03-27 Nikon Corporation Method for manufacturing a molding tool used for sustrate molding

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5191564A (en) * 1991-04-10 1993-03-02 Nikon Corporation Over-write capable magnetooptical recording medium having groove depth of 800 Å or less

Also Published As

Publication number Publication date
JP2002319119A (ja) 2002-10-31
US20020182443A1 (en) 2002-12-05

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