DE68909994D1 - Dünnfilmmagnetplatte mit diskreten Spuren und Verfahren zu ihrer Herstellung. - Google Patents

Dünnfilmmagnetplatte mit diskreten Spuren und Verfahren zu ihrer Herstellung.

Info

Publication number
DE68909994D1
DE68909994D1 DE89303365T DE68909994T DE68909994D1 DE 68909994 D1 DE68909994 D1 DE 68909994D1 DE 89303365 T DE89303365 T DE 89303365T DE 68909994 T DE68909994 T DE 68909994T DE 68909994 D1 DE68909994 D1 DE 68909994D1
Authority
DE
Germany
Prior art keywords
production
thin film
film magnetic
magnetic disc
discrete traces
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
DE89303365T
Other languages
English (en)
Other versions
DE68909994T2 (de
Inventor
Mohamad Towfik Krounbi
Alvin Murray Patlach
Ian Lewis Sanders
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of DE68909994D1 publication Critical patent/DE68909994D1/de
Publication of DE68909994T2 publication Critical patent/DE68909994T2/de
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
    • G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
    • G11B5/82—Disk carriers
    • 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
    • G11B5/743—Patterned record carriers, wherein the magnetic recording layer is patterned into magnetic isolated data islands, e.g. discrete 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
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • G11B5/855—Coating only part of a support with a magnetic layer
    • 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
    • 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.]
    • Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • Y10T428/24521—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness with component conforming to contour of nonplanar surface
    • Y10T428/24537—Parallel ribs and/or grooves
    • 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.]
    • Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • Y10T428/24521—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness with component conforming to contour of nonplanar surface
    • Y10T428/24545—Containing metal or metal compound

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)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Magnetic Record Carriers (AREA)
DE89303365T 1988-04-28 1989-04-05 Dünnfilmmagnetplatte mit diskreten Spuren und Verfahren zu ihrer Herstellung. Expired - Fee Related DE68909994T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/187,110 US4935278A (en) 1988-04-28 1988-04-28 Thin film magnetic recording disk and fabrication process

Publications (2)

Publication Number Publication Date
DE68909994D1 true DE68909994D1 (de) 1993-11-25
DE68909994T2 DE68909994T2 (de) 1994-05-05

Family

ID=22687637

Family Applications (1)

Application Number Title Priority Date Filing Date
DE89303365T Expired - Fee Related DE68909994T2 (de) 1988-04-28 1989-04-05 Dünnfilmmagnetplatte mit diskreten Spuren und Verfahren zu ihrer Herstellung.

Country Status (4)

Country Link
US (1) US4935278A (de)
EP (1) EP0339813B1 (de)
JP (1) JPH01279421A (de)
DE (1) DE68909994T2 (de)

Families Citing this family (61)

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DE69032626T2 (de) * 1989-01-11 1999-05-20 Hitachi, Ltd., Tokio/Tokyo Verfahren zum magnetischen Aufzeichnen und Wiedergeben von Daten, magnetischer Auzeichnungsträger, sein Herstellungsverfahren und Gerät zur magnetischen Aufzeichnung
JP3043394B2 (ja) * 1990-11-05 2000-05-22 帝人製機株式会社 磁気スケールの製造方法
US5350618A (en) * 1991-03-01 1994-09-27 Teijin Seiki Co., Ltd. Magnetic medium comprising a substrate having pits and grooves of specific shapes and depths
JP3237141B2 (ja) * 1991-09-20 2001-12-10 ソニー株式会社 ハードディスクドライブ装置
WO1993012520A1 (en) * 1991-12-17 1993-06-24 Certus Magnetics Magnetic disk medium with designed textured surfaces and controlled surface roughness and method of providing same
US5768075A (en) * 1991-12-17 1998-06-16 Baradun R&D Ltd. Disk medium w/magnetically filled features aligned in rows and columns
JP2769420B2 (ja) * 1992-05-01 1998-06-25 インターナショナル・ビジネス・マシーンズ・コーポレイション 磁気モーメント低下方法及びデータ記憶装置
US5587223A (en) * 1992-10-19 1996-12-24 Board Of Trustees Leland Stanford, Jr. University High density magnetic information storage medium
JP3378618B2 (ja) * 1993-08-06 2003-02-17 株式会社日立製作所 磁気記録媒体
US5537282A (en) * 1994-07-15 1996-07-16 Treves; David Data storage disk having improved tracking capability
WO1999053494A1 (en) * 1998-04-09 1999-10-21 Seagate Technology Llc Storage disk comprising depressions and/or raised features
US6706358B1 (en) 1998-04-09 2004-03-16 Seagate Technology Llc Storage disk comprising depressions and /or raised features
JPH11296845A (ja) 1998-04-14 1999-10-29 Tdk Corp 磁気ディスク媒体および磁気記録装置
JP3719026B2 (ja) 1998-12-28 2005-11-24 富士通株式会社 磁気記録媒体とその製造方法
US6168845B1 (en) 1999-01-19 2001-01-02 International Business Machines Corporation Patterned magnetic media and method of making the same using selective oxidation
WO2000051111A1 (en) 1999-02-22 2000-08-31 Seagate Technology Llc Buried servo patterned media
KR100630585B1 (ko) * 1999-05-28 2006-10-04 후지쯔 가부시끼가이샤 자기 기록 매체 및 그 제조 방법과 자기 디스크 장치
US6440520B1 (en) 1999-07-09 2002-08-27 International Business Machines Corporation Patterned magnetic recording disk with substrate patterned by ion implantation
US6421195B1 (en) 1999-09-20 2002-07-16 International Business Machines Corporation Magnetic disk media with patterned sections
US6864042B1 (en) 2000-07-25 2005-03-08 Seagate Technology Llc Patterning longitudinal magnetic recording media with ion implantation
US6753043B1 (en) 2000-12-07 2004-06-22 Seagate Technology Llc Patterning of high coercivity magnetic media by ion implantation
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JP3776797B2 (ja) * 2001-12-28 2006-05-17 株式会社東芝 磁気記録再生装置
JP4188125B2 (ja) * 2003-03-05 2008-11-26 Ｔｄｋ株式会社 磁気記録媒体の製造方法及び製造装置
US8345374B2 (en) 2003-05-29 2013-01-01 Seagate Technology, Llc Patterned media for heat assisted magnetic recording
JP3987484B2 (ja) * 2003-11-28 2007-10-10 株式会社東芝 磁気記録媒体、磁気記録装置およびオフセット量測定方法
JP4775806B2 (ja) * 2004-02-10 2011-09-21 Ｔｄｋ株式会社 磁気記録媒体の製造方法
JP2005235358A (ja) * 2004-02-23 2005-09-02 Tdk Corp 磁気記録媒体
JP4008420B2 (ja) * 2004-02-23 2007-11-14 Ｔｄｋ株式会社 磁気記録媒体の製造方法
JP4111276B2 (ja) * 2004-02-26 2008-07-02 Ｔｄｋ株式会社 磁気記録媒体及び磁気記録再生装置
JP4593128B2 (ja) * 2004-02-26 2010-12-08 Ｔｄｋ株式会社 磁気記録媒体及び磁気記録再生装置
JP4005976B2 (ja) * 2004-03-03 2007-11-14 Ｔｄｋ株式会社 磁気記録媒体
JP4427392B2 (ja) * 2004-06-22 2010-03-03 株式会社東芝 磁気記録媒体、その製造方法及び磁気記録再生装置
JP2006012285A (ja) * 2004-06-25 2006-01-12 Tdk Corp 磁気記録媒体及び磁気記録媒体の製造方法
JP3881350B2 (ja) * 2004-08-03 2007-02-14 Ｔｄｋ株式会社 磁気記録媒体及び磁気記録再生装置
JP4460987B2 (ja) * 2004-09-30 2010-05-12 株式会社東芝 電子線描画方法および磁気記録媒体の製造方法
JP4071787B2 (ja) * 2004-12-13 2008-04-02 Ｔｄｋ株式会社 磁気記録媒体の製造方法
US7521137B2 (en) * 2005-01-12 2009-04-21 Seagate Technology Llc Patterned thin films and use of such films as thermal control layers in heat assisted magnetic recording media
JP3924301B2 (ja) * 2005-02-01 2007-06-06 Ｔｄｋ株式会社 磁気記録媒体及び磁気記録再生装置
US7553426B2 (en) * 2005-03-01 2009-06-30 Hitachi Global Storage Technologies Netherlands B.V. Apparatus, system, and method for increasing data storage density in patterned media
US7667929B2 (en) * 2005-04-04 2010-02-23 Hitachi Global Storage Technologies Netherlands B.V. Apparatus, method and system for fabricating a patterned media imprint master
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
JP2006331578A (ja) * 2005-05-27 2006-12-07 Toshiba Corp 磁気記録媒体、その製造方法および磁気記録装置
JP2007004921A (ja) * 2005-06-24 2007-01-11 Tdk Corp 磁気記録媒体、磁気記録再生装置及び磁気記録媒体の製造方法
US7236324B2 (en) * 2005-10-18 2007-06-26 Hitachi Global Storage Technologies Apparatus, method and system for fabricating servo patterns on high density patterned media
CN100511431C (zh) * 2006-02-22 2009-07-08 Tdk股份有限公司 磁记录介质的制造方法
CN100545914C (zh) * 2006-02-23 2009-09-30 Tdk股份有限公司 磁记录介质的制造方法
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
JP4510796B2 (ja) * 2006-11-22 2010-07-28 株式会社アルバック 磁気記憶媒体の製造方法
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
JP2008299964A (ja) * 2007-05-31 2008-12-11 Hitachi Ltd 磁気ディスク及びその製造方法
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
JP4292227B1 (ja) * 2007-12-27 2009-07-08 株式会社東芝 磁気記録媒体およびその製造方法、磁気記録装置
JP2010009729A (ja) * 2008-06-30 2010-01-14 Toshiba Corp インプリント用スタンパ、インプリント用スタンパの製造方法、磁気記録媒体、磁気記録媒体の製造方法及び磁気ディスク装置
US8795790B2 (en) 2008-12-09 2014-08-05 Wd Media (Singapore) Pte. Ltd. Magnetic recording medium and magnetic recording medium manufacturing method
US9685186B2 (en) * 2009-02-27 2017-06-20 Applied Materials, Inc. HDD pattern implant system
WO2010118266A2 (en) * 2009-04-10 2010-10-14 Applied Materials, Inc. Use special ion source apparatus and implant with molecular ions to process hdd (high density magnetic disks) with patterned magnetic domains
MY153956A (en) 2009-04-13 2015-04-30 Applied Materials Inc Hdd pattern apparatus using laser, e-beam, or focused ion beam
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Also Published As

Publication number Publication date
EP0339813B1 (de) 1993-10-20
EP0339813A3 (en) 1990-02-14
DE68909994T2 (de) 1994-05-05
JPH01279421A (ja) 1989-11-09
JPH0522291B2 (de) 1993-03-29
US4935278A (en) 1990-06-19
EP0339813A2 (de) 1989-11-02

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