WO1999053494A1 - Storage disk comprising depressions and/or raised features - Google Patents
Storage disk comprising depressions and/or raised features Download PDFInfo
- Publication number
- WO1999053494A1 WO1999053494A1 PCT/US1999/006809 US9906809W WO9953494A1 WO 1999053494 A1 WO1999053494 A1 WO 1999053494A1 US 9906809 W US9906809 W US 9906809W WO 9953494 A1 WO9953494 A1 WO 9953494A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- disk
- layered
- features
- raised
- depressed
- Prior art date
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- 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
- G11B2005/0005—Arrangements, methods or circuits
-
- 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
- G11B2005/0005—Arrangements, methods or circuits
- G11B2005/0021—Thermally assisted recording using an auxiliary energy source for heating the recording layer locally to assist the magnetization reversal
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
- G11B7/253—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates
- G11B2007/25302—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates comprising metals
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
- G11B7/253—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates
- G11B2007/25303—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates comprising resins
-
- 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
-
- 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
- G11B5/60—Fluid-dynamic spacing of heads from record-carriers
- G11B5/6005—Specially adapted for spacing from a rotating disc using a fluid cushion
- G11B5/6088—Optical waveguide in or on flying head
Landscapes
- Magnetic Record Carriers (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
- Manufacturing Optical Record Carriers (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
- Moving Of The Head To Find And Align With The Track (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Magnetic Heads (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP99914243A EP1078361A1 (en) | 1998-04-09 | 1999-03-29 | Storage disk comprising depressions and/or raised features |
JP2000543965A JP2002511630A (ja) | 1998-04-09 | 1999-03-29 | 凹形状部および/または凸形状部を含む記憶ディスク |
Applications Claiming Priority (12)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US8125398P | 1998-04-09 | 1998-04-09 | |
US8207798P | 1998-04-17 | 1998-04-17 | |
US11109998P | 1998-12-04 | 1998-12-04 | |
US11305998P | 1998-12-21 | 1998-12-21 | |
US11509499P | 1999-01-07 | 1999-01-07 | |
US11577199P | 1999-01-13 | 1999-01-13 | |
US60/115,094 | 1999-01-13 | ||
US60/115,771 | 1999-01-13 | ||
US60/113,059 | 1999-01-13 | ||
US60/111,099 | 1999-01-13 | ||
US60/081,253 | 1999-01-13 | ||
US60/082,077 | 1999-01-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999053494A1 true WO1999053494A1 (en) | 1999-10-21 |
Family
ID=27557227
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1999/006814 WO1999053482A1 (en) | 1998-04-09 | 1999-03-29 | Laser assisted track width definition and radial control with magnetic recording |
PCT/US1999/006809 WO1999053494A1 (en) | 1998-04-09 | 1999-03-29 | Storage disk comprising depressions and/or raised features |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1999/006814 WO1999053482A1 (en) | 1998-04-09 | 1999-03-29 | Laser assisted track width definition and radial control with magnetic recording |
Country Status (4)
Country | Link |
---|---|
EP (2) | EP1078361A1 (ko) |
JP (4) | JP2002511630A (ko) |
KR (1) | KR100581487B1 (ko) |
WO (2) | WO1999053482A1 (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004107323A1 (en) * | 2003-05-29 | 2004-12-09 | Seagate Technology Llc | Patterned media for heat assisted magnetic recording |
US8345374B2 (en) | 2003-05-29 | 2013-01-01 | Seagate Technology, Llc | Patterned media for heat assisted magnetic recording |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU6020400A (en) * | 1999-07-21 | 2001-02-05 | Hitachi Maxell, Ltd. | Read/write head and magnetic recording device |
US6873576B1 (en) * | 2000-05-24 | 2005-03-29 | Koninklijke Philips Electronics N.V. | Method of thermally-assisted data recording and a recording apparatus |
JP3839227B2 (ja) * | 2000-07-28 | 2006-11-01 | 株式会社日立グローバルストレージテクノロジーズ | 磁気ヘッド、磁気記録再生装置、磁気記録情報の再生方法及び磁気記録方法 |
JP2006092632A (ja) | 2004-09-22 | 2006-04-06 | Tdk Corp | 磁気記録媒体及びその製造方法並びに磁気記録媒体用中間体 |
JP2008047268A (ja) | 2006-08-21 | 2008-02-28 | Tdk Corp | 熱アシスト磁気ヘッド |
JP2008059697A (ja) | 2006-08-31 | 2008-03-13 | Tdk Corp | 熱アシスト磁気ヘッド、ヘッドジンバルアセンブリ及びハードディスク装置 |
JP2008059695A (ja) | 2006-08-31 | 2008-03-13 | Tdk Corp | 熱アシスト磁気ヘッド、ヘッドジンバルアセンブリ及びハードディスク装置 |
JP2008059694A (ja) | 2006-08-31 | 2008-03-13 | Tdk Corp | 熱アシスト磁気ヘッド |
JP2008165922A (ja) | 2006-12-28 | 2008-07-17 | Tdk Corp | 熱アシスト磁気ヘッド、ヘッドジンバルアセンブリ及びハードディスク装置 |
JP4364912B2 (ja) | 2007-02-26 | 2009-11-18 | Tdk株式会社 | 熱アシスト磁気ヘッド、ヘッドジンバルアセンブリ及びハードディスク装置 |
US8179747B1 (en) | 2011-02-28 | 2012-05-15 | Rohm Co., Ltd. | Thermally assisted magnetic head |
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1999
- 1999-03-29 JP JP2000543965A patent/JP2002511630A/ja active Pending
- 1999-03-29 EP EP99914243A patent/EP1078361A1/en not_active Withdrawn
- 1999-03-29 WO PCT/US1999/006814 patent/WO1999053482A1/en not_active Application Discontinuation
- 1999-03-29 JP JP55171399A patent/JP2002512725A/ja active Pending
- 1999-03-29 KR KR1020007011239A patent/KR100581487B1/ko not_active IP Right Cessation
- 1999-03-29 WO PCT/US1999/006809 patent/WO1999053494A1/en active IP Right Grant
- 1999-03-29 EP EP99912937A patent/EP0988631A1/en not_active Withdrawn
-
2008
- 2008-05-21 JP JP2008133001A patent/JP4971245B2/ja not_active Expired - Fee Related
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2012
- 2012-06-26 JP JP2012142793A patent/JP2012181920A/ja active Pending
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004107323A1 (en) * | 2003-05-29 | 2004-12-09 | Seagate Technology Llc | Patterned media for heat assisted magnetic recording |
US8345374B2 (en) | 2003-05-29 | 2013-01-01 | Seagate Technology, Llc | Patterned media for heat assisted magnetic recording |
US9792946B2 (en) | 2003-05-29 | 2017-10-17 | Seagate Technology Llc | Patterned media for heat assisted recording |
Also Published As
Publication number | Publication date |
---|---|
KR20010071139A (ko) | 2001-07-28 |
JP2012181920A (ja) | 2012-09-20 |
KR100581487B1 (ko) | 2006-05-23 |
JP4971245B2 (ja) | 2012-07-11 |
EP0988631A1 (en) | 2000-03-29 |
JP2008251157A (ja) | 2008-10-16 |
EP1078361A1 (en) | 2001-02-28 |
JP2002511630A (ja) | 2002-04-16 |
WO1999053482A1 (en) | 1999-10-21 |
JP2002512725A (ja) | 2002-04-23 |
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