SG119353A1 - Perpendicular recording patterned disk medium and magnetic disk drive loaded with patterned disk medium - Google Patents
Perpendicular recording patterned disk medium and magnetic disk drive loaded with patterned disk mediumInfo
- Publication number
- SG119353A1 SG119353A1 SG200504784A SG200504784A SG119353A1 SG 119353 A1 SG119353 A1 SG 119353A1 SG 200504784 A SG200504784 A SG 200504784A SG 200504784 A SG200504784 A SG 200504784A SG 119353 A1 SG119353 A1 SG 119353A1
- Authority
- SG
- Singapore
- Prior art keywords
- disk medium
- patterned
- perpendicular recording
- medium
- patterned disk
- Prior art date
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
- G11B5/48—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
- G11B5/596—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 disks
- G11B5/59688—Servo signal format patterns or signal processing thereof, e.g. dual, tri, quad, burst signal patterns
-
- 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
- G11B5/48—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
- G11B5/596—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 disks
- G11B5/59633—Servo formatting
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Record Carriers (AREA)
- Moving Of The Head To Find And Align With The Track (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004216345A JP2006040354A (ja) | 2004-07-23 | 2004-07-23 | 垂直記録用パターンドディスク媒体及び同媒体を搭載した磁気ディスクドライブ |
Publications (1)
Publication Number | Publication Date |
---|---|
SG119353A1 true SG119353A1 (en) | 2006-02-28 |
Family
ID=35541083
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG200504784A SG119353A1 (en) | 2004-07-23 | 2005-06-29 | Perpendicular recording patterned disk medium and magnetic disk drive loaded with patterned disk medium |
Country Status (4)
Country | Link |
---|---|
US (1) | US20060007574A1 (ja) |
JP (1) | JP2006040354A (ja) |
CN (1) | CN1328711C (ja) |
SG (1) | SG119353A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4316580B2 (ja) * | 2006-03-28 | 2009-08-19 | 株式会社東芝 | 磁気記録装置およびサーボ情報記録方法 |
JP5487561B2 (ja) * | 2008-06-04 | 2014-05-07 | 富士通株式会社 | 磁気記録媒体、当該の磁気記録媒体を備える磁気記録再生装置、および、当該の磁気記録媒体の製造方法 |
US20100020443A1 (en) * | 2008-07-22 | 2010-01-28 | Thomas Robert Albrecht | Creation of mirror-image patterns by imprint and image tone reversal |
TWI458131B (zh) * | 2011-06-27 | 2014-10-21 | Lextar Electronics Corp | 半導體發光元件 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4811144A (en) * | 1987-12-03 | 1989-03-07 | Cecil & Hume Associates, Inc. | Magnetic recording head motion translation apparatus for head/media evaluation systems |
US4945427A (en) * | 1988-06-13 | 1990-07-31 | International Business Machines Corporation | Magnetic disk recording with variable track width and variable track density |
JP3172000B2 (ja) * | 1993-03-11 | 2001-06-04 | 株式会社東芝 | 磁気記録再生装置 |
US5668679A (en) * | 1995-12-21 | 1997-09-16 | Quantum Corporation | System for self-servowriting a disk drive |
JP3274615B2 (ja) * | 1996-03-08 | 2002-04-15 | 日本アイ・ビー・エム株式会社 | 垂直磁気記録媒体及びそれを用いた磁気記録装置 |
TW342495B (en) * | 1996-07-22 | 1998-10-11 | Matsushita Electric Ind Co Ltd | Master information carrier, method of producing the same, and method for recording master information signal on magnetic recording medium |
JP3253535B2 (ja) * | 1996-09-20 | 2002-02-04 | 富士通株式会社 | ディスク装置のヘッド位置決め制御装置及び磁気ディスク装置 |
US6038096A (en) * | 1997-08-28 | 2000-03-14 | Samsung Electronics Co., Ltd. | Adaptive sector seeking method for reducing disk drive power consumption |
US6420058B1 (en) * | 1999-02-19 | 2002-07-16 | Tdk Corporation | Magnetic recording medium |
US6507450B1 (en) * | 1999-06-11 | 2003-01-14 | Western Digital Technologies, Inc. | Method of continuously recording servo bursts along one continuous, single helix spiral |
JP2001256630A (ja) * | 2000-03-14 | 2001-09-21 | Toshiba Corp | 磁気記録媒体及び磁気記録再生装置 |
JP4036602B2 (ja) * | 2000-06-13 | 2008-01-23 | 松下電器産業株式会社 | マスターディスク位置決めマークの認識方法 |
US7088533B1 (en) * | 2002-04-23 | 2006-08-08 | Maxtor Corporation | Method of self-servo writing in a disk drive using a spiral pattern |
JP2004022056A (ja) * | 2002-06-14 | 2004-01-22 | Fujitsu Ltd | 磁気記録媒体初期化方法、磁気記録媒体信号転写方法、磁気記録媒体信号処理装置及び両面垂直磁気記録媒体 |
US7529051B2 (en) * | 2002-08-05 | 2009-05-05 | Seagate Technology Llc | Compensation for variation in timing skew in a disc drive data storage system |
JP2004110896A (ja) * | 2002-09-17 | 2004-04-08 | Tdk Corp | 垂直磁気記録再生システム |
JP4578779B2 (ja) * | 2003-02-25 | 2010-11-10 | 富士電機デバイステクノロジー株式会社 | 磁気記録媒体用磁気転写方法 |
JP2004318946A (ja) * | 2003-04-14 | 2004-11-11 | Fuji Photo Film Co Ltd | 磁気転写用マスター担体 |
US7265921B2 (en) * | 2004-02-10 | 2007-09-04 | Hitachi Global Storage Technologies Netherlands B.V. | Method to increase the amount of customer data on a hard disk drive |
-
2004
- 2004-07-23 JP JP2004216345A patent/JP2006040354A/ja not_active Withdrawn
-
2005
- 2005-06-29 SG SG200504784A patent/SG119353A1/en unknown
- 2005-07-14 US US11/180,646 patent/US20060007574A1/en not_active Abandoned
- 2005-07-22 CN CNB200510087468XA patent/CN1328711C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1328711C (zh) | 2007-07-25 |
US20060007574A1 (en) | 2006-01-12 |
CN1734574A (zh) | 2006-02-15 |
JP2006040354A (ja) | 2006-02-09 |
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