KR20080096386A - 단일 마스터 템플릿 및 디스크를 이용한 디스크 드라이브에의해 각 디스크면에 형성된 동일한 서보 패턴들을 가진자기 기록 디스크 - Google Patents
단일 마스터 템플릿 및 디스크를 이용한 디스크 드라이브에의해 각 디스크면에 형성된 동일한 서보 패턴들을 가진자기 기록 디스크 Download PDFInfo
- Publication number
- KR20080096386A KR20080096386A KR1020080032212A KR20080032212A KR20080096386A KR 20080096386 A KR20080096386 A KR 20080096386A KR 1020080032212 A KR1020080032212 A KR 1020080032212A KR 20080032212 A KR20080032212 A KR 20080032212A KR 20080096386 A KR20080096386 A KR 20080096386A
- Authority
- KR
- South Korea
- Prior art keywords
- servo
- plane
- magnetic recording
- fields
- field
- 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.)
- Ceased
Links
Images
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/12—Formatting, e.g. arrangement of data block or words on the 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
- G11B5/86—Re-recording, i.e. transcribing information from one magnetisable record carrier on to one or more similar or dissimilar record carriers
- G11B5/865—Re-recording, i.e. transcribing information from one magnetisable record carrier on to one or more similar or dissimilar record carriers by contact "printing"
-
- 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
- G11B21/00—Head arrangements not specific to the method of recording or reproducing
- G11B21/02—Driving or moving of heads
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B21/00—Head arrangements not specific to the method of recording or reproducing
- G11B21/02—Driving or moving of heads
- G11B21/10—Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following
-
- 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
- G11B5/74—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
- G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
- G11B5/82—Disk 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
- G11B5/596—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
- G11B5/59655—Sector, sample or burst servo format
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Nanotechnology (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Moving Of The Head To Find And Align With The Track (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/740,289 | 2007-04-26 | ||
| US11/740,289 US7652839B2 (en) | 2007-04-26 | 2007-04-26 | Magnetic recording disk with identical servo patterns formed on each disk surface by single master template and disk drive using the disk |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20080096386A true KR20080096386A (ko) | 2008-10-30 |
Family
ID=39671387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020080032212A Ceased KR20080096386A (ko) | 2007-04-26 | 2008-04-07 | 단일 마스터 템플릿 및 디스크를 이용한 디스크 드라이브에의해 각 디스크면에 형성된 동일한 서보 패턴들을 가진자기 기록 디스크 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US7652839B2 (enExample) |
| EP (1) | EP1986185A1 (enExample) |
| JP (1) | JP5049177B2 (enExample) |
| KR (1) | KR20080096386A (enExample) |
| CN (1) | CN101295515A (enExample) |
| BR (1) | BRPI0803930A2 (enExample) |
| RU (1) | RU2008116550A (enExample) |
| SG (1) | SG147365A1 (enExample) |
| TW (1) | TW200849225A (enExample) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4489031B2 (ja) * | 2006-02-17 | 2010-06-23 | 東芝ストレージデバイス株式会社 | ディスク装置補正システム、情報管理装置、原盤作製装置および原盤作製方法 |
| US7848040B2 (en) * | 2007-08-17 | 2010-12-07 | Hitachi Global Storage Technologies Netherlands B.V. | Magnetic recording disk and disk drive with amplitude-type servo fields having patterned alternating-polarity servo islands for read/write head positioning |
| US8422169B2 (en) | 2009-12-14 | 2013-04-16 | Seagate Technology Llc | Shallow trench discrete track media (DTM) and pattern transfer process |
| US9311942B2 (en) * | 2009-12-18 | 2016-04-12 | HGST Netherlands B.V. | Information storage device with multiple-use fields in servo pattern |
| US8422161B2 (en) * | 2009-12-18 | 2013-04-16 | HGST Netherlands B.V. | Information storage device with multiple-use fields in servo pattern |
| US9384779B2 (en) | 2009-12-18 | 2016-07-05 | HGST Netherlands B.V. | Information storage device with multiple-use fields in servo pattern |
| JP2011165300A (ja) * | 2010-01-12 | 2011-08-25 | Fujifilm Corp | 磁気記録媒体、該磁気記録媒体を備えた磁気記録装置および転写用担体 |
| JP5553621B2 (ja) * | 2010-01-25 | 2014-07-16 | サムスン電機ジャパンアドバンスドテクノロジー株式会社 | ディスク駆動装置 |
| US8477442B2 (en) | 2010-05-11 | 2013-07-02 | HGST Netherlands B.V. | Patterned media for self-servowriting integrated servo fields |
| US8363348B2 (en) | 2010-10-07 | 2013-01-29 | HGST Netherlands B.V. | Patterned media with structured PES servo segments encoding local track position |
| US8335047B2 (en) | 2010-10-07 | 2012-12-18 | HGST Netherlands B.V. | Patterned media with offset PES servo segments with length encoded track position |
| US8670207B2 (en) | 2011-07-06 | 2014-03-11 | HGST Netherlands B.V. | Servo pattern compatible with planarization constraints of patterned media and use of a single master template |
| US8625219B2 (en) * | 2011-07-06 | 2014-01-07 | HGST Netherlands B.V. | Patterned media with an alternating series of concentric servo zones and overlap zones |
| US8743496B2 (en) | 2011-07-06 | 2014-06-03 | HGST Netherlands B.V. | Servo pattern compatible with planarization constraints of patterned media and use of a single master template |
| US8619379B2 (en) * | 2011-07-06 | 2013-12-31 | HGST Netherlands B.V. | Patterned media with an alternating series of concentric servo zones and overlap zones |
| US8630051B2 (en) | 2011-07-06 | 2014-01-14 | HGST Netherlands B.V. | Patterned media with an alternating series of concentric servo zones and overlap zones |
| US8531794B2 (en) | 2011-07-06 | 2013-09-10 | HGST Netherlands, B.V. | Patterned media with an alternating series of concentric servo zones and overlap zones |
| US12100431B1 (en) * | 2023-10-26 | 2024-09-24 | Western Digital Technologies, Inc. | Data storage device with symmetric split burst servo pattern |
| US12277957B1 (en) | 2023-11-02 | 2025-04-15 | Western Digital Technologies, Inc. | Data storage device with embedded mode hop predictor patterns |
Family Cites Families (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4912585A (en) * | 1988-04-28 | 1990-03-27 | International Business Machines Corporation | Discrete track thin film magnetic recording disk with embedded servo information |
| JP3344495B2 (ja) * | 1993-03-04 | 2002-11-11 | ソニー株式会社 | 磁気ディスク装置 |
| US5689384A (en) * | 1994-06-30 | 1997-11-18 | International Business Machines Corporation | Timing based servo system for magnetic tape systems |
| TW342495B (en) * | 1996-07-22 | 1998-10-11 | Matsushita Electric Industrial Co Ltd | Master information carrier, method of producing the same, and method for recording master information signal on magnetic recording medium |
| JPH1050013A (ja) * | 1996-08-02 | 1998-02-20 | Fujitsu Ltd | ディスク装置のオフトラック補正方法 |
| US5930065A (en) * | 1997-05-16 | 1999-07-27 | International Business Machines Corporation | Timing based servo longitudinal addressing |
| US5923272A (en) * | 1997-07-08 | 1999-07-13 | International Business Machines Corporation | Serial bitstream code for timing-based servo |
| US6018512A (en) * | 1997-11-18 | 2000-01-25 | Seagate Technology, Inc. | System and method of encoding for identifying a given surface among several identically patterned disk surfaces |
| US6433944B1 (en) * | 1998-09-25 | 2002-08-13 | Fuji Photo Film Co., Ltd. | Master carrier for magnetic transfer and method for transfer |
| US6538835B1 (en) * | 1999-02-22 | 2003-03-25 | Seagate Technology Llc | Position signal distortion compensation during a disc drive seek |
| US6754032B1 (en) * | 1999-10-22 | 2004-06-22 | Seagate Tech. Llc | Method and system for radial and circumferential alignment of data tracks on patterned media |
| JP2003007011A (ja) * | 2001-06-21 | 2003-01-10 | Hitachi Ltd | 磁気ディスク装置 |
| US6798590B2 (en) * | 2002-01-22 | 2004-09-28 | Hitachi Global Storage Technologies Netherlands B.V. | Method for contact magnetic transfer of servo pattern to hard magnetic recording disk |
| US7027246B2 (en) * | 2002-05-09 | 2006-04-11 | Maxtor Corporation | Method for servo pattern application on single-side processed disks in a merged state |
| JP2004213700A (ja) * | 2002-11-15 | 2004-07-29 | Fuji Electric Device Technology Co Ltd | 磁気記録媒体用マスタディスクならびに位置決め装置および方法 |
| US7511912B2 (en) * | 2002-11-22 | 2009-03-31 | Seagate Technology Llc | Writing multiple servo sector patterns to improve servo sector alignment on multiple surfaces |
| US6791774B1 (en) * | 2003-05-12 | 2004-09-14 | Hitachi Global Storage Technologies Netherlands B.V. | Contact magnetic transfer of servo pattern to rigid perpendicular magnetic recording disk |
| US7092183B2 (en) * | 2003-12-10 | 2006-08-15 | Matsushita Electric Industrial Co., Ltd. | Template pattern for improving printed media self-servo writing |
| JP2006031848A (ja) * | 2004-07-16 | 2006-02-02 | Toshiba Corp | 磁気ディスクおよびこれを備えた磁気ディスク装置 |
| JP2006031856A (ja) * | 2004-07-16 | 2006-02-02 | Toshiba Corp | 垂直磁気記録用の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 |
| US7046476B1 (en) * | 2005-01-10 | 2006-05-16 | Hitachi Global Storage Technologies | Method apparatus and system for accessing discontinuous media tracks |
| JP2006318581A (ja) * | 2005-05-13 | 2006-11-24 | Tdk Corp | 情報記録媒体、記録再生装置およびスタンパー |
| US7236325B2 (en) * | 2005-06-09 | 2007-06-26 | Hitachi Global Storage Technologies Netherlands B.V. | Method for formatting a magnetic recording disk with patterned nondata islands of alternating polarity |
-
2007
- 2007-04-26 US US11/740,289 patent/US7652839B2/en not_active Expired - Fee Related
-
2008
- 2008-02-14 TW TW097105224A patent/TW200849225A/zh unknown
- 2008-02-22 EP EP08250621A patent/EP1986185A1/en not_active Ceased
- 2008-03-06 CN CNA2008100820715A patent/CN101295515A/zh active Pending
- 2008-03-06 SG SG200801864-0A patent/SG147365A1/en unknown
- 2008-03-28 JP JP2008087303A patent/JP5049177B2/ja not_active Expired - Fee Related
- 2008-04-07 KR KR1020080032212A patent/KR20080096386A/ko not_active Ceased
- 2008-04-25 RU RU2008116550/28A patent/RU2008116550A/ru not_active Application Discontinuation
- 2008-04-28 BR BRPI0803930-5A patent/BRPI0803930A2/pt not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| JP5049177B2 (ja) | 2012-10-17 |
| US7652839B2 (en) | 2010-01-26 |
| JP2008276911A (ja) | 2008-11-13 |
| CN101295515A (zh) | 2008-10-29 |
| US20080266701A1 (en) | 2008-10-30 |
| SG147365A1 (en) | 2008-11-28 |
| EP1986185A1 (en) | 2008-10-29 |
| BRPI0803930A2 (pt) | 2009-06-02 |
| TW200849225A (en) | 2008-12-16 |
| RU2008116550A (ru) | 2009-10-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 20080407 |
|
| PG1501 | Laying open of application | ||
| A201 | Request for examination | ||
| PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 20121009 Comment text: Request for Examination of Application Patent event code: PA02011R01I Patent event date: 20080407 Comment text: Patent Application |
|
| E902 | Notification of reason for refusal | ||
| PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20131022 Patent event code: PE09021S01D |
|
| E601 | Decision to refuse application | ||
| PE0601 | Decision on rejection of patent |
Patent event date: 20131227 Comment text: Decision to Refuse Application Patent event code: PE06012S01D Patent event date: 20131022 Comment text: Notification of reason for refusal Patent event code: PE06011S01I |