CN101256780B - 图案化磁记录介质及具有该介质的磁记录系统 - Google Patents
图案化磁记录介质及具有该介质的磁记录系统 Download PDFInfo
- Publication number
- CN101256780B CN101256780B CN200810074073XA CN200810074073A CN101256780B CN 101256780 B CN101256780 B CN 101256780B CN 200810074073X A CN200810074073X A CN 200810074073XA CN 200810074073 A CN200810074073 A CN 200810074073A CN 101256780 B CN101256780 B CN 101256780B
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- road
- island
- magnetic recording
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- along
- 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.)
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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
- G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
- G11B5/82—Disk carriers
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- 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
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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
- G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
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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
- 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
- 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
- G11B5/743—Patterned record carriers, wherein the magnetic recording layer is patterned into magnetic isolated data islands, e.g. discrete tracks
- G11B5/746—Bit Patterned record carriers, wherein each magnetic isolated data island corresponds to a bit
-
- 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
-
- 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
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- 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)
Abstract
Description
Claims (14)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/680,398 US7782561B2 (en) | 2007-02-28 | 2007-02-28 | Patterned magnetic recording medium with data island pattern for improved reading and writing and magnetic recording system incorporating the medium |
US11/680,398 | 2007-02-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101256780A CN101256780A (zh) | 2008-09-03 |
CN101256780B true CN101256780B (zh) | 2012-07-04 |
Family
ID=39466668
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200810074073XA Active CN101256780B (zh) | 2007-02-28 | 2008-02-21 | 图案化磁记录介质及具有该介质的磁记录系统 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7782561B2 (zh) |
EP (1) | EP1965374A1 (zh) |
JP (1) | JP2008217967A (zh) |
CN (1) | CN101256780B (zh) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4724060B2 (ja) * | 2006-06-30 | 2011-07-13 | 株式会社東芝 | 磁気ディスク装置 |
JP4728892B2 (ja) * | 2006-06-30 | 2011-07-20 | 株式会社東芝 | 磁気記録媒体およびその製造方法 |
US9495996B2 (en) | 2007-06-29 | 2016-11-15 | Seagate Technology, Llc | Writer with increased write field |
US8339735B2 (en) * | 2007-06-29 | 2012-12-25 | Seagate Technology Llc | Magnetic writer for patterned stack with increased write field |
US7835094B2 (en) * | 2008-07-02 | 2010-11-16 | Seagate Technology Llc | Embedded track information for patterned media |
US7911728B2 (en) * | 2008-11-26 | 2011-03-22 | Hitachi Global Storage Technologies Netherlands B.V. | Method for servowriting a patterned-media perpendicular magnetic recording disk using position error signal (PES) alignment fields |
JP2010135024A (ja) * | 2008-12-05 | 2010-06-17 | Hitachi Global Storage Technologies Netherlands Bv | 磁気記録媒体及び磁気記録方法 |
US8208228B2 (en) * | 2009-09-23 | 2012-06-26 | Hitachi Global Storage Technologies Netherlands B.V. | Current-perpendicular-to-the-plane (CPP) magnetoresistive read head with multiple sensing elements for patterned-media |
US8059350B2 (en) * | 2009-10-22 | 2011-11-15 | Hitachi Global Storage Technologies Netherlands B.V. | Patterned magnetic recording disk with patterned servo sectors having chevron servo patterns |
US8651098B2 (en) * | 2010-03-04 | 2014-02-18 | MacTech, Inc. | Apparatus, system and method for using a diamond-impregnated wire to cut an object |
JP4869418B2 (ja) * | 2010-03-12 | 2012-02-08 | 株式会社東芝 | 磁気記録装置および磁気記録方法 |
KR101771184B1 (ko) * | 2010-04-07 | 2017-08-24 | 시게이트 테크놀로지 엘엘씨 | 기록매체에 기록된 정보 보호 방법과 이를 적용한 디스크 드라이브 및 기록매체 |
JP5023192B2 (ja) * | 2010-06-28 | 2012-09-12 | 株式会社東芝 | 磁気記録装置、磁気記録方法および磁気記録媒体 |
US8432633B2 (en) | 2010-10-26 | 2013-04-30 | HGST Netherlands B.V. | System, method and apparatus for storage architecture for bit patterned media using both erase band and shingled magnetic recording |
JP5681511B2 (ja) * | 2011-01-31 | 2015-03-11 | 株式会社東芝 | 情報記録装置及び情報記録方法 |
US8786969B2 (en) * | 2011-09-30 | 2014-07-22 | HGST Netherlands B.V. | Shingled recording systems using multiple pass write, single pass read architecture |
US8593751B2 (en) | 2011-11-30 | 2013-11-26 | HGST Netherlands B.V. | Patterned magnetic recording disk for multi-track recording with compensation for head skew |
US8848314B2 (en) | 2011-12-07 | 2014-09-30 | HGST Netherlands B.V. | Write head designed for adjusting relative write phase between subtracks of a patterned media hypertrack |
US9373349B1 (en) * | 2015-05-29 | 2016-06-21 | Seagate Technology Llc | Relaxing media design constraints with two-dimensional magnetic recording |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6602620B1 (en) * | 1998-12-28 | 2003-08-05 | Kabushiki Kaisha Toshiba | Magnetic recording apparatus, magnetic recording medium and manufacturing method thereof |
US6620532B2 (en) * | 2000-01-21 | 2003-09-16 | Tdk Corporation | Magnetic recording medium and magnetic write/read method |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100274522B1 (ko) * | 1996-03-14 | 2001-01-15 | 니시무로 타이죠 | 멀티자기헤드및이것을구비한자기디스크장치 |
US6440520B1 (en) | 1999-07-09 | 2002-08-27 | International Business Machines Corporation | Patterned magnetic recording disk with substrate patterned by ion implantation |
JP3861197B2 (ja) * | 2001-03-22 | 2006-12-20 | 株式会社東芝 | 記録媒体の製造方法 |
US6754017B2 (en) | 2001-10-26 | 2004-06-22 | Hitachi Global Storage Technologies, Netherlands B.V. | Patterned media magnetic recording disk drive with timing of write pulses by sensing the patterned media |
JP3699925B2 (ja) | 2001-11-22 | 2005-09-28 | 株式会社東芝 | 記録読み出し装置および記録読み出し方法 |
US6937421B2 (en) | 2002-01-11 | 2005-08-30 | International Business Machines Corporation | Patterned media having offset tracks |
JP3884394B2 (ja) * | 2003-03-28 | 2007-02-21 | 株式会社東芝 | 記録媒体、記録再生装置、記録媒体の製造装置、及び記録媒体の製造方法 |
US20050094298A1 (en) | 2003-09-22 | 2005-05-05 | Kabushiki Kaisha Toshiba | Imprint stamper, method for manufacturing the same, recording medium, method for manufacturing the same, information recording/reproducing method, and information recording/reproducing apparatus |
JP3869404B2 (ja) | 2003-10-16 | 2007-01-17 | 株式会社東芝 | 記録媒体及び記録再生装置 |
US7317596B2 (en) | 2005-06-21 | 2008-01-08 | Hitachi Global Storage Technologies Netherlands B.V. | Magnetic recording disk drive having read head with high cross-track resolution and disk with low bit-aspect-ratio |
JP4153947B2 (ja) | 2005-12-05 | 2008-09-24 | 株式会社東芝 | 記録媒体および記録装置 |
US20070258161A1 (en) * | 2006-05-08 | 2007-11-08 | Seagate Technology Llc | Data storage device with bit patterned media with staggered islands |
-
2007
- 2007-02-28 US US11/680,398 patent/US7782561B2/en active Active
- 2007-11-16 EP EP07254488A patent/EP1965374A1/en not_active Withdrawn
-
2008
- 2008-01-30 JP JP2008019155A patent/JP2008217967A/ja active Pending
- 2008-02-21 CN CN200810074073XA patent/CN101256780B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6602620B1 (en) * | 1998-12-28 | 2003-08-05 | Kabushiki Kaisha Toshiba | Magnetic recording apparatus, magnetic recording medium and manufacturing method thereof |
US6620532B2 (en) * | 2000-01-21 | 2003-09-16 | Tdk Corporation | Magnetic recording medium and magnetic write/read method |
Also Published As
Publication number | Publication date |
---|---|
CN101256780A (zh) | 2008-09-03 |
JP2008217967A (ja) | 2008-09-18 |
US7782561B2 (en) | 2010-08-24 |
EP1965374A1 (en) | 2008-09-03 |
US20080204915A1 (en) | 2008-08-28 |
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PB01 | Publication | ||
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SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: HGST NETHERLANDS BV Free format text: FORMER NAME: HITACHI GLOBAL STORAGE TECH |
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CP01 | Change in the name or title of a patent holder |
Address after: Amsterdam Patentee after: Hitachi Global Storage Technologies Netherlands B. V. Address before: Amsterdam Patentee before: Hitachi Global Storage Tech |
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TR01 | Transfer of patent right |
Effective date of registration: 20190125 Address after: American California Patentee after: Western Digital Technologies, Inc. Address before: Amsterdam Patentee before: Hitachi Global Storage Technologies Netherlands B. V. |