CN101329874B - 有用于相同伺服模式的盘面的头伺服控制系统的盘驱动器 - Google Patents
有用于相同伺服模式的盘面的头伺服控制系统的盘驱动器 Download PDFInfo
- Publication number
- CN101329874B CN101329874B CN2008100912187A CN200810091218A CN101329874B CN 101329874 B CN101329874 B CN 101329874B CN 2008100912187 A CN2008100912187 A CN 2008100912187A CN 200810091218 A CN200810091218 A CN 200810091218A CN 101329874 B CN101329874 B CN 101329874B
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- Prior art keywords
- servo
- track
- dish
- data
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- 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
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Images
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
- G11B5/54—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 into or out of its operative position or across tracks
- G11B5/55—Track change, selection or acquisition by displacement of the head
- G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
- G11B5/5526—Control therefor; circuits, track configurations or relative disposition of servo-information transducers and servo-information tracks for control thereof
- G11B5/553—Details
- G11B5/5547—"Seek" control and circuits therefor
Landscapes
- Moving Of The Head To Find And Align With The Track (AREA)
Abstract
Description
Claims (12)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/765,335 | 2007-06-19 | ||
US11/765,335 US7466506B1 (en) | 2007-06-19 | 2007-06-19 | Magnetic recording disk drive with head positioning servo control system for disk surfaces with identical servo patterns |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101329874A CN101329874A (zh) | 2008-12-24 |
CN101329874B true CN101329874B (zh) | 2011-01-12 |
Family
ID=39766870
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2008100912187A Expired - Fee Related CN101329874B (zh) | 2007-06-19 | 2008-04-21 | 有用于相同伺服模式的盘面的头伺服控制系统的盘驱动器 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7466506B1 (zh) |
EP (1) | EP2026335A1 (zh) |
CN (1) | CN101329874B (zh) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110051286A1 (en) * | 2009-09-01 | 2011-03-03 | Seagate Technology Llc | Writing data on alternating magnetic and nonmagnetic stripes of a servo pattern |
US8000048B2 (en) * | 2009-12-09 | 2011-08-16 | Hitachi Global Storage Technologies Netherlands B.V. | Magnetic recording disk and disk drive with track identification using phase-type servo patterns |
US8467143B2 (en) * | 2010-02-03 | 2013-06-18 | HGST Netherlands, B.V. | Servo patterning and writing compatible with planarization of patterned magnetic disks |
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 |
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 |
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 |
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 |
KR102152858B1 (ko) | 2013-03-12 | 2020-09-07 | 어플라이드 머티어리얼스, 인코포레이티드 | 방위각 및 방사상 분배 제어되는 다중-구역 가스 주입 조립체 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1104022A (zh) * | 1993-03-04 | 1995-06-21 | 索尼公司 | 磁盘装置及其制造方法 |
US6538835B1 (en) * | 1999-02-22 | 2003-03-25 | Seagate Technology Llc | Position signal distortion compensation during a disc drive seek |
US7046476B1 (en) * | 2005-01-10 | 2006-05-16 | Hitachi Global Storage Technologies | Method apparatus and system for accessing discontinuous media tracks |
Family Cites Families (16)
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 |
US5689384A (en) | 1994-06-30 | 1997-11-18 | International Business Machines Corporation | Timing based servo system for magnetic tape systems |
KR100195182B1 (ko) * | 1995-11-08 | 1999-06-15 | 윤종용 | 서보 필드 단축 하드 디스크 드라이버 및 그 구동방법 |
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 |
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 |
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 |
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 |
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 |
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 |
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
- 2007-06-19 US US11/765,335 patent/US7466506B1/en active Active
-
2008
- 2008-02-25 EP EP08003386A patent/EP2026335A1/en not_active Withdrawn
- 2008-04-21 CN CN2008100912187A patent/CN101329874B/zh not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1104022A (zh) * | 1993-03-04 | 1995-06-21 | 索尼公司 | 磁盘装置及其制造方法 |
US6538835B1 (en) * | 1999-02-22 | 2003-03-25 | Seagate Technology Llc | Position signal distortion compensation during a disc drive seek |
US7046476B1 (en) * | 2005-01-10 | 2006-05-16 | Hitachi Global Storage Technologies | Method apparatus and system for accessing discontinuous media tracks |
Also Published As
Publication number | Publication date |
---|---|
EP2026335A1 (en) | 2009-02-18 |
CN101329874A (zh) | 2008-12-24 |
US7466506B1 (en) | 2008-12-16 |
US20080316638A1 (en) | 2008-12-25 |
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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, The Netherlands Patentee after: HGST Netherlands B.V. Address before: Amsterdam, The Netherlands Patentee before: HITACHI GLOBAL STORAGE TECHNOLOGIES NETHERLANDS B.V. |
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TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20190125 Address after: California, USA Patentee after: Western Digital Technologies, Inc. Address before: Amsterdam, The Netherlands Patentee before: HGST Netherlands B.V. |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110112 |