CN101329874A - 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
- CN101329874A CN101329874A CNA2008100912187A CN200810091218A CN101329874A CN 101329874 A CN101329874 A CN 101329874A CN A2008100912187 A CNA2008100912187 A CN A2008100912187A CN 200810091218 A CN200810091218 A CN 200810091218A CN 101329874 A CN101329874 A CN 101329874A
- Authority
- CN
- China
- Prior art keywords
- servo
- track
- data
- field
- dish
- 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.)
- Granted
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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
Abstract
Description
Claims (11)
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 true CN101329874A (zh) | 2008-12-24 |
CN101329874B CN101329874B (zh) | 2011-01-12 |
Family
ID=39766870
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2008100912187A Active 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) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102097103A (zh) * | 2009-12-09 | 2011-06-15 | 日立环球储存科技荷兰有限公司 | 具有使用相位型伺服图案的磁道标识的磁记录盘和盘驱动器 |
CN102194492A (zh) * | 2010-02-03 | 2011-09-21 | 日立环球储存科技荷兰有限公司 | 磁盘、盘驱动器系统和在磁盘上写入伺服数据的方法 |
Families Citing this family (8)
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 |
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 |
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 |
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 |
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 |
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 |
JP6473131B2 (ja) | 2013-03-12 | 2019-02-20 | アプライド マテリアルズ インコーポレイテッドApplied Materials,Incorporated | 方位角方向及び半径方向分布制御を備えたマルチゾーンガス注入アセンブリ |
Family Cites Families (19)
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 |
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 |
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 |
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 |
US7046476B1 (en) * | 2005-01-10 | 2006-05-16 | Hitachi Global Storage Technologies | Method apparatus and system for accessing discontinuous media tracks |
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 active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102097103A (zh) * | 2009-12-09 | 2011-06-15 | 日立环球储存科技荷兰有限公司 | 具有使用相位型伺服图案的磁道标识的磁记录盘和盘驱动器 |
CN102097103B (zh) * | 2009-12-09 | 2015-11-18 | Hgst荷兰公司 | 具有使用相位型伺服图案的磁道标识的磁记录盘和盘驱动器 |
CN102194492A (zh) * | 2010-02-03 | 2011-09-21 | 日立环球储存科技荷兰有限公司 | 磁盘、盘驱动器系统和在磁盘上写入伺服数据的方法 |
Also Published As
Publication number | Publication date |
---|---|
CN101329874B (zh) | 2011-01-12 |
US7466506B1 (en) | 2008-12-16 |
EP2026335A1 (en) | 2009-02-18 |
US20080316638A1 (en) | 2008-12-25 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
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 |
|
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 |
|
TR01 | Transfer of patent right | ||
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. |