KR100756238B1 - 실시간 자기 헤드와 데이터 저장 매체 사이의 거리 조절장치와 방법 - Google Patents
실시간 자기 헤드와 데이터 저장 매체 사이의 거리 조절장치와 방법 Download PDFInfo
- Publication number
- KR100756238B1 KR100756238B1 KR1020060065297A KR20060065297A KR100756238B1 KR 100756238 B1 KR100756238 B1 KR 100756238B1 KR 1020060065297 A KR1020060065297 A KR 1020060065297A KR 20060065297 A KR20060065297 A KR 20060065297A KR 100756238 B1 KR100756238 B1 KR 100756238B1
- Authority
- KR
- South Korea
- Prior art keywords
- data storage
- distance
- storage medium
- magnetic head
- control signal
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- 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
- G11B21/16—Supporting the heads; Supporting the sockets for plug-in heads
- G11B21/20—Supporting the heads; Supporting the sockets for plug-in heads while the head is in operative position but stationary or permitting minor movements to follow irregularities in surface of record carrier
- G11B21/21—Supporting the heads; Supporting the sockets for plug-in heads while the head is in operative position but stationary or permitting minor movements to follow irregularities in surface of record carrier with provision for maintaining desired spacing of head from record carrier, e.g. fluid-dynamic spacing, slider
-
- 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
- G11B5/60—Fluid-dynamic spacing of heads from record-carriers
- G11B5/6005—Specially adapted for spacing from a rotating disc using a fluid cushion
-
- 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
- G11B21/12—Raising and lowering; Back-spacing or forward-spacing along track; Returning to starting position otherwise than during transducing operation
-
- 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
- G11B21/16—Supporting the heads; Supporting the sockets for plug-in heads
- G11B21/24—Head support adjustments
-
- 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
- G11B5/60—Fluid-dynamic spacing of heads from record-carriers
- G11B5/6005—Specially adapted for spacing from a rotating disc using a fluid cushion
- G11B5/6011—Control of flying height
- G11B5/6064—Control of flying height using air pressure
-
- 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
- G11B5/60—Fluid-dynamic spacing of heads from record-carriers
- G11B5/6005—Specially adapted for spacing from a rotating disc using a fluid cushion
- G11B5/6011—Control of flying height
- G11B5/607—Control of flying height using thermal means
Landscapes
- Digital Magnetic Recording (AREA)
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020060065297A KR100756238B1 (ko) | 2006-07-12 | 2006-07-12 | 실시간 자기 헤드와 데이터 저장 매체 사이의 거리 조절장치와 방법 |
| EP07112112A EP1881492A3 (en) | 2006-07-12 | 2007-07-10 | Device and method for adjusting distance between magnetic head and data storage medium |
| US11/775,244 US7602573B2 (en) | 2006-07-12 | 2007-07-10 | Device and method for adjusting distance between magnetic head and data storage medium |
| JP2007183538A JP2008021405A (ja) | 2006-07-12 | 2007-07-12 | 磁気ヘッドとデータ記録媒体との間の距離をリアルタイムで調節する装置および方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020060065297A KR100756238B1 (ko) | 2006-07-12 | 2006-07-12 | 실시간 자기 헤드와 데이터 저장 매체 사이의 거리 조절장치와 방법 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR100756238B1 true KR100756238B1 (ko) | 2007-09-07 |
Family
ID=38667029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020060065297A Expired - Fee Related KR100756238B1 (ko) | 2006-07-12 | 2006-07-12 | 실시간 자기 헤드와 데이터 저장 매체 사이의 거리 조절장치와 방법 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US7602573B2 (enExample) |
| EP (1) | EP1881492A3 (enExample) |
| JP (1) | JP2008021405A (enExample) |
| KR (1) | KR100756238B1 (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101481202B1 (ko) * | 2007-12-14 | 2015-01-09 | 엘에스아이 코포레이션 | 서보 데이터를 사용하는 플라이―하이트 제어를 위한 시스템들 및 방법들 |
| KR101482292B1 (ko) * | 2007-12-14 | 2015-01-13 | 엘에스아이 코포레이션 | 서보 어드레스 마크 데이터를 사용하는 플라이―하이트 제어를 위한 시스템들 및 방법들 |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4986876B2 (ja) * | 2008-02-02 | 2012-07-25 | ヒタチグローバルストレージテクノロジーズネザーランドビーブイ | ディスク・ドライブ装置 |
| CN101821808B (zh) * | 2008-07-28 | 2014-03-19 | 艾格瑞系统有限公司 | 用于确定头组件与存储介质之间的飞行高度的系统和方法 |
| JP2010033670A (ja) * | 2008-07-30 | 2010-02-12 | Toshiba Storage Device Corp | 磁気ヘッドの浮上量制御装置及び磁気ディスク装置 |
| US7986487B1 (en) | 2008-10-31 | 2011-07-26 | Marvell International Ltd. | Harmonic sensor |
| KR20110108180A (ko) * | 2010-03-26 | 2011-10-05 | 삼성전자주식회사 | 헤드의 터치-다운 검출 방법 및 이를 이용한 헤드 부상 높이 조정 방법 및 디스크 드라이브 |
| US9001452B2 (en) * | 2013-03-15 | 2015-04-07 | Seagate Technology Llc | Head to media proximity detection |
| US9916858B1 (en) * | 2016-11-10 | 2018-03-13 | Seagate Technology Llc | Detection of Z-axis non-operation shock |
| US10304559B2 (en) * | 2016-12-30 | 2019-05-28 | Western Digital Technologies, Inc. | Memory write verification using temperature compensation |
| US11881239B1 (en) | 2022-04-29 | 2024-01-23 | Seagate Technology Llc | Determining fly height using readback signal distortion |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0581807A (ja) * | 1990-11-30 | 1993-04-02 | Internatl Business Mach Corp <Ibm> | デイスク・フアイル装置におけるトランデユーサ・ヘツドの浮動高さの変化を測定する方法及び装置 |
| US5377058A (en) * | 1992-12-31 | 1994-12-27 | International Business Machines Corporation | Fly height servo control of read/write head suspension |
| US6288856B1 (en) * | 1999-05-26 | 2001-09-11 | International Business Machines Corporation | Real-time head-to-disk clearance measuring method and apparatus |
| US20050046982A1 (en) | 2003-08-29 | 2005-03-03 | Bo Liu | Method and implementation of in-situ absolute head medium spacing measurement |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10177774A (ja) * | 1996-12-16 | 1998-06-30 | Fujitsu Ltd | ディスク装置及び携帯型電子装置 |
| JP2003272335A (ja) * | 2002-03-13 | 2003-09-26 | Toshiba Corp | 磁気ディスク装置 |
| JP2004014092A (ja) * | 2002-06-12 | 2004-01-15 | Hitachi Ltd | 磁気ディスク装置 |
| US8531796B2 (en) * | 2004-01-09 | 2013-09-10 | International Business Machines Corporation | Fly height extraction system |
| JP4093250B2 (ja) * | 2004-06-04 | 2008-06-04 | Tdk株式会社 | オーバーコート積層体内に発熱体を備えた薄膜磁気ヘッド、該薄膜磁気ヘッドを備えたヘッドジンバルアセンブリ及び該ヘッドジンバルアセンブリを備えた磁気ディスク装置 |
| JP2007272978A (ja) * | 2006-03-30 | 2007-10-18 | Fujitsu Ltd | 磁気記憶装置におけるヘッド浮上量測定装置 |
-
2006
- 2006-07-12 KR KR1020060065297A patent/KR100756238B1/ko not_active Expired - Fee Related
-
2007
- 2007-07-10 US US11/775,244 patent/US7602573B2/en not_active Expired - Fee Related
- 2007-07-10 EP EP07112112A patent/EP1881492A3/en not_active Withdrawn
- 2007-07-12 JP JP2007183538A patent/JP2008021405A/ja active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0581807A (ja) * | 1990-11-30 | 1993-04-02 | Internatl Business Mach Corp <Ibm> | デイスク・フアイル装置におけるトランデユーサ・ヘツドの浮動高さの変化を測定する方法及び装置 |
| US5377058A (en) * | 1992-12-31 | 1994-12-27 | International Business Machines Corporation | Fly height servo control of read/write head suspension |
| US6288856B1 (en) * | 1999-05-26 | 2001-09-11 | International Business Machines Corporation | Real-time head-to-disk clearance measuring method and apparatus |
| US20050046982A1 (en) | 2003-08-29 | 2005-03-03 | Bo Liu | Method and implementation of in-situ absolute head medium spacing measurement |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101481202B1 (ko) * | 2007-12-14 | 2015-01-09 | 엘에스아이 코포레이션 | 서보 데이터를 사용하는 플라이―하이트 제어를 위한 시스템들 및 방법들 |
| KR101482292B1 (ko) * | 2007-12-14 | 2015-01-13 | 엘에스아이 코포레이션 | 서보 어드레스 마크 데이터를 사용하는 플라이―하이트 제어를 위한 시스템들 및 방법들 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1881492A2 (en) | 2008-01-23 |
| JP2008021405A (ja) | 2008-01-31 |
| US7602573B2 (en) | 2009-10-13 |
| EP1881492A3 (en) | 2009-08-12 |
| US20080037157A1 (en) | 2008-02-14 |
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St.27 status event code: A-0-1-A10-A12-nap-PA0109 |
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| PA0201 | Request for examination |
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| D13-X000 | Search requested |
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| D14-X000 | Search report completed |
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| E701 | Decision to grant or registration of patent right | ||
| PE0701 | Decision of registration |
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