JP2008257851A5 - - Google Patents
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- Publication number
- JP2008257851A5 JP2008257851A5 JP2008099230A JP2008099230A JP2008257851A5 JP 2008257851 A5 JP2008257851 A5 JP 2008257851A5 JP 2008099230 A JP2008099230 A JP 2008099230A JP 2008099230 A JP2008099230 A JP 2008099230A JP 2008257851 A5 JP2008257851 A5 JP 2008257851A5
- Authority
- JP
- Japan
- Prior art keywords
- magnetic head
- temperature
- height profile
- disk drive
- flying height
- 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
Links
- 230000003044 adaptive effect Effects 0.000 claims 5
- 238000000034 method Methods 0.000 claims 5
- 238000005259 measurement Methods 0.000 claims 2
- 238000010438 heat treatment Methods 0.000 claims 1
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020070033758A KR100825812B1 (ko) | 2007-04-05 | 2007-04-05 | 적응적 자기 헤드 비행 높이 조정 방법 및 이를 이용한디스크 드라이브 |
| KR10-2007-0033758 | 2007-04-05 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2008257851A JP2008257851A (ja) | 2008-10-23 |
| JP2008257851A5 true JP2008257851A5 (enExample) | 2011-05-26 |
| JP5165445B2 JP5165445B2 (ja) | 2013-03-21 |
Family
ID=39487226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008099230A Expired - Fee Related JP5165445B2 (ja) | 2007-04-05 | 2008-04-07 | 適応的磁気ヘッド飛行高さ調整方法、この方法をコンピュータで実行させるためのプログラムを記録したコンピュータで読み取り可能な記録媒体及びこれを利用したディスクドライブ |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US7961420B2 (enExample) |
| EP (1) | EP1978510B1 (enExample) |
| JP (1) | JP5165445B2 (enExample) |
| KR (1) | KR100825812B1 (enExample) |
| CN (1) | CN101359481B (enExample) |
| DE (1) | DE602008000558D1 (enExample) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008310904A (ja) * | 2007-06-15 | 2008-12-25 | Fujitsu Ltd | 制御装置、記憶装置、ヒータ設定値決定プログラムおよび記憶装置製造方法 |
| US7586711B2 (en) * | 2007-12-10 | 2009-09-08 | Hitachi Global Storage Technologies Netherlands B.V. | Magnetic performance of a magnetic transducer operating within a hard disk drive |
| KR20100104168A (ko) * | 2009-03-17 | 2010-09-29 | 삼성전자주식회사 | 하드디스크 드라이브의 fod 전압 제어 방법 |
| US8653824B1 (en) * | 2009-12-16 | 2014-02-18 | Western Digital (Fremont), Llc | Delta temperature test method and system |
| JP4829353B2 (ja) | 2010-02-26 | 2011-12-07 | 株式会社東芝 | ディスク記憶装置及びヘッド浮上量制御方法 |
| 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 |
| KR20130007180A (ko) * | 2011-06-30 | 2013-01-18 | 시게이트 테크놀로지 엘엘씨 | 하드디스크 드라이브 및 하드디스크 드라이브의 자기 헤드의 부상높이 제어 방법 |
| US8767339B2 (en) * | 2012-03-20 | 2014-07-01 | Sae Magnetics (Hk) Ltd. | Spacing fluctuation compensation |
| US8717702B2 (en) * | 2012-03-20 | 2014-05-06 | SAE Magnetics (HK) Lid. | Measurement of spacing fluctuation |
| US8902718B1 (en) * | 2013-05-21 | 2014-12-02 | Western Digital Technologies, Inc. | Disk drive calibrating dynamic fly height write profile for fly height actuator |
| US9007882B1 (en) * | 2013-07-31 | 2015-04-14 | Seagate Technology Llc | Heater to keep reader head in stable temperature range |
| US9177599B1 (en) | 2013-10-24 | 2015-11-03 | Seagate Technology Llc | Non-contact fly height calibration and compensation |
| US9001453B1 (en) | 2014-07-18 | 2015-04-07 | Western Digital Technologies, Inc. | Data storage device calibrating fly height actuator based on read mode touchdown resistance of touchdown sensor |
| US9153266B1 (en) | 2014-09-11 | 2015-10-06 | Western Digital Technologies, Inc. | Data storage device measuring laser protrusion fly height profile |
| US9466330B1 (en) * | 2015-11-12 | 2016-10-11 | Kabushiki Kaisha Toshiba | Correction value calculating method, manufacturing method of disk drive, and disk drive |
| US10311905B1 (en) | 2018-03-27 | 2019-06-04 | Seagate Technology Llc | Methods, devices, and systems for establishing fly-height parameters for hard disk drives |
| US10878844B1 (en) * | 2020-03-12 | 2020-12-29 | Western Digital Technologies, Inc. | Data storage device controlling head fly height based on temperature |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5991113A (en) * | 1997-04-07 | 1999-11-23 | Seagate Technology, Inc. | Slider with temperature responsive transducer positioning |
| JP2004079126A (ja) | 2002-08-22 | 2004-03-11 | Toshiba Corp | 磁気ディスク装置 |
| JP2004185735A (ja) | 2002-12-04 | 2004-07-02 | Matsushita Electric Ind Co Ltd | 磁気ヘッドアセンブリおよび磁気ディスク装置 |
| JP4076434B2 (ja) * | 2002-12-12 | 2008-04-16 | 株式会社日立グローバルストレージテクノロジーズ | 磁気ヘッド及びヘッド・ジンバル・アセンブリ |
| US7042670B2 (en) | 2003-07-11 | 2006-05-09 | Sae Magnetics (H.K.) Ltd. | Method for adjusting flying height of magnetic heads using an electrical charge through an electrical pad on the slider |
| JP4289670B2 (ja) | 2004-02-25 | 2009-07-01 | 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 | データ記憶装置及びその制御方法 |
| US7268966B2 (en) | 2004-09-30 | 2007-09-11 | Hitachi Global Storage Technologies Netherlands, B.V. | System and method for adjusting fly heights in a hard disk drive having multiple heads |
| JP2006164388A (ja) * | 2004-12-07 | 2006-06-22 | Hitachi Global Storage Technologies Netherlands Bv | 磁気ヘッドスライダの浮上量制御方法および磁気ディスク装置 |
| JP2006196141A (ja) * | 2004-12-13 | 2006-07-27 | Tdk Corp | 発熱手段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 |
| JP2006344270A (ja) * | 2005-06-08 | 2006-12-21 | Hitachi Global Storage Technologies Netherlands Bv | 磁気ディスク装置及び磁気ヘッドスライダ |
| JP2007042239A (ja) * | 2005-08-04 | 2007-02-15 | Hitachi Global Storage Technologies Netherlands Bv | 磁気ディスク装置及び磁気ディスク装置の製造方法 |
| JP2007080409A (ja) * | 2005-09-15 | 2007-03-29 | Hitachi Global Storage Technologies Netherlands Bv | ディスク・ドライブ及びその制御方法 |
| JP4895560B2 (ja) * | 2005-09-22 | 2012-03-14 | 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 | データ記憶装置 |
| JP4908869B2 (ja) * | 2006-02-16 | 2012-04-04 | 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 | 磁気ディスク装置 |
| JP4379814B2 (ja) * | 2006-03-28 | 2009-12-09 | 富士通株式会社 | 記憶装置、制御方法、制御装置及びプログラム |
| JP2008047241A (ja) * | 2006-08-18 | 2008-02-28 | Tdk Corp | 浮上量測定方法及び浮上量の調整が可能な磁気ディスク装置 |
-
2007
- 2007-04-05 KR KR1020070033758A patent/KR100825812B1/ko not_active Expired - Fee Related
-
2008
- 2008-03-28 EP EP08153505A patent/EP1978510B1/en not_active Expired - Fee Related
- 2008-03-28 DE DE602008000558T patent/DE602008000558D1/de active Active
- 2008-04-03 CN CN2008101611986A patent/CN101359481B/zh not_active Expired - Fee Related
- 2008-04-07 US US12/098,630 patent/US7961420B2/en not_active Expired - Fee Related
- 2008-04-07 JP JP2008099230A patent/JP5165445B2/ja not_active Expired - Fee Related
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