JP2014022036A5 - - Google Patents
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- JP2014022036A5 JP2014022036A5 JP2013150444A JP2013150444A JP2014022036A5 JP 2014022036 A5 JP2014022036 A5 JP 2014022036A5 JP 2013150444 A JP2013150444 A JP 2013150444A JP 2013150444 A JP2013150444 A JP 2013150444A JP 2014022036 A5 JP2014022036 A5 JP 2014022036A5
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Description
本発明は、データ記憶のために用いられる装置、および方法に関する。
米国特許第7800858号明細書
米国特許出願公開第2004/0240109号明細書
米国特許出願公開第2008/0239581号明細書
米国特許出願公開第2011/0157736号明細書
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/555,581 US9082440B2 (en) | 2012-07-23 | 2012-07-23 | Using first and second resistive sensor bias levels to detect head-to-disk contact and/or clearance |
US13/555,581 | 2012-07-23 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2014022036A JP2014022036A (ja) | 2014-02-03 |
JP2014022036A5 true JP2014022036A5 (ja) | 2014-03-20 |
JP5927148B2 JP5927148B2 (ja) | 2016-05-25 |
Family
ID=48782168
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013150444A Expired - Fee Related JP5927148B2 (ja) | 2012-07-23 | 2013-07-19 | ヘッドとディスクとの接触および/または間隔を検知する装置、ならびに方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9082440B2 (ja) |
EP (1) | EP2690625A3 (ja) |
JP (1) | JP5927148B2 (ja) |
KR (1) | KR101502838B1 (ja) |
CN (1) | CN103578485B (ja) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103098133B (zh) * | 2010-11-17 | 2016-08-03 | 希捷科技有限公司 | 具有用于头-介质间距和接触检测的多个电阻温度传感器的头换能器 |
US8941941B1 (en) * | 2013-02-28 | 2015-01-27 | Western Digital Technologies, Inc. | Disk drive calibrating touchdown sensor |
US8902533B1 (en) * | 2013-08-30 | 2014-12-02 | Western Digital Technologies, Inc. | Disk drive detecting different asperities on a disk using different sensor bias settings |
US9558773B2 (en) * | 2014-12-04 | 2017-01-31 | Seagate Technology Llc | Apparatus and method for setting slider surface potential |
US9548072B2 (en) * | 2015-02-11 | 2017-01-17 | Seagate Technology Llc | Concurrent modulation and frictional heating head disk contact detection |
US9472225B2 (en) | 2015-02-11 | 2016-10-18 | Seagate Technology Llc | Heat-assisted magnetic recording head-disk clearance setting |
US9443543B1 (en) * | 2015-03-11 | 2016-09-13 | Kabushiki Kaisha Toshiba | Disk storage device and method for controlling head flying height |
US9881642B2 (en) * | 2015-03-31 | 2018-01-30 | Seagate Technology Llc | Disk surface defect detection |
US9607649B1 (en) * | 2016-04-08 | 2017-03-28 | Seagate Technology Llc | Determining write-induced protrusion as a function of laser power using temperature measurements |
US9990950B1 (en) | 2017-07-17 | 2018-06-05 | Seagate Technology Llc | Calibration and adjusting target pre-write clearance offset for a heat-assisted magnetic recording device |
KR102660769B1 (ko) * | 2017-11-15 | 2024-04-24 | 카프레스 에이/에스 | 테스트 샘플의 전기적 특성을 테스트하기 위한 프로브 및 연관된 근접성 검출기 |
US11874182B1 (en) | 2022-06-30 | 2024-01-16 | Western Digital Technologies, Inc. | Alternating-bias signal resistance detection for resistive temperature detectors in disk drives |
Family Cites Families (46)
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US5527110A (en) | 1993-04-30 | 1996-06-18 | International Business Machines Corporation | Method and apparatus for detecting asperities on magnetic disks using thermal proximity imaging |
US5991113A (en) | 1997-04-07 | 1999-11-23 | Seagate Technology, Inc. | Slider with temperature responsive transducer positioning |
GB2373364B (en) * | 1999-12-02 | 2004-03-03 | Seagate Technology Llc | Fly height control over patterned media |
JPWO2002037480A1 (ja) * | 2000-10-26 | 2004-03-11 | 株式会社日立製作所 | 磁気ヘッドスライダ及び磁気ディスク装置 |
CN1220182C (zh) * | 2001-01-25 | 2005-09-21 | 西加特技术有限责任公司 | 集成型静电滑动臂飞行高度控制法 |
US6623158B2 (en) | 2001-06-15 | 2003-09-23 | International Business Machines Corporation | Method and apparatus for thermal proximity imaging using pulsed energy |
US7130141B2 (en) * | 2003-03-31 | 2006-10-31 | Hitachi Global Storage Technologies Netherlands B.V. | Assembly for thermal and/or thermally-assisted information processing |
JP2004342151A (ja) * | 2003-05-13 | 2004-12-02 | Hitachi Global Storage Technologies Inc | 磁気ヘッドスライダの浮上制御方法および磁気ディスク装置 |
US7133254B2 (en) | 2003-05-30 | 2006-11-07 | Hitachi Global Storage Technologies Netherlands B.V. | Magnetic recording head with heating device |
US7016139B2 (en) * | 2003-10-22 | 2006-03-21 | Hitachi Global Storage Netherlands B.V. | Magnetic recording disk drive with actively controlled electric potential at the head/disk interface for wear and durability control |
US7310194B1 (en) * | 2004-04-08 | 2007-12-18 | Maxtor Corporation | System for monitoring and dynamically adjusting head-to-disk spacing in a disk drive |
US7495856B2 (en) * | 2004-10-29 | 2009-02-24 | Hitachi Global Storage Technologies Netherlands B.V. | Disk drive slider design for thermal fly-height control and burnishing-on-demand |
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 |
JP4979894B2 (ja) * | 2005-03-25 | 2012-07-18 | 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 |
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 |
JP4439483B2 (ja) * | 2006-03-28 | 2010-03-24 | 東芝ストレージデバイス株式会社 | 記憶装置、制御装置、制御方法及びプログラム |
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 |
US7477470B2 (en) * | 2006-03-29 | 2009-01-13 | Seagate Technology Llc | Controlling head flying height based on head heater resistance |
JP2007310978A (ja) * | 2006-05-19 | 2007-11-29 | Fujitsu Ltd | ヘッド浮上量制御方法及び装置、記憶装置及びプログラム |
JP4908106B2 (ja) * | 2006-08-18 | 2012-04-04 | 東芝ストレージデバイス株式会社 | 記憶装置、制御方法、制御装置及びプログラム |
JP2008097760A (ja) | 2006-10-13 | 2008-04-24 | Fujitsu Ltd | ヘッドスライダ用接触判定装置および接触判定方法並びに記憶媒体駆動装置 |
JP2008186563A (ja) * | 2007-01-31 | 2008-08-14 | Toshiba Corp | ディスク記憶装置及びスペーシング制御方法 |
KR100864401B1 (ko) * | 2007-02-16 | 2008-10-23 | 삼성전자주식회사 | 하드디스크 드라이브, 하드디스크 드라이브의 자기 헤드의부상높이 제어 방법 및 그 방법을 수행하는 컴퓨터프로그램을 기록한 기록매체 |
US7589928B2 (en) * | 2007-03-16 | 2009-09-15 | Seagate Technology Llc | Magnetic recording device including a thermal proximity sensor |
US7808734B2 (en) * | 2007-08-20 | 2010-10-05 | Hitachi Global Storage Technologies Netherlands B.V. | Monitoring a fly height of a magnetic transducer |
JP5036877B2 (ja) * | 2007-12-14 | 2012-09-26 | エルエスアイ コーポレーション | サーボデータを用いたフライングハイト制御のためのシステム及び方法 |
EP2179417A4 (en) * | 2007-12-14 | 2013-12-18 | Lsi Corp | SYSTEM AND METHOD FOR ADJUSTING THE HEIGHT OF SUSTENTATION USING POINT-ADDRESS LOAD DATA |
US7508618B1 (en) * | 2007-12-27 | 2009-03-24 | Hitachi Global Storage Tech Nl | Multivariate head-to-disk contact detection |
JP4940208B2 (ja) * | 2008-09-11 | 2012-05-30 | 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・ドライブ及びクリアランス変化を測定する方法 |
US7787201B2 (en) * | 2008-12-05 | 2010-08-31 | Hitachi Global Storage Technologies Netherlands B.V. | Method and apparatus for controlling fly-height of a perpendicular-magnetic-recording head in a hard disk drive |
US8297113B2 (en) * | 2009-03-16 | 2012-10-30 | Seagate Technology Llc | Media certification device design |
US7800858B1 (en) | 2009-05-04 | 2010-09-21 | Western Digital (Fremont), Llc | Differential head integrated touchdown sensors for hard disk drives |
US7796356B1 (en) * | 2009-05-04 | 2010-09-14 | Western Digital (Fremont), Llc | Head integrated touchdown sensor for hard disk drives |
JP2011018396A (ja) * | 2009-07-08 | 2011-01-27 | Hitachi Global Storage Technologies Netherlands Bv | ディスク・ドライブ及びクリアランス測定方法 |
KR101042191B1 (ko) | 2009-08-17 | 2011-06-20 | 백경물산주식회사 | 차량용 전기전자제품에서의 전원 제어 방법 |
JP5749434B2 (ja) * | 2009-12-10 | 2015-07-15 | エイチジーエスティーネザーランドビーブイ | ディスク・ドライブ |
US8599506B2 (en) | 2009-12-31 | 2013-12-03 | HGST Netherlands B.V. | Integrating control of slider bias potential, touch-down detection and fly-height determination in a HDD |
US8098450B2 (en) | 2009-12-31 | 2012-01-17 | Hitachi Global Storage Technologies, Netherlands B.V. | Fly-height management in a hard disk drive (HDD) |
KR101592195B1 (ko) * | 2010-03-26 | 2016-02-05 | 시게이트 테크놀로지 인터내셔날 | 센서를 이용한 터치-다운 및 헤드/미디어 접촉 검출 방법 및 장치와 이를 적용한 디스크 드라이브 및 저장매체 |
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 |
US8514672B2 (en) * | 2010-08-24 | 2013-08-20 | HGST Netherlands B.V. | Near-field transducer with thermal sensor and system for clocking write data in a patterned-media magnetic recording disk drive |
CN103098133B (zh) * | 2010-11-17 | 2016-08-03 | 希捷科技有限公司 | 具有用于头-介质间距和接触检测的多个电阻温度传感器的头换能器 |
US8792311B2 (en) * | 2011-02-08 | 2014-07-29 | Seagate Technology Llc | Transducer head temperature monitoring |
US8451696B2 (en) * | 2011-10-31 | 2013-05-28 | HGST Netherlands B.V. | Temperature sensor in a thermally assisted magnetic recording head |
JP2013109819A (ja) * | 2011-11-17 | 2013-06-06 | Seagate Technology Llc | ヘッド−媒体の接触を検出するための装置および方法 |
US8848309B2 (en) * | 2012-07-09 | 2014-09-30 | Seagate Technology Llc | Determining head-to-disk contact and/or spacing using frequency domain signature of a temperature sensor |
-
2012
- 2012-07-23 US US13/555,581 patent/US9082440B2/en active Active
-
2013
- 2013-06-26 EP EP13173887.4A patent/EP2690625A3/en not_active Withdrawn
- 2013-07-12 CN CN201310293831.8A patent/CN103578485B/zh active Active
- 2013-07-19 JP JP2013150444A patent/JP5927148B2/ja not_active Expired - Fee Related
- 2013-07-23 KR KR1020130086911A patent/KR101502838B1/ko active IP Right Grant
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