JP2010027156A5 - - Google Patents

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Publication number
JP2010027156A5
JP2010027156A5 JP2008188245A JP2008188245A JP2010027156A5 JP 2010027156 A5 JP2010027156 A5 JP 2010027156A5 JP 2008188245 A JP2008188245 A JP 2008188245A JP 2008188245 A JP2008188245 A JP 2008188245A JP 2010027156 A5 JP2010027156 A5 JP 2010027156A5
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JP
Japan
Prior art keywords
head
magnetic disk
vibration
stack assembly
detection
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.)
Pending
Application number
JP2008188245A
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English (en)
Japanese (ja)
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JP2010027156A (ja
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Publication date
Application filed filed Critical
Priority to JP2008188245A priority Critical patent/JP2010027156A/ja
Priority claimed from JP2008188245A external-priority patent/JP2010027156A/ja
Priority to US12/476,828 priority patent/US7903365B2/en
Publication of JP2010027156A publication Critical patent/JP2010027156A/ja
Publication of JP2010027156A5 publication Critical patent/JP2010027156A5/ja
Pending legal-status Critical Current

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JP2008188245A 2008-07-22 2008-07-22 磁気記録装置及び接触検出方法 Pending JP2010027156A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2008188245A JP2010027156A (ja) 2008-07-22 2008-07-22 磁気記録装置及び接触検出方法
US12/476,828 US7903365B2 (en) 2008-07-22 2009-06-02 Magnetic storage device and contact detection method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008188245A JP2010027156A (ja) 2008-07-22 2008-07-22 磁気記録装置及び接触検出方法

Publications (2)

Publication Number Publication Date
JP2010027156A JP2010027156A (ja) 2010-02-04
JP2010027156A5 true JP2010027156A5 (enExample) 2010-12-09

Family

ID=41568429

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008188245A Pending JP2010027156A (ja) 2008-07-22 2008-07-22 磁気記録装置及び接触検出方法

Country Status (2)

Country Link
US (1) US7903365B2 (enExample)
JP (1) JP2010027156A (enExample)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8523312B2 (en) 2010-11-08 2013-09-03 Seagate Technology Llc Detection system using heating element temperature oscillations
JP5807069B2 (ja) 2010-11-17 2015-11-10 シーゲイト テクノロジー エルエルシー 抵抗センサの多段温度係数を使用した凹凸検知およびヘッドと媒体との接触検知
US9047902B1 (en) 2011-06-15 2015-06-02 Western Digital (Fremont), Llc Touchdown sensor having a more stable crystal structure for use in hard disk drives
US8599512B2 (en) 2011-09-16 2013-12-03 Western Digital Technologies, Inc. Current sensor comprising differential amplifier biased by leakage current
US9251829B2 (en) 2011-10-17 2016-02-02 Sae Magnetics (Hk) Ltd. Head DFH protrusion shape calibration by HDI sensor
US9123386B2 (en) * 2011-11-03 2015-09-01 Agency For Science, Technology And Research Data storage system and a method for measuring a change in a spacing between a head and a storage medium of a data storage system
JP5882698B2 (ja) * 2011-12-01 2016-03-09 株式会社日立製作所 情報記憶装置
US8837081B1 (en) 2011-12-06 2014-09-16 Western Digital (Fremont), Llc Laminated touchdown sensor for hard disk drives
US8681442B2 (en) 2012-05-11 2014-03-25 Western Digital Technologies, Inc. Disk drive comprising extended range head proximity sensor
JP6089740B2 (ja) * 2013-02-01 2017-03-08 富士電機株式会社 磁気記録媒体の記録再生方法
US9042208B1 (en) 2013-03-11 2015-05-26 Western Digital Technologies, Inc. Disk drive measuring fly height by applying a bias voltage to an electrically insulated write component of a head
US9123371B2 (en) 2013-10-10 2015-09-01 Seagate Technology Llc Methods and devices for head-media contact detection
JP6158050B2 (ja) * 2013-11-28 2017-07-05 株式会社東芝 電子機器、方法及びプログラム
JP7179793B2 (ja) * 2020-02-18 2022-11-29 株式会社東芝 ディスク装置
JP2022118967A (ja) 2021-02-03 2022-08-16 株式会社東芝 磁気ディスク装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61233411A (ja) * 1985-04-08 1986-10-17 Fujitsu Ltd 磁気デイスク装置
JP2770881B2 (ja) 1989-07-24 1998-07-02 キヤノン株式会社 磁気記録装置
JP3158487B2 (ja) * 1991-05-23 2001-04-23 株式会社日立製作所 ヘッド支持機構
JPH0520635A (ja) 1991-07-11 1993-01-29 Fujitsu Ltd 磁気ヘツドおよび磁気デイスク装置
US5594595A (en) * 1995-01-19 1997-01-14 Conner Peripherals, Inc. FM detection of slider-disk interface
JPH0916953A (ja) 1995-06-28 1997-01-17 Nec Corp グライドハイト測定方法及び装置
JP2885178B2 (ja) 1996-04-16 1999-04-19 日本電気株式会社 磁気ディスク装置の信頼性評価法及びそれを利用した磁気ディスク装置
JP2002190173A (ja) * 2000-12-21 2002-07-05 Toshiba Corp ディスク記憶装置及びヘッド衝突回避方法
JP2002197646A (ja) * 2000-12-27 2002-07-12 Fujitsu Ltd ディスク表面検査装置
JP2005004909A (ja) * 2003-06-13 2005-01-06 Hitachi Global Storage Technologies Inc 磁気ディスク装置および磁気ヘッドスライダの浮上制御方法
US7450333B2 (en) * 2006-12-29 2008-11-11 Hitachi Global Storage Technologies Netherlands B.V. Electrostatic fly-height control
US7830634B2 (en) * 2008-12-23 2010-11-09 Hitachi Global Storage Technologies Netherlands, B.V. Head-disk contact detection and work function difference determination

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