JP2013109819A - ヘッド−媒体の接触を検出するための装置および方法 - Google Patents

ヘッド−媒体の接触を検出するための装置および方法 Download PDF

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Publication number
JP2013109819A
JP2013109819A JP2012249055A JP2012249055A JP2013109819A JP 2013109819 A JP2013109819 A JP 2013109819A JP 2012249055 A JP2012249055 A JP 2012249055A JP 2012249055 A JP2012249055 A JP 2012249055A JP 2013109819 A JP2013109819 A JP 2013109819A
Authority
JP
Japan
Prior art keywords
head
temperature
medium
transducer
contact
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
JP2012249055A
Other languages
English (en)
Japanese (ja)
Other versions
JP2013109819A5 (enExample
Inventor
J Kunkel Gary
ゲアリー・ジェイ・クンケル
Huazhou Lou
フアチョウ・ルー
Machen Declan
デクラン・マッケン
W Stoebe Timothy
ティモシー・ダブリュ・ストーベ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seagate Technology LLC
Original Assignee
Seagate Technology LLC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US13/299,094 external-priority patent/US8737009B2/en
Application filed by Seagate Technology LLC filed Critical Seagate Technology LLC
Publication of JP2013109819A publication Critical patent/JP2013109819A/ja
Publication of JP2013109819A5 publication Critical patent/JP2013109819A5/ja
Pending legal-status Critical Current

Links

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
    • G11B5/58—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
    • G11B5/6076—Detecting head-disk contact
    • 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

  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
JP2012249055A 2011-11-17 2012-11-13 ヘッド−媒体の接触を検出するための装置および方法 Pending JP2013109819A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/299,094 2011-11-17
US13/299,094 US8737009B2 (en) 2010-11-17 2011-11-17 Resistance temperature sensors for head-media and asperity detection

Publications (2)

Publication Number Publication Date
JP2013109819A true JP2013109819A (ja) 2013-06-06
JP2013109819A5 JP2013109819A5 (enExample) 2014-03-13

Family

ID=47325852

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2012249055A Pending JP2013109819A (ja) 2011-11-17 2012-11-13 ヘッド−媒体の接触を検出するための装置および方法

Country Status (2)

Country Link
EP (1) EP2595154A1 (enExample)
JP (1) JP2013109819A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014022036A (ja) * 2012-07-23 2014-02-03 Seagate Technology Llc 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
JP2015207335A (ja) * 2014-04-21 2015-11-19 シーゲイト テクノロジー エルエルシー 記録媒体への電磁吸引力を有する記録ヘッドを含む装置、記録ヘッドと記録媒体との間で電磁吸引力を振動させる回路を含む装置、および振動する電磁吸引力によりヘッド−媒体接触を検出する方法

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8732555B2 (en) * 2012-10-19 2014-05-20 Seagate Technology Llc Addressing variations in bit error rates amongst data storage segments
US9195533B1 (en) 2012-10-19 2015-11-24 Seagate Technology Llc Addressing variations in bit error rates amongst data storage segments
US8964324B1 (en) 2014-05-15 2015-02-24 HGST Netherlands B.V. Magnetic head having improved clearance control
US9053725B1 (en) 2014-08-25 2015-06-09 HGST Netherlands B.V. High-speed recording disk defect detection

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013543204A (ja) * 2010-11-17 2013-11-28 シーゲイト テクノロジー エルエルシー ヘッドと媒体との間隔および接触を検知するための複数の抵抗温度センサを有するヘッドトランスデューサ

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7800858B1 (en) * 2009-05-04 2010-09-21 Western Digital (Fremont), Llc Differential head integrated touchdown sensors for hard disk drives
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013543204A (ja) * 2010-11-17 2013-11-28 シーゲイト テクノロジー エルエルシー ヘッドと媒体との間隔および接触を検知するための複数の抵抗温度センサを有するヘッドトランスデューサ

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014022036A (ja) * 2012-07-23 2014-02-03 Seagate Technology Llc 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
JP2015207335A (ja) * 2014-04-21 2015-11-19 シーゲイト テクノロジー エルエルシー 記録媒体への電磁吸引力を有する記録ヘッドを含む装置、記録ヘッドと記録媒体との間で電磁吸引力を振動させる回路を含む装置、および振動する電磁吸引力によりヘッド−媒体接触を検出する方法

Also Published As

Publication number Publication date
EP2595154A1 (en) 2013-05-22

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