CN101038769A - 用于确定磁记录盘驱动器中头盘接触的系统和方法 - Google Patents

用于确定磁记录盘驱动器中头盘接触的系统和方法 Download PDF

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Publication number
CN101038769A
CN101038769A CN200710085774.9A CN200710085774A CN101038769A CN 101038769 A CN101038769 A CN 101038769A CN 200710085774 A CN200710085774 A CN 200710085774A CN 101038769 A CN101038769 A CN 101038769A
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CN
China
Prior art keywords
hdc
head
signal
actuator
slide block
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
CN200710085774.9A
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English (en)
Chinese (zh)
Inventor
沈勇
张京
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.)
HGST Inc
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Hitachi Global Storage Technologies Inc
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
Application filed by Hitachi Global Storage Technologies Inc filed Critical Hitachi Global Storage Technologies Inc
Publication of CN101038769A publication Critical patent/CN101038769A/zh
Pending legal-status Critical Current

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    • 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
    • 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
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
    • G11B5/39—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects
    • G11B5/3903—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects using magnetic thin film layers or their effects, the films being part of integrated structures
    • G11B5/3906—Details related to the use of magnetic thin film layers or to their effects
    • G11B5/3945—Heads comprising more than one sensitive element
    • G11B5/3948—Heads comprising more than one sensitive element the sensitive elements being active read-out elements
    • 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
    • G11B5/6029—Measurement using values derived from the data signal read from the disk

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
CN200710085774.9A 2006-03-14 2007-03-14 用于确定磁记录盘驱动器中头盘接触的系统和方法 Pending CN101038769A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/376,660 US7292401B2 (en) 2006-03-14 2006-03-14 System and method for determining head-disk contact in a magnetic recording disk drive by magnetoresistive signal amplitude
US11/376,660 2006-03-14

Publications (1)

Publication Number Publication Date
CN101038769A true CN101038769A (zh) 2007-09-19

Family

ID=38517519

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200710085774.9A Pending CN101038769A (zh) 2006-03-14 2007-03-14 用于确定磁记录盘驱动器中头盘接触的系统和方法

Country Status (3)

Country Link
US (1) US7292401B2 (enExample)
JP (1) JP2007250170A (enExample)
CN (1) CN101038769A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102280112A (zh) * 2011-04-13 2011-12-14 华中科技大学 一种用于硬盘驱动器的热飞高控制滑块
CN101436411B (zh) * 2007-11-15 2012-07-04 西部数字（弗里蒙特）公司 磁盘驱动器

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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
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JP7293105B2 (ja) * 2019-12-24 2023-06-19 株式会社東芝 磁気ディスク装置
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101436411B (zh) * 2007-11-15 2012-07-04 西部数字（弗里蒙特）公司 磁盘驱动器
CN102280112A (zh) * 2011-04-13 2011-12-14 华中科技大学 一种用于硬盘驱动器的热飞高控制滑块
CN102280112B (zh) * 2011-04-13 2013-12-18 华中科技大学 一种用于硬盘驱动器的热飞高控制滑块

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US20070217051A1 (en) 2007-09-20
US7292401B2 (en) 2007-11-06

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