CA1242272A - System for testing magnetic head/disk interfaces - Google Patents

System for testing magnetic head/disk interfaces

Info

Publication number
CA1242272A
CA1242272A CA000503284A CA503284A CA1242272A CA 1242272 A CA1242272 A CA 1242272A CA 000503284 A CA000503284 A CA 000503284A CA 503284 A CA503284 A CA 503284A CA 1242272 A CA1242272 A CA 1242272A
Authority
CA
Canada
Prior art keywords
disk
slider
measuring
graph
rotational speed
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.)
Expired
Application number
CA000503284A
Other languages
English (en)
French (fr)
Inventor
Upali Bandara
Gerhard Elsner
Volker Heinrich
Holger Hinkel
Artur Lang
Erwin Prinz
Werner Steiner
Werner Zapka
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of CA1242272A publication Critical patent/CA1242272A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/10—Indicating arrangements; Warning arrangements
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/32—Maintaining desired spacing between record carrier and head, e.g. by fluid-dynamic spacing
    • 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
    • G11B5/012—Recording on, or reproducing or erasing from, magnetic disks
    • 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

Landscapes

  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
CA000503284A 1985-05-10 1986-03-04 System for testing magnetic head/disk interfaces Expired CA1242272A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP85105722A EP0203207A1 (en) 1985-05-10 1985-05-10 System for testing magnetic head/disk interfaces
EP85105722.4 1985-05-10

Publications (1)

Publication Number Publication Date
CA1242272A true CA1242272A (en) 1988-09-20

Family

ID=8193493

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000503284A Expired CA1242272A (en) 1985-05-10 1986-03-04 System for testing magnetic head/disk interfaces

Country Status (4)

Country Link
US (1) US4724392A (enExample)
EP (1) EP0203207A1 (enExample)
JP (1) JPS62161040A (enExample)
CA (1) CA1242272A (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0697224B2 (ja) * 1988-07-13 1994-11-30 鐘紡株式会社 摩擦帯電圧測定装置
US5038625A (en) * 1989-01-31 1991-08-13 Seagate Technology, Inc. Tribological head-disk interface testing system
US5305165A (en) * 1991-12-24 1994-04-19 International Business Machines Corporation Tribo-attractive contact data storage system
US5497085A (en) * 1994-12-19 1996-03-05 Conner Peripherals, Inc. Method for determining an outer diameter rolloff in a process for making magnetic disks
US5545989A (en) * 1995-01-19 1996-08-13 Conner Peripherals, Inc. Non-destructive in-situ landing velocity determination of magnetic rigid disk drives using back EMF from the spindle motor during shutdown
US6032262A (en) * 1995-04-18 2000-02-29 Emc Corporation Disk drive reliability determination system and method
US6483657B1 (en) 1998-09-14 2002-11-19 Seagate Technology Llc Head flight characterization using thermal asperity detection
US6466392B1 (en) 1998-09-14 2002-10-15 Seagate Technology Llc Head flight characterization using a non-contact voltmeter
US7580759B2 (en) * 2007-09-05 2009-08-25 Hitachi Global Storage Technologies Netherlands B.V. Systems and methods for in-situ recording head burnishing
US7952829B2 (en) * 2008-09-24 2011-05-31 Seagate Technology Llc Detecting contact between a slider and a data storage medium without a separate contact-detection voltage source
CN110006818A (zh) * 2019-02-20 2019-07-12 常州大学 一种销-盘式腐蚀磨损试验装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES368096A1 (es) * 1968-06-17 1972-04-01 Loepfe Ag Geb Dispositivo para la determinacion de un movimiento relativo unido con una friccion de resbalamiento entre dos cuerpos.
US3601694A (en) * 1968-12-09 1971-08-24 Eastman Kodak Co Apparatus for electrically checking the continuity of a coating
GB1430390A (en) * 1972-06-28 1976-03-31 Bicc Ltd Detection of breaks in flexible elongate members liquid crystal display devices
US3855625A (en) * 1973-12-19 1974-12-17 Ibm Magnetic head slider assembly
JPS5199582A (en) * 1975-02-28 1976-09-02 Hitachi Ltd Shogeki mamoshikenki
JPS6036012B2 (ja) * 1978-06-23 1985-08-17 富士通株式会社 磁気デイスク磁性面の強度試験方法
US4479090A (en) * 1982-09-30 1984-10-23 International Business Machines Corporation Circuitry for measuring magnetic head flying characteristics

Also Published As

Publication number Publication date
JPS62161040A (ja) 1987-07-17
US4724392A (en) 1988-02-09
EP0203207A1 (en) 1986-12-03
JPH0457215B2 (enExample) 1992-09-10

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