AU3883699A - Disk head tester facility with non-repeatable runout reduction - Google Patents

Disk head tester facility with non-repeatable runout reduction

Info

Publication number
AU3883699A
AU3883699A AU38836/99A AU3883699A AU3883699A AU 3883699 A AU3883699 A AU 3883699A AU 38836/99 A AU38836/99 A AU 38836/99A AU 3883699 A AU3883699 A AU 3883699A AU 3883699 A AU3883699 A AU 3883699A
Authority
AU
Australia
Prior art keywords
disk head
repeatable runout
head tester
reduction
facility
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.)
Abandoned
Application number
AU38836/99A
Inventor
Alfred Cheng
Oleg A. Gergel
Virginia Kwok
Mostafa Mahmoudian
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.)
KMY INSTRUMENTS LLC
Original Assignee
KMY INSTR 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
Application filed by KMY INSTR LLC filed Critical KMY INSTR LLC
Publication of AU3883699A publication Critical patent/AU3883699A/en
Abandoned 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
    • G11B5/596—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 for track following on disks
    • G11B5/59627—Aligning for runout, eccentricity or offset compensation
    • 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
    • G11B5/455—Arrangements for functional testing of heads; Measuring arrangements for heads
AU38836/99A 1998-05-11 1999-05-05 Disk head tester facility with non-repeatable runout reduction Abandoned AU3883699A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US7562098A 1998-05-11 1998-05-11
US09075620 1998-05-11
PCT/US1999/009855 WO1999058995A1 (en) 1998-05-11 1999-05-05 Disk head tester facility with non-repeatable runout reduction

Publications (1)

Publication Number Publication Date
AU3883699A true AU3883699A (en) 1999-11-29

Family

ID=22126953

Family Applications (1)

Application Number Title Priority Date Filing Date
AU38836/99A Abandoned AU3883699A (en) 1998-05-11 1999-05-05 Disk head tester facility with non-repeatable runout reduction

Country Status (2)

Country Link
AU (1) AU3883699A (en)
WO (1) WO1999058995A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030081531A (en) * 2001-03-21 2003-10-17 시게이트 테크놀로지 엘엘씨 Disc separator plate with air dam
US7131346B1 (en) * 2004-10-15 2006-11-07 Western Digital (Fremont), Inc. Spin stand testing system with fine positioner for head stack assembly

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4315288A (en) * 1980-02-29 1982-02-09 Digital Equipment Corporation Disk housing for disk mass storage unit including integral means for reducing temperature differentials among disks
JPS5870459A (en) * 1981-10-20 1983-04-26 Hitachi Ltd Magnetic disk device
JPS62149088A (en) * 1985-12-23 1987-07-03 Hitachi Ltd Magnetic head assembly
US4821130A (en) * 1987-09-04 1989-04-11 Digital Equipment Corporation Disk extender baffles
JPH02126463A (en) * 1988-11-04 1990-05-15 Toshiba Corp Magnetic disk device
KR0153881B1 (en) * 1995-07-08 1998-12-15 김광호 Actuator and method of fabrication thereof
US5808435A (en) * 1996-05-28 1998-09-15 Kmy Instruments Micropositioning device for disk head testing system

Also Published As

Publication number Publication date
WO1999058995A1 (en) 1999-11-18

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase