SG42874A1 - Fly height servo control of read/write head suspension - Google Patents

Fly height servo control of read/write head suspension

Info

Publication number
SG42874A1
SG42874A1 SG1996000357A SG1996000357A SG42874A1 SG 42874 A1 SG42874 A1 SG 42874A1 SG 1996000357 A SG1996000357 A SG 1996000357A SG 1996000357 A SG1996000357 A SG 1996000357A SG 42874 A1 SG42874 A1 SG 42874A1
Authority
SG
Singapore
Prior art keywords
fly height
head
optimum
read
disk surface
Prior art date
Application number
SG1996000357A
Other languages
English (en)
Inventor
Daniel Lee Good
Jeffrey Eric Mason
Hal Hjalmar Otteson
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of SG42874A1 publication Critical patent/SG42874A1/en

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/04—Arrangements for preventing, inhibiting, or warning against double recording on the same blank or against other recording or reproducing malfunctions
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/16—Supporting the heads; Supporting the sockets for plug-in heads
    • G11B21/20—Supporting the heads; Supporting the sockets for plug-in heads while the head is in operative position but stationary or permitting minor movements to follow irregularities in surface of record carrier
    • G11B21/21—Supporting the heads; Supporting the sockets for plug-in heads while the head is in operative position but stationary or permitting minor movements to follow irregularities in surface of record carrier with provision for maintaining desired spacing of head from record carrier, e.g. fluid-dynamic spacing, slider
    • 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
    • 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
    • G11B5/54—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 into or out of its operative position or across tracks
    • 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
    • G11B5/6058—Control of flying height using piezoelectric means
    • 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
    • G11B5/4806—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 specially adapted for disk drive assemblies, e.g. assembly prior to operation, hard or flexible disk drives
    • G11B5/4873—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 specially adapted for disk drive assemblies, e.g. assembly prior to operation, hard or flexible disk drives the arm comprising piezoelectric or other actuators for adjustment of the arm

Landscapes

  • Moving Of The Head To Find And Align With The Track (AREA)
  • Supporting Of Heads In Record-Carrier Devices (AREA)
  • Microwave Tubes (AREA)
  • Control Of Position Or Direction (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
SG1996000357A 1992-12-31 1993-11-19 Fly height servo control of read/write head suspension SG42874A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/999,036 US5377058A (en) 1992-12-31 1992-12-31 Fly height servo control of read/write head suspension

Publications (1)

Publication Number Publication Date
SG42874A1 true SG42874A1 (en) 1997-10-17

Family

ID=25545810

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1996000357A SG42874A1 (en) 1992-12-31 1993-11-19 Fly height servo control of read/write head suspension

Country Status (9)

Country Link
US (1) US5377058A (de)
EP (1) EP0605343B1 (de)
JP (1) JPH06236641A (de)
KR (1) KR0130739B1 (de)
CN (1) CN1058099C (de)
AT (1) ATE181615T1 (de)
DE (1) DE69325435T2 (de)
SG (1) SG42874A1 (de)
TW (1) TW247362B (de)

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US5377058A (en) 1994-12-27
CN1058099C (zh) 2000-11-01
KR940015986A (ko) 1994-07-22
CN1090078A (zh) 1994-07-27
DE69325435T2 (de) 2000-01-20
ATE181615T1 (de) 1999-07-15
JPH06236641A (ja) 1994-08-23
TW247362B (de) 1995-05-11
DE69325435D1 (de) 1999-07-29
KR0130739B1 (ko) 1998-04-17
EP0605343B1 (de) 1999-06-23

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