GB2342494B - Servo track writers - Google Patents

Servo track writers

Info

Publication number
GB2342494B
GB2342494B GB0000745A GB0000745A GB2342494B GB 2342494 B GB2342494 B GB 2342494B GB 0000745 A GB0000745 A GB 0000745A GB 0000745 A GB0000745 A GB 0000745A GB 2342494 B GB2342494 B GB 2342494B
Authority
GB
United Kingdom
Prior art keywords
servo track
track writers
writers
servo
track
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 - Fee Related
Application number
GB0000745A
Other versions
GB2342494A (en
GB0000745D0 (en
Inventor
Anthony William Leonard
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 Systems UK Ltd
Original Assignee
Xyratex Technology Ltd
Havant International Ltd
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 Xyratex Technology Ltd, Havant International Ltd filed Critical Xyratex Technology Ltd
Publication of GB0000745D0 publication Critical patent/GB0000745D0/en
Publication of GB2342494A publication Critical patent/GB2342494A/en
Application granted granted Critical
Publication of GB2342494B publication Critical patent/GB2342494B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G11B33/12—Disposition of constructional parts in the apparatus, e.g. of power supply, of modules
    • G11B33/125—Disposition of constructional parts in the apparatus, e.g. of power supply, of modules the apparatus comprising a plurality of recording/reproducing devices, e.g. modular arrangements, arrays of disc drives
    • 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
    • G11B21/02—Driving or moving of heads
    • G11B21/10—Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following
    • 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
    • G11B33/02—Cabinets; Cases; Stands; Disposition of apparatus therein or thereon
    • G11B33/08—Insulation or absorption of undesired vibrations or sounds
    • 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
    • G11B33/14—Reducing influence of physical parameters, e.g. temperature change, moisture, dust
    • G11B33/1406—Reducing the influence of the temperature
    • G11B33/1413—Reducing the influence of the temperature by fluid cooling
    • G11B33/142—Reducing the influence of the temperature by fluid cooling by air cooling
    • 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
    • G11B5/55—Track change, selection or acquisition by displacement of the head
    • G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
    • G11B5/5526—Control therefor; circuits, track configurations or relative disposition of servo-information transducers and servo-information tracks for control thereof
    • 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
GB0000745A 1997-07-31 1998-07-30 Servo track writers Expired - Fee Related GB2342494B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9716267.1A GB9716267D0 (en) 1997-07-31 1997-07-31 Servo track writers
PCT/GB1998/002286 WO1999006999A1 (en) 1997-07-31 1998-07-30 Servo track writers

Publications (3)

Publication Number Publication Date
GB0000745D0 GB0000745D0 (en) 2000-03-08
GB2342494A GB2342494A (en) 2000-04-12
GB2342494B true GB2342494B (en) 2002-01-16

Family

ID=10816809

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9716267.1A Pending GB9716267D0 (en) 1997-07-31 1997-07-31 Servo track writers
GB0000745A Expired - Fee Related GB2342494B (en) 1997-07-31 1998-07-30 Servo track writers

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9716267.1A Pending GB9716267D0 (en) 1997-07-31 1997-07-31 Servo track writers

Country Status (4)

Country Link
JP (1) JP2001512276A (en)
GB (2) GB9716267D0 (en)
MY (1) MY120752A (en)
WO (1) WO1999006999A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1665270A1 (en) * 2003-09-08 2006-06-07 Xyratex Technology Limited Mounting for disk drive unit, retaining device and method of loading a disk drive unit

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05128765A (en) * 1991-10-31 1993-05-25 Nec Corp Servo track writer
US5469037A (en) * 1994-06-02 1995-11-21 Encore Computer Corporation Linear accelerated device
US5525106A (en) * 1993-04-12 1996-06-11 Daifuku Co., Ltd. Load storing equipment with cleaning device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50128765A (en) * 1974-03-30 1975-10-11

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05128765A (en) * 1991-10-31 1993-05-25 Nec Corp Servo track writer
US5525106A (en) * 1993-04-12 1996-06-11 Daifuku Co., Ltd. Load storing equipment with cleaning device
US5469037A (en) * 1994-06-02 1995-11-21 Encore Computer Corporation Linear accelerated device

Also Published As

Publication number Publication date
GB2342494A (en) 2000-04-12
JP2001512276A (en) 2001-08-21
WO1999006999A1 (en) 1999-02-11
GB9716267D0 (en) 1997-10-08
GB0000745D0 (en) 2000-03-08
MY120752A (en) 2005-11-30

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20040730