GB2169455B - Magnetic disc drive and voice coil motor therefor - Google Patents

Magnetic disc drive and voice coil motor therefor

Info

Publication number
GB2169455B
GB2169455B GB08600218A GB8600218A GB2169455B GB 2169455 B GB2169455 B GB 2169455B GB 08600218 A GB08600218 A GB 08600218A GB 8600218 A GB8600218 A GB 8600218A GB 2169455 B GB2169455 B GB 2169455B
Authority
GB
United Kingdom
Prior art keywords
voice coil
disc drive
coil motor
magnetic disc
motor therefor
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
GB08600218A
Other versions
GB2169455A (en
GB8600218D0 (en
Inventor
John Lynn Harting
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.)
Priam Corp
Original Assignee
Priam 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 Priam Corp filed Critical Priam Corp
Publication of GB8600218D0 publication Critical patent/GB8600218D0/en
Publication of GB2169455A publication Critical patent/GB2169455A/en
Application granted granted Critical
Publication of GB2169455B publication Critical patent/GB2169455B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
    • H02K41/02—Linear motors; Sectional motors
    • H02K41/035—DC motors; Unipolar motors
    • H02K41/0352—Unipolar motors
    • H02K41/0354—Lorentz force motors, e.g. voice coil motors
    • H02K41/0356—Lorentz force motors, e.g. voice coil motors moving along a straight path
    • 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
    • G11B5/4813—Mounting or aligning of arm assemblies, e.g. actuator arm supported by bearings, multiple arm assemblies, arm stacks or multiple heads on single arm
    • 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
GB08600218A 1985-01-07 1986-01-07 Magnetic disc drive and voice coil motor therefor Expired GB2169455B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US68947385A 1985-01-07 1985-01-07

Publications (3)

Publication Number Publication Date
GB8600218D0 GB8600218D0 (en) 1986-02-12
GB2169455A GB2169455A (en) 1986-07-09
GB2169455B true GB2169455B (en) 1988-09-07

Family

ID=24768630

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08600218A Expired GB2169455B (en) 1985-01-07 1986-01-07 Magnetic disc drive and voice coil motor therefor

Country Status (3)

Country Link
JP (1) JPS61203861A (en)
DE (1) DE3600182A1 (en)
GB (1) GB2169455B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR910007482B1 (en) * 1988-03-18 1991-09-26 가부시끼가이샤 히다찌세이사꾸쇼 Linier access apparatus and magnetic disk device
DE3934868A1 (en) * 1988-10-19 1990-04-26 Hitachi Ltd Magnetic disc drive unit - has multiple heads on arms moved radially across disc by moving coil actuator
JP3248689B2 (en) * 1999-08-11 2002-01-21 インターナショナル・ビジネス・マシーンズ・コーポレーション Stator magnet, actuator and disk device
DE102008038728A1 (en) * 2008-08-12 2010-02-18 J.G. WEISSER SöHNE GMBH & CO. KG Production machine for non-circular workpieces

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3838455A (en) * 1973-03-05 1974-09-24 Ibm Head carriage assembly for magnetic disk storage apparatus
FR2278112A1 (en) * 1974-07-12 1976-02-06 Thomson Brandt ELECTRICALLY CONTROLLED OPTICAL DEFLECTION SYSTEM
US4247794A (en) * 1978-03-27 1981-01-27 International Business Machines Corporation Linear actuator
US4287445A (en) * 1980-04-21 1981-09-01 Sperry Corporation High performance disk drive actuator
US4414594A (en) * 1982-02-26 1983-11-08 Atasi Corporation Linear actuator for a memory storage apparatus
EP0123674A1 (en) * 1982-05-17 1984-11-07 Disctron, Inc. Linear head actuator
US4462054A (en) * 1982-05-19 1984-07-24 Sperry Corporation Disc drive electromagnetic actuator with enhanced flux density
EP0098010A1 (en) * 1982-06-28 1984-01-11 Atasi Corporation Unitary assembly, including spindle mount, transducer actuator support structure and magnetic shielding, for disc drive
JPS595445A (en) * 1982-07-01 1984-01-12 Mitsubishi Electric Corp Carriage assembly body
GB2129186A (en) * 1982-10-29 1984-05-10 Atasi Corp Disk drive actuator structure
JPS59132464A (en) * 1983-01-19 1984-07-30 Hitachi Ltd Positioning mechanism of magnetic head
US4603270A (en) * 1984-05-25 1986-07-29 Ampex Corporation Particle free linear motor

Also Published As

Publication number Publication date
DE3600182A1 (en) 1986-07-10
GB2169455A (en) 1986-07-09
GB8600218D0 (en) 1986-02-12
JPS61203861A (en) 1986-09-09

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee