TW358936B - Magnetic head mover and optic head mover - Google Patents

Magnetic head mover and optic head mover

Info

Publication number
TW358936B
TW358936B TW086118329A TW86118329A TW358936B TW 358936 B TW358936 B TW 358936B TW 086118329 A TW086118329 A TW 086118329A TW 86118329 A TW86118329 A TW 86118329A TW 358936 B TW358936 B TW 358936B
Authority
TW
Taiwan
Prior art keywords
head mover
magnetic head
mover
optic
coil
Prior art date
Application number
TW086118329A
Other languages
English (en)
Chinese (zh)
Inventor
Shigeyuki Kamata
Original Assignee
Alps Electric Co 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 Alps Electric Co Ltd filed Critical Alps Electric Co Ltd
Application granted granted Critical
Publication of TW358936B publication Critical patent/TW358936B/zh

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0925—Electromechanical actuators for lens positioning
    • G11B7/0933—Details of stationary parts
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0925—Electromechanical actuators for lens positioning
    • G11B7/0935—Details of the moving parts
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1372—Lenses
    • G11B7/1374—Objective lenses
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2508—Magnetic discs
    • G11B2220/2516—Hard disks
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2525—Magneto-optical [MO] discs

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
TW086118329A 1997-01-07 1997-12-05 Magnetic head mover and optic head mover TW358936B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9000855A JPH10198988A (ja) 1997-01-07 1997-01-07 ヘッド移動装置及び光学ヘッド移動装置

Publications (1)

Publication Number Publication Date
TW358936B true TW358936B (en) 1999-05-21

Family

ID=11485276

Family Applications (1)

Application Number Title Priority Date Filing Date
TW086118329A TW358936B (en) 1997-01-07 1997-12-05 Magnetic head mover and optic head mover

Country Status (3)

Country Link
JP (1) JPH10198988A (ja)
KR (1) KR19980070243A (ja)
TW (1) TW358936B (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7352662B2 (en) * 2003-06-13 2008-04-01 Samsung Electronics Co., Ltd. Molded coil device for actuator of disc drive
EP2073201A1 (de) * 2007-12-21 2009-06-24 Deutsche Thomson OHG Schwingarm-Aktuator für eine Abtasteinrichtung

Also Published As

Publication number Publication date
KR19980070243A (ko) 1998-10-26
JPH10198988A (ja) 1998-07-31

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