JPH02263369A - Data head arm and head positioning device for magnetic disk device - Google Patents

Data head arm and head positioning device for magnetic disk device

Info

Publication number
JPH02263369A
JPH02263369A JP8138489A JP8138489A JPH02263369A JP H02263369 A JPH02263369 A JP H02263369A JP 8138489 A JP8138489 A JP 8138489A JP 8138489 A JP8138489 A JP 8138489A JP H02263369 A JPH02263369 A JP H02263369A
Authority
JP
Japan
Prior art keywords
data
head
generating elements
minute displacement
displacement generating
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.)
Pending
Application number
JP8138489A
Inventor
Marutomo Gotou
Katsuyuki Tanaka
Fukuo Yoneda
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP8138489A priority Critical patent/JPH02263369A/en
Publication of JPH02263369A publication Critical patent/JPH02263369A/en
Application status is Pending legal-status Critical

Links

Abstract

PURPOSE: To shorten the access time to improve the throughput by building minute displacement generating elements, which mechanically deform data head arms independently of one another, in individual data head arms supporting data heads.
CONSTITUTION: A head actuator consists of a servo arm 2 provided with one servo head 1 only for seek and tracking, a carriage 5 related to the actuator by which plural data heads 3a and 3b and data arms 4a and 4b provided with piezoelectric elements 24a and 24b related to minute displacement generating elements are moved as one body, and a VCM 6 which can move them. At intervals of a certain time or at the time of the occurrence of off-track of data heads 3a and 3b, data head arms 4a and 4b in which minute displacement generating elements are built are mechanically deformed independently of each other to correct off-track of the oscillation component of low frequency including heat. Thus, the access time is shortened to improve the throughput.
COPYRIGHT: (C)1990,JPO&Japio
JP8138489A 1989-04-03 1989-04-03 Data head arm and head positioning device for magnetic disk device Pending JPH02263369A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8138489A JPH02263369A (en) 1989-04-03 1989-04-03 Data head arm and head positioning device for magnetic disk device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8138489A JPH02263369A (en) 1989-04-03 1989-04-03 Data head arm and head positioning device for magnetic disk device

Publications (1)

Publication Number Publication Date
JPH02263369A true JPH02263369A (en) 1990-10-26

Family

ID=13744808

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8138489A Pending JPH02263369A (en) 1989-04-03 1989-04-03 Data head arm and head positioning device for magnetic disk device

Country Status (1)

Country Link
JP (1) JPH02263369A (en)

Cited By (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0684269A (en) * 1992-06-04 1994-03-25 Fujitsu Ltd Magnetic storage device
WO1998020486A1 (en) * 1996-11-01 1998-05-14 Seagate Technology, Inc. Actuator arm integrated piezoelectric microactuator
US5793560A (en) * 1991-09-18 1998-08-11 Fujitsu Limited Storage device having vibratory head
US6043957A (en) * 1997-03-21 2000-03-28 Nec Corporation Head positioning mechanism for magnetic disk device provided with micro tracking actuator using magnetic force and drive control method therefor
US6061208A (en) * 1997-03-25 2000-05-09 Nec Corporation Magnetic disc device with stopper on carriage to limit rotational movement of support spring
US6069771A (en) * 1996-11-04 2000-05-30 Seagate Technology, Inc. Gimbal micropositioning device
US6108175A (en) * 1996-12-16 2000-08-22 Seagate Technology, Inc. Bimorph piezoelectric microactuator head and flexure assembly
US6157522A (en) * 1998-04-07 2000-12-05 Seagate Technology Llc Suspension-level microactuator
US6215629B1 (en) 1998-04-16 2001-04-10 Seagate Technology Llc Unitary synchronous flexure microactuator
US6222706B1 (en) 1997-03-31 2001-04-24 Seagate Technology Llc Flexure microactuator
US6233124B1 (en) 1998-11-18 2001-05-15 Seagate Technology Llc Piezoelectric microactuator suspension assembly with improved stroke length
US6268984B1 (en) 1999-01-22 2001-07-31 Seagate Technology Llc Magnet configuration for head-level microactuator
US6289564B1 (en) 1997-08-15 2001-09-18 Seagate Technology Llc Method of making a piezoelectric microactuator for precise head positioning
US6297936B1 (en) 1998-11-09 2001-10-02 Seagate Technology Llc Integral load beam push-pull microactuator
US6320730B1 (en) 1998-09-26 2001-11-20 Seagate Technology Llc Low-stress disc drive microactuator cradle
US6351354B1 (en) 1999-05-07 2002-02-26 Seagate Technology Llc Head to flexure interconnection for disc drive microactuator
US6359758B1 (en) 1998-06-11 2002-03-19 Seagate Technology, Llc Rigid body microactuator having elastic joint attachment
US6414822B1 (en) 1998-06-11 2002-07-02 Seagate Technology Llc Magnetic microactuator
US6414823B1 (en) 1999-06-09 2002-07-02 Seagate Technology Llc Coil-structures for magnetic microactuator
US6507463B1 (en) 1999-06-11 2003-01-14 Seagate Technology, Inc. Micro disc drive employing arm level microactuator
US6574077B1 (en) 1999-12-02 2003-06-03 Seagate Technology Llc Microactuator assembly having improved standoff configuration
US6614628B2 (en) 2001-01-19 2003-09-02 Seagate Technology Llc Moving coil micro actuator with reduced rotor mass
US6683757B1 (en) 2000-04-05 2004-01-27 Seagate Technology Llc Slider-level microactuator for precise head positioning
US6683758B2 (en) 2000-06-01 2004-01-27 Seagate Technology Llc Fabrication method for integrated microactuator coils
US6697232B1 (en) 2000-03-24 2004-02-24 Seagate Technology Llc Bonded transducer-level electrostatic microactuator for disc drive system
US6765766B2 (en) 2000-07-11 2004-07-20 Seagate Technology Llc Bonding tub improved electromagnetic microactuator in disc drives
US6778350B2 (en) 2000-10-06 2004-08-17 Seagate Technology Llc Feed forward control of voice coil motor induced microactuator disturbance
US6785086B1 (en) 2000-04-05 2004-08-31 Seagate Technology Llc Transducer-level microactuator with dual-axis control
US6798609B1 (en) 1999-07-28 2004-09-28 Seagate Technology, Inc. Magnetic microactuator with capacitive position sensor
US6831539B1 (en) 2003-08-28 2004-12-14 Seagate Technology Llc Magnetic microactuator for disc with integrated head connections and limiters drives
US6851120B2 (en) 2000-07-13 2005-02-01 Seagate Technology Llc Micro-actuator structure for improved stability
US6985327B2 (en) 1999-09-23 2006-01-10 Seagate Technology Llc Method and control scheme for compensating the coarse actuators undesired transients in dual stage control systems
JP2007299455A (en) * 2006-04-28 2007-11-15 Konica Minolta Opto Inc Head positioning mechanism
JP2010146631A (en) * 2008-12-18 2010-07-01 Hitachi Global Storage Technologies Netherlands Bv Head gimbal assembly and disk drive
JP2010218626A (en) * 2009-03-17 2010-09-30 Hitachi Global Storage Technologies Netherlands Bv Head gimbal assembly and disk drive
US8542458B2 (en) 2010-12-24 2013-09-24 Kabushiki Kaisha Toshiba Magnetic disk drive and method for controlling microactuator in magnetic disk drive

Cited By (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5793560A (en) * 1991-09-18 1998-08-11 Fujitsu Limited Storage device having vibratory head
JPH0684269A (en) * 1992-06-04 1994-03-25 Fujitsu Ltd Magnetic storage device
WO1998020486A1 (en) * 1996-11-01 1998-05-14 Seagate Technology, Inc. Actuator arm integrated piezoelectric microactuator
US6052251A (en) * 1996-11-01 2000-04-18 Seagate Technology, Inc. Actuator arm integrated piezoelectric microactuator
US6298545B1 (en) 1996-11-01 2001-10-09 Seagate Technology Llc Method of making an actuator arm integrated piezoelectric microactuator
US6069771A (en) * 1996-11-04 2000-05-30 Seagate Technology, Inc. Gimbal micropositioning device
US6108175A (en) * 1996-12-16 2000-08-22 Seagate Technology, Inc. Bimorph piezoelectric microactuator head and flexure assembly
US6043957A (en) * 1997-03-21 2000-03-28 Nec Corporation Head positioning mechanism for magnetic disk device provided with micro tracking actuator using magnetic force and drive control method therefor
US6342987B1 (en) 1997-03-21 2002-01-29 Nec Corporation Head positioning mechanism for magnetic disk device provided with micro tracking actuator using magnetic force drive control method therefor
US6061208A (en) * 1997-03-25 2000-05-09 Nec Corporation Magnetic disc device with stopper on carriage to limit rotational movement of support spring
US6222706B1 (en) 1997-03-31 2001-04-24 Seagate Technology Llc Flexure microactuator
US6289564B1 (en) 1997-08-15 2001-09-18 Seagate Technology Llc Method of making a piezoelectric microactuator for precise head positioning
US6362542B1 (en) 1997-08-15 2002-03-26 Seagate Technology Llc Piezoelectric microactuator for precise head positioning
US6157522A (en) * 1998-04-07 2000-12-05 Seagate Technology Llc Suspension-level microactuator
US6215629B1 (en) 1998-04-16 2001-04-10 Seagate Technology Llc Unitary synchronous flexure microactuator
US6414822B1 (en) 1998-06-11 2002-07-02 Seagate Technology Llc Magnetic microactuator
US6359758B1 (en) 1998-06-11 2002-03-19 Seagate Technology, Llc Rigid body microactuator having elastic joint attachment
US6320730B1 (en) 1998-09-26 2001-11-20 Seagate Technology Llc Low-stress disc drive microactuator cradle
US6297936B1 (en) 1998-11-09 2001-10-02 Seagate Technology Llc Integral load beam push-pull microactuator
US6233124B1 (en) 1998-11-18 2001-05-15 Seagate Technology Llc Piezoelectric microactuator suspension assembly with improved stroke length
US6634083B1 (en) 1999-01-22 2003-10-21 Seagate Technology Llc Method of forming a magnet/keeper assembly for head level microactuator
US6268984B1 (en) 1999-01-22 2001-07-31 Seagate Technology Llc Magnet configuration for head-level microactuator
US6351354B1 (en) 1999-05-07 2002-02-26 Seagate Technology Llc Head to flexure interconnection for disc drive microactuator
US6414823B1 (en) 1999-06-09 2002-07-02 Seagate Technology Llc Coil-structures for magnetic microactuator
US6507463B1 (en) 1999-06-11 2003-01-14 Seagate Technology, Inc. Micro disc drive employing arm level microactuator
US6798609B1 (en) 1999-07-28 2004-09-28 Seagate Technology, Inc. Magnetic microactuator with capacitive position sensor
US6985327B2 (en) 1999-09-23 2006-01-10 Seagate Technology Llc Method and control scheme for compensating the coarse actuators undesired transients in dual stage control systems
US6574077B1 (en) 1999-12-02 2003-06-03 Seagate Technology Llc Microactuator assembly having improved standoff configuration
US6697232B1 (en) 2000-03-24 2004-02-24 Seagate Technology Llc Bonded transducer-level electrostatic microactuator for disc drive system
US6785086B1 (en) 2000-04-05 2004-08-31 Seagate Technology Llc Transducer-level microactuator with dual-axis control
US6683757B1 (en) 2000-04-05 2004-01-27 Seagate Technology Llc Slider-level microactuator for precise head positioning
US6683758B2 (en) 2000-06-01 2004-01-27 Seagate Technology Llc Fabrication method for integrated microactuator coils
US6765766B2 (en) 2000-07-11 2004-07-20 Seagate Technology Llc Bonding tub improved electromagnetic microactuator in disc drives
US6851120B2 (en) 2000-07-13 2005-02-01 Seagate Technology Llc Micro-actuator structure for improved stability
US6778350B2 (en) 2000-10-06 2004-08-17 Seagate Technology Llc Feed forward control of voice coil motor induced microactuator disturbance
US6614628B2 (en) 2001-01-19 2003-09-02 Seagate Technology Llc Moving coil micro actuator with reduced rotor mass
US6831539B1 (en) 2003-08-28 2004-12-14 Seagate Technology Llc Magnetic microactuator for disc with integrated head connections and limiters drives
JP2007299455A (en) * 2006-04-28 2007-11-15 Konica Minolta Opto Inc Head positioning mechanism
JP2010146631A (en) * 2008-12-18 2010-07-01 Hitachi Global Storage Technologies Netherlands Bv Head gimbal assembly and disk drive
JP2010218626A (en) * 2009-03-17 2010-09-30 Hitachi Global Storage Technologies Netherlands Bv Head gimbal assembly and disk drive
US8542458B2 (en) 2010-12-24 2013-09-24 Kabushiki Kaisha Toshiba Magnetic disk drive and method for controlling microactuator in magnetic disk drive

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