JP4188793B2 - Ｐｚｔアクチュエータを備えたデュアル・ステージ・サスペンション - Google Patents

Ｐｚｔアクチュエータを備えたデュアル・ステージ・サスペンション Download PDF

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Publication number
JP4188793B2
JP4188793B2 JP2003346606A JP2003346606A JP4188793B2 JP 4188793 B2 JP4188793 B2 JP 4188793B2 JP 2003346606 A JP2003346606 A JP 2003346606A JP 2003346606 A JP2003346606 A JP 2003346606A JP 4188793 B2 JP4188793 B2 JP 4188793B2
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JP
Japan
Prior art keywords
actuator
suspension
disk drive
mounting plate
rotating element
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Expired - Fee Related
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JP2003346606A
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Japanese (ja)
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JP2004134067A5 (https=
JP2004134067A (ja
Inventor
ウォルター・ダブル・ダフト
ビクター・ウィン・チュン・シャム
Original Assignee
ヒタチグローバルストレージテクノロジーズネザーランドビーブイ
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    • 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
    • G11B5/4853—Constructional details of the electrical connection between head and 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
    • G11B5/5552—Track change, selection or acquisition by displacement of the head across disk tracks using fine positioning means for track acquisition separate from the coarse (e.g. track changing) positioning means

Landscapes

  • Supporting Of Heads In Record-Carrier Devices (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
  • Moving Of The Head To Find And Align With The Track (AREA)
JP2003346606A 2002-10-07 2003-10-06 Ｐｚｔアクチュエータを備えたデュアル・ステージ・サスペンション Expired - Fee Related JP4188793B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/265,554 US7023667B2 (en) 2002-10-07 2002-10-07 Dual stage suspension with PZT actuators arranged to improve actuation in suspensions of short length

Publications (3)

Publication Number Publication Date
JP2004134067A JP2004134067A (ja) 2004-04-30
JP2004134067A5 JP2004134067A5 (https=) 2006-11-16
JP4188793B2 true JP4188793B2 (ja) 2008-11-26

Family

ID=32042478

Family Applications (1)

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JP2003346606A Expired - Fee Related JP4188793B2 (ja) 2002-10-07 2003-10-06 Ｐｚｔアクチュエータを備えたデュアル・ステージ・サスペンション

Country Status (2)

Country Link
US (1) US7023667B2 (https=)
JP (1) JP4188793B2 (https=)

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US8416535B2 (en) * 2004-01-15 2013-04-09 Seagate Technology Llc Endcap for reducing airflow excitation of head gimbal assembly
US7330333B2 (en) * 2004-06-16 2008-02-12 Samsung Electronics Co., Ltd. Hard disk drive housing having isolated post to improve mechanical shock resistance
US7352535B2 (en) * 2005-01-13 2008-04-01 Hitachi Global Storage Technologies Netherlands, B.V. Method and apparatus for reducing crosstalk and signal loss in flexing interconnects of an electrical lead suspension
US7417830B1 (en) * 2005-08-31 2008-08-26 Magnecomp Corporation Head gimbal assembly with dual-mode piezo microactuator
US7595965B1 (en) * 2005-11-18 2009-09-29 Magnecomp Corporation Single PZT actuator for effecting rotation of head suspension loads
US8416532B1 (en) 2006-04-13 2013-04-09 Hutchinson Technology Incorporated Continuous stainless steel ground plane flexure for a disk drive head suspension
US8054585B2 (en) * 2006-11-28 2011-11-08 Sae Magnetics (Hk) Ltd. Gimbal with assymmetric dynamic stiffness
JP2008284930A (ja) * 2007-05-15 2008-11-27 Toyoda Gosei Co Ltd エアバッグ装置
US8085508B2 (en) 2008-03-28 2011-12-27 Hitachi Global Storage Technologies Netherlands B.V. System, method and apparatus for flexure-integrated microactuator
US8254062B2 (en) * 2008-10-20 2012-08-28 Seagate Technology Llc Recessed base plate for data transducer suspension
US8149545B1 (en) 2008-10-23 2012-04-03 Magnecomp Corporation Low profile load beam with etched cavity for PZT microactuator
JP4948554B2 (ja) * 2009-02-16 2012-06-06 日本発條株式会社 ヘッドサスペンション
US8493689B2 (en) * 2009-06-15 2013-07-23 Seagate Technology Llc Protective layer on gimbal for scratch mitigation
JP4817467B2 (ja) * 2009-06-26 2011-11-16 サンコール株式会社 磁気ヘッドサスペンション
JP5508774B2 (ja) * 2009-07-16 2014-06-04 エイチジーエスティーネザーランドビーブイ ディスク・ドライブ
JP5277119B2 (ja) * 2009-09-08 2013-08-28 日本発條株式会社 ディスク装置用サスペンション
JP4993524B2 (ja) * 2010-04-08 2012-08-08 サンコール株式会社 磁気ヘッドサスペンション及びその製造方法
US8885299B1 (en) 2010-05-24 2014-11-11 Hutchinson Technology Incorporated Low resistance ground joints for dual stage actuation disk drive suspensions
JP5131938B2 (ja) * 2010-07-20 2013-01-30 サンコール株式会社 磁気ヘッドサスペンション
JP5158990B2 (ja) * 2010-08-30 2013-03-06 サンコール株式会社 磁気ヘッドサスペンション及びその製造方法
US8456776B1 (en) * 2010-09-22 2013-06-04 Western Digital Technologies, Inc. Disk drive head gimbal assembly having a flexure bond pad shelf offset from a tongue
US9013835B2 (en) * 2011-10-14 2015-04-21 Seagate Technology Llc Low translational load suspension assembly
US8456780B1 (en) 2012-02-10 2013-06-04 HGST Netherlands B.V. Uncoupled piezoelectric milli-actuator assembly
WO2013138619A1 (en) 2012-03-16 2013-09-19 Hutchinson Technology Incorporated Mid-loadbeam dual stage actuated (dsa) disk drive head suspension
WO2014035591A1 (en) 2012-08-31 2014-03-06 Hutchinson Technology Incorporated Damped dual stage actuation disk drive suspensions
JP6251745B2 (ja) 2012-09-14 2017-12-20 ハッチンソン テクノロジー インコーポレイテッドＨｕｔｃｈｉｎｓｏｎ Ｔｅｃｈｎｏｌｏｇｙ Ｉｎｃｏｒｐｏｒａｔｅｄ ２段始動構造部を有するジンバル形撓み部材及びサスペンション
WO2014059128A2 (en) 2012-10-10 2014-04-17 Hutchinson Technology Incorporated Co-located gimbal-based dual stage actuation disk drive suspensions with dampers
US8941951B2 (en) 2012-11-28 2015-01-27 Hutchinson Technology Incorporated Head suspension flexure with integrated strain sensor and sputtered traces
US8891206B2 (en) 2012-12-17 2014-11-18 Hutchinson Technology Incorporated Co-located gimbal-based dual stage actuation disk drive suspensions with motor stiffener
US8699186B1 (en) 2013-02-22 2014-04-15 Magnecomp Corporation DSA suspension with mid-load beam mounted dual actuators
US8896969B1 (en) 2013-05-23 2014-11-25 Hutchinson Technology Incorporated Two-motor co-located gimbal-based dual stage actuation disk drive suspensions with motor stiffeners
JP2014238895A (ja) * 2013-06-06 2014-12-18 株式会社東芝 ヘッドサスペンションアッセンブリおよびこれを備えたディスク装置
US8717712B1 (en) 2013-07-15 2014-05-06 Hutchinson Technology Incorporated Disk drive suspension assembly having a partially flangeless load point dimple
US8792214B1 (en) 2013-07-23 2014-07-29 Hutchinson Technology Incorporated Electrical contacts to motors in dual stage actuated suspensions
US8675314B1 (en) 2013-08-21 2014-03-18 Hutchinson Technology Incorporated Co-located gimbal-based dual stage actuation disk drive suspensions with offset motors
US8896970B1 (en) 2013-12-31 2014-11-25 Hutchinson Technology Incorporated Balanced co-located gimbal-based dual stage actuation disk drive suspensions
US8867173B1 (en) 2014-01-03 2014-10-21 Hutchinson Technology Incorporated Balanced multi-trace transmission in a hard disk drive flexure
US9070392B1 (en) 2014-12-16 2015-06-30 Hutchinson Technology Incorporated Piezoelectric disk drive suspension motors having plated stiffeners
US9318136B1 (en) 2014-12-22 2016-04-19 Hutchinson Technology Incorporated Multilayer disk drive motors having out-of-plane bending
US9296188B1 (en) 2015-02-17 2016-03-29 Hutchinson Technology Incorporated Partial curing of a microactuator mounting adhesive in a disk drive suspension
CN107735834B (zh) 2015-06-30 2019-11-19 哈钦森技术股份有限公司 具有改进的可靠性的盘驱动器头部悬架结构
JP6019201B2 (ja) * 2015-11-04 2016-11-02 日本発條株式会社 ディスク装置用サスペンション
US9646638B1 (en) 2016-05-12 2017-05-09 Hutchinson Technology Incorporated Co-located gimbal-based DSA disk drive suspension with traces routed around slider pad
US11501797B2 (en) 2020-05-15 2022-11-15 Magnecomp Corporation Actuator joint with non-straight edge
US12183374B1 (en) 2024-01-11 2024-12-31 Western Digital Technologies, Inc. Varying suspension arm length for magnetic storage device

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JP3064336B2 (ja) 1989-06-28 2000-07-12 株式会社日立製作所 情報取扱い装置およびデイスク装置
US5764444A (en) 1991-07-23 1998-06-09 Fujitsu Limited Mechanism for minute movement of a head
US5682076A (en) 1993-08-03 1997-10-28 Nanomotion Ltd. Ceramic disc-drive actuator
US5557486A (en) 1993-12-02 1996-09-17 Hitachi, Ltd. Thin external memory unit with hard disk
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US6052251A (en) 1996-11-01 2000-04-18 Seagate Technology, Inc. Actuator arm integrated piezoelectric microactuator
USRE38340E1 (en) 1996-11-04 2003-12-02 Seagate Technology Llc Multi-point bending of bars during fabrication of magnetic recording heads
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GB2334613B (en) 1996-12-16 2001-04-18 Seagate Technology E-block head stack microactuator assembly
US5898544A (en) 1997-06-13 1999-04-27 Hutchinson Technology Incorporated Base plate-mounted microactuator for a suspension
US6201668B1 (en) 1997-07-03 2001-03-13 Seagate Technology Llc Gimbal-level piezoelectric microactuator
US6157522A (en) 1998-04-07 2000-12-05 Seagate Technology Llc Suspension-level microactuator
US6188548B1 (en) 1998-06-10 2001-02-13 Magnecomp Corp. Low voltage, high displacement microactuated disk drive suspension
US6166890A (en) 1998-07-24 2000-12-26 Seagate Technology Llc In plane, push-pull parallel force microactuator
JP3225510B2 (ja) 1998-12-15 2001-11-05 日本電気株式会社 磁気ヘッドスライダ位置決め機構
US6515834B1 (en) * 1999-03-16 2003-02-04 Seagate Technology Llc Side-arm microactuator with piezoelectric adjuster
US6239953B1 (en) * 1999-10-15 2001-05-29 Magnecomp Corp. Microactuated disk drive suspension with heightened stroke sensitivity

Also Published As

Publication number Publication date
US20040066585A1 (en) 2004-04-08
JP2004134067A (ja) 2004-04-30
US7023667B2 (en) 2006-04-04

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