HK1017126A1 - Read/write head, read/write head positioning mechanism, and read/write system. - Google Patents

Read/write head, read/write head positioning mechanism, and read/write system.

Info

Publication number
HK1017126A1
HK1017126A1 HK99102258A HK99102258A HK1017126A1 HK 1017126 A1 HK1017126 A1 HK 1017126A1 HK 99102258 A HK99102258 A HK 99102258A HK 99102258 A HK99102258 A HK 99102258A HK 1017126 A1 HK1017126 A1 HK 1017126A1
Authority
HK
Hong Kong
Prior art keywords
read
write
write head
positioning mechanism
head positioning
Prior art date
Application number
HK99102258A
Other languages
English (en)
Inventor
Yoshikazu Soeno
Shinji Ichikawa
Takamitsu Tsuna
Isamu Sato
Original Assignee
Tdk 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 Tdk Corp filed Critical Tdk Corp
Publication of HK1017126A1 publication Critical patent/HK1017126A1/xx

Links

Classifications

    • 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
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/16—Supporting the heads; Supporting the sockets for plug-in heads
    • G11B21/20—Supporting the heads; Supporting the sockets for plug-in heads while the head is in operative position but stationary or permitting minor movements to follow irregularities in surface of record carrier
    • 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
    • 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
    • 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
    • G11B5/59627—Aligning for runout, eccentricity or offset compensation
    • 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
    • G11B7/0937—Piezoelectric actuators
HK99102258A 1996-10-31 1999-05-24 Read/write head, read/write head positioning mechanism, and read/write system. HK1017126A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP30562196 1996-10-31
JP14318397 1997-05-16
PCT/JP1997/003486 WO1998019304A1 (fr) 1996-10-31 1997-09-30 Tete d'enregistrement/reproduction, mecanisme de positionnement de tete d'enregistrement/reproduction et dispositif d'enregistrement/reproduction

Publications (1)

Publication Number Publication Date
HK1017126A1 true HK1017126A1 (en) 1999-11-12

Family

ID=26474974

Family Applications (1)

Application Number Title Priority Date Filing Date
HK99102258A HK1017126A1 (en) 1996-10-31 1999-05-24 Read/write head, read/write head positioning mechanism, and read/write system.

Country Status (5)

Country Link
US (1) US6246552B1 (xx)
KR (1) KR100287567B1 (xx)
CN (1) CN1145957C (xx)
HK (1) HK1017126A1 (xx)
WO (1) WO1998019304A1 (xx)

Families Citing this family (123)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0977180B1 (en) * 1998-07-30 2005-02-09 STMicroelectronics S.r.l. Method for assembling an actuator device for a hard disc device, comprising a read/write transducer, a microactuator and a suspension and the actuator device thus obtained
JP3501758B2 (ja) * 1998-11-13 2004-03-02 Ｔｄｋ株式会社 記録／再生ヘッド支持機構および記録／再生装置
US6381104B1 (en) 1998-11-13 2002-04-30 Tdk Corporation Write/read head supporting mechanism, and write/read system
CN1142544C (zh) 1998-11-13 2004-03-17 Tdk株式会社 写/读头支撑机构以及写/读***
US7116523B2 (en) * 1998-12-21 2006-10-03 Hitachi Global Storage Technologies Netherlands B.V. Interconnect module for use in a suspension assembly
JP2000348321A (ja) * 1999-06-03 2000-12-15 Nec Corp 磁気ディスク装置，磁気ヘッド，磁気ヘッドの製造方法および磁気ディスク装置の製造方法
US6952330B1 (en) * 1999-06-11 2005-10-04 Seagate Technology Llc Dynamic flying attitude control using augmented gimbal
US6501625B1 (en) 1999-06-29 2002-12-31 Hutchinson Technology Incorporated Disk drive suspension with multi-layered piezoelectric actuator controlled gram load
US6590747B1 (en) * 1999-08-17 2003-07-08 Seagate Technology, Llc. Seal for micro-electro-mechanical devices
US6859345B2 (en) * 1999-08-17 2005-02-22 Seagate Technology Llc Bending microactuator having a two-piece suspension design
US6498419B1 (en) 1999-10-01 2002-12-24 Ngk Insulators, Ltd. Piezoelectric/electrostrictive device having mutually opposing end surfaces and method of manufacturing the same
US7164221B1 (en) * 1999-10-01 2007-01-16 Ngk Insulators, Ltd. Piezoelectric/electrostrictive device and method of manufacturing same
EP1148560B1 (en) 1999-10-01 2010-07-14 Ngk Insulators, Ltd. Piezoelectric / electrostrictive device and method of manufacture thereof
US6525448B1 (en) 1999-10-01 2003-02-25 Ngk Insulators Ltd Piezoelectric/electrostrictive device
WO2001026168A1 (fr) 1999-10-01 2001-04-12 Ngk Insulators, Ltd. Dispositif piezo-electrique / electrostrictif
US6915547B2 (en) 1999-10-01 2005-07-12 Ngk Insulators, Ltd. Piezoelectric/electrostrictive device and method of manufacturing same
JP4058223B2 (ja) * 1999-10-01 2008-03-05 日本碍子株式会社 圧電／電歪デバイス及びその製造方法
JP2001176225A (ja) * 1999-12-15 2001-06-29 Tdk Corp ヘッドサスペンションアセンブリ
US7072149B2 (en) * 2000-02-01 2006-07-04 Matsushita Electric Industrial Co. Ltd. Head support mechanism and thin film piezoelectric actuator
US6545846B1 (en) * 2000-03-31 2003-04-08 Wonshik Chee Piezoelectric controlled mechanism for minute movement of a magnetic head
US6700727B1 (en) 2000-04-14 2004-03-02 Seagate Technology Llc Slider and method for actively controlling crown curvature
JP3857020B2 (ja) * 2000-05-12 2006-12-13 富士通株式会社 圧電アクチュエータおよび情報記憶装置
US6624984B2 (en) * 2000-05-25 2003-09-23 Seagate Technology Llc Fly height control slider with crown and cross curve de-coupling
EP1306908A4 (en) * 2000-06-16 2006-10-04 Ngk Insulators Ltd PIEZOELECTRIC / ELECTROSTRICTIVE COMPONENT AND METHOD FOR THE PRODUCTION THEREOF
JP2004522239A (ja) * 2000-06-22 2004-07-22 シーゲイト テクノロジー エルエルシー ヘッド・ピッチ調整を改善したディスク・ドライブ
JP2002015498A (ja) * 2000-06-29 2002-01-18 Fujitsu Ltd センス電流の設定方法
US6851120B2 (en) * 2000-07-13 2005-02-01 Seagate Technology Llc Micro-actuator structure for improved stability
US7248444B1 (en) 2000-07-21 2007-07-24 Lauer Mark A Electromagnetic heads, flexures, gimbals and actuators formed on and from a wafer substrate
JP3675315B2 (ja) * 2000-08-24 2005-07-27 Ｔｄｋ株式会社 ヘッド素子の微小位置決め用アクチュエータを備えたヘッドジンバルアセンブリ及び該ヘッドジンバルアセンブリを備えたディスク装置
US7256968B1 (en) 2000-09-11 2007-08-14 Hutchinson Technology Incorporated Microactuated dimple for head suspensions
SG92742A1 (en) * 2000-09-26 2002-11-19 Inst Data Storage Head suspension assembly for magnetic disk drives
EP1331726A4 (en) 2000-10-20 2008-02-13 Fujitsu Ltd PIEZOELECTRIC OPERATING DEVICE, DRIVE PROCESS AND INFORMATION STORAGE DEVICE
US6611399B1 (en) 2000-12-07 2003-08-26 Seagate Technology Llc Micro-actuated micro-suspension(MAMS) slider for both fly height and tracking position
US7345406B2 (en) * 2001-01-18 2008-03-18 Ngk Insulators, Ltd. Piezoelectric/electrostrictive device
JP4007767B2 (ja) 2001-01-18 2007-11-14 日本碍子株式会社 圧電／電歪デバイスおよびその製造方法
US7068473B2 (en) * 2001-01-22 2006-06-27 Kinetic Ceramics, Inc. Piezoelectric microactuator for improved tracking control of disk drive read/write heads
JP4258126B2 (ja) * 2001-02-27 2009-04-30 Ｔｄｋ株式会社 微小位置決め用アクチュエータ付きヘッドスライダ及び該スライダの製造方法
JP3711979B2 (ja) * 2001-03-23 2005-11-02 Ｔｄｋ株式会社 ヘッド素子の微小位置決め用アクチュエータ及び該アクチュエータを備えたヘッド装置
JP4015820B2 (ja) 2001-04-11 2007-11-28 日本碍子株式会社 配線基板及びその製造方法
WO2002087063A1 (fr) * 2001-04-19 2002-10-31 Fujitsu Limited Actionneur piezo-electrique et memoire informatique
JP2002329375A (ja) * 2001-04-23 2002-11-15 Shinka Jitsugyo Kk ヘッド素子の微小位置決め用アクチュエータを備えたヘッドジンバルアセンブリ
US6760196B1 (en) 2001-12-12 2004-07-06 Western Digital, Inc. Microactuator with offsetting hinges and method for high-resolution positioning of magnetic read/write head
US6771456B2 (en) * 2001-05-31 2004-08-03 International Business Machines Corporation System and method for miniaturization of read/write heads
KR100772361B1 (ko) * 2001-06-08 2007-11-01 삼성전자주식회사 광픽업 장치
KR100425684B1 (ko) * 2001-08-28 2004-04-03 엘지전자 주식회사 정보저장장치용 공기부양 슬라이더 헤드 및 그 제조방법
JP2003123416A (ja) * 2001-10-17 2003-04-25 Fujitsu Ltd ヘッドアセンブリおよび記録媒体駆動装置
CN1232952C (zh) * 2001-11-03 2005-12-21 新科实业有限公司 改进微驱动机构安装到磁头滑块装置上的设备和方法
JP3948251B2 (ja) * 2001-11-05 2007-07-25 松下電器産業株式会社 ヘッド位置決め装置、およびこれを用いたディスク装置
JP3917409B2 (ja) * 2001-11-16 2007-05-23 富士通株式会社 ヘッドスライダ及びディスク装置
US7612967B2 (en) * 2001-12-05 2009-11-03 Samsung Electronics Co., Ltd. Method and apparatus coupling at least one piezoelectric device to a slider in a hard disk drive for microactuation
CN1263173C (zh) * 2001-12-06 2006-07-05 松下电器产业株式会社 复合压电体及其制造方法
US6961221B1 (en) * 2001-12-18 2005-11-01 Western Digital (Fremont), Inc. Piezoelectric microactuators with substantially fixed axis of rotation and magnified stroke
CN1427409A (zh) * 2001-12-18 2003-07-02 松下电器产业株式会社 盘装置、盘装置用配线以及盘装置用配线的制造方法
US6807030B1 (en) 2001-12-18 2004-10-19 Western Digital (Fremont), Inc. Enclosed piezoelectric microactuators coupled between head and suspension
CN1275230C (zh) * 2002-02-02 2006-09-13 新科实业有限公司 具有精确定位致动器的磁头万向架组件,具有该组件的磁盘驱动装置及制造该组件的方法
WO2003067575A1 (en) * 2002-02-02 2003-08-14 Sae Magnetics (H. K.) Ltd. Head gimbal assembly with precise positioning actuator for head element and disk drive apparatus with the head gimbal assembly
US6930860B1 (en) * 2002-02-12 2005-08-16 Maxtor Corporation Micro-flexure suspension including piezoelectric elements for secondary actuation
KR100442871B1 (ko) * 2002-02-14 2004-08-02 삼성전자주식회사 헤드 조립체 및 이를 채용한 드라이브 시스템
SG113413A1 (en) * 2002-04-12 2005-08-29 Inst Data Storage Shear mode piezoelectric actuator assembly
US6798113B2 (en) * 2002-04-18 2004-09-28 Hewlett-Packard Development Company, L.P. Flexure with integral electrostatic actuator
US6812617B2 (en) * 2002-04-18 2004-11-02 Hewlett-Packard Development Company, L.P. MEMS device having a flexure with integral electrostatic actuator
US6738231B2 (en) * 2002-04-24 2004-05-18 Hitachi Global Storage Technologies Netherlands B.V. Piezoelectric microactuator for slider side actuation
US20040061969A1 (en) * 2002-10-01 2004-04-01 Kr Precision Public Company Limited Method and structure for operating high density hard disk drive head using piezo electric drive
FR2845440B1 (fr) * 2002-10-03 2006-03-31 Sagem Dispositif de commande de valves
USPP15782P3 (en) * 2002-11-18 2005-06-07 Hishtil Afula Ltd. Globularia plant named ‘His Eyeball Comp’
EP1427031B1 (en) * 2002-12-03 2013-05-08 Panasonic Corporation Manufacturing method of a thin film piezoelectric element
US7057857B1 (en) 2002-12-20 2006-06-06 Western Digital (Fremont), Inc. Dimple pivot post for a rotary co-located microactuator
US20040125511A1 (en) * 2002-12-26 2004-07-01 Kr Precision Public Company Limited Method and apparatus for fine tuning read/write head on hard disk drive and integrated fabrication process
US7375930B2 (en) * 2002-12-27 2008-05-20 Magnecomp Corporation Apparatus for PZT actuation device for hard disk drives
US20040125509A1 (en) * 2002-12-27 2004-07-01 Kr Precision Public Company Limited Method for fabricating multilayered thin film PZT structures for small form factors
US20040125508A1 (en) * 2002-12-27 2004-07-01 Kr Precision Public Company Limited Method and apparatus for forming a plurality of actuation devices on suspension structures for hard disk drive suspension
US7230800B2 (en) 2003-07-24 2007-06-12 Hitachi Global Storage Technologies Netherlands B.V. Microactuator for a hard disk drive with an integrated gimbal function
US8064172B2 (en) * 2003-11-13 2011-11-22 Samsung Electronics Co., Ltd. Method and apparatus coupling to a slider in a hard disk drive for microactuation
KR100569915B1 (ko) * 2004-01-14 2006-04-10 엘지전자 주식회사 광 디스크 드라이브 장치
CN100431008C (zh) * 2004-02-05 2008-11-05 新科实业有限公司 微致动器、磁头万向悬挂支架组件和磁盘驱动器
CN100411014C (zh) * 2004-08-30 2008-08-13 新科实业有限公司 微驱动器、磁头折片组合以及使用其的磁盘驱动器
US7298593B2 (en) * 2004-10-01 2007-11-20 Sae Magnetics (H.K.) Ltd. Micro-actuator including a leading beam pivot part, head gimbal assembly and disk drive unit with the same
JP4261468B2 (ja) * 2004-11-18 2009-04-30 Ｔｄｋ株式会社 加速度センサ
CN1797550A (zh) * 2004-12-30 2006-07-05 新科实业有限公司 微驱动器、减振器、磁头折片组合及其磁盘驱动单元
CN100530359C (zh) * 2004-12-30 2009-08-19 新科实业有限公司 具有减振器的微驱动器单元、磁头折片组合及其磁盘驱动单元
JP2007087527A (ja) * 2005-09-22 2007-04-05 Shinka Jitsugyo Kk マイクロアクチュエータ及びこれを用いたヘッドジンバルアッセンブリ並びにハードディスクドライブ、マイクロアクチュエータの製造方法
US20070070552A1 (en) * 2005-09-27 2007-03-29 Sae Magnetics (H.K.) Ltd. Micro-actuator and head gimbal assembly for a disk drive device
US7282836B2 (en) * 2005-12-08 2007-10-16 Samsung Electronics Co., Ltd. Method and apparatus for a D33 mode piezoelectric actuator with a bending motion
US7667932B2 (en) * 2006-01-17 2010-02-23 Samsung Electronics, Co., Ltd. Method and apparatus using embedded sensor in a piezoelectric micro-actuator in a hard disk drive
JP2007228782A (ja) * 2006-01-24 2007-09-06 Ngk Insulators Ltd 圧電／電歪デバイス
US7558026B2 (en) 2006-06-14 2009-07-07 Samsung Electronics Co., Ltd. Method and apparatus for a single piezoelectric micro-actuator in a head gimbal assembly of a hard disk drive
US7974045B2 (en) * 2006-06-29 2011-07-05 Samsung Electronics Co., Ltd. Apparatus and method for a piezoelectric micro-actuator for a hard disk drive
CN101123094A (zh) * 2006-08-07 2008-02-13 新科实业有限公司 旋转式微致动器、磁头万向节组件及其制造方法
JPWO2008114345A1 (ja) * 2007-03-16 2010-06-24 東芝ストレージデバイス株式会社 磁気ヘッド支持体および磁気ディスク装置
CN101315773B (zh) * 2007-05-28 2013-06-19 新科实业有限公司 悬臂件、磁头折片组合及其制造方法以及磁盘驱动单元
US8125741B2 (en) * 2007-07-20 2012-02-28 Magnecomp Corporation Rotational, shear mode, piezoelectric motor integrated into a collocated, rotational, shear mode, piezoelectric micro-actuated suspension, head or head/gimbal assembly for improved tracking in disk drives and disk drive equipment
JP5570111B2 (ja) * 2008-12-18 2014-08-13 エイチジーエスティーネザーランドビーブイ ヘッド・ジンバル・アセンブリ及びディスク・ドライブ
US8885299B1 (en) 2010-05-24 2014-11-11 Hutchinson Technology Incorporated Low resistance ground joints for dual stage actuation disk drive suspensions
US8773810B2 (en) 2011-01-20 2014-07-08 International Business Machines Corporation Adjustable span recording head
US8804270B2 (en) 2011-02-11 2014-08-12 International Business Machines Corporation Tape head actuator
KR20120110820A (ko) * 2011-03-30 2012-10-10 삼성전자주식회사 헤드 짐발 조립체 및 그를 구비한 하드디스크 드라이브
WO2013138619A1 (en) 2012-03-16 2013-09-19 Hutchinson Technology Incorporated Mid-loadbeam dual stage actuated (dsa) disk drive head suspension
US8861141B2 (en) * 2012-08-31 2014-10-14 Hutchinson Technology Incorporated Damped dual stage actuation disk drive suspensions
WO2014043498A2 (en) 2012-09-14 2014-03-20 Hutchinson Technology Incorporated Co-located gimbal-based dual stage actuation disk drive suspensions
JP6356682B2 (ja) 2012-10-10 2018-07-11 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 二段作動構造を有するサスペンション
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
US8810971B1 (en) 2013-04-08 2014-08-19 HGST Netherlands B.V. Single sheet differential-poled piezoelectric microactuator for a hard disk drive
US8982513B1 (en) * 2013-05-21 2015-03-17 Western Digital Technologies, Inc. Disk drive head suspension with dual piezoelectric elements adhered to rotary-actuated and non-actuated portions of a structural layer of a tongue of a laminated flexure
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
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
US9734852B2 (en) 2015-06-30 2017-08-15 Hutchinson Technology Incorporated Disk drive head suspension structures having improved gold-dielectric joint reliability
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
US9892751B1 (en) 2016-10-27 2018-02-13 International Business Machines Corporation Achieving fine motion between modules in a magnetic head
US9947354B1 (en) 2017-03-20 2018-04-17 International Business Machines Corporation Utilization of multiple writer modules for simultaneously writing two times the number of data tracks in a compact form factor
JP6832009B2 (ja) * 2017-05-10 2021-02-24 有限会社メカノトランスフォーマ 圧電アクチュエータ
US10762924B2 (en) 2018-12-07 2020-09-01 Western Digital Technologies, Inc. Electrostrictive control for the width of a tape-head-array
US10748573B2 (en) * 2019-01-14 2020-08-18 International Business Machines Corporation Multichannel tape head module having mechanically settable transducer pitch
US11145323B1 (en) 2020-11-30 2021-10-12 International Business Machines Corporation Accurate skew determination for magnetic tapes experiencing the effects of tape dimensional instability
US11783857B2 (en) 2020-12-08 2023-10-10 International Business Machines Corporation Data storage system and magnetic tape recording media with features for correcting the combined effects of tape skew and tape dimensional stability
CN113432524B (zh) * 2021-06-04 2023-04-11 西安交通大学 一种通过力学手段调控挠曲电效应的装置及方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4605977A (en) * 1983-12-14 1986-08-12 Sperry Corporation Air bearing head displacement sensor and positioner
JPS6190079U (xx) * 1984-11-16 1986-06-11
US4724500A (en) * 1986-08-14 1988-02-09 Tandon Corporation Mechanism for preventing shock damage to head slider assemblies and disks in rigid disk drive
JPS63291271A (ja) 1987-05-22 1988-11-29 Hitachi Ltd 磁気ヘツドの微少位置決め機構
JP2529380B2 (ja) 1989-02-28 1996-08-28 富士通株式会社 ヘッド位置決め機構
JP2888261B2 (ja) 1990-12-19 1999-05-10 富士通株式会社 ヘッド支持機構
EP0549814B1 (en) 1991-07-23 1997-06-18 Fujitsu Limited Mechanism for finely moving head
JPH0528670A (ja) 1991-07-25 1993-02-05 Fujitsu Ltd デイスクフアイル装置用ヘツドアクチユエータ
JP3259097B2 (ja) 1991-08-14 2002-02-18 富士通株式会社 サーボ制御方式
JPH06309822A (ja) 1992-08-12 1994-11-04 Toshiba Corp 記録再生ヘッド及びこれを用いた記録再生装置
JPH06259905A (ja) 1993-03-03 1994-09-16 Toshiba Corp 記録再生装置用アクチュエータ及びこれを用いた記録再生装置
JPH08180623A (ja) 1994-12-22 1996-07-12 Hitachi Ltd 磁気ディスク装置

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CN1145957C (zh) 2004-04-14
KR19990076758A (ko) 1999-10-15
CN1206488A (zh) 1999-01-27
KR100287567B1 (ko) 2001-04-16
US6246552B1 (en) 2001-06-12
WO1998019304A1 (fr) 1998-05-07

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