CN1412744A - 磁头组件的压电致动器装置 - Google Patents
磁头组件的压电致动器装置 Download PDFInfo
- Publication number
- CN1412744A CN1412744A CN02107505A CN02107505A CN1412744A CN 1412744 A CN1412744 A CN 1412744A CN 02107505 A CN02107505 A CN 02107505A CN 02107505 A CN02107505 A CN 02107505A CN 1412744 A CN1412744 A CN 1412744A
- Authority
- CN
- China
- Prior art keywords
- piezo
- lengthening
- activator
- head slider
- interior electrode
- 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.)
- Granted
Links
Images
Classifications
-
- 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
- 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
- G11B21/21—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 with provision for maintaining desired spacing of head from record carrier, e.g. fluid-dynamic spacing, slider
Landscapes
- Moving Of The Head To Find And Align With The Track (AREA)
- Supporting Of Heads In Record-Carrier Devices (AREA)
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
Abstract
Description
Claims (20)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001318985A JP2003123416A (ja) | 2001-10-17 | 2001-10-17 | ヘッドアセンブリおよび記録媒体駆動装置 |
JP318985/2001 | 2001-10-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1412744A true CN1412744A (zh) | 2003-04-23 |
CN1306477C CN1306477C (zh) | 2007-03-21 |
Family
ID=19136602
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB021075050A Expired - Fee Related CN1306477C (zh) | 2001-10-17 | 2002-03-14 | 磁头组件和记录媒体驱动器 |
Country Status (5)
Country | Link |
---|---|
US (1) | US6617763B2 (zh) |
EP (1) | EP1304683A3 (zh) |
JP (1) | JP2003123416A (zh) |
KR (1) | KR100772071B1 (zh) |
CN (1) | CN1306477C (zh) |
Families Citing this family (45)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4146127B2 (ja) * | 2002-01-16 | 2008-09-03 | セイコーインスツル株式会社 | 圧電アクチュエータ及びそれを備えた電子機器 |
US6853517B2 (en) | 2003-02-13 | 2005-02-08 | Hitachi Global Storage Technologies Netherlands B.V. | Electrostatic microactuator with electrically isolated movable portion and associated drive circuitry |
JP4566529B2 (ja) * | 2003-07-11 | 2010-10-20 | 富士通株式会社 | 微動アクチュエータおよび記録媒体駆動装置 |
EP1748761A4 (en) * | 2004-05-27 | 2011-10-12 | Dexcel Pharma Technologies Ltd | REGULATED AND LOCALIZED ABSORPTION OF STATINS IN THE GASTROINTESTINAL TRACT TO OBTAIN HIGH BLOOD RATE OF STATINS |
CN100426412C (zh) * | 2004-06-05 | 2008-10-15 | 新科实业有限公司 | 具有飞行高度调节装置的磁头折片组合、硬盘驱动器及其制造方法 |
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 |
US7312956B2 (en) * | 2004-09-08 | 2007-12-25 | Sae Magnetics (H.K.) Ltd | Micro-actuator, head gimbal assembly, and disk drive unit with the same |
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 |
US7551386B2 (en) * | 2004-10-18 | 2009-06-23 | Sae Magnetics (H.K.) Ltd. | Head gimbal assembly with flying height controller, disk drive unit using the same, and flying height adjusting method and system thereof |
US20060098347A1 (en) * | 2004-11-10 | 2006-05-11 | Sae Magnetics (H.K.) Ltd. | Micro-actuator, head gimbal assembly and disk drive unit with the same |
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 |
US7433159B2 (en) * | 2005-01-27 | 2008-10-07 | Sae Magnetics (H.K.) Ltd. | Micro-actuator unit, head gimbal assembly, and disk drive unit with vibration canceller |
US7280319B1 (en) | 2005-01-31 | 2007-10-09 | Western Digital Technologies, Inc. | Suspension assembly with piezoelectric microactuators electrically connected to a folded flex circuit segment |
CN1828726B (zh) * | 2005-02-28 | 2010-04-28 | 新科实业有限公司 | 可旋转压电微驱动器及其磁头折片组合和磁盘驱动单元 |
CN1828727A (zh) * | 2005-02-28 | 2006-09-06 | 新科实业有限公司 | 微驱动器及其磁头折片组合和磁盘驱动单元 |
US7408745B2 (en) * | 2005-05-10 | 2008-08-05 | Sae Magnetics (H.K.) Ltd. | Sway-type micro-actuator with slider holding arms for a disk drive head gimbal assembly |
US7277258B2 (en) * | 2005-06-21 | 2007-10-02 | Hitachi Global Storage Technologies Netherlands B.V. | Dual-stage actuator disk drive with optimal location of the movable portion of the secondary actuator |
US20070000110A1 (en) * | 2005-06-29 | 2007-01-04 | Sae Magnetics (H.K.) Ltd. | Method for treating PZT element, PZT micro-actuator, head gimbal assembly and disk drive unit with treated PZT micro-actuator |
US7535680B2 (en) * | 2005-06-29 | 2009-05-19 | Sae Magnetics (H.K.) Ltd. | Micro-actuator with integrated trace and bonding pad support |
US7535681B2 (en) * | 2005-07-29 | 2009-05-19 | Sae Magentics (H.K.) Ltd. | Micro-actuator including side arms having back-turned extensions, head gimbal assembly and disk drive unit with the same |
US20070070552A1 (en) * | 2005-09-27 | 2007-03-29 | Sae Magnetics (H.K.) Ltd. | Micro-actuator and head gimbal assembly for a disk drive device |
US7411764B2 (en) * | 2005-09-30 | 2008-08-12 | Sae Magnetics (H.K.) Ltd. | Head gimbal assembly with precise positioning actuator for read/write head and disk drive device with the head gimbal assembly |
US7663843B2 (en) | 2005-11-02 | 2010-02-16 | Sae Magnetics (H.K.) Ltd. | Flex cable frame assembly for micro-actuator and flex cable suspension assembly for HGA of disk drive device |
US7417831B2 (en) * | 2005-11-03 | 2008-08-26 | Sae Magnetics (H.K.) Ltd. | Micro-actuator and head gimbal assembly for a disk drive device |
US7518833B2 (en) * | 2005-11-15 | 2009-04-14 | Sae Magnetics H.K. Ltd. | Micro-actuator with electric spark preventing structure, HGA, and disk drive unit with the same, and manufacturing method thereof |
JP4747795B2 (ja) * | 2005-11-16 | 2011-08-17 | Tdk株式会社 | アクチュエータ、スライダユニット、サスペンション及びハードディスク装置、並びにこれらに用いられる圧電素子 |
CN1967663A (zh) * | 2005-11-16 | 2007-05-23 | 新科实业有限公司 | 薄膜压电微驱动器及其磁头折片组合和磁盘驱动单元 |
JP2007158276A (ja) * | 2005-12-08 | 2007-06-21 | Ngk Insulators Ltd | 圧電/電歪デバイス及び圧電/電歪デバイスの駆動方法 |
US7474512B2 (en) * | 2005-12-15 | 2009-01-06 | Sae Magnetics (H.K.) Ltd. | Miro-actuator, head gimbal assembly, and disk drive unit with the same |
US7701675B2 (en) * | 2005-12-16 | 2010-04-20 | Sae Magnetics (H.K.) Ltd. | Micro-actuator mounting structure capable of maintaining a substantially constant gap between a top support of a micro-actuator and a suspension during use |
US7538984B2 (en) * | 2005-12-16 | 2009-05-26 | Sae Magnetics (H.K.) Ltd. | Rotational PZT micro-actuator with a rotatable plate |
US7768746B2 (en) * | 2005-12-29 | 2010-08-03 | Sae Magnetics (H.K.) Ltd. | Rotational micro-actuator with a rotatable plate, head gimbal assembly and disk drive device with the same |
US7684157B2 (en) | 2005-12-29 | 2010-03-23 | Sae Magnetics (H. K.) Ltd. | Head gimbal assembly including first and second dimples, and disk drive unit including the same |
US7719798B2 (en) | 2006-02-14 | 2010-05-18 | Sae Magnetics (H.K.) Ltd. | Rotational micro-actuator integrated with suspension of head gimbal assembly, and disk drive unit with the same |
US7471490B2 (en) * | 2006-03-21 | 2008-12-30 | Sae Magnetics (H.K.) Ltd. | Micro-actuator including U-shaped frame and metal support frame, and manufacturing method thereof |
US7551405B2 (en) * | 2006-03-22 | 2009-06-23 | Sae Magnetics (H.K.) Ltd. | Rotational PZT micro-actuator with fine head position adjustment capacity, head gimbal assembly, and disk drive unit with same |
JP2007265570A (ja) * | 2006-03-29 | 2007-10-11 | Fujitsu Ltd | 微小変位機構及び磁気ディスク装置 |
US7468869B2 (en) | 2006-05-01 | 2008-12-23 | Sae Magnetics (H.K.) Ltd. | Micro-actuator, micro-actuator suspension, and head gimbal assembly with the same |
US7796363B2 (en) * | 2006-05-25 | 2010-09-14 | Sae Magnetics (H.K.) Ltd. | PZT element, head gimbal assembly, and disk drive unit with same |
US10842280B2 (en) | 2006-10-04 | 2020-11-24 | Access Enterprise, Llc | Therapeutic back support and stabilization |
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 |
US7944129B2 (en) * | 2007-07-13 | 2011-05-17 | Konica Minolta Opto, Inc. | Ultrasonic actuator and magnetic recording apparatus using the same |
JP5032949B2 (ja) * | 2007-11-14 | 2012-09-26 | エイチジーエスティーネザーランドビーブイ | マイクロアクチュエータ、ヘッド・ジンバル・アセンブリ及びディスク・ドライブ装置 |
JP4930569B2 (ja) * | 2009-10-14 | 2012-05-16 | 株式会社村田製作所 | 磁気ヘッド駆動用圧電セラミックアクチュエータ |
US8289652B2 (en) | 2010-10-22 | 2012-10-16 | Seagate Technology Llc | Compact microactuator head assembly |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5745319A (en) * | 1992-08-12 | 1998-04-28 | Kabushiki Kaisha Toshiba | Recording/reproducing apparatus with coarse and fine head positioning actuators and an elastic head gimbal |
WO1998019304A1 (fr) * | 1996-10-31 | 1998-05-07 | Tdk Corporation | Tete d'enregistrement/reproduction, mecanisme de positionnement de tete d'enregistrement/reproduction et dispositif d'enregistrement/reproduction |
JP3911339B2 (ja) | 1998-03-20 | 2007-05-09 | Tdk株式会社 | 磁気ディスク装置および記録再生方法 |
US6297936B1 (en) * | 1998-11-09 | 2001-10-02 | Seagate Technology Llc | Integral load beam push-pull microactuator |
JP2001211668A (ja) * | 2000-01-27 | 2001-08-03 | Tdk Corp | 微小位置決めアクチュエータ、薄膜磁気ヘッド素子の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サスペンションアセンブリ |
JP3749081B2 (ja) * | 2000-04-20 | 2006-02-22 | 富士通株式会社 | マイクロアクチュエータを用いたヘッドアセンブリおよび記録媒体駆動装置 |
JP3771122B2 (ja) * | 2000-09-05 | 2006-04-26 | 富士通株式会社 | ヘッド移動装置および記憶ディスク駆動装置 |
JP2003061371A (ja) * | 2001-08-10 | 2003-02-28 | Fujitsu Ltd | 圧電アクチュエータ |
-
2001
- 2001-10-17 JP JP2001318985A patent/JP2003123416A/ja active Pending
-
2002
- 2002-03-05 US US10/090,959 patent/US6617763B2/en not_active Expired - Fee Related
- 2002-03-13 EP EP02251761A patent/EP1304683A3/en not_active Withdrawn
- 2002-03-13 KR KR1020020013494A patent/KR100772071B1/ko not_active IP Right Cessation
- 2002-03-14 CN CNB021075050A patent/CN1306477C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2003123416A (ja) | 2003-04-25 |
US6617763B2 (en) | 2003-09-09 |
KR100772071B1 (ko) | 2007-10-31 |
CN1306477C (zh) | 2007-03-21 |
EP1304683A2 (en) | 2003-04-23 |
US20030071541A1 (en) | 2003-04-17 |
EP1304683A3 (en) | 2006-12-27 |
KR20030032799A (ko) | 2003-04-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1306477C (zh) | 磁头组件和记录媒体驱动器 | |
CN1145933C (zh) | 写/读头支撑机构以及写/读系统 | |
CN100341049C (zh) | 精确定位致动器的制造方法 | |
CN1308923C (zh) | 用于头元件的精确定位致动器及其头万向架组件和盘驱动设备 | |
CN1273959C (zh) | 具有准确定位致动器的磁头万向架组件及具有该组件的磁盘驱动装置 | |
CN1257489C (zh) | 具有精确定位致动器的磁头悬置装配体及其制造方法 | |
CN1347078A (zh) | 磁头致动件及相关万向架组件、其制法及相关磁盘驱动器 | |
CN1828727A (zh) | 微驱动器及其磁头折片组合和磁盘驱动单元 | |
CN1967663A (zh) | 薄膜压电微驱动器及其磁头折片组合和磁盘驱动单元 | |
CN1797550A (zh) | 微驱动器、减振器、磁头折片组合及其磁盘驱动单元 | |
CN1232952C (zh) | 改进微驱动机构安装到磁头滑块装置上的设备和方法 | |
JP4227365B2 (ja) | マイクロアクチュエータ付きヘッドアセンブリ | |
CN1695179A (zh) | 将微致动器连接至驱动器臂悬架的方法和装置 | |
CN1142544C (zh) | 写/读头支撑机构以及写/读系统 | |
US7501740B2 (en) | Microscale driving unit and recording disk drive | |
CN1294592C (zh) | 用于磁性硬盘驱动器的微致动器、系统和封装方法 | |
CN1905012A (zh) | 具有微驱动器的磁头折片组合及其磁盘驱动装置 | |
CN1941085A (zh) | 具有防止电火花产生结构的微驱动器及其磁头折片组合、磁盘驱动单元以及制造方法 | |
CN1819032A (zh) | 磁头装置 | |
CN1758342A (zh) | 磁头折片组合、磁盘驱动器及其飞行高度调节方法及系统 | |
CN1920958A (zh) | 用于磁盘驱动器的微驱动器及磁头折片组合 | |
CN101051511A (zh) | 微致动器、微致动器悬臂件及磁头折片组合 | |
Wang et al. | Deflection characteristics of a trapezoidal multilayer in-plane bending piezoelectric actuator | |
CN101034557A (zh) | 旋转型压电微驱动器及其磁头折片组合及磁盘驱动单元 | |
CN1770268A (zh) | 微驱动器、使用该微驱动器的磁头折片组合以及磁盘驱动器 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: TOSHIBA STORAGE DEVICE CO., LTD. Free format text: FORMER OWNER: FUJITSU LIMITED Effective date: 20091204 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20091204 Address after: Tokyo, Japan Patentee after: Fujitsu Ltd. Address before: Kanagawa, Japan Patentee before: Fujitsu Ltd. |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070321 Termination date: 20100314 |