DE60128964D1 - Piezoelektrisches stellglied und informationsspeichereinrichtung - Google Patents
Piezoelektrisches stellglied und informationsspeichereinrichtungInfo
- Publication number
- DE60128964D1 DE60128964D1 DE60128964T DE60128964T DE60128964D1 DE 60128964 D1 DE60128964 D1 DE 60128964D1 DE 60128964 T DE60128964 T DE 60128964T DE 60128964 T DE60128964 T DE 60128964T DE 60128964 D1 DE60128964 D1 DE 60128964D1
- Authority
- DE
- Germany
- Prior art keywords
- storage device
- information storage
- piezoelectric actuator
- piezoelectric
- actuator
- 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.)
- Expired - Lifetime
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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/02—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing linear motion, e.g. actuators; Linear positioners ; Linear motors
- H02N2/04—Constructional details
- H02N2/043—Mechanical transmission means, e.g. for stroke amplification
- H02N2/046—Mechanical transmission means, e.g. for stroke amplification for conversion into rotary motion
-
- 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
- G11B5/4826—Mounting, aligning or attachment of the transducer head relative to the arm assembly, e.g. slider holding members, gimbals, adhesive
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2001/003351 WO2002087063A1 (fr) | 2001-04-19 | 2001-04-19 | Actionneur piezo-electrique et memoire informatique |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60128964D1 true DE60128964D1 (de) | 2007-07-26 |
DE60128964T2 DE60128964T2 (de) | 2007-09-20 |
Family
ID=11737261
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60128964T Expired - Lifetime DE60128964T2 (de) | 2001-04-19 | 2001-04-19 | Piezoelektrisches stellglied und informationsspeichereinrichtung |
Country Status (6)
Country | Link |
---|---|
US (1) | US7352538B2 (de) |
EP (1) | EP1381146B1 (de) |
JP (1) | JP4088531B2 (de) |
KR (1) | KR100718174B1 (de) |
DE (1) | DE60128964T2 (de) |
WO (1) | WO2002087063A1 (de) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1294592C (zh) * | 2002-05-31 | 2007-01-10 | 新科实业有限公司 | 用于磁性硬盘驱动器的微致动器、系统和封装方法 |
JP4150000B2 (ja) | 2002-12-27 | 2008-09-17 | 富士通株式会社 | 微小駆動ユニットおよび記録媒体駆動装置 |
US7345851B2 (en) * | 2004-08-26 | 2008-03-18 | Hitachi Global Storage Technologies Netherlands B.V. | Disk drive with rotary piezoelectric microactuator |
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 |
US7466520B2 (en) * | 2004-10-07 | 2008-12-16 | Seagate Technology Llc | Co-located microactuator lever assembly |
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 |
US8756776B1 (en) | 2005-12-09 | 2014-06-24 | Western Digital Technologies, Inc. | Method for manufacturing a disk drive microactuator that includes a piezoelectric element and a peripheral encapsulation layer |
US7796363B2 (en) * | 2006-05-25 | 2010-09-14 | Sae Magnetics (H.K.) Ltd. | PZT element, head gimbal assembly, and disk drive unit with same |
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 |
JP4840788B2 (ja) * | 2007-10-05 | 2011-12-21 | 東芝ストレージデバイス株式会社 | マイクロアクチュエータ装置並びにヘッドサスペンションアセンブリおよび記憶媒体駆動装置 |
US8643980B1 (en) | 2008-12-15 | 2014-02-04 | Western Digital (Fremont), Llc | Micro-actuator enabling single direction motion of a magnetic disk drive head |
JP5869200B2 (ja) * | 2009-12-21 | 2016-02-24 | 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 |
US8264797B2 (en) * | 2009-12-21 | 2012-09-11 | Western Digital (Fremont), Llc | Head gimbal assembly having a radial rotary piezoelectric microactuator between a read head and a flexure tongue |
US8310790B1 (en) * | 2011-06-11 | 2012-11-13 | Nhk Spring Co., Ltd | Remote drive rotary head dual stage actuator |
US8446694B1 (en) | 2011-06-14 | 2013-05-21 | Western Digital Technologies, Inc. | Disk drive head suspension assembly with embedded in-plane actuator at flexure tongue |
US8593764B1 (en) | 2011-06-14 | 2013-11-26 | Western Digital Technologies, Inc. | Method for fine actuation of a head during operation of a disk drive |
US8295012B1 (en) | 2011-06-14 | 2012-10-23 | Western Digital Technologies, Inc. | Disk drive suspension assembly with rotary fine actuator at flexure tongue |
JP5931624B2 (ja) * | 2012-07-19 | 2016-06-08 | 日本発條株式会社 | ディスク装置用サスペンション |
JP5931623B2 (ja) * | 2012-07-19 | 2016-06-08 | 日本発條株式会社 | ディスク装置用サスペンション |
JP5931622B2 (ja) * | 2012-07-19 | 2016-06-08 | 日本発條株式会社 | ディスク装置用サスペンション |
JP5931625B2 (ja) * | 2012-07-19 | 2016-06-08 | 日本発條株式会社 | ディスク装置用サスペンション |
US8891206B2 (en) * | 2012-12-17 | 2014-11-18 | Hutchinson Technology Incorporated | Co-located gimbal-based dual stage actuation disk drive suspensions with motor stiffener |
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 |
US8797691B1 (en) | 2013-05-21 | 2014-08-05 | Western Digital Technologies, Inc. | Disk drive head suspension with a single piezoelectric element adhered to rotary-actuated and non-actuated portions of a structural layer of a tongue of a laminated flexure |
US9431041B1 (en) * | 2014-02-17 | 2016-08-30 | Magnecomp Corporation | Comb structure for a disk drive suspension piezoelectric microactuator operating in the D33 mode, and method of manufacturing the same |
US9786831B1 (en) | 2016-01-27 | 2017-10-10 | Magnecomp Corporation | Suspension having a stacked D33 mode PZT actuator with constraint layer |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3841416A1 (de) * | 1987-12-09 | 1989-07-13 | Max Co Ltd | Vorrichtung zur vergroesserung sehr kleiner verschiebungen und druckkopf unter verwendung dieser vorrichtung |
JPH0310355A (ja) | 1989-06-07 | 1991-01-17 | Fuji Electric Co Ltd | 共通バス優先制御方法 |
JPH0310355U (de) * | 1989-06-12 | 1991-01-31 | ||
US5764444A (en) * | 1991-07-23 | 1998-06-09 | Fujitsu Limited | Mechanism for minute movement of a head |
JPH07136888A (ja) * | 1993-11-24 | 1995-05-30 | Mitsutoyo Corp | 精密位置決め装置の変位拡大機構 |
JPH08255323A (ja) * | 1995-03-15 | 1996-10-01 | Mitsumi Electric Co Ltd | 磁気ヘッド用ジンバル |
US6246552B1 (en) * | 1996-10-31 | 2001-06-12 | Tdk Corporation | Read/write head including displacement generating means that elongates and contracts by inverse piezoelectric effect of electrostrictive effect |
JPH1153854A (ja) * | 1997-08-05 | 1999-02-26 | Hitachi Ltd | ヘッド支持機構とそれを備えた磁気ディスク装置 |
JP3002984B1 (ja) * | 1998-09-24 | 2000-01-24 | セイコーインスツルメンツ株式会社 | 微小駆動装置および微小位置決め装置および記憶装置 |
US6233124B1 (en) * | 1998-11-18 | 2001-05-15 | Seagate Technology Llc | Piezoelectric microactuator suspension assembly with improved stroke length |
JP3543935B2 (ja) * | 1999-04-15 | 2004-07-21 | 株式会社日立国際電気 | 顕微鏡用z軸微動機構 |
KR100601607B1 (ko) * | 1999-06-02 | 2006-07-14 | 삼성전자주식회사 | 디스크 드라이브의 헤드 서스펜션 조립체 |
JP2000348451A (ja) * | 1999-06-03 | 2000-12-15 | Tdk Corp | 磁気ヘッド装置及び該装置の製造方法 |
US6239953B1 (en) * | 1999-10-15 | 2001-05-29 | Magnecomp Corp. | Microactuated disk drive suspension with heightened stroke sensitivity |
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 |
-
2001
- 2001-04-19 KR KR1020037012590A patent/KR100718174B1/ko not_active IP Right Cessation
- 2001-04-19 EP EP01921910A patent/EP1381146B1/de not_active Expired - Lifetime
- 2001-04-19 JP JP2002584463A patent/JP4088531B2/ja not_active Expired - Fee Related
- 2001-04-19 WO PCT/JP2001/003351 patent/WO2002087063A1/ja active IP Right Grant
- 2001-04-19 DE DE60128964T patent/DE60128964T2/de not_active Expired - Lifetime
-
2003
- 2003-10-16 US US10/687,404 patent/US7352538B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP4088531B2 (ja) | 2008-05-21 |
KR100718174B1 (ko) | 2007-05-15 |
EP1381146B1 (de) | 2007-06-13 |
EP1381146A1 (de) | 2004-01-14 |
EP1381146A4 (de) | 2006-03-15 |
US20040120081A1 (en) | 2004-06-24 |
WO2002087063A1 (fr) | 2002-10-31 |
DE60128964T2 (de) | 2007-09-20 |
KR20030092025A (ko) | 2003-12-03 |
JPWO2002087063A1 (ja) | 2004-08-12 |
US7352538B2 (en) | 2008-04-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8328 | Change in the person/name/address of the agent |
Representative=s name: SEEGER SEEGER LINDNER PARTNERSCHAFT PATENTANWAELTE |