JP4815670B2 - 弾性表面波アクチュエータ用移動子及びそれを用いた弾性表面波アクチュエータ - Google Patents

弾性表面波アクチュエータ用移動子及びそれを用いた弾性表面波アクチュエータ Download PDF

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Publication number
JP4815670B2
JP4815670B2 JP2001001063A JP2001001063A JP4815670B2 JP 4815670 B2 JP4815670 B2 JP 4815670B2 JP 2001001063 A JP2001001063 A JP 2001001063A JP 2001001063 A JP2001001063 A JP 2001001063A JP 4815670 B2 JP4815670 B2 JP 4815670B2
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JP
Japan
Prior art keywords
acoustic wave
surface acoustic
wave actuator
actuator
moving element
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 - Fee Related
Application number
JP2001001063A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002204586A (ja
JP2002204586A5 (enExample
Inventor
勝彦 浅井
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Corp
Panasonic Holdings Corp
Original Assignee
Panasonic Corp
Matsushita Electric Industrial Co 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 Panasonic Corp, Matsushita Electric Industrial Co Ltd filed Critical Panasonic Corp
Priority to JP2001001063A priority Critical patent/JP4815670B2/ja
Priority to US10/040,899 priority patent/US6710511B2/en
Publication of JP2002204586A publication Critical patent/JP2002204586A/ja
Publication of JP2002204586A5 publication Critical patent/JP2002204586A5/ja
Application granted granted Critical
Publication of JP4815670B2 publication Critical patent/JP4815670B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • 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
    • H02N2/08—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing linear motion, e.g. actuators; Linear positioners ; Linear motors using travelling waves, i.e. Rayleigh surface waves
    • 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
    • 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
    • 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
    • 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
    • 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
    • H02N2/0005—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing non-specific motion; Details common to machines covered by H02N2/02 - H02N2/16
    • H02N2/005—Mechanical details, e.g. housings
    • H02N2/0065—Friction interface

Landscapes

  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
  • Moving Of Heads (AREA)
JP2001001063A 2001-01-09 2001-01-09 弾性表面波アクチュエータ用移動子及びそれを用いた弾性表面波アクチュエータ Expired - Fee Related JP4815670B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2001001063A JP4815670B2 (ja) 2001-01-09 2001-01-09 弾性表面波アクチュエータ用移動子及びそれを用いた弾性表面波アクチュエータ
US10/040,899 US6710511B2 (en) 2001-01-09 2002-01-09 Moving member for surface acoustic wave actuator and surface acoustic wave actuator using same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001001063A JP4815670B2 (ja) 2001-01-09 2001-01-09 弾性表面波アクチュエータ用移動子及びそれを用いた弾性表面波アクチュエータ

Publications (3)

Publication Number Publication Date
JP2002204586A JP2002204586A (ja) 2002-07-19
JP2002204586A5 JP2002204586A5 (enExample) 2007-12-20
JP4815670B2 true JP4815670B2 (ja) 2011-11-16

Family

ID=18869743

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001001063A Expired - Fee Related JP4815670B2 (ja) 2001-01-09 2001-01-09 弾性表面波アクチュエータ用移動子及びそれを用いた弾性表面波アクチュエータ

Country Status (2)

Country Link
US (1) US6710511B2 (enExample)
JP (1) JP4815670B2 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004215389A (ja) * 2002-12-27 2004-07-29 Victor Co Of Japan Ltd 弾性表面波アクチュエータ及び弾性表面波アクチュエータを適用した偏向器
JP2005086916A (ja) * 2003-09-09 2005-03-31 Ind Technol Res Inst 荷重を調整可能な弾性表面波駆動装置
JP2005335979A (ja) * 2004-05-25 2005-12-08 Honda Motor Co Ltd 滑水表面の制御構造
KR100706317B1 (ko) * 2005-01-28 2007-04-13 엘지전자 주식회사 표면 탄성파 선형 모터, 표면 탄성파 선형 모터 패키지 및이를 이용한 렌즈 구동기
JP4623642B2 (ja) * 2005-03-28 2011-02-02 パナソニック電工株式会社 弾性表面波モータ
US10600438B2 (en) 2018-04-18 2020-03-24 Seagate Technology Llc Surface acoustic wave-based sensing and actuation of contamination

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5006749A (en) * 1989-10-03 1991-04-09 Regents Of The University Of California Method and apparatus for using ultrasonic energy for moving microminiature elements
JPH03173365A (ja) * 1989-11-30 1991-07-26 Koganei Ltd 超音波リニアモータおよびそれを用いたスライドテーブル
JP3016577B2 (ja) * 1990-08-03 2000-03-06 キヤノン株式会社 振動波装置
JP3736656B2 (ja) * 1997-04-22 2006-01-18 Ｔｄｋ株式会社 弾性表面波アクチュエータ
JP3630949B2 (ja) 1997-11-06 2005-03-23 独立行政法人科学技術振興機構 弾性表面波モータの駆動装置
JP2000050654A (ja) * 1998-07-28 2000-02-18 Matsushita Electric Ind Co Ltd 弾性表面波モータ及びそれを用いたディスク装置
JP3785862B2 (ja) * 1999-07-26 2006-06-14 松下電器産業株式会社 弾性表面波アクチュエータ
JP2001238473A (ja) * 2000-02-23 2001-08-31 Minolta Co Ltd 弾性表面波モータ

Also Published As

Publication number Publication date
JP2002204586A (ja) 2002-07-19
US20020101131A1 (en) 2002-08-01
US6710511B2 (en) 2004-03-23

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