WO2009054274A1 - 超音波アクチュエータ、及び磁気記録装置 - Google Patents
超音波アクチュエータ、及び磁気記録装置 Download PDFInfo
- Publication number
- WO2009054274A1 WO2009054274A1 PCT/JP2008/068466 JP2008068466W WO2009054274A1 WO 2009054274 A1 WO2009054274 A1 WO 2009054274A1 JP 2008068466 W JP2008068466 W JP 2008068466W WO 2009054274 A1 WO2009054274 A1 WO 2009054274A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- ultrasonic actuator
- contact portion
- vibrator
- magnetic recorder
- contacted
- Prior art date
Links
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 239000003349 gelling agent Substances 0.000 abstract 1
- 239000000314 lubricant Substances 0.000 abstract 1
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
- H02N2/0005—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
-
- 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
- G11B5/5569—Track change, selection or acquisition by displacement of the head across disk tracks details of specially adapted mobile parts, e.g. electromechanical control devices
-
- 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
- H02N2/001—Driving devices, e.g. vibrators
- H02N2/003—Driving devices, e.g. vibrators using longitudinal or radial modes combined with bending modes
-
- 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
- H02N2/10—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing rotary motion, e.g. rotary motors
- H02N2/103—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing rotary motion, e.g. rotary motors by pressing one or more vibrators against the rotor
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/20—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators
- H10N30/202—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators using longitudinal or thickness displacement combined with bending, shear or torsion displacement
- H10N30/2023—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators using longitudinal or thickness displacement combined with bending, shear or torsion displacement having polygonal or rectangular shape
Landscapes
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
- Moving Of Heads (AREA)
Abstract
装置の複雑化と高価格化を招くことなく、優れた駆動性能を維持しつつ高い耐久性能を得ることが可能な超音波アクチュエータ、及び磁気記録装置を提供する。かかる超音波アクチュエータは、所定の振動を行う当接部を有する振動体と、当接部に加圧接触される被当接部を有して当接部の振動により、振動体に対して相対移動を生じる移動体と、を備えた超音波アクチュエータにおいて、振動体の当接部と移動体の被当接部との間には、ゲル化剤を配合した潤滑剤が介在されている。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009538077A JP5277467B2 (ja) | 2007-10-25 | 2008-10-10 | 超音波アクチュエータ、及び磁気記録装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007-277392 | 2007-10-25 | ||
JP2007277392 | 2007-10-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009054274A1 true WO2009054274A1 (ja) | 2009-04-30 |
Family
ID=40579379
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2008/068466 WO2009054274A1 (ja) | 2007-10-25 | 2008-10-10 | 超音波アクチュエータ、及び磁気記録装置 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP5277467B2 (ja) |
WO (1) | WO2009054274A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8550885B2 (en) | 2009-12-21 | 2013-10-08 | Hitachi Koki Co., Ltd. | Grinder having mechanism for regulating rotation of wheel guard |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5760339B2 (ja) * | 2010-07-01 | 2015-08-05 | 株式会社豊田自動織機 | 振動アクチュエータ |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0322886A (ja) * | 1989-06-19 | 1991-01-31 | Toshiba Corp | 静電アクチュエータ |
JPH04285478A (ja) * | 1991-03-11 | 1992-10-09 | Toshiba Corp | 静電モ−タ |
JPH1180765A (ja) * | 1997-09-04 | 1999-03-26 | Matsushita Electric Ind Co Ltd | 接点潤滑剤および小型モータ |
JP2002165470A (ja) * | 2000-11-24 | 2002-06-07 | Kubota Corp | 超音波モータ |
JP2004048984A (ja) * | 2002-05-21 | 2004-02-12 | Seiko Instruments Inc | 圧電アクチュエータ及び圧電アクチュエータを備えた電子機器 |
JP2004180493A (ja) * | 2002-11-13 | 2004-06-24 | Nikon Corp | 振動アクチュエータ装置 |
-
2008
- 2008-10-10 JP JP2009538077A patent/JP5277467B2/ja not_active Expired - Fee Related
- 2008-10-10 WO PCT/JP2008/068466 patent/WO2009054274A1/ja active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0322886A (ja) * | 1989-06-19 | 1991-01-31 | Toshiba Corp | 静電アクチュエータ |
JPH04285478A (ja) * | 1991-03-11 | 1992-10-09 | Toshiba Corp | 静電モ−タ |
JPH1180765A (ja) * | 1997-09-04 | 1999-03-26 | Matsushita Electric Ind Co Ltd | 接点潤滑剤および小型モータ |
JP2002165470A (ja) * | 2000-11-24 | 2002-06-07 | Kubota Corp | 超音波モータ |
JP2004048984A (ja) * | 2002-05-21 | 2004-02-12 | Seiko Instruments Inc | 圧電アクチュエータ及び圧電アクチュエータを備えた電子機器 |
JP2004180493A (ja) * | 2002-11-13 | 2004-06-24 | Nikon Corp | 振動アクチュエータ装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8550885B2 (en) | 2009-12-21 | 2013-10-08 | Hitachi Koki Co., Ltd. | Grinder having mechanism for regulating rotation of wheel guard |
Also Published As
Publication number | Publication date |
---|---|
JP5277467B2 (ja) | 2013-08-28 |
JPWO2009054274A1 (ja) | 2011-03-03 |
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