KR900004051A - 압전소자 및 압전소자를 사용한 변환장치 - Google Patents

압전소자 및 압전소자를 사용한 변환장치 Download PDF

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Publication number
KR900004051A
KR900004051A KR1019890012545A KR890012545A KR900004051A KR 900004051 A KR900004051 A KR 900004051A KR 1019890012545 A KR1019890012545 A KR 1019890012545A KR 890012545 A KR890012545 A KR 890012545A KR 900004051 A KR900004051 A KR 900004051A
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South Korea
Prior art keywords
electrode
piezoelectric element
ferroelectric liquid
liquid crystal
alignment layer
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KR1019890012545A
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English (en)
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KR930001568B1 (ko
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마사노리 후지다
신이찌 오까모도
히로가즈 오오노
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요꼬야마 유우이찌
가부시끼가이샤 세이꼬오샤
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    • 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
    • H02N2/16—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing rotary motion, e.g. rotary motors using travelling waves, i.e. Rayleigh surface waves
    • H02N2/163—Motors with ring stator
    • 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
    • H02N2/0045—Driving devices, e.g. vibrators using longitudinal or radial modes combined with torsion or shear 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
    • H10N30/206—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators using only longitudinal or thickness displacement, e.g. d33 or d31 type devices
    • 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
    • H10N30/30—Piezoelectric or electrostrictive devices with mechanical input and electrical output, e.g. functioning as generators or sensors
    • H10N30/302—Sensors
    • 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
    • H10N30/80—Constructional details
    • H10N30/85—Piezoelectric or electrostrictive active materials
    • H10N30/857—Macromolecular compositions

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  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
  • Liquid Crystal (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)

Abstract

내용 없음

Description

압전소자 및 압전소자를 사용한 변화장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제 1도는 본 발명의 압소소자의 1예를 도시한 단면도.
제 2도~제 3도는 실험에 희한 압전소자의 압전특성의 1예를 도시한 특성도.

Claims (14)

  1. 제 1의 전극과, 이 제 1의 전극과 대항한 제 2의 전극과, 상기 제1의전극과 제2의 전극간에 개재한 강유전성 액정과, 상기 제1의 전극 및/또는 제2의전극과 상기 강유전성 액정간에 형성된 배향층으로 이루어지는 것을 특징으로 하는 압전소자.
  2. 제 1항에 있어서, 상기 배향층이 호모지니어스 배향처리된 것을 특지으로 하는 압전소자.
  3. 제 2항에 있어서, 상기 배향층이 서로평행 또는 반대평행을 어긋나게 하여 호모지니어스 배향처리된 것을 특정으로 하는 압전소자.
  4. 제 1항 내지 제 3항중 어느 한항에 있어서, 상기 제 1의 전극과 상기 강유전성 액정간에 형성된 배향층과, 상기 제 2의 전극과 상기 강유전성 액정간에 형성된 배향층이 서로 다른 재료에 의해 형성된 것을 특징으로 하는 압전소자.
  5. 제 1항 내지 제 4항중 어느 한항에 있어서, 상기 제 1의 전극과 상기 강유전성 액정간에 형성된 배향층은, 장기 강유전성 액정의 자발분극을 흡인하는 것이며, 상기 제 2의 전극과 상기 강유전성 액정간에 형성된 배향층이 상기 강유전성 액정의 자발분극을 반발하는 것임을 특징으로 하는 압전소자.
  6. 제 1항 내지 제 5항중 어느 한항에 있어서, 상기 배향층이 스트롱래빙법에 의한 호모지니어스 배향처리되어 있는 것을 특징으로 하는 압전소자.
  7. 제 1항 내지 제 6항중 어느 한항 기재와 압전소자와, 상기 제 1의 전극 및/또는 제 2의 전극에 전기신호를 공급하는 전기신호 발생수단을 가진 것을 특징으로 하는 압전소자.
  8. 제 1항 내지 제 6항중 어느 한항 기재와 압전소자를 전기적 에너지를 기계적 에너지로 변환하는 전기 기계 변환 수단으로서 사용한 것을 특징으로 하는 전기기계 변화장치.
  9. 제 8항에 있어서, 이 압전소자의 제 1의 전극 및/또는 제 2의 전극에 전기신호를 공급하는 전기신호 발생수단을 설치한 것을 특징으로 하는 전기기계 변환장치.
  10. 제 9항에 있어서, 전기기계 변환장치에 상기 압전소자의 고유진동에 대응하는 공진수단을 설치한 것을 특징으로 하는 전기기계 변환 장치.
  11. 제 9항에 있어서, 전기기계 변환장치에 상기 압전소자의 압전진동을 회전운동으로 변환하는 동력변환 수단을 설치란 것을 특징으로 하는 전기기계 변환장치.
  12. 제 1항 내지 제 6항중 어느 한항 기계의 압전소자와, 상기 제 1의 전극 및/또는 제 2의 전극에 전기신호를 검출하는 전기신호 검출수단을 가진 것을 특징으로 하는 압전장치.
  13. 제 1항 내지 제 6항중 어느 한항 기계의 압전소자를 기계적 에너지를 전기적에너지로 변환하는 기계전기 변환수단으로 사용한 것을 특징으로 하는 기계전기 변환장치.
  14. 제 13항에 있어서, 이 압전소자의 제 1의 전극 및/또는 제 2의 전극의 전기신호를 검출하는 전기신호 검출수단을 설치한 것을 특징으로 하는 기계전기 변환장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019890012545A 1988-08-31 1989-08-31 압전소자 및 압전소자를 사용한 변환장치 KR930001568B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP63-217690 1988-08-31
JP63217690A JP2709318B2 (ja) 1988-08-31 1988-08-31 液晶パネルおよび液晶パネルを用いた変換装置

Publications (2)

Publication Number Publication Date
KR900004051A true KR900004051A (ko) 1990-03-27
KR930001568B1 KR930001568B1 (ko) 1993-03-04

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Country Status (7)

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US (2) US5126614A (ko)
JP (1) JP2709318B2 (ko)
KR (1) KR930001568B1 (ko)
DE (1) DE3928952A1 (ko)
GB (2) GB2222483B (ko)
HK (1) HK45595A (ko)
SG (1) SG26351G (ko)

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KR20130117291A (ko) * 2012-04-18 2013-10-25 부산대학교 산학협력단 압전소자

Also Published As

Publication number Publication date
DE3928952A1 (de) 1990-03-01
JP2709318B2 (ja) 1998-02-04
JPH0264616A (ja) 1990-03-05
KR930001568B1 (ko) 1993-03-04
SG26351G (en) 1995-09-18
US5126614A (en) 1992-06-30
GB2256312A (en) 1992-12-02
GB2222483B (en) 1993-06-09
US5148074A (en) 1992-09-15
GB9216129D0 (en) 1992-09-09
HK45595A (en) 1995-04-07
GB2222483A (en) 1990-03-07
GB8919629D0 (en) 1989-10-11

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