MY108578A - Piezoelectric oscillator. - Google Patents

Piezoelectric oscillator.

Info

Publication number
MY108578A
MY108578A MYPI90002108A MYPI19902108A MY108578A MY 108578 A MY108578 A MY 108578A MY PI90002108 A MYPI90002108 A MY PI90002108A MY PI19902108 A MYPI19902108 A MY PI19902108A MY 108578 A MY108578 A MY 108578A
Authority
MY
Malaysia
Prior art keywords
piezoelectric oscillator
axial direction
length
electrodes
thick
Prior art date
Application number
MYPI90002108A
Inventor
Yanagi Hirofumi
Sugita Mitsuyuki
Hoshino Isamu
Original Assignee
Seiko Precision Kk
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 Seiko Precision Kk filed Critical Seiko Precision Kk
Publication of MY108578A publication Critical patent/MY108578A/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/125—Driving means, e.g. electrodes, coils
    • H03H9/13—Driving means, e.g. electrodes, coils for networks consisting of piezoelectric or electrostrictive materials
    • H03H9/132—Driving means, e.g. electrodes, coils for networks consisting of piezoelectric or electrostrictive materials characterized by a particular shape
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
    • H03H9/17—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator
    • H03H9/19—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator consisting of quartz
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/02007—Details of bulk acoustic wave devices
    • H03H9/02062—Details relating to the vibration mode
    • H03H9/0207—Details relating to the vibration mode the vibration mode being harmonic

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)

Abstract

A THIRD OVERTONE PIEZOELECTRIC OSCILLATOR CHARACTERIZED BY PROVIDING TRANSVERSALLY LONG DRIVING ELECTRODES IN THE Z' AXIAL DIRECTION ON BOTH MAIN SURFACES OF A THICK-SHEAR MODE PIEZOELECTRIC OSCILLATOR. THE LENGTH L OF THE Z' AXIAL DIRECTION OF THE ELECTRODES, THE LENGTH W OF THE X AXIAL DIRECTION THEREOF, AND THE DIAMETER D OF THE PIEZOELECTRIC OSCILLATOR ARE THE FORMED IN THE FOLLOWING RELATION.W < D/3 AND 0.5D < L < 2D/3. (FIG.1)
MYPI90002108A 1989-11-30 1990-11-29 Piezoelectric oscillator. MY108578A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1311838A JP2813996B2 (en) 1989-11-30 1989-11-30 3rd overtone AT-cut crystal unit

Publications (1)

Publication Number Publication Date
MY108578A true MY108578A (en) 1996-10-31

Family

ID=18022010

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI90002108A MY108578A (en) 1989-11-30 1990-11-29 Piezoelectric oscillator.

Country Status (5)

Country Link
JP (1) JP2813996B2 (en)
KR (1) KR940005377B1 (en)
GB (1) GB2238907B (en)
MY (1) MY108578A (en)
SG (1) SG26350G (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE0300375D0 (en) * 2003-02-12 2003-02-12 Attana Ab Piezoelectric resonator
WO2009020022A1 (en) * 2007-08-03 2009-02-12 Daishinku Corporation Piezoelectric vibrator
CN108123694A (en) * 2018-01-03 2018-06-05 宁波大红鹰学院 A kind of piezoelectric thin film vibrator of Electrode Optimum Design

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB928955A (en) * 1960-11-08 1963-06-19 Gen Electric Co Ltd Improvements in or relating to electric filter networks
JPS5229908B2 (en) * 1971-11-17 1977-08-04
DE2641571B1 (en) * 1976-09-15 1977-06-08 Siemens Ag THICK SHEAR VIBRATORS USED AS OBSERVE QUARTZ
JPS54131894A (en) * 1978-04-05 1979-10-13 Citizen Watch Co Ltd Piezoelectric oscillator
JPS6013608B2 (en) * 1979-03-12 1985-04-08 株式会社精工舎 Thickness sliding piezoelectric vibrator
US4375604A (en) * 1981-02-27 1983-03-01 The United States Of America As Represented By The Secretary Of The Army Method of angle correcting doubly rotated crystal resonators
EP0220320B1 (en) * 1985-04-11 1996-08-28 Toyo Communication Equipment Co.,Ltd. Piezo-electric resonator for generating overtones
JPS63284920A (en) * 1987-05-16 1988-11-22 Nippon Dempa Kogyo Co Ltd Piezoelectric oscillator

Also Published As

Publication number Publication date
GB2238907A (en) 1991-06-12
SG26350G (en) 1995-09-18
KR910010839A (en) 1991-06-29
JP2813996B2 (en) 1998-10-22
GB9025626D0 (en) 1991-01-09
JPH03172011A (en) 1991-07-25
KR940005377B1 (en) 1994-06-17
GB2238907B (en) 1993-05-26

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