CH625100GA3 - Electrode arrangement in a crystal oscillator of the tuning-fork type. - Google Patents

Electrode arrangement in a crystal oscillator of the tuning-fork type. Download PDF

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Publication number
CH625100GA3
CH625100GA3 CH1297177A CH1297177A CH625100GA3 CH 625100G A3 CH625100G A3 CH 625100GA3 CH 1297177 A CH1297177 A CH 1297177A CH 1297177 A CH1297177 A CH 1297177A CH 625100G A3 CH625100G A3 CH 625100GA3
Authority
CH
Switzerland
Prior art keywords
electrodes
tuning
crystal plate
crystal oscillator
electrode arrangement
Prior art date
Application number
CH1297177A
Other versions
CH625100B (en
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
Publication of CH625100B publication Critical patent/CH625100B/en
Application filed filed Critical
Publication of CH625100GA3 publication Critical patent/CH625100GA3/en

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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
    • H03H9/21—Crystal tuning forks
    • H03H9/215—Crystal tuning forks consisting of quartz
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F5/00—Apparatus for producing preselected time intervals for use as timing standards
    • G04F5/04—Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses
    • G04F5/06—Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses using piezoelectric resonators
    • G04F5/063—Constructional details

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)

Abstract

The vibrating element (6) consists of an X-cut crystal plate with a rotation of 0 DEG to 10 DEG about the X axis and a rotation of 70 DEG to 90 DEG about the Y' axis. The electrodes are produced by means of photochemical etching techniques. The peripheral outer electrodes (3 and 4) are galvanically connected to side electrodes (7 and 8) over the greatest proportion of their longitudinal dimension. The peripheral electrodes (3, 4) are arranged in parallel with the plane of vibration of the crystal plate and have a width dimension which is equal to or less than the width dimension of the fork tine carrying them; the side electrodes (7, 8) are arranged perpendicular to the plane of vibration of the crystal plate and partially overlap the peripheral electrodes at their common joint. <IMAGE>
CH1297177A 1976-11-04 1977-10-25 Electrode arrangement in a crystal oscillator of the tuning-fork type. CH625100GA3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51132544A JPS5832524B2 (en) 1976-11-04 1976-11-04 Electrode structure of tuning fork crystal resonator

Publications (2)

Publication Number Publication Date
CH625100B CH625100B (en)
CH625100GA3 true CH625100GA3 (en) 1981-09-15

Family

ID=15083751

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1297177A CH625100GA3 (en) 1976-11-04 1977-10-25 Electrode arrangement in a crystal oscillator of the tuning-fork type.

Country Status (3)

Country Link
JP (1) JPS5832524B2 (en)
CH (1) CH625100GA3 (en)
GB (1) GB1571965A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4531073A (en) * 1983-05-31 1985-07-23 Ohaus Scale Corporation Piezoelectric crystal resonator with reduced impedance and sensitivity to change in humidity
JPH0752820B2 (en) * 1990-02-28 1995-06-05 日本電波工業株式会社 Multi-electrode crystal unit
JP3475928B2 (en) 1998-07-24 2003-12-10 セイコーエプソン株式会社 Piezoelectric vibrator and method of manufacturing the same

Also Published As

Publication number Publication date
JPS5832524B2 (en) 1983-07-13
GB1571965A (en) 1980-07-23
JPS5357788A (en) 1978-05-25
CH625100B (en)

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