CH655224GA3 - - Google Patents

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Publication number
CH655224GA3
CH655224GA3 CH174384A CH174384A CH655224GA3 CH 655224G A3 CH655224G A3 CH 655224GA3 CH 174384 A CH174384 A CH 174384A CH 174384 A CH174384 A CH 174384A CH 655224G A3 CH655224G A3 CH 655224GA3
Authority
CH
Switzerland
Prior art keywords
resonator
auxiliary
zone
electrodes
vibration
Prior art date
Application number
CH174384A
Other languages
French (fr)
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 filed Critical
Priority to CH174384A priority Critical patent/CH655224GA3/fr
Priority to US06/706,830 priority patent/US4618798A/en
Priority to DE8585104023T priority patent/DE3561774D1/en
Priority to EP85104023A priority patent/EP0158926B1/en
Priority to JP60070150A priority patent/JPS60229516A/en
Publication of CH655224GA3 publication Critical patent/CH655224GA3/fr

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
    • H03H9/15—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
    • 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
    • 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

Abstract

A resonator (1) is described for vibrating in a thickness-shear mode and has auxiliary electrodes (7f, 8d) between the zone of its main excitation electrodes (3, 4) and the zone of its connection terminals (5, 6) to generate an auxiliary vibration in opposition of phase with respect to the main vibration. The presence of the auxiliary electrodes (7f, 8d) improves notably the quality factor of the resonator.
CH174384A 1984-04-06 1984-04-06 CH655224GA3 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CH174384A CH655224GA3 (en) 1984-04-06 1984-04-06
US06/706,830 US4618798A (en) 1984-04-06 1985-02-28 Resonator vibrating in a thickness-shear mode
DE8585104023T DE3561774D1 (en) 1984-04-06 1985-04-03 Thickness-shearing mode vibrator
EP85104023A EP0158926B1 (en) 1984-04-06 1985-04-03 Thickness-shearing mode vibrator
JP60070150A JPS60229516A (en) 1984-04-06 1985-04-04 Resonator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH174384A CH655224GA3 (en) 1984-04-06 1984-04-06

Publications (1)

Publication Number Publication Date
CH655224GA3 true CH655224GA3 (en) 1986-04-15

Family

ID=4217541

Family Applications (1)

Application Number Title Priority Date Filing Date
CH174384A CH655224GA3 (en) 1984-04-06 1984-04-06

Country Status (5)

Country Link
US (1) US4618798A (en)
EP (1) EP0158926B1 (en)
JP (1) JPS60229516A (en)
CH (1) CH655224GA3 (en)
DE (1) DE3561774D1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0459631B1 (en) * 1990-04-27 1998-08-12 Seiko Epson Corporation AT-cut crystal oscillating element and method of making the same

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2635199A (en) * 1948-01-08 1953-04-14 John M Wolfskill Piezoelectric crystal apparatus
GB2020898A (en) * 1978-04-05 1979-11-21 Citizen Watch Co Ltd Piezoelectric vibrator
DE2939844A1 (en) * 1978-12-21 1980-07-10 Seiko Instr & Electronics QUARTZ SWINGER
DE3220032A1 (en) * 1981-05-29 1982-12-16 Kabushiki Kaisha Daini Seikosha, Tokyo SWING QUARTZ
EP0099604A2 (en) * 1982-07-16 1984-02-01 Philips Electronics Uk Limited Piezo-electric resonator or filter

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5173395A (en) * 1974-12-20 1976-06-25 Seiko Instr & Electronics at katsutosuishoshindoshi
JPS5253690A (en) * 1975-10-28 1977-04-30 Seiko Instr & Electronics Ltd Thickness sliding crystal vibrator
JPS5818808B2 (en) * 1975-10-28 1983-04-14 セイコーインスツルメンツ株式会社 Atsumisuberisuishiyoushindoushi
JPS52127194A (en) * 1976-04-19 1977-10-25 Seiko Instr & Electronics Ltd Crystal vibrator
IT1078411B (en) * 1977-04-08 1985-05-08 Telettra Lab Telefon QUARTZ RESONERS
US4149102A (en) * 1977-10-31 1979-04-10 Motorola, Inc. Piezoelectric monolithic crystal element having improved response
FR2464595A1 (en) * 1979-08-31 1981-03-06 Ebauches Sa METHOD FOR DETECTING THE ASYMMETRY OF DIAPASON-SHAPED PIEZOELECTRIC CRYSTAL RESONATORS AND RESONATORS FOR ITS IMPLEMENTATION
JPS5910016A (en) * 1982-07-07 1984-01-19 Fujitsu Ltd Piezoelectric oscillating element

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2635199A (en) * 1948-01-08 1953-04-14 John M Wolfskill Piezoelectric crystal apparatus
GB2020898A (en) * 1978-04-05 1979-11-21 Citizen Watch Co Ltd Piezoelectric vibrator
DE2939844A1 (en) * 1978-12-21 1980-07-10 Seiko Instr & Electronics QUARTZ SWINGER
DE3220032A1 (en) * 1981-05-29 1982-12-16 Kabushiki Kaisha Daini Seikosha, Tokyo SWING QUARTZ
EP0099604A2 (en) * 1982-07-16 1984-02-01 Philips Electronics Uk Limited Piezo-electric resonator or filter

Also Published As

Publication number Publication date
DE3561774D1 (en) 1988-04-07
US4618798A (en) 1986-10-21
EP0158926B1 (en) 1988-03-02
JPS60229516A (en) 1985-11-14
EP0158926A1 (en) 1985-10-23

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