GB2029092B - Piezo-electric oscillator assembly - Google Patents

Piezo-electric oscillator assembly

Info

Publication number
GB2029092B
GB2029092B GB7924513A GB7924513A GB2029092B GB 2029092 B GB2029092 B GB 2029092B GB 7924513 A GB7924513 A GB 7924513A GB 7924513 A GB7924513 A GB 7924513A GB 2029092 B GB2029092 B GB 2029092B
Authority
GB
United Kingdom
Prior art keywords
oscillator
piezo
electrode
oscillator assembly
electric oscillator
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB7924513A
Other versions
GB2029092A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SUKA SEIKOSHA KK
Matsushima Kogyo KK
Original Assignee
SUKA SEIKOSHA KK
Matsushima Kogyo 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 SUKA SEIKOSHA KK, Matsushima Kogyo KK filed Critical SUKA SEIKOSHA KK
Publication of GB2029092A publication Critical patent/GB2029092A/en
Application granted granted Critical
Publication of GB2029092B publication Critical patent/GB2029092B/en
Expired legal-status Critical Current

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
    • H03H9/05—Holders; Supports
    • H03H9/10—Mounting in enclosures
    • H03H9/1007—Mounting in enclosures for bulk acoustic wave [BAW] devices
    • H03H9/1035—Mounting in enclosures for bulk acoustic wave [BAW] devices the enclosure being defined by two sealing substrates sandwiching the piezoelectric layer of the BAW device
    • 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
    • H03H9/05—Holders; Supports
    • H03H9/0595—Holders; Supports the holder support and resonator being formed in one body

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)

Abstract

An oscillator assembly comprising a piezo-electric oscillator member (10) having a tuning fork portion (10a) the base (10d) of which is integral with a frame portion (10e) which extends around the tuning fork portion (10a); two plates or box-shaped containers (8, 9) between which the oscillator member (10) is sandwiched; and an electrode (10g) (not visible) which has been provided on (the underside of) the oscillator member (10) and which is connected through a through-hole (13) in the said frame portion (10e) to an external electrode (16b). The other oscillator electrode (10f) directly contacts the other external electrode (16a) on the case (9). The through-hole (13) may be at the frame edge or spaced therefrom. The case may also have through-holes, when the electrodes are on outer surfaces. <IMAGE>
GB7924513A 1978-07-14 1979-07-13 Piezo-electric oscillator assembly Expired GB2029092B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8587778A JPS5513553A (en) 1978-07-14 1978-07-14 Crystal vibrator

Publications (2)

Publication Number Publication Date
GB2029092A GB2029092A (en) 1980-03-12
GB2029092B true GB2029092B (en) 1983-01-26

Family

ID=13871121

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7924513A Expired GB2029092B (en) 1978-07-14 1979-07-13 Piezo-electric oscillator assembly

Country Status (6)

Country Link
JP (1) JPS5513553A (en)
CH (1) CH632391B (en)
GB (1) GB2029092B (en)
HK (1) HK49484A (en)
MY (1) MY8500386A (en)
SG (1) SG1184G (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH626479A5 (en) * 1979-07-05 1981-11-13 Suisse Horlogerie
CH625372A5 (en) * 1979-07-06 1981-09-15 Ebauchesfabrik Eta Ag
JPS5669917A (en) * 1979-11-12 1981-06-11 Seiko Instr & Electronics Ltd Extremely thin quartz oscillator
JPS5791015A (en) * 1980-11-27 1982-06-07 Seiko Instr & Electronics Ltd Small-sized quartz oscillator of profile oscillation mode
CH655423GA3 (en) * 1984-02-15 1986-04-30
US4639631A (en) * 1985-07-01 1987-01-27 Motorola, Inc. Electrostatically sealed piezoelectric device
KR0158469B1 (en) * 1992-10-15 1999-03-20 모리시타 요이찌 Oscillator
JPH07106905A (en) * 1993-10-06 1995-04-21 Matsushita Electric Ind Co Ltd Oscillator
US5861705A (en) * 1994-11-01 1999-01-19 Fujitsu Limited Tuning-fork vibratory gyro and sensor system using the same
JP3392959B2 (en) * 1994-11-01 2003-03-31 富士通株式会社 Tuning fork vibrating gyroscope and sensor system using the same
JPH09246904A (en) * 1996-03-14 1997-09-19 Citizen Watch Co Ltd Surface mounted crystal resonator
JP4434537B2 (en) 2001-08-27 2010-03-17 パナソニック株式会社 Piezoelectric functional parts
JP5078512B2 (en) * 2007-09-06 2012-11-21 日本電波工業株式会社 Crystal device
JP5113870B2 (en) * 2009-08-27 2013-01-09 日本電波工業株式会社 Manufacturing method of surface mount crystal unit

Also Published As

Publication number Publication date
JPS5513553A (en) 1980-01-30
HK49484A (en) 1984-06-22
SG1184G (en) 1985-02-15
CH632391B (en)
MY8500386A (en) 1985-12-31
JPS6125249B2 (en) 1986-06-14
GB2029092A (en) 1980-03-12
CH632391GA3 (en) 1982-10-15

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 19990712