DE2703335C2 - - Google Patents

Info

Publication number
DE2703335C2
DE2703335C2 DE2703335A DE2703335A DE2703335C2 DE 2703335 C2 DE2703335 C2 DE 2703335C2 DE 2703335 A DE2703335 A DE 2703335A DE 2703335 A DE2703335 A DE 2703335A DE 2703335 C2 DE2703335 C2 DE 2703335C2
Authority
DE
Germany
Prior art keywords
axis
quartz
electrodes
thickness
quartz crystal
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 - Fee Related
Application number
DE2703335A
Other languages
German (de)
English (en)
Other versions
DE2703335A1 (de
Inventor
Hirofumi Kawashima
Akira Watanabe
Yasunori Tokio/Tokyo Jp Ebihara
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.)
Seiko Instruments Inc
Original Assignee
Seiko Instruments Inc
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
Priority claimed from JP863676A external-priority patent/JPS5291673A/ja
Priority claimed from JP867176A external-priority patent/JPS5291685A/ja
Priority claimed from JP2293776A external-priority patent/JPS52106286A/ja
Priority claimed from JP2482876A external-priority patent/JPS52108785A/ja
Application filed by Seiko Instruments Inc filed Critical Seiko Instruments Inc
Publication of DE2703335A1 publication Critical patent/DE2703335A1/de
Application granted granted Critical
Publication of DE2703335C2 publication Critical patent/DE2703335C2/de
Granted 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
    • H03H9/46—Filters
    • H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
    • H03H9/56—Monolithic crystal filters
    • 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)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Surgical Instruments (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
DE19772703335 1976-01-29 1977-01-27 Piezoelektrischer schwinger mit dickenscherungsschwingung Granted DE2703335A1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP863676A JPS5291673A (en) 1976-01-29 1976-01-29 Thickness sliding vibrator
JP867176A JPS5291685A (en) 1976-01-29 1976-01-29 Thickness slide crystal vibrator
JP2293776A JPS52106286A (en) 1976-03-03 1976-03-03 Thickness shear crystal oscillator
JP2482876A JPS52108785A (en) 1976-03-08 1976-03-08 Piezo crystal vibrator for perpendicular slip

Publications (2)

Publication Number Publication Date
DE2703335A1 DE2703335A1 (de) 1977-08-04
DE2703335C2 true DE2703335C2 (pt) 1990-03-01

Family

ID=27454990

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19772703335 Granted DE2703335A1 (de) 1976-01-29 1977-01-27 Piezoelektrischer schwinger mit dickenscherungsschwingung

Country Status (6)

Country Link
CH (1) CH625388GA3 (pt)
DE (1) DE2703335A1 (pt)
FR (1) FR2339991A1 (pt)
GB (1) GB1573815A (pt)
HK (1) HK51382A (pt)
SG (1) SG44582G (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2847944A1 (de) * 1978-11-04 1980-05-14 Bosch Gmbh Robert Resonator aus einer piezoelektrischen kristallscheibe
FR2441960A1 (fr) * 1978-11-16 1980-06-13 Suisse Horlogerie Resonateur piezoelectrique travaillant en cisaillement d'epaisseur
NL8202649A (nl) * 1982-07-01 1984-02-01 Philips Nv Temperatuur sensor.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE706099C (de) * 1934-12-11 1941-05-17 Telefunken Gmbh Piezoelektrischer Kristall
US2306909A (en) * 1939-06-09 1942-12-29 Bell Telephone Labor Inc Piezoelectric crystal apparatus
DE2246511C3 (de) * 1971-09-22 1975-11-27 K.K. Suwa Seikosha, Tokio Kristalldrehschwinger
GB1401042A (en) * 1972-05-30 1975-07-16 Suisse Horlogerie Quartz crystal resonator

Also Published As

Publication number Publication date
GB1573815A (en) 1980-08-28
FR2339991B1 (pt) 1982-09-03
SG44582G (en) 1983-02-25
DE2703335A1 (de) 1977-08-04
FR2339991A1 (fr) 1977-08-26
HK51382A (en) 1982-12-03
CH625388GA3 (en) 1981-09-30
CH625388B (fr)

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8126 Change of the secondary classification

Ipc: H03H 9/17

8127 New person/name/address of the applicant

Owner name: SEIKO INSTRUMENTS AND ELECTRONICS LTD., TOKIO, JP

D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee