CH634717B - Resonateur a quartz rectangulaire en coupe at. - Google Patents

Resonateur a quartz rectangulaire en coupe at.

Info

Publication number
CH634717B
CH634717B CH475379A CH475379A CH634717B CH 634717 B CH634717 B CH 634717B CH 475379 A CH475379 A CH 475379A CH 475379 A CH475379 A CH 475379A CH 634717 B CH634717 B CH 634717B
Authority
CH
Switzerland
Prior art keywords
axis
section
quartz resonator
rectangular quartz
rectangular
Prior art date
Application number
CH475379A
Other languages
English (en)
Other versions
CH634717GA3 (fr
Inventor
Naoyuki Echigo
Shiro Yamashita
Tsuneo Kuwabara
Kunihiro Takahashi
Shunichi Motte
Original Assignee
Seiko Instr & Electronics
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 of CH634717B publication Critical patent/CH634717B/fr
Priority claimed from JP6028578A external-priority patent/JPS54151390A/ja
Priority claimed from JP6028478A external-priority patent/JPS54151389A/ja
Application filed by Seiko Instr & Electronics filed Critical Seiko Instr & Electronics
Publication of CH634717GA3 publication Critical patent/CH634717GA3/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
    • H03H9/02—Details
    • H03H9/02007—Details of bulk acoustic wave devices
    • H03H9/02157—Dimensional parameters, e.g. ratio between two dimension parameters, length, width or thickness
    • 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
    • H03H9/02015—Characteristics of piezoelectric layers, e.g. cutting angles
    • H03H9/02023—Characteristics of piezoelectric layers, e.g. cutting angles consisting of quartz

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
CH475379A 1978-05-19 1979-05-21 Resonateur a quartz rectangulaire en coupe at. CH634717B (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP6028578A JPS54151390A (en) 1978-05-19 1978-05-19 Crystal oscillator of rectangular at cut
JP6028478A JPS54151389A (en) 1978-05-19 1978-05-19 Crystal oscillator of rectangular at cut

Publications (2)

Publication Number Publication Date
CH634717B true CH634717B (fr)
CH634717GA3 CH634717GA3 (fr) 1983-02-28

Family

ID=26401356

Family Applications (1)

Application Number Title Priority Date Filing Date
CH475379A CH634717B (fr) 1978-05-19 1979-05-21 Resonateur a quartz rectangulaire en coupe at.

Country Status (5)

Country Link
US (1) US4247797A (fr)
CH (1) CH634717B (fr)
DE (1) DE2920356A1 (fr)
FR (1) FR2426338A1 (fr)
GB (1) GB2021311B (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2043996B (en) * 1978-12-27 1983-09-07 Nihon Dempa Kogyo Co Thickness shear quartz crystal oscillator
DE3004331C2 (de) * 1980-02-06 1983-06-23 Siemens AG, 1000 Berlin und 8000 München Zu Dickenscherungsschwingungen anregbare Resonatorplatte
US4551598A (en) * 1983-09-28 1985-11-05 Stewart-Warner Corporation Illuminated membrane switch
FR2565033B1 (fr) * 1984-05-22 1987-06-05 Labo Electronique Physique Dispositif de transduction ultrasonore a reseau d'elements transducteurs piezoelectriques
FR2589247B1 (fr) * 1985-10-25 1988-06-10 Labo Electronique Physique Appareil d'exploration de milieux par echographie ultrasonore comprenant un reseau d'elements transducteurs piezoelectiques
EP0459631B1 (fr) * 1990-04-27 1998-08-12 Seiko Epson Corporation Elément oscillant coupé selon une direction AT et sa méthode de fabrication
US6469423B2 (en) * 1993-10-18 2002-10-22 Seiko Epson Corporation Rectangular at-cut quartz element, quartz resonator, quartz resonator unit and quartz oscillator, and method of producing quartz element
US5572082A (en) * 1994-11-14 1996-11-05 Sokol; Thomas J. Monolithic crystal strip filter
JP5028061B2 (ja) * 2006-10-05 2012-09-19 日本電波工業株式会社 水晶振動子
JP5883665B2 (ja) * 2012-01-31 2016-03-15 日本電波工業株式会社 水晶振動片及び水晶デバイス

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2306909A (en) * 1939-06-09 1942-12-29 Bell Telephone Labor Inc Piezoelectric crystal apparatus
US2574257A (en) * 1947-01-11 1951-11-06 Cambridge Thermionic Corp Method for manufacturing piezoelectric crystals free of conflicting modes of vibration
US2505121A (en) * 1949-03-04 1950-04-25 James Knights Company Method of finishing crystals
US3311854A (en) * 1962-06-13 1967-03-28 Bell Telephone Labor Inc Single crystal quartz filter elements, transducers and delay lines
US3143672A (en) * 1962-09-14 1964-08-04 Bell Telephone Labor Inc Single crystal quartz filter elements, oscillators and transducers
GB1401042A (en) * 1972-05-30 1975-07-16 Suisse Horlogerie Quartz crystal resonator
US3792294A (en) * 1972-10-19 1974-02-12 Bell Telephone Labor Inc Rectangular at-cut crystal plate
JPS5093793A (fr) * 1973-12-21 1975-07-26
US4167686A (en) * 1973-12-21 1979-09-11 Hitohiro Fukuyo Miniaturized at-cut piezoelectric crystal resonator
JPS5626336Y2 (fr) * 1975-04-08 1981-06-23
US4076987A (en) * 1976-12-10 1978-02-28 Societe Suisse Pour L'industrie Horlogere Management Services S.A. Multiple resonator or filter vibrating in a coupled mode
JPS53131785A (en) * 1977-04-21 1978-11-16 Toshiba Corp Thickness slip vibrator

Also Published As

Publication number Publication date
DE2920356C2 (fr) 1987-10-15
FR2426338A1 (fr) 1979-12-14
FR2426338B1 (fr) 1983-10-21
CH634717GA3 (fr) 1983-02-28
GB2021311B (en) 1982-08-18
DE2920356A1 (de) 1979-11-22
GB2021311A (en) 1979-11-28
US4247797A (en) 1981-01-27

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