DE2951815C2 - Dickenscherungsquarzkristalloszillator - Google Patents

Dickenscherungsquarzkristalloszillator

Info

Publication number
DE2951815C2
DE2951815C2 DE2951815A DE2951815A DE2951815C2 DE 2951815 C2 DE2951815 C2 DE 2951815C2 DE 2951815 A DE2951815 A DE 2951815A DE 2951815 A DE2951815 A DE 2951815A DE 2951815 C2 DE2951815 C2 DE 2951815C2
Authority
DE
Germany
Prior art keywords
quartz crystal
axis
oscillator
thickness shear
crystal 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
DE2951815A
Other languages
German (de)
English (en)
Other versions
DE2951815A1 (de
Inventor
Satoshi Saitama Akutsu
Susumu Sayama Saitama Ebihara
Masanobu Sayama Saitama Okazaki
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.)
Nihon Dempa Kogyo Co Ltd
Original Assignee
Nihon Dempa Kogyo Co Ltd
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 JP16325078A external-priority patent/JPS5590118A/ja
Priority claimed from JP4555979A external-priority patent/JPS55137713A/ja
Application filed by Nihon Dempa Kogyo Co Ltd filed Critical Nihon Dempa Kogyo Co Ltd
Publication of DE2951815A1 publication Critical patent/DE2951815A1/de
Application granted granted Critical
Publication of DE2951815C2 publication Critical patent/DE2951815C2/de
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 elements; 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)
DE2951815A 1978-12-27 1979-12-21 Dickenscherungsquarzkristalloszillator Expired DE2951815C2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP16325078A JPS5590118A (en) 1978-12-27 1978-12-27 Thickness sliding crystal vibrator
JP4555979A JPS55137713A (en) 1979-04-14 1979-04-14 Thickness slip crystal vibrator

Publications (2)

Publication Number Publication Date
DE2951815A1 DE2951815A1 (de) 1980-07-03
DE2951815C2 true DE2951815C2 (de) 1985-07-18

Family

ID=26385574

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2951815A Expired DE2951815C2 (de) 1978-12-27 1979-12-21 Dickenscherungsquarzkristalloszillator

Country Status (4)

Country Link
US (1) US4476411A (https=)
CH (1) CH627913B (https=)
DE (1) DE2951815C2 (https=)
GB (1) GB2043996B (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4568850A (en) * 1985-02-11 1986-02-04 The United States Of America As Represented By The Secretary Of The Army Doubly rotated cylindrical crystal resonator
US4905357A (en) * 1989-07-03 1990-03-06 Motorola, Inc. Method for manufacturing resonators with beveled ends
EP0459631B1 (en) * 1990-04-27 1998-08-12 Seiko Epson Corporation AT-cut crystal oscillating element and method of making the same
JP5991566B1 (ja) * 2015-01-28 2016-09-14 株式会社村田製作所 水晶振動子及びその製造方法並びに水晶振動デバイス
CN113411068B (zh) * 2021-06-24 2025-10-21 东晶电子金华有限公司 谐振器和通讯设备

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2169301A (en) * 1937-10-15 1939-08-15 Bell Telephone Labor Inc Wave filter
US3311854A (en) * 1962-06-13 1967-03-28 Bell Telephone Labor Inc Single crystal quartz filter elements, transducers and delay lines
GB1401042A (en) * 1972-05-30 1975-07-16 Suisse Horlogerie Quartz crystal resonator
JPS5240089A (en) * 1975-09-26 1977-03-28 Seiko Epson Corp Quartz crystal oscillator
DE2552510C3 (de) * 1975-11-22 1981-02-19 Behringwerke Ag, 3550 Marburg Biologisch aktive Verbindungen und Verfahren zu ihrer Herstellung
JPS5479581A (en) * 1977-12-07 1979-06-25 Seiko Instr & Electronics Ltd Thickness-width slide crystal vibrator
JPS54132151A (en) * 1978-04-06 1979-10-13 Seiko Instr & Electronics Ltd Width sliding crystal oscillator
FR2426338A1 (fr) * 1978-05-19 1979-12-14 Seiko Instr & Electronics Resonateur a quartz rectangulaire en coupe at
JPS5537052A (en) * 1978-09-06 1980-03-14 Seiko Instr & Electronics Ltd At-cut crystal oscillator

Also Published As

Publication number Publication date
DE2951815A1 (de) 1980-07-03
GB2043996B (en) 1983-09-07
CH627913GA3 (https=) 1982-02-15
US4476411A (en) 1984-10-09
GB2043996A (en) 1980-10-08
CH627913B (de)

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Legal Events

Date Code Title Description
OAP Request for examination filed
OD Request for examination
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee