CH645508GA3 - - Google Patents

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Publication number
CH645508GA3
CH645508GA3 CH804779A CH804779A CH645508GA3 CH 645508G A3 CH645508G A3 CH 645508GA3 CH 804779 A CH804779 A CH 804779A CH 804779 A CH804779 A CH 804779A CH 645508G A3 CH645508G A3 CH 645508GA3
Authority
CH
Switzerland
Prior art keywords
axis
chosen
width
length
thickness ratio
Prior art date
Application number
CH804779A
Other languages
English (en)
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
Publication of CH645508GA3 publication Critical patent/CH645508GA3/fr

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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
    • H03H9/02015—Characteristics of piezoelectric layers, e.g. cutting angles
    • H03H9/02023—Characteristics of piezoelectric layers, e.g. cutting angles 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
    • H03H9/02007—Details of bulk acoustic wave devices
    • H03H9/02157—Dimensional parameters, e.g. ratio between two dimension parameters, length, width or thickness

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
CH804779A 1978-09-06 1979-09-06 CH645508GA3 (xx)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP11016978A JPS5537052A (en) 1978-09-06 1978-09-06 At-cut crystal oscillator
JP985879A JPS55102917A (en) 1978-09-06 1979-01-30 Rectangular at-cut crystal vibtator

Publications (1)

Publication Number Publication Date
CH645508GA3 true CH645508GA3 (xx) 1984-10-15

Family

ID=26344670

Family Applications (1)

Application Number Title Priority Date Filing Date
CH804779A CH645508GA3 (xx) 1978-09-06 1979-09-06

Country Status (7)

Country Link
US (1) US4306170A (xx)
JP (2) JPS5537052A (xx)
CH (1) CH645508GA3 (xx)
DE (1) DE2934091A1 (xx)
FR (1) FR2435822A1 (xx)
GB (1) GB2032172B (xx)
NL (1) NL186054C (xx)

Families Citing this family (18)

* 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
JPS5928714A (ja) * 1982-08-09 1984-02-15 Kyocera Corp 水晶振動子
US4499395A (en) * 1983-05-26 1985-02-12 The United States Of America As Represented By The Secretary Of The Air Force Cut angles for quartz crystal resonators
JPH0520015Y2 (xx) * 1985-08-12 1993-05-26
JPH02124615A (ja) * 1988-04-06 1990-05-11 Matsushima Kogyo Co Ltd 矩形状ａｔ振動子
EP0459631B1 (en) * 1990-04-27 1998-08-12 Seiko Epson Corporation AT-cut crystal oscillating element and method of making the same
US5572082A (en) * 1994-11-14 1996-11-05 Sokol; Thomas J. Monolithic crystal strip filter
JP4223565B2 (ja) * 1997-04-14 2009-02-12 エプソントヨコム株式会社 Ａｔカット水晶振動子
JP2000269774A (ja) * 1999-03-18 2000-09-29 Murata Mfg Co Ltd 圧電振動素子及び圧電共振部品
US6658376B1 (en) 1999-06-15 2003-12-02 Seiko Epson Corporation Determination of vibration frequency characteristics of electroded crystal plate
US6654711B1 (en) 1999-06-15 2003-11-25 Seiko Epson Corporation Correction factors for the analysis of piezoelectric devices
JP4477364B2 (ja) * 2004-01-13 2010-06-09 日本電波工業株式会社 水晶振動子
US20060284628A1 (en) * 2005-06-16 2006-12-21 Jiun-Der Yu Super element for the prediction of viscosity effect on crystal plate
JP5891935B2 (ja) * 2011-07-04 2016-03-23 株式会社大真空 水晶振動板および当該水晶振動板を用いた水晶振動子
WO2015116104A1 (en) * 2014-01-30 2015-08-06 Empire Technology Development Llc Crystal oscillators and methods for fabricating the same
KR20150121585A (ko) * 2014-04-21 2015-10-29 삼성전기주식회사 수정진동자 및 그의 제조방법
RU2582476C1 (ru) * 2015-03-02 2016-04-27 Открытое акционерное общество "ЛИТ-ФОНОН" Кварцевый пьезоэлемент среза ат, изготовленный по третьей механической гармонике на частоты от 20 до 120 мгц
EP4391375A1 (en) * 2022-12-22 2024-06-26 Diodes Incorporated Quartz crystal resonator and manufacturing method thereof

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2218200A (en) * 1934-06-02 1940-10-15 Bell Telephone Labor Inc Piezoelectric apparatus
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
US3792294A (en) * 1972-10-19 1974-02-12 Bell Telephone Labor Inc Rectangular at-cut crystal plate
JPS5636814B2 (xx) * 1975-02-21 1981-08-26
JPS5626336Y2 (xx) * 1975-04-08 1981-06-23
JPS5240089A (en) * 1975-09-26 1977-03-28 Seiko Epson Corp Quartz crystal oscillator
JPS5267285A (en) * 1975-12-01 1977-06-03 Seiko Epson Corp Quartz crystal oscillator

Also Published As

Publication number Publication date
FR2435822A1 (fr) 1980-04-04
NL186054B (nl) 1990-04-02
JPS5537052A (en) 1980-03-14
GB2032172B (en) 1982-11-24
FR2435822B1 (xx) 1983-01-21
NL186054C (nl) 1990-09-03
US4306170A (en) 1981-12-15
DE2934091A1 (de) 1980-03-20
GB2032172A (en) 1980-04-30
JPS55102917A (en) 1980-08-06
NL7906016A (nl) 1980-03-10

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