JPS5261986A - Quartz crystal oscillator - Google Patents

Quartz crystal oscillator

Info

Publication number
JPS5261986A
JPS5261986A JP13784175A JP13784175A JPS5261986A JP S5261986 A JPS5261986 A JP S5261986A JP 13784175 A JP13784175 A JP 13784175A JP 13784175 A JP13784175 A JP 13784175A JP S5261986 A JPS5261986 A JP S5261986A
Authority
JP
Japan
Prior art keywords
quartz crystal
crystal oscillator
oscillator
arm
doubles
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.)
Granted
Application number
JP13784175A
Other languages
English (en)
Other versions
JPS5931247B2 (ja
Inventor
Masaru Yasuda
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.)
Citizen Watch Co Ltd
Original Assignee
Citizen Watch 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
Application filed by Citizen Watch Co Ltd filed Critical Citizen Watch Co Ltd
Priority to JP13784175A priority Critical patent/JPS5931247B2/ja
Publication of JPS5261986A publication Critical patent/JPS5261986A/ja
Publication of JPS5931247B2 publication Critical patent/JPS5931247B2/ja
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
    • H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
    • H03H9/21—Crystal tuning forks
    • H03H9/215—Crystal tuning forks consisting of quartz

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
JP13784175A 1975-11-18 1975-11-18 スイシヨウシンドウシ Expired JPS5931247B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13784175A JPS5931247B2 (ja) 1975-11-18 1975-11-18 スイシヨウシンドウシ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13784175A JPS5931247B2 (ja) 1975-11-18 1975-11-18 スイシヨウシンドウシ

Publications (2)

Publication Number Publication Date
JPS5261986A true JPS5261986A (en) 1977-05-21
JPS5931247B2 JPS5931247B2 (ja) 1984-08-01

Family

ID=15208061

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13784175A Expired JPS5931247B2 (ja) 1975-11-18 1975-11-18 スイシヨウシンドウシ

Country Status (1)

Country Link
JP (1) JPS5931247B2 (ja)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4379244A (en) * 1979-08-31 1983-04-05 Ebauches, S.A. Method of detection of the asymmetry of piezo-electric crystal resonators in the form of tuning forks and resonators for carrying it out
JP2008199485A (ja) * 2007-02-15 2008-08-28 Seiko Instruments Inc 音叉型水晶振動子の製造装置
JP2008199294A (ja) * 2007-02-13 2008-08-28 Seiko Instruments Inc 音叉型水晶振動子の製造装置
JP2008205523A (ja) * 2007-02-16 2008-09-04 Seiko Instruments Inc 音叉型水晶振動子の製造装置
CN101510766A (zh) * 2008-02-14 2009-08-19 精工电子有限公司 压电振动片及其制造方法、晶圆、包括压电振动片的装置
CN101510767A (zh) * 2008-02-14 2009-08-19 精工电子有限公司 晶圆及抛光装置和方法、压电振动器及制造方法和装置
JP2009194630A (ja) * 2008-02-14 2009-08-27 Seiko Instruments Inc 圧電振動片の製造方法、圧電振動片、ウエハ、圧電振動子、発振器、電子機器及び電波時計
CN101521494A (zh) * 2008-02-26 2009-09-02 精工电子有限公司 压电振动片以及制造压电振动片的方法
JP2017028599A (ja) * 2015-07-27 2017-02-02 京セラクリスタルデバイス株式会社 水晶振動素子集合ウエハ
JP2017028601A (ja) * 2015-07-27 2017-02-02 京セラクリスタルデバイス株式会社 水晶振動素子集合ウエハ

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4379244A (en) * 1979-08-31 1983-04-05 Ebauches, S.A. Method of detection of the asymmetry of piezo-electric crystal resonators in the form of tuning forks and resonators for carrying it out
JP2008199294A (ja) * 2007-02-13 2008-08-28 Seiko Instruments Inc 音叉型水晶振動子の製造装置
JP2008199485A (ja) * 2007-02-15 2008-08-28 Seiko Instruments Inc 音叉型水晶振動子の製造装置
JP2008205523A (ja) * 2007-02-16 2008-09-04 Seiko Instruments Inc 音叉型水晶振動子の製造装置
CN101510766A (zh) * 2008-02-14 2009-08-19 精工电子有限公司 压电振动片及其制造方法、晶圆、包括压电振动片的装置
CN101510767A (zh) * 2008-02-14 2009-08-19 精工电子有限公司 晶圆及抛光装置和方法、压电振动器及制造方法和装置
JP2009194630A (ja) * 2008-02-14 2009-08-27 Seiko Instruments Inc 圧電振動片の製造方法、圧電振動片、ウエハ、圧電振動子、発振器、電子機器及び電波時計
JP2009194629A (ja) * 2008-02-14 2009-08-27 Seiko Instruments Inc 圧電振動片の製造方法、圧電振動片、ウエハ、圧電振動子、発振器、電子機器及び電波時計
TWI499204B (zh) * 2008-02-14 2015-09-01 Sii Crystal Technology Inc 壓電振動件之製造方法、壓電振動件、晶圓、壓電振動器、振盪器、電子設備及無線電波時計
CN101521494A (zh) * 2008-02-26 2009-09-02 精工电子有限公司 压电振动片以及制造压电振动片的方法
JP2017028599A (ja) * 2015-07-27 2017-02-02 京セラクリスタルデバイス株式会社 水晶振動素子集合ウエハ
JP2017028601A (ja) * 2015-07-27 2017-02-02 京セラクリスタルデバイス株式会社 水晶振動素子集合ウエハ

Also Published As

Publication number Publication date
JPS5931247B2 (ja) 1984-08-01

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