JPS538590A - Crystal resonator - Google Patents

Crystal resonator

Info

Publication number
JPS538590A
JPS538590A JP8271676A JP8271676A JPS538590A JP S538590 A JPS538590 A JP S538590A JP 8271676 A JP8271676 A JP 8271676A JP 8271676 A JP8271676 A JP 8271676A JP S538590 A JPS538590 A JP S538590A
Authority
JP
Japan
Prior art keywords
crystal resonator
good characteristics
oscillating arm
made easily
etching work
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.)
Pending
Application number
JP8271676A
Other languages
Japanese (ja)
Inventor
Hideo Hoshi
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
Application filed by Seiko Instruments Inc filed Critical Seiko Instruments Inc
Priority to JP8271676A priority Critical patent/JPS538590A/en
Publication of JPS538590A publication Critical patent/JPS538590A/en
Pending 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

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)

Abstract

PURPOSE:To obtain a crystal resonator which can be made easily by etching work, and which makes stable oscillation and has good characteristics by removing right-left asymmetry of its oscillating arm.
JP8271676A 1976-07-12 1976-07-12 Crystal resonator Pending JPS538590A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8271676A JPS538590A (en) 1976-07-12 1976-07-12 Crystal resonator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8271676A JPS538590A (en) 1976-07-12 1976-07-12 Crystal resonator

Publications (1)

Publication Number Publication Date
JPS538590A true JPS538590A (en) 1978-01-26

Family

ID=13782124

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8271676A Pending JPS538590A (en) 1976-07-12 1976-07-12 Crystal resonator

Country Status (1)

Country Link
JP (1) JPS538590A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63275601A (en) * 1987-04-24 1988-11-14 インテラ・テクノロジーズ・インコーポレイテッド Improvement of polymer supporter characteristics and flame retardant refomed polymer therefrom
WO2002031975A1 (en) * 2000-10-10 2002-04-18 Citizen Watch Co., Ltd. Torsional vibrator

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4949591A (en) * 1972-09-16 1974-05-14

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4949591A (en) * 1972-09-16 1974-05-14

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63275601A (en) * 1987-04-24 1988-11-14 インテラ・テクノロジーズ・インコーポレイテッド Improvement of polymer supporter characteristics and flame retardant refomed polymer therefrom
WO2002031975A1 (en) * 2000-10-10 2002-04-18 Citizen Watch Co., Ltd. Torsional vibrator

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