JPS5368191A - Tuning fork type vibrator - Google Patents

Tuning fork type vibrator

Info

Publication number
JPS5368191A
JPS5368191A JP14426376A JP14426376A JPS5368191A JP S5368191 A JPS5368191 A JP S5368191A JP 14426376 A JP14426376 A JP 14426376A JP 14426376 A JP14426376 A JP 14426376A JP S5368191 A JPS5368191 A JP S5368191A
Authority
JP
Japan
Prior art keywords
tuning fork
fork type
type vibrator
vibrator
trimming
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
JP14426376A
Other languages
Japanese (ja)
Inventor
Takashi Kanda
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP14426376A priority Critical patent/JPS5368191A/en
Publication of JPS5368191A publication Critical patent/JPS5368191A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H3/00—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
    • H03H3/007—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks
    • H03H3/02—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks
    • H03H3/04—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks for obtaining desired frequency or temperature coefficient

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)

Abstract

PURPOSE:To facilitate adjustment to a desired frequency and achieve the improvement in the yield and productivity at the production by forming frequency adjusting weights such as of small-divided metal films, etc. at the end parts of a vibrator and trimming these portions.
JP14426376A 1976-11-30 1976-11-30 Tuning fork type vibrator Pending JPS5368191A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14426376A JPS5368191A (en) 1976-11-30 1976-11-30 Tuning fork type vibrator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14426376A JPS5368191A (en) 1976-11-30 1976-11-30 Tuning fork type vibrator

Publications (1)

Publication Number Publication Date
JPS5368191A true JPS5368191A (en) 1978-06-17

Family

ID=15358018

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14426376A Pending JPS5368191A (en) 1976-11-30 1976-11-30 Tuning fork type vibrator

Country Status (1)

Country Link
JP (1) JPS5368191A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4468582A (en) * 1982-04-20 1984-08-28 Fujitsu Limited Piezoelectric resonator chip and trimming method for adjusting the frequency thereof
EP0654843A1 (en) * 1993-11-18 1995-05-24 Murata Manufacturing Co., Ltd. Dual mode dielectric resonator and adjusting method therefor
JP2001177363A (en) * 1999-12-15 2001-06-29 Seiko Epson Corp Method of adjusting frequency of piezoelectric vibrator and piezoelectric vibrating piece and processing apparatus for frequency adjustment
US6701785B2 (en) * 2000-07-13 2004-03-09 Bei Technologies, Inc. Tuning fork with symmetrical mass balancing and reduced quadrature error
JP2008199147A (en) * 2007-02-09 2008-08-28 Epson Toyocom Corp Method for manufacturing piezoelectric vibrator and method for manufacturing piezoelectric oscillator

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4468582A (en) * 1982-04-20 1984-08-28 Fujitsu Limited Piezoelectric resonator chip and trimming method for adjusting the frequency thereof
EP0654843A1 (en) * 1993-11-18 1995-05-24 Murata Manufacturing Co., Ltd. Dual mode dielectric resonator and adjusting method therefor
JP2001177363A (en) * 1999-12-15 2001-06-29 Seiko Epson Corp Method of adjusting frequency of piezoelectric vibrator and piezoelectric vibrating piece and processing apparatus for frequency adjustment
US6701785B2 (en) * 2000-07-13 2004-03-09 Bei Technologies, Inc. Tuning fork with symmetrical mass balancing and reduced quadrature error
US7523537B1 (en) 2000-07-13 2009-04-28 Custom Sensors & Technologies, Inc. Method of manufacturing a tuning fork with reduced quadrature errror and symmetrical mass balancing
JP2008199147A (en) * 2007-02-09 2008-08-28 Epson Toyocom Corp Method for manufacturing piezoelectric vibrator and method for manufacturing piezoelectric oscillator

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