JPS5291681A - Vibrator crystal plate and manufacture of it - Google Patents

Vibrator crystal plate and manufacture of it

Info

Publication number
JPS5291681A
JPS5291681A JP865976A JP865976A JPS5291681A JP S5291681 A JPS5291681 A JP S5291681A JP 865976 A JP865976 A JP 865976A JP 865976 A JP865976 A JP 865976A JP S5291681 A JPS5291681 A JP S5291681A
Authority
JP
Japan
Prior art keywords
crystal plate
manufacture
vibrator
vibrator crystal
crystal
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
JP865976A
Other languages
Japanese (ja)
Inventor
Hirofumi Kawashima
Yasunori Ebihara
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 JP865976A priority Critical patent/JPS5291681A/en
Publication of JPS5291681A publication Critical patent/JPS5291681A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H3/00Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
    • H03H3/007Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks
    • H03H3/02Apparatus 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

Landscapes

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

Abstract

PURPOSE:To make it possible to remove distortions caused in the course of manufacturing process such as lapping, etc., of crystal plate used for a vibrator by means of etching, so that a tuning fork type vibrator, the crystal of which is not broken, and which is suitable to give time standard of high accuracy can be obtained.
JP865976A 1976-01-29 1976-01-29 Vibrator crystal plate and manufacture of it Pending JPS5291681A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP865976A JPS5291681A (en) 1976-01-29 1976-01-29 Vibrator crystal plate and manufacture of it

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP865976A JPS5291681A (en) 1976-01-29 1976-01-29 Vibrator crystal plate and manufacture of it

Publications (1)

Publication Number Publication Date
JPS5291681A true JPS5291681A (en) 1977-08-02

Family

ID=11699048

Family Applications (1)

Application Number Title Priority Date Filing Date
JP865976A Pending JPS5291681A (en) 1976-01-29 1976-01-29 Vibrator crystal plate and manufacture of it

Country Status (1)

Country Link
JP (1) JPS5291681A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995011548A1 (en) * 1993-10-18 1995-04-27 Seiko Epson Corporation Rectangular at-cut quartz crystal plate, quartz crystal unit, and quartz oscillator and manufacture of quartz crystal plate
US6469423B2 (en) 1993-10-18 2002-10-22 Seiko Epson Corporation Rectangular at-cut quartz element, quartz resonator, quartz resonator unit and quartz oscillator, and method of producing quartz element

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4953392A (en) * 1972-09-26 1974-05-23

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4953392A (en) * 1972-09-26 1974-05-23

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995011548A1 (en) * 1993-10-18 1995-04-27 Seiko Epson Corporation Rectangular at-cut quartz crystal plate, quartz crystal unit, and quartz oscillator and manufacture of quartz crystal plate
US6469423B2 (en) 1993-10-18 2002-10-22 Seiko Epson Corporation Rectangular at-cut quartz element, quartz resonator, quartz resonator unit and quartz oscillator, and method of producing quartz element

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