JPS533179A - At cut crystal vibrator - Google Patents

At cut crystal vibrator

Info

Publication number
JPS533179A
JPS533179A JP7760676A JP7760676A JPS533179A JP S533179 A JPS533179 A JP S533179A JP 7760676 A JP7760676 A JP 7760676A JP 7760676 A JP7760676 A JP 7760676A JP S533179 A JPS533179 A JP S533179A
Authority
JP
Japan
Prior art keywords
cut crystal
crystal vibrator
sizes
atcut
narrow
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
JP7760676A
Other languages
Japanese (ja)
Other versions
JPS5850048B2 (en
Inventor
Kunihiro Takahashi
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 JP7760676A priority Critical patent/JPS5850048B2/en
Publication of JPS533179A publication Critical patent/JPS533179A/en
Publication of JPS5850048B2 publication Critical patent/JPS5850048B2/en
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
    • H03H9/46—Filters
    • H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
    • H03H9/58—Multiple crystal filters
    • 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
    • H03H2003/0414—Resonance frequency
    • H03H2003/0471—Resonance frequency of a plurality of resonators at different frequencies

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 stably expand frequency-temperature ranges which were narrow with a single vibrator by monolithically forming and combining a plurality of rectangular form vibrators of varying width sizes or length sizes on one sheet of an ATcut crystal wafer.
JP7760676A 1976-06-30 1976-06-30 AT cut crystal oscillator Expired JPS5850048B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7760676A JPS5850048B2 (en) 1976-06-30 1976-06-30 AT cut crystal oscillator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7760676A JPS5850048B2 (en) 1976-06-30 1976-06-30 AT cut crystal oscillator

Publications (2)

Publication Number Publication Date
JPS533179A true JPS533179A (en) 1978-01-12
JPS5850048B2 JPS5850048B2 (en) 1983-11-08

Family

ID=13638578

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7760676A Expired JPS5850048B2 (en) 1976-06-30 1976-06-30 AT cut crystal oscillator

Country Status (1)

Country Link
JP (1) JPS5850048B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6113809A (en) * 1984-06-29 1986-01-22 Nippon Dempa Kogyo Co Ltd Twin type piezoelectric vibrator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6113809A (en) * 1984-06-29 1986-01-22 Nippon Dempa Kogyo Co Ltd Twin type piezoelectric vibrator

Also Published As

Publication number Publication date
JPS5850048B2 (en) 1983-11-08

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