JPS5386192A - Piezoelectric vibrator - Google Patents

Piezoelectric vibrator

Info

Publication number
JPS5386192A
JPS5386192A JP15477476A JP15477476A JPS5386192A JP S5386192 A JPS5386192 A JP S5386192A JP 15477476 A JP15477476 A JP 15477476A JP 15477476 A JP15477476 A JP 15477476A JP S5386192 A JPS5386192 A JP S5386192A
Authority
JP
Japan
Prior art keywords
case
piezoelectric vibrator
houses
adsorbed
motion
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
JP15477476A
Other languages
Japanese (ja)
Inventor
Kyoyu Sasanuma
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 JP15477476A priority Critical patent/JPS5386192A/en
Publication of JPS5386192A publication Critical patent/JPS5386192A/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
    • H03H9/02—Details
    • H03H9/05—Holders; Supports
    • H03H9/10—Mounting in enclosures
    • H03H9/1007—Mounting in enclosures for bulk acoustic wave [BAW] devices
    • H03H9/1014—Mounting in enclosures for bulk acoustic wave [BAW] devices the enclosure being defined by a frame built on a substrate and a cap, the frame having no mechanical contact with the BAW device
    • H03H9/1021—Mounting in enclosures for bulk acoustic wave [BAW] devices the enclosure being defined by a frame built on a substrate and a cap, the frame having no mechanical contact with the BAW device the BAW device being of the cantilever type

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)

Abstract

PURPOSE:To maintain a desired vacuum pressure by putting getter materials within a vacuum case which houses a vibrating piece so that the getter material surface is peeled according to the motion of the case and the gas molecules in the case are adsorbed thereby.
JP15477476A 1976-12-22 1976-12-22 Piezoelectric vibrator Pending JPS5386192A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15477476A JPS5386192A (en) 1976-12-22 1976-12-22 Piezoelectric vibrator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15477476A JPS5386192A (en) 1976-12-22 1976-12-22 Piezoelectric vibrator

Publications (1)

Publication Number Publication Date
JPS5386192A true JPS5386192A (en) 1978-07-29

Family

ID=15591591

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15477476A Pending JPS5386192A (en) 1976-12-22 1976-12-22 Piezoelectric vibrator

Country Status (1)

Country Link
JP (1) JPS5386192A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110148249A1 (en) * 2008-08-27 2011-06-23 Yumi Yamaguchi Method of manufacturing piezoelectric vibrator, piezoelectric vibrator, oscillator, electronic equipment and radio-controlled timepiece
US20110164473A1 (en) * 2008-08-27 2011-07-07 Osamu Onitsuka Piezoelectric vibrator, oscillator, electronic equipment and radio-controlled timepiece, and method of manufacturing piezoelectric vibrator

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110148249A1 (en) * 2008-08-27 2011-06-23 Yumi Yamaguchi Method of manufacturing piezoelectric vibrator, piezoelectric vibrator, oscillator, electronic equipment and radio-controlled timepiece
US20110164473A1 (en) * 2008-08-27 2011-07-07 Osamu Onitsuka Piezoelectric vibrator, oscillator, electronic equipment and radio-controlled timepiece, and method of manufacturing piezoelectric vibrator
US8400050B2 (en) * 2008-08-27 2013-03-19 Seiko Instruments Inc. Piezoelectric vibrator having a restriction portion for restricting scattering of a getter material, oscillator, electronic equipment and radio-controlled timepiece

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