DE69725372D1 - Piezoelektrischer Resonator - Google Patents

Piezoelektrischer Resonator

Info

Publication number
DE69725372D1
DE69725372D1 DE69725372T DE69725372T DE69725372D1 DE 69725372 D1 DE69725372 D1 DE 69725372D1 DE 69725372 T DE69725372 T DE 69725372T DE 69725372 T DE69725372 T DE 69725372T DE 69725372 D1 DE69725372 D1 DE 69725372D1
Authority
DE
Germany
Prior art keywords
piezoelectric resonator
resonator
piezoelectric
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.)
Expired - Lifetime
Application number
DE69725372T
Other languages
English (en)
Other versions
DE69725372T2 (de
Inventor
Toshihiko Unami
Jiro Inoue
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.)
Murata Manufacturing Co Ltd
Original Assignee
Murata Manufacturing 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
Priority claimed from JP11047596A external-priority patent/JP3271517B2/ja
Priority claimed from JP02010297A external-priority patent/JP3266031B2/ja
Application filed by Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Application granted granted Critical
Publication of DE69725372D1 publication Critical patent/DE69725372D1/de
Publication of DE69725372T2 publication Critical patent/DE69725372T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H03H9/17—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator
    • H03H9/178—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator of a laminated structure of multiple piezoelectric layers with inner electrodes
    • 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
    • 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
    • H03H9/60—Electric coupling means therefor
    • H03H9/605—Electric coupling means therefor consisting of a ladder configuration

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
DE1997625372 1996-04-05 1997-03-27 Piezoelektrischer Resonator Expired - Lifetime DE69725372T2 (de)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP11047596A JP3271517B2 (ja) 1996-04-05 1996-04-05 圧電共振子およびそれを用いた電子部品
JP11047596 1996-04-05
JP12272596 1996-04-18
JP12272596 1996-04-18
JP2010297 1997-01-16
JP02010297A JP3266031B2 (ja) 1996-04-18 1997-01-16 圧電共振子およびそれを用いた電子部品

Publications (2)

Publication Number Publication Date
DE69725372D1 true DE69725372D1 (de) 2003-11-13
DE69725372T2 DE69725372T2 (de) 2004-07-22

Family

ID=27282901

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1997625372 Expired - Lifetime DE69725372T2 (de) 1996-04-05 1997-03-27 Piezoelektrischer Resonator

Country Status (2)

Country Link
EP (1) EP0800268B1 (de)
DE (1) DE69725372T2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5939819A (en) * 1996-04-18 1999-08-17 Murata Manufacturing Co., Ltd. Electronic component and ladder filter
JPH10107579A (ja) * 1996-08-06 1998-04-24 Murata Mfg Co Ltd 圧電部品
JP3147834B2 (ja) * 1997-10-03 2001-03-19 株式会社村田製作所 圧電共振子の製造方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3378704A (en) * 1966-01-05 1968-04-16 Bourns Inc Piezoelectric multilayer device
JPS639141Y2 (de) * 1980-10-22 1988-03-18
JP2790180B2 (ja) * 1987-12-29 1998-08-27 株式会社村田製作所 電歪共振装置

Also Published As

Publication number Publication date
EP0800268B1 (de) 2003-10-08
DE69725372T2 (de) 2004-07-22
EP0800268A2 (de) 1997-10-08
EP0800268A3 (de) 1998-02-04

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition