ATE555544T1 - Piezoelektrischer resonator, piezoelektrischer filter und kommunikationsvorrichtung - Google Patents

Piezoelektrischer resonator, piezoelektrischer filter und kommunikationsvorrichtung

Info

Publication number
ATE555544T1
ATE555544T1 AT06022420T AT06022420T ATE555544T1 AT E555544 T1 ATE555544 T1 AT E555544T1 AT 06022420 T AT06022420 T AT 06022420T AT 06022420 T AT06022420 T AT 06022420T AT E555544 T1 ATE555544 T1 AT E555544T1
Authority
AT
Austria
Prior art keywords
piezoelectric
concavity
vibrating section
opening
communication device
Prior art date
Application number
AT06022420T
Other languages
English (en)
Inventor
Tadashi Nomura
Hajime Yamada
Ryuichi Kubo
Original Assignee
Murata Manufacturing Co
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 Murata Manufacturing Co filed Critical Murata Manufacturing Co
Application granted granted Critical
Publication of ATE555544T1 publication Critical patent/ATE555544T1/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; 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
    • H03H9/171—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator implemented with thin-film techniques, i.e. of the film bulk acoustic resonator [FBAR] type
    • H03H9/172—Means for mounting on a substrate, i.e. means constituting the material interface confining the waves to a volume
    • H03H9/173—Air-gaps
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/02007—Details of bulk acoustic wave devices
    • H03H9/02086—Means for compensation or elimination of undesirable effects
    • H03H9/02102—Means for compensation or elimination of undesirable effects of temperature influence
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/02007—Details of bulk acoustic wave devices
    • H03H9/02157—Dimensional parameters, e.g. ratio between two dimension parameters, length, width or thickness
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; 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
    • H03H9/171—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator implemented with thin-film techniques, i.e. of the film bulk acoustic resonator [FBAR] type
    • H03H9/172—Means for mounting on a substrate, i.e. means constituting the material interface confining the waves to a volume
    • H03H9/174—Membranes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
    • H03H9/56—Monolithic crystal filters
    • H03H9/564—Monolithic crystal filters implemented with thin-film techniques
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
    • H03H9/56—Monolithic crystal filters
    • H03H9/566—Electric coupling means therefor
    • H03H9/568—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)
AT06022420T 2002-09-25 2003-09-18 Piezoelektrischer resonator, piezoelektrischer filter und kommunikationsvorrichtung ATE555544T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002279428A JP3879643B2 (ja) 2002-09-25 2002-09-25 圧電共振子、圧電フィルタ、通信装置

Publications (1)

Publication Number Publication Date
ATE555544T1 true ATE555544T1 (de) 2012-05-15

Family

ID=31987094

Family Applications (2)

Application Number Title Priority Date Filing Date
AT06022420T ATE555544T1 (de) 2002-09-25 2003-09-18 Piezoelektrischer resonator, piezoelektrischer filter und kommunikationsvorrichtung
AT03021253T ATE504975T1 (de) 2002-09-25 2003-09-18 Piezoelektrischer resonator, piezoelektrischer filter und kommunikationsvorrichtung

Family Applications After (1)

Application Number Title Priority Date Filing Date
AT03021253T ATE504975T1 (de) 2002-09-25 2003-09-18 Piezoelektrischer resonator, piezoelektrischer filter und kommunikationsvorrichtung

Country Status (7)

Country Link
US (1) US7161447B2 (de)
EP (2) EP1755216B1 (de)
JP (1) JP3879643B2 (de)
KR (1) KR100550086B1 (de)
CN (1) CN1322671C (de)
AT (2) ATE555544T1 (de)
DE (1) DE60336617D1 (de)

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US7732977B2 (en) * 2008-04-30 2010-06-08 Avago Technologies Wireless Ip (Singapore) Transceiver circuit for film bulk acoustic resonator (FBAR) transducers
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KR20200046535A (ko) 2018-10-25 2020-05-07 삼성전기주식회사 탄성파 필터 장치
CN111193490B (zh) * 2018-11-14 2025-05-13 天津大学 散热结构、带散热结构的体声波谐振器、滤波器和电子设备
CN111193488B (zh) * 2018-11-14 2024-01-26 天津大学 散热结构、带散热结构的体声波谐振器、滤波器和电子设备
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Also Published As

Publication number Publication date
EP1406386B1 (de) 2011-04-06
US20040056735A1 (en) 2004-03-25
KR100550086B1 (ko) 2006-02-08
EP1755216A3 (de) 2007-02-28
EP1406386A3 (de) 2006-03-29
DE60336617D1 (de) 2011-05-19
US7161447B2 (en) 2007-01-09
EP1755216B1 (de) 2012-04-25
KR20040027353A (ko) 2004-04-01
EP1406386A2 (de) 2004-04-07
JP2004120219A (ja) 2004-04-15
CN1322671C (zh) 2007-06-20
EP1755216A2 (de) 2007-02-21
ATE504975T1 (de) 2011-04-15
JP3879643B2 (ja) 2007-02-14
CN1497842A (zh) 2004-05-19

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