NO984577L - Elektronisk komponent, stigefilter og kommunikasjonsapparat - Google Patents

Elektronisk komponent, stigefilter og kommunikasjonsapparat

Info

Publication number
NO984577L
NO984577L NO984577A NO984577A NO984577L NO 984577 L NO984577 L NO 984577L NO 984577 A NO984577 A NO 984577A NO 984577 A NO984577 A NO 984577A NO 984577 L NO984577 L NO 984577L
Authority
NO
Norway
Prior art keywords
communication device
electronic component
ladder filter
ladder
filter
Prior art date
Application number
NO984577A
Other languages
English (en)
Other versions
NO984577D0 (no
NO313358B1 (no
Inventor
Toshihiko Unami
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
Publication of NO984577D0 publication Critical patent/NO984577D0/no
Publication of NO984577L publication Critical patent/NO984577L/no
Publication of NO313358B1 publication Critical patent/NO313358B1/no

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
    • H03H9/125—Driving means, e.g. electrodes, coils
    • H03H9/13—Driving means, e.g. electrodes, coils for networks consisting of piezoelectric or electrostrictive materials
    • 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
    • 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
    • H03H9/02007—Details of bulk acoustic wave devices
    • H03H9/02086—Means for compensation or elimination of undesirable effects
    • H03H9/02118—Means for compensation or elimination of undesirable effects of lateral leakage between adjacent resonators
    • 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
    • H03H9/171—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 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
    • H03H9/177—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator of the energy-trap type

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)
  • Superheterodyne Receivers (AREA)
  • Filters And Equalizers (AREA)
NO19984577A 1997-10-01 1998-09-30 Elektronisk komponent, stigefilter og kommunikasjonsapparat NO313358B1 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP28617597 1997-10-01
JP24720698A JP3368214B2 (ja) 1997-10-01 1998-09-01 ラダーフィルタおよび通信機器

Publications (3)

Publication Number Publication Date
NO984577D0 NO984577D0 (no) 1998-09-30
NO984577L true NO984577L (no) 1999-04-06
NO313358B1 NO313358B1 (no) 2002-09-16

Family

ID=26538137

Family Applications (1)

Application Number Title Priority Date Filing Date
NO19984577A NO313358B1 (no) 1997-10-01 1998-09-30 Elektronisk komponent, stigefilter og kommunikasjonsapparat

Country Status (6)

Country Link
US (1) US6150902A (no)
EP (1) EP0907248A3 (no)
JP (1) JP3368214B2 (no)
KR (1) KR100299937B1 (no)
CN (1) CN1127209C (no)
NO (1) NO313358B1 (no)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000357938A (ja) * 1999-04-16 2000-12-26 Murata Mfg Co Ltd ラダー型フィルタおよびそれを用いた通信機
JP2001200224A (ja) 2000-01-18 2001-07-24 Murata Mfg Co Ltd 異方導電性接着剤およびそれを用いたラダーフィルタ
JP3473567B2 (ja) * 2000-10-30 2003-12-08 株式会社村田製作所 圧電共振子およびこの圧電共振子を用いたラダー型フィルタ
JP2002368577A (ja) * 2001-04-06 2002-12-20 Murata Mfg Co Ltd 二重モードフィルタ
JP2003298392A (ja) * 2002-03-29 2003-10-17 Fujitsu Media Device Kk フィルタチップ及びフィルタ装置
KR100819555B1 (ko) 2006-12-29 2008-04-08 주식회사 에스세라 압전 공진자를 가지는 압전 공진 장치의 형성방법들

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0270600U (no) * 1988-11-15 1990-05-29
JPH02224515A (ja) * 1989-02-27 1990-09-06 Tdk Corp 圧電振動子及びその製造方法
US5400001A (en) * 1992-09-21 1995-03-21 Matsushita Electric Industrial Co., Ltd. Piezoelectric resonator and piezoelectric filter
JPH088677A (ja) * 1994-06-23 1996-01-12 Matsushita Electric Ind Co Ltd 圧電部品
JP3181475B2 (ja) * 1994-08-12 2001-07-03 ティーディーケイ株式会社 弾性表面波装置
JP3331893B2 (ja) * 1996-02-22 2002-10-07 株式会社村田製作所 圧電共振子およびそれを用いたフィルタおよびａｍ受信回路
JP3271517B2 (ja) * 1996-04-05 2002-04-02 株式会社村田製作所 圧電共振子およびそれを用いた電子部品
JPH1079639A (ja) * 1996-07-10 1998-03-24 Murata Mfg Co Ltd 圧電共振子およびそれを用いた電子部品
JPH1084244A (ja) * 1996-07-18 1998-03-31 Murata Mfg Co Ltd 圧電共振子およびそれを用いた電子部品
JP3271541B2 (ja) * 1996-07-26 2002-04-02 株式会社村田製作所 圧電共振子およびそれを用いた電子部品
JP3577170B2 (ja) * 1996-08-05 2004-10-13 株式会社村田製作所 圧電共振子とその製造方法およびそれを用いた電子部品
JPH10107579A (ja) * 1996-08-06 1998-04-24 Murata Mfg Co Ltd 圧電部品
JPH10126203A (ja) * 1996-08-27 1998-05-15 Murata Mfg Co Ltd 圧電共振子およびそれを用いた電子部品
JP3267171B2 (ja) * 1996-09-12 2002-03-18 株式会社村田製作所 圧電共振子およびそれを用いた電子部品
JP3147793B2 (ja) * 1996-11-22 2001-03-19 株式会社村田製作所 ラダー型フィルタ

Also Published As

Publication number Publication date
NO984577D0 (no) 1998-09-30
KR100299937B1 (ko) 2001-09-06
JP3368214B2 (ja) 2003-01-20
JPH11168348A (ja) 1999-06-22
NO313358B1 (no) 2002-09-16
CN1127209C (zh) 2003-11-05
EP0907248A3 (en) 2002-07-24
US6150902A (en) 2000-11-21
KR19990036701A (ko) 1999-05-25
CN1213890A (zh) 1999-04-14
EP0907248A2 (en) 1999-04-07

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Legal Events

Date Code Title Description
MK1K Patent expired