DE69329495D1 - Piezoelektrische keramische filterschaltung und piezoelektrisches keramisches filter - Google Patents

Piezoelektrische keramische filterschaltung und piezoelektrisches keramisches filter

Info

Publication number
DE69329495D1
DE69329495D1 DE69329495T DE69329495T DE69329495D1 DE 69329495 D1 DE69329495 D1 DE 69329495D1 DE 69329495 T DE69329495 T DE 69329495T DE 69329495 T DE69329495 T DE 69329495T DE 69329495 D1 DE69329495 D1 DE 69329495D1
Authority
DE
Germany
Prior art keywords
piezoelectric ceramic
ceramic filter
filter circuit
circuit
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 - Fee Related
Application number
DE69329495T
Other languages
English (en)
Other versions
DE69329495T2 (de
Inventor
Ikuo Katoh
Tsuyoshi Momiyama
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.)
TDK Corp
Original Assignee
TDK Corp
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 TDK Corp filed Critical TDK Corp
Publication of DE69329495D1 publication Critical patent/DE69329495D1/de
Application granted granted Critical
Publication of DE69329495T2 publication Critical patent/DE69329495T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H03H9/56—Monolithic crystal filters
    • H03H9/562—Monolithic crystal filters comprising a ceramic piezoelectric layer
    • 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
    • H03H9/0538—Constructional combinations of supports or holders with electromechanical or other electronic elements
    • H03H9/0542—Constructional combinations of supports or holders with electromechanical or other electronic elements consisting of a lateral arrangement
    • 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
    • H03H2003/0421—Modification of the thickness of an element
    • H03H2003/0435—Modification of the thickness of an element of a piezoelectric layer
    • 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)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Compositions Of Oxide Ceramics (AREA)
DE69329495T 1992-07-07 1993-07-05 Piezoelektrische keramische filterschaltung und piezoelektrisches keramisches filter Expired - Fee Related DE69329495T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP4203049A JPH0629774A (ja) 1992-07-07 1992-07-07 圧電セラミックフィルタ回路及び圧電セラミックフィルタ
PCT/JP1993/000922 WO1994001931A1 (en) 1992-07-07 1993-07-05 Piezoelectric ceramic filter circuit and piezoelectric ceramic filter

Publications (2)

Publication Number Publication Date
DE69329495D1 true DE69329495D1 (de) 2000-11-02
DE69329495T2 DE69329495T2 (de) 2001-05-10

Family

ID=16467499

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69329495T Expired - Fee Related DE69329495T2 (de) 1992-07-07 1993-07-05 Piezoelektrische keramische filterschaltung und piezoelektrisches keramisches filter

Country Status (9)

Country Link
US (1) US5850166A (de)
EP (1) EP0650255B1 (de)
JP (1) JPH0629774A (de)
KR (1) KR100287361B1 (de)
CN (1) CN1034541C (de)
CA (1) CA2139763C (de)
DE (1) DE69329495T2 (de)
MY (1) MY131449A (de)
WO (1) WO1994001931A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6150703A (en) * 1998-06-29 2000-11-21 Trw Inc. Lateral mode suppression in semiconductor bulk acoustic resonator (SBAR) devices using tapered electrodes, and electrodes edge damping materials
US6437667B1 (en) * 2000-02-04 2002-08-20 Agere Systems Guardian Corp. Method of tuning thin film resonator filters by removing or adding piezoelectric material
JP2003229743A (ja) 2001-11-29 2003-08-15 Murata Mfg Co Ltd 圧電フィルタ、通信装置および圧電フィルタの製造方法
US8814996B2 (en) 2010-12-01 2014-08-26 University Of South Carolina Methods and sensors for the detection of active carbon filters degradation with EMIS-ECIS PWAS
KR102348617B1 (ko) * 2017-11-30 2022-01-06 가부시키가이샤 무라타 세이사쿠쇼 무선 통신 장치
JP7043829B2 (ja) * 2017-12-20 2022-03-30 株式会社大真空 圧電フィルタ装置
CN110890873A (zh) * 2019-11-27 2020-03-17 湖南嘉业达电子有限公司 一种压电陶瓷滤波器

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3633134A (en) * 1969-10-10 1972-01-04 Motorola Inc Crystal band pass filter circuit
FR2186175A5 (de) * 1972-05-24 1974-01-04 Thomson Csf
JPS5329265B2 (de) * 1972-09-20 1978-08-19
JPS5710092Y2 (de) * 1975-08-18 1982-02-26
JPS5842649B2 (ja) * 1975-12-01 1983-09-21 東光株式会社 アツデンロハキ
JPS548440A (en) * 1977-06-21 1979-01-22 Murata Manufacturing Co Multiple mode filter
JPS5518190A (en) * 1978-07-27 1980-02-08 Nec Corp Frequency adjustment method for high-coupled piezoelectric oscillator
JPS5624820A (en) * 1979-08-06 1981-03-10 Noto Denshi Kogyo Kk Piezoelectric unit
JPS5812810A (ja) * 1981-07-13 1983-01-25 Harufusa Matsuda 二輪車けん引装置
US4511202A (en) * 1981-12-29 1985-04-16 Fujitsu Limited Ceramic resonator and a ceramic filter using the same
US4651109A (en) * 1984-06-12 1987-03-17 Murata Manufacturing Co., Ltd. Piezoelectric resonance component having an improved group delay time characteristic
JPS6175629U (de) * 1984-10-23 1986-05-21
JPS6214511A (ja) * 1985-07-12 1987-01-23 Murata Mfg Co Ltd 圧電共振部品及びその製造方法

Also Published As

Publication number Publication date
CN1081795A (zh) 1994-02-09
US5850166A (en) 1998-12-15
CN1034541C (zh) 1997-04-09
WO1994001931A1 (en) 1994-01-20
KR100287361B1 (ko) 2001-04-16
EP0650255B1 (de) 2000-09-27
CA2139763A1 (en) 1994-01-20
EP0650255A4 (de) 1995-09-20
KR960701509A (ko) 1996-02-24
CA2139763C (en) 2000-02-22
JPH0629774A (ja) 1994-02-04
MY131449A (en) 2007-08-30
EP0650255A1 (de) 1995-04-26
DE69329495T2 (de) 2001-05-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee