GB1515432A - Electro-mechanical filter - Google Patents

Electro-mechanical filter

Info

Publication number
GB1515432A
GB1515432A GB8473/76A GB847376A GB1515432A GB 1515432 A GB1515432 A GB 1515432A GB 8473/76 A GB8473/76 A GB 8473/76A GB 847376 A GB847376 A GB 847376A GB 1515432 A GB1515432 A GB 1515432A
Authority
GB
United Kingdom
Prior art keywords
wafer
powder
electrodes
filter
march
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
Application number
GB8473/76A
Other languages
English (en)
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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries 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 Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1515432A publication Critical patent/GB1515432A/en
Expired 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 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
    • 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
    • H03H9/05—Holders or 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

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)
GB8473/76A 1975-03-06 1976-03-03 Electro-mechanical filter Expired GB1515432A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7502640A NL7502640A (nl) 1975-03-06 1975-03-06 Elektro-mechanisch filter.

Publications (1)

Publication Number Publication Date
GB1515432A true GB1515432A (en) 1978-06-21

Family

ID=19823316

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8473/76A Expired GB1515432A (en) 1975-03-06 1976-03-03 Electro-mechanical filter

Country Status (8)

Country Link
US (1) US4037180A (enExample)
JP (1) JPS51110948A (enExample)
AU (1) AU1160276A (enExample)
DE (1) DE2607196A1 (enExample)
ES (1) ES445760A1 (enExample)
FR (1) FR2303415A1 (enExample)
GB (1) GB1515432A (enExample)
NL (1) NL7502640A (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4090153A (en) * 1976-06-07 1978-05-16 Rca Corporation Surface acoustic wave absorber
DE2715202A1 (de) * 1977-04-05 1978-10-19 Draloric Electronic Piezoelektrisches filter und verfahren zu seiner herstellung
DE2812786A1 (de) * 1978-03-23 1979-09-27 Draloric Electronic Verfahren zum abgleich eines piezoelektrischen resonators
US4365181A (en) * 1979-07-18 1982-12-21 Murata Manufacturing Co., Ltd. Piezoelectric vibrator with damping electrodes
JP3094717B2 (ja) * 1993-02-09 2000-10-03 株式会社村田製作所 圧電共振部品
JPH08335847A (ja) * 1995-06-08 1996-12-17 Murata Mfg Co Ltd 厚みすべり振動型２重モードフィルタ
JP3416648B2 (ja) * 1997-08-23 2003-06-16 フラウンホーフアー−ゲゼルシヤフト・ツウル・フエルデルンク・デル・アンゲバンテン・フオルシユンク・エー・フアウ 音響トランスデューサー

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3487137A (en) * 1968-04-30 1969-12-30 Hewlett Packard Co Method of producing ultrasonic energy absorbing material
US3544926A (en) * 1968-10-22 1970-12-01 Damon Eng Inc Monolithic crystal filter having mass loading electrode pairs having at least one electrically nonconductive electrode

Also Published As

Publication number Publication date
JPS51110948A (enExample) 1976-09-30
NL7502640A (nl) 1976-09-08
FR2303415A1 (fr) 1976-10-01
AU1160276A (en) 1977-09-08
DE2607196A1 (de) 1976-09-16
ES445760A1 (es) 1977-06-01
FR2303415B1 (enExample) 1979-08-24
US4037180A (en) 1977-07-19

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Legal Events

Date Code Title Description
CSNS Application of which complete specification have been accepted and published, but patent is not sealed